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https://gitee.com/muyuchl/nrf51_2in13_epd.git
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copy project from century 2in6 esl project
This commit is contained in:
muyuchl
169
external/freertos/portable/ARM/nrf51/port.c
vendored
Normal file
169
external/freertos/portable/ARM/nrf51/port.c
vendored
Normal file
@@ -0,0 +1,169 @@
|
||||
/*
|
||||
FreeRTOS V8.2.1 - Copyright (C) 2015 Real Time Engineers Ltd.
|
||||
All rights reserved
|
||||
|
||||
VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
|
||||
|
||||
This file is part of the FreeRTOS distribution.
|
||||
|
||||
FreeRTOS is free software; you can redistribute it and/or modify it under
|
||||
the terms of the GNU General Public License (version 2) as published by the
|
||||
Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.
|
||||
|
||||
***************************************************************************
|
||||
>>! NOTE: The modification to the GPL is included to allow you to !<<
|
||||
>>! distribute a combined work that includes FreeRTOS without being !<<
|
||||
>>! obliged to provide the source code for proprietary components !<<
|
||||
>>! outside of the FreeRTOS kernel. !<<
|
||||
***************************************************************************
|
||||
|
||||
FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
|
||||
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
|
||||
FOR A PARTICULAR PURPOSE. Full license text is available on the following
|
||||
link: http://www.freertos.org/a00114.html
|
||||
|
||||
***************************************************************************
|
||||
* *
|
||||
* FreeRTOS provides completely free yet professionally developed, *
|
||||
* robust, strictly quality controlled, supported, and cross *
|
||||
* platform software that is more than just the market leader, it *
|
||||
* is the industry's de facto standard. *
|
||||
* *
|
||||
* Help yourself get started quickly while simultaneously helping *
|
||||
* to support the FreeRTOS project by purchasing a FreeRTOS *
|
||||
* tutorial book, reference manual, or both: *
|
||||
* http://www.FreeRTOS.org/Documentation *
|
||||
* *
|
||||
***************************************************************************
|
||||
|
||||
http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading
|
||||
the FAQ page "My application does not run, what could be wrong?". Have you
|
||||
defined configASSERT()?
|
||||
|
||||
http://www.FreeRTOS.org/support - In return for receiving this top quality
|
||||
embedded software for free we request you assist our global community by
|
||||
participating in the support forum.
|
||||
|
||||
http://www.FreeRTOS.org/training - Investing in training allows your team to
|
||||
be as productive as possible as early as possible. Now you can receive
|
||||
FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers
|
||||
Ltd, and the world's leading authority on the world's leading RTOS.
|
||||
|
||||
http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
|
||||
including FreeRTOS+Trace - an indispensable productivity tool, a DOS
|
||||
compatible FAT file system, and our tiny thread aware UDP/IP stack.
|
||||
|
||||
http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.
|
||||
Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.
|
||||
|
||||
http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High
|
||||
Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS
|
||||
licenses offer ticketed support, indemnification and commercial middleware.
|
||||
|
||||
http://www.SafeRTOS.com - High Integrity Systems also provide a safety
|
||||
engineered and independently SIL3 certified version for use in safety and
|
||||
mission critical applications that require provable dependability.
|
||||
|
||||
1 tab == 4 spaces!
|
||||
*/
|
||||
|
||||
/*-----------------------------------------------------------
|
||||
* Implementation of functions defined in portable.h for the ARM CM4F port.
|
||||
*----------------------------------------------------------*/
|
||||
|
||||
/* Scheduler includes. */
|
||||
#include "FreeRTOS.h"
|
||||
#include "task.h"
|
||||
|
||||
/*
|
||||
* Start first task is a separate function so it can be tested in isolation.
|
||||
*/
|
||||
void vPortStartFirstTask( void );
|
||||
|
||||
/*
|
||||
* Exception handlers.
|
||||
*/
|
||||
void xPortPendSVHandler( void );
|
||||
void vPortSVCHandler( void );
|
||||
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
__asm void vPortSVCHandler( void )
|
||||
{
|
||||
/* This function is no longer used, but retained for backward
|
||||
compatibility. */
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
__asm void vPortStartFirstTask( void )
|
||||
{
|
||||
PRESERVE8
|
||||
EXTERN __Vectors
|
||||
|
||||
/* Use the NVIC offset register to locate the stack. */
|
||||
ldr r0, =__Vectors
|
||||
ldr r0, [r0]
|
||||
/* Set the msp back to the start of the stack. */
|
||||
msr msp, r0
|
||||
|
||||
ldr r3, =pxCurrentTCB /* Obtain location of pxCurrentTCB. */
|
||||
ldr r1, [r3]
|
||||
ldr r0, [r1] /* The first item in pxCurrentTCB is the task top of stack. */
|
||||
adds r0, #32 /* Discard everything up to r0. */
|
||||
msr psp, r0 /* This is now the new top of stack to use in the task. */
|
||||
movs r0, #2 /* Switch to the psp stack. */
|
||||
msr CONTROL, r0
|
||||
pop {r0-r5} /* Pop the registers that are saved automatically. */
|
||||
mov lr, r5 /* lr is now in r5. */
|
||||
cpsie i /* The first task has its context and interrupts can be enabled. */
|
||||
pop {pc} /* Finally, pop the PC to jump to the user defined task code. */
|
||||
|
||||
ALIGN
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
__asm void xPortPendSVHandler( void )
|
||||
{
|
||||
extern vPortSafeTaskSwitchContext
|
||||
extern pxCurrentTCB
|
||||
|
||||
PRESERVE8
|
||||
|
||||
mrs r0, psp
|
||||
|
||||
ldr r3, =pxCurrentTCB /* Get the location of the current TCB. */
|
||||
ldr r2, [r3]
|
||||
|
||||
subs r0, #32 /* Make space for the remaining low registers. */
|
||||
str r0, [r2] /* Save the new top of stack. */
|
||||
stmia r0!, {r4-r7} /* Store the low registers that are not saved automatically. */
|
||||
mov r4, r8 /* Store the high registers. */
|
||||
mov r5, r9
|
||||
mov r6, r10
|
||||
mov r7, r11
|
||||
stmia r0!, {r4-r7}
|
||||
|
||||
push {r3, r14}
|
||||
bl vPortSafeTaskSwitchContext
|
||||
pop {r2, r3} /* lr goes in r3. r2 now holds tcb pointer. */
|
||||
|
||||
ldr r1, [r2]
|
||||
ldr r0, [r1] /* The first item in pxCurrentTCB is the task top of stack. */
|
||||
adds r0, #16 /* Move to the high registers. */
|
||||
ldmia r0!, {r4-r7} /* Pop the high registers. */
|
||||
mov r8, r4
|
||||
mov r9, r5
|
||||
mov r10, r6
|
||||
mov r11, r7
|
||||
|
||||
msr psp, r0 /* Remember the new top of stack for the task. */
|
||||
|
||||
subs r0, #32 /* Go back for the low registers that are not automatically restored. */
|
||||
ldmia r0!, {r4-r7} /* Pop low registers. */
|
||||
|
||||
bx r3
|
||||
ALIGN
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
75
external/freertos/portable/ARM/nrf51/portmacro.h
vendored
Normal file
75
external/freertos/portable/ARM/nrf51/portmacro.h
vendored
Normal file
@@ -0,0 +1,75 @@
|
||||
/*
|
||||
FreeRTOS V8.2.1 - Copyright (C) 2015 Real Time Engineers Ltd.
|
||||
All rights reserved
|
||||
|
||||
VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
|
||||
|
||||
This file is part of the FreeRTOS distribution.
|
||||
|
||||
FreeRTOS is free software; you can redistribute it and/or modify it under
|
||||
the terms of the GNU General Public License (version 2) as published by the
|
||||
Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.
|
||||
|
||||
***************************************************************************
|
||||
>>! NOTE: The modification to the GPL is included to allow you to !<<
|
||||
>>! distribute a combined work that includes FreeRTOS without being !<<
|
||||
>>! obliged to provide the source code for proprietary components !<<
|
||||
>>! outside of the FreeRTOS kernel. !<<
|
||||
***************************************************************************
|
||||
|
||||
FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
|
||||
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
|
||||
FOR A PARTICULAR PURPOSE. Full license text is available on the following
|
||||
link: http://www.freertos.org/a00114.html
|
||||
|
||||
***************************************************************************
|
||||
* *
|
||||
* FreeRTOS provides completely free yet professionally developed, *
|
||||
* robust, strictly quality controlled, supported, and cross *
|
||||
* platform software that is more than just the market leader, it *
|
||||
* is the industry's de facto standard. *
|
||||
* *
|
||||
* Help yourself get started quickly while simultaneously helping *
|
||||
* to support the FreeRTOS project by purchasing a FreeRTOS *
|
||||
* tutorial book, reference manual, or both: *
|
||||
* http://www.FreeRTOS.org/Documentation *
|
||||
* *
|
||||
***************************************************************************
|
||||
|
||||
http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading
|
||||
the FAQ page "My application does not run, what could be wrong?". Have you
|
||||
defined configASSERT()?
|
||||
|
||||
http://www.FreeRTOS.org/support - In return for receiving this top quality
|
||||
embedded software for free we request you assist our global community by
|
||||
participating in the support forum.
|
||||
|
||||
http://www.FreeRTOS.org/training - Investing in training allows your team to
|
||||
be as productive as possible as early as possible. Now you can receive
|
||||
FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers
|
||||
Ltd, and the world's leading authority on the world's leading RTOS.
|
||||
|
||||
http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
|
||||
including FreeRTOS+Trace - an indispensable productivity tool, a DOS
|
||||
compatible FAT file system, and our tiny thread aware UDP/IP stack.
|
||||
|
||||
http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.
|
||||
Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.
|
||||
|
||||
http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High
|
||||
Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS
|
||||
licenses offer ticketed support, indemnification and commercial middleware.
|
||||
|
||||
http://www.SafeRTOS.com - High Integrity Systems also provide a safety
|
||||
engineered and independently SIL3 certified version for use in safety and
|
||||
mission critical applications that require provable dependability.
|
||||
|
||||
1 tab == 4 spaces!
|
||||
*/
|
||||
|
||||
#ifndef PORTMACRO_H
|
||||
#define PORTMACRO_H
|
||||
|
||||
#include "portmacro_cmsis.h"
|
||||
|
||||
#endif /* PORTMACRO_H */
|
||||
194
external/freertos/portable/ARM/nrf52/port.c
vendored
Normal file
194
external/freertos/portable/ARM/nrf52/port.c
vendored
Normal file
@@ -0,0 +1,194 @@
|
||||
/*
|
||||
FreeRTOS V8.2.1 - Copyright (C) 2015 Real Time Engineers Ltd.
|
||||
All rights reserved
|
||||
|
||||
VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
|
||||
|
||||
This file is part of the FreeRTOS distribution.
|
||||
|
||||
FreeRTOS is free software; you can redistribute it and/or modify it under
|
||||
the terms of the GNU General Public License (version 2) as published by the
|
||||
Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.
|
||||
|
||||
***************************************************************************
|
||||
>>! NOTE: The modification to the GPL is included to allow you to !<<
|
||||
>>! distribute a combined work that includes FreeRTOS without being !<<
|
||||
>>! obliged to provide the source code for proprietary components !<<
|
||||
>>! outside of the FreeRTOS kernel. !<<
|
||||
***************************************************************************
|
||||
|
||||
FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
|
||||
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
|
||||
FOR A PARTICULAR PURPOSE. Full license text is available on the following
|
||||
link: http://www.freertos.org/a00114.html
|
||||
|
||||
***************************************************************************
|
||||
* *
|
||||
* FreeRTOS provides completely free yet professionally developed, *
|
||||
* robust, strictly quality controlled, supported, and cross *
|
||||
* platform software that is more than just the market leader, it *
|
||||
* is the industry's de facto standard. *
|
||||
* *
|
||||
* Help yourself get started quickly while simultaneously helping *
|
||||
* to support the FreeRTOS project by purchasing a FreeRTOS *
|
||||
* tutorial book, reference manual, or both: *
|
||||
* http://www.FreeRTOS.org/Documentation *
|
||||
* *
|
||||
***************************************************************************
|
||||
|
||||
http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading
|
||||
the FAQ page "My application does not run, what could be wrong?". Have you
|
||||
defined configASSERT()?
|
||||
|
||||
http://www.FreeRTOS.org/support - In return for receiving this top quality
|
||||
embedded software for free we request you assist our global community by
|
||||
participating in the support forum.
|
||||
|
||||
http://www.FreeRTOS.org/training - Investing in training allows your team to
|
||||
be as productive as possible as early as possible. Now you can receive
|
||||
FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers
|
||||
Ltd, and the world's leading authority on the world's leading RTOS.
|
||||
|
||||
http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
|
||||
including FreeRTOS+Trace - an indispensable productivity tool, a DOS
|
||||
compatible FAT file system, and our tiny thread aware UDP/IP stack.
|
||||
|
||||
http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.
|
||||
Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.
|
||||
|
||||
http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High
|
||||
Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS
|
||||
licenses offer ticketed support, indemnification and commercial middleware.
|
||||
|
||||
http://www.SafeRTOS.com - High Integrity Systems also provide a safety
|
||||
engineered and independently SIL3 certified version for use in safety and
|
||||
mission critical applications that require provable dependability.
|
||||
|
||||
1 tab == 4 spaces!
|
||||
*/
|
||||
|
||||
/*-----------------------------------------------------------
|
||||
* Implementation of functions defined in portable.h for the ARM CM4F port.
|
||||
*----------------------------------------------------------*/
|
||||
|
||||
/* Scheduler includes. */
|
||||
#include "FreeRTOS.h"
|
||||
#include "task.h"
|
||||
|
||||
|
||||
/*
|
||||
* Start first task is a separate function so it can be tested in isolation.
|
||||
*/
|
||||
void vPortStartFirstTask( void );
|
||||
|
||||
/*
|
||||
* Exception handlers.
|
||||
*/
|
||||
void xPortPendSVHandler( void );
|
||||
void vPortSVCHandler( void );
|
||||
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
__asm void vPortSVCHandler( void )
|
||||
{
|
||||
PRESERVE8
|
||||
|
||||
/* Get the location of the current TCB. */
|
||||
ldr r3, =pxCurrentTCB
|
||||
ldr r1, [r3]
|
||||
ldr r0, [r1]
|
||||
/* Pop the core registers. */
|
||||
ldmia r0!, {r4-r11, r14}
|
||||
msr psp, r0
|
||||
isb
|
||||
mov r0, #0
|
||||
msr basepri, r0
|
||||
bx r14
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
__asm void vPortStartFirstTask( void )
|
||||
{
|
||||
PRESERVE8
|
||||
EXTERN __Vectors
|
||||
|
||||
/* Use the NVIC offset register to locate the stack. */
|
||||
ldr r0, =__Vectors
|
||||
ldr r0, [r0]
|
||||
/* Set the msp back to the start of the stack. */
|
||||
msr msp, r0
|
||||
/* Globally enable interrupts. */
|
||||
cpsie i
|
||||
cpsie f
|
||||
dsb
|
||||
isb
|
||||
#ifdef SOFTDEVICE_PRESENT
|
||||
/* Block kernel interrupts only (PendSV) before calling SVC */
|
||||
mov r0, #(configKERNEL_INTERRUPT_PRIORITY << (8 - configPRIO_BITS))
|
||||
msr basepri, r0
|
||||
#endif
|
||||
/* Call SVC to start the first task. */
|
||||
svc 0
|
||||
|
||||
ALIGN
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
__asm void xPortPendSVHandler( void )
|
||||
{
|
||||
extern uxCriticalNesting;
|
||||
extern pxCurrentTCB;
|
||||
extern vTaskSwitchContext;
|
||||
|
||||
PRESERVE8
|
||||
|
||||
mrs r0, psp
|
||||
isb
|
||||
/* Get the location of the current TCB. */
|
||||
ldr r3, =pxCurrentTCB
|
||||
ldr r2, [r3]
|
||||
|
||||
/* Is the task using the FPU context? If so, push high vfp registers. */
|
||||
tst r14, #0x10
|
||||
it eq
|
||||
vstmdbeq r0!, {s16-s31}
|
||||
|
||||
/* Save the core registers. */
|
||||
stmdb r0!, {r4-r11, r14}
|
||||
|
||||
/* Save the new top of stack into the first member of the TCB. */
|
||||
str r0, [r2]
|
||||
|
||||
stmdb sp!, {r3}
|
||||
mov r0, #(configMAX_SYSCALL_INTERRUPT_PRIORITY << (8 - configPRIO_BITS))
|
||||
msr basepri, r0
|
||||
dsb
|
||||
isb
|
||||
bl vTaskSwitchContext
|
||||
mov r0, #0
|
||||
msr basepri, r0
|
||||
ldmia sp!, {r3}
|
||||
|
||||
/* The first item in pxCurrentTCB is the task top of stack. */
|
||||
ldr r1, [r3]
|
||||
ldr r0, [r1]
|
||||
|
||||
/* Pop the core registers. */
|
||||
ldmia r0!, {r4-r11, r14}
|
||||
|
||||
/* Is the task using the FPU context? If so, pop the high vfp registers
|
||||
too. */
|
||||
tst r14, #0x10
|
||||
it eq
|
||||
vldmiaeq r0!, {s16-s31}
|
||||
|
||||
msr psp, r0
|
||||
isb
|
||||
|
||||
bx r14
|
||||
|
||||
ALIGN
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
75
external/freertos/portable/ARM/nrf52/portmacro.h
vendored
Normal file
75
external/freertos/portable/ARM/nrf52/portmacro.h
vendored
Normal file
@@ -0,0 +1,75 @@
|
||||
/*
|
||||
FreeRTOS V8.2.1 - Copyright (C) 2015 Real Time Engineers Ltd.
|
||||
All rights reserved
|
||||
|
||||
VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
|
||||
|
||||
This file is part of the FreeRTOS distribution.
|
||||
|
||||
FreeRTOS is free software; you can redistribute it and/or modify it under
|
||||
the terms of the GNU General Public License (version 2) as published by the
|
||||
Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.
|
||||
|
||||
***************************************************************************
|
||||
>>! NOTE: The modification to the GPL is included to allow you to !<<
|
||||
>>! distribute a combined work that includes FreeRTOS without being !<<
|
||||
>>! obliged to provide the source code for proprietary components !<<
|
||||
>>! outside of the FreeRTOS kernel. !<<
|
||||
***************************************************************************
|
||||
|
||||
FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
|
||||
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
|
||||
FOR A PARTICULAR PURPOSE. Full license text is available on the following
|
||||
link: http://www.freertos.org/a00114.html
|
||||
|
||||
***************************************************************************
|
||||
* *
|
||||
* FreeRTOS provides completely free yet professionally developed, *
|
||||
* robust, strictly quality controlled, supported, and cross *
|
||||
* platform software that is more than just the market leader, it *
|
||||
* is the industry's de facto standard. *
|
||||
* *
|
||||
* Help yourself get started quickly while simultaneously helping *
|
||||
* to support the FreeRTOS project by purchasing a FreeRTOS *
|
||||
* tutorial book, reference manual, or both: *
|
||||
* http://www.FreeRTOS.org/Documentation *
|
||||
* *
|
||||
***************************************************************************
|
||||
|
||||
http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading
|
||||
the FAQ page "My application does not run, what could be wrong?". Have you
|
||||
defined configASSERT()?
|
||||
|
||||
http://www.FreeRTOS.org/support - In return for receiving this top quality
|
||||
embedded software for free we request you assist our global community by
|
||||
participating in the support forum.
|
||||
|
||||
http://www.FreeRTOS.org/training - Investing in training allows your team to
|
||||
be as productive as possible as early as possible. Now you can receive
|
||||
FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers
|
||||
Ltd, and the world's leading authority on the world's leading RTOS.
|
||||
|
||||
http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
|
||||
including FreeRTOS+Trace - an indispensable productivity tool, a DOS
|
||||
compatible FAT file system, and our tiny thread aware UDP/IP stack.
|
||||
|
||||
http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.
|
||||
Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.
|
||||
|
||||
http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High
|
||||
Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS
|
||||
licenses offer ticketed support, indemnification and commercial middleware.
|
||||
|
||||
http://www.SafeRTOS.com - High Integrity Systems also provide a safety
|
||||
engineered and independently SIL3 certified version for use in safety and
|
||||
mission critical applications that require provable dependability.
|
||||
|
||||
1 tab == 4 spaces!
|
||||
*/
|
||||
|
||||
#ifndef PORTMACRO_H
|
||||
#define PORTMACRO_H
|
||||
|
||||
#include "portmacro_cmsis.h"
|
||||
|
||||
#endif /* PORTMACRO_H */
|
||||
284
external/freertos/portable/CMSIS/nrf51/port_cmsis.c
vendored
Normal file
284
external/freertos/portable/CMSIS/nrf51/port_cmsis.c
vendored
Normal file
@@ -0,0 +1,284 @@
|
||||
/*
|
||||
FreeRTOS V8.2.1 - Copyright (C) 2015 Real Time Engineers Ltd.
|
||||
All rights reserved
|
||||
|
||||
VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
|
||||
|
||||
This file is part of the FreeRTOS distribution.
|
||||
|
||||
FreeRTOS is free software; you can redistribute it and/or modify it under
|
||||
the terms of the GNU General Public License (version 2) as published by the
|
||||
Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.
|
||||
|
||||
***************************************************************************
|
||||
>>! NOTE: The modification to the GPL is included to allow you to !<<
|
||||
>>! distribute a combined work that includes FreeRTOS without being !<<
|
||||
>>! obliged to provide the source code for proprietary components !<<
|
||||
>>! outside of the FreeRTOS kernel. !<<
|
||||
***************************************************************************
|
||||
|
||||
FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
|
||||
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
|
||||
FOR A PARTICULAR PURPOSE. Full license text is available on the following
|
||||
link: http://www.freertos.org/a00114.html
|
||||
|
||||
***************************************************************************
|
||||
* *
|
||||
* FreeRTOS provides completely free yet professionally developed, *
|
||||
* robust, strictly quality controlled, supported, and cross *
|
||||
* platform software that is more than just the market leader, it *
|
||||
* is the industry's de facto standard. *
|
||||
* *
|
||||
* Help yourself get started quickly while simultaneously helping *
|
||||
* to support the FreeRTOS project by purchasing a FreeRTOS *
|
||||
* tutorial book, reference manual, or both: *
|
||||
* http://www.FreeRTOS.org/Documentation *
|
||||
* *
|
||||
***************************************************************************
|
||||
|
||||
http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading
|
||||
the FAQ page "My application does not run, what could be wrong?". Have you
|
||||
defined configASSERT()?
|
||||
|
||||
http://www.FreeRTOS.org/support - In return for receiving this top quality
|
||||
embedded software for free we request you assist our global community by
|
||||
participating in the support forum.
|
||||
|
||||
http://www.FreeRTOS.org/training - Investing in training allows your team to
|
||||
be as productive as possible as early as possible. Now you can receive
|
||||
FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers
|
||||
Ltd, and the world's leading authority on the world's leading RTOS.
|
||||
|
||||
http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
|
||||
including FreeRTOS+Trace - an indispensable productivity tool, a DOS
|
||||
compatible FAT file system, and our tiny thread aware UDP/IP stack.
|
||||
|
||||
http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.
|
||||
Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.
|
||||
|
||||
http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High
|
||||
Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS
|
||||
licenses offer ticketed support, indemnification and commercial middleware.
|
||||
|
||||
http://www.SafeRTOS.com - High Integrity Systems also provide a safety
|
||||
engineered and independently SIL3 certified version for use in safety and
|
||||
mission critical applications that require provable dependability.
|
||||
|
||||
1 tab == 4 spaces!
|
||||
*/
|
||||
|
||||
/*-----------------------------------------------------------
|
||||
* Implementation of functions defined in portable.h for the ARM CM4F port.
|
||||
*----------------------------------------------------------*/
|
||||
|
||||
/* Scheduler includes. */
|
||||
#include "FreeRTOS.h"
|
||||
#include "task.h"
|
||||
#ifdef SOFTDEVICE_PRESENT
|
||||
#include "nrf_soc.h"
|
||||
#endif
|
||||
|
||||
/* Make sure that all elements in isr state fits in uint32_t element*/
|
||||
#include "portmacro_cmsis.h"
|
||||
STATIC_ASSERT(sizeof(portISRState_t) == sizeof(uint32_t));
|
||||
|
||||
/* Constants used for assertion check of the selected CPU */
|
||||
#define portCORTEX_M0_r0p0_ID ( 0x410CC200UL )
|
||||
|
||||
/* Constants required to check the validity of an interrupt priority. */
|
||||
#define portFIRST_USER_INTERRUPT_NUMBER ( 16 )
|
||||
#define portMAX_8_BIT_VALUE ( ( uint8_t ) 0xff )
|
||||
#define portTOP_BIT_OF_BYTE ( ( uint8_t ) 0x80 )
|
||||
|
||||
/* Constants required to set up the initial stack. */
|
||||
#define portINITIAL_XPSR (((xPSR_Type){.b.T = 1}).w)
|
||||
#define portINITIAL_EXEC_RETURN ( 0xfffffffd )
|
||||
|
||||
/* Let the user override the pre-loading of the initial LR with the address of
|
||||
prvTaskExitError() in case is messes up unwinding of the stack in the
|
||||
debugger. */
|
||||
#ifdef configTASK_RETURN_ADDRESS
|
||||
#define portTASK_RETURN_ADDRESS configTASK_RETURN_ADDRESS
|
||||
#else
|
||||
#define portTASK_RETURN_ADDRESS prvTaskExitError
|
||||
#endif
|
||||
|
||||
/* Each task maintains its own interrupt status in the critical nesting
|
||||
variable. */
|
||||
static UBaseType_t uxCriticalNesting = 0;
|
||||
|
||||
#ifdef SOFTDEVICE_PRESENT
|
||||
/* Flag that is set when yielding should be done after critical section exiting */
|
||||
static UBaseType_t uxYieldFlag = 0;
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Setup the timer to generate the tick interrupts. The implementation in this
|
||||
* file is weak to allow application writers to change the timer used to
|
||||
* generate the tick interrupt.
|
||||
*/
|
||||
extern void vPortSetupTimerInterrupt( void );
|
||||
|
||||
/*
|
||||
* Exception handlers.
|
||||
*/
|
||||
void xPortSysTickHandler( void );
|
||||
|
||||
/*
|
||||
* Start first task is a separate function so it can be tested in isolation.
|
||||
*/
|
||||
extern void vPortStartFirstTask( void );
|
||||
|
||||
/*
|
||||
* Used to catch tasks that attempt to return from their implementing function.
|
||||
*/
|
||||
static void prvTaskExitError( void );
|
||||
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/*
|
||||
* See header file for description.
|
||||
*/
|
||||
StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, TaskFunction_t pxCode, void *pvParameters )
|
||||
{
|
||||
/* Simulate the stack frame as it would be created by a context switch
|
||||
interrupt. */
|
||||
|
||||
/* Offset added to account for the way the MCU uses the stack on entry/exit
|
||||
of interrupts, and to ensure alignment. */
|
||||
pxTopOfStack--;
|
||||
|
||||
*pxTopOfStack = portINITIAL_XPSR; /* xPSR */
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = ( StackType_t ) pxCode; /* PC */
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = ( StackType_t ) portTASK_RETURN_ADDRESS; /* LR */
|
||||
|
||||
/* Save code space by skipping register initialisation. */
|
||||
pxTopOfStack -= 5; /* R12, R3, R2 and R1. */
|
||||
*pxTopOfStack = ( StackType_t ) pvParameters; /* R0 */
|
||||
|
||||
pxTopOfStack -= 8; /* R11, R10, R9, R8, R7, R6, R5 and R4. */
|
||||
|
||||
return pxTopOfStack;
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
static void prvTaskExitError( void )
|
||||
{
|
||||
/* A function that implements a task must not exit or attempt to return to
|
||||
its caller as there is nothing to return to. If a task wants to exit it
|
||||
should instead call vTaskDelete( NULL ).
|
||||
|
||||
Artificially force an assert() to be triggered if configASSERT() is
|
||||
defined, then stop here so application writers can catch the error. */
|
||||
configASSERT( uxCriticalNesting == ~0UL );
|
||||
portDISABLE_INTERRUPTS();
|
||||
for ( ;; );
|
||||
}
|
||||
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/*
|
||||
* See header file for description.
|
||||
*/
|
||||
BaseType_t xPortStartScheduler( void )
|
||||
{
|
||||
/* This port can be used only on Cortex-M0 processor */
|
||||
configASSERT( SCB->CPUID == portCORTEX_M0_r0p0_ID );
|
||||
|
||||
/* Make PendSV the lowest priority interrupts. */
|
||||
NVIC_SetPriority(PendSV_IRQn, configKERNEL_INTERRUPT_PRIORITY);
|
||||
|
||||
/* Start the timer that generates the tick ISR. Interrupts are disabled
|
||||
here already. */
|
||||
vPortSetupTimerInterrupt();
|
||||
|
||||
/* Initialise the critical nesting count ready for the first task. */
|
||||
uxCriticalNesting = 0;
|
||||
|
||||
/* Finally this port requires SEVONPEND to be active */
|
||||
SCB->SCR |= SCB_SCR_SEVONPEND_Msk;
|
||||
|
||||
/* Start the first task. */
|
||||
vPortStartFirstTask();
|
||||
|
||||
/* Should never get here as the tasks will now be executing! Call the task
|
||||
exit error function to prevent compiler warnings about a static function
|
||||
not being called in the case that the application writer overrides this
|
||||
functionality by defining configTASK_RETURN_ADDRESS. */
|
||||
prvTaskExitError();
|
||||
|
||||
/* Should not get here! */
|
||||
return 0;
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
void vPortEndScheduler( void )
|
||||
{
|
||||
/* Not implemented in ports where there is nothing to return to.
|
||||
Artificially force an assert. */
|
||||
configASSERT( uxCriticalNesting == 1000UL );
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
void vPortTaskYield( void )
|
||||
{
|
||||
#ifdef SOFTDEVICE_PRESENT
|
||||
if (uxCriticalNesting > 0)
|
||||
{
|
||||
uxYieldFlag = 1;
|
||||
}
|
||||
else
|
||||
{
|
||||
portPendSVSchedule();
|
||||
}
|
||||
#else
|
||||
portPendSVSchedule();
|
||||
#endif
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
void vPortEnterCritical( void )
|
||||
{
|
||||
portDISABLE_INTERRUPTS();
|
||||
uxCriticalNesting++;
|
||||
|
||||
/* This is not the interrupt safe version of the enter critical function so
|
||||
assert() if it is being called from an interrupt context. Only API
|
||||
functions that end in "FromISR" can be used in an interrupt. Only assert if
|
||||
the critical nesting count is 1 to protect against recursive calls if the
|
||||
assert function also uses a critical section. */
|
||||
if ( uxCriticalNesting == 1 )
|
||||
{
|
||||
configASSERT( ( SCB->ICSR & SCB_ICSR_VECTACTIVE_Msk ) == 0 );
|
||||
}
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
void vPortExitCritical( void )
|
||||
{
|
||||
configASSERT( uxCriticalNesting );
|
||||
uxCriticalNesting--;
|
||||
if ( uxCriticalNesting == 0 )
|
||||
{
|
||||
portENABLE_INTERRUPTS();
|
||||
#ifdef SOFTDEVICE_PRESENT
|
||||
if (uxYieldFlag)
|
||||
{
|
||||
uxYieldFlag = 0;
|
||||
portPendSVSchedule();
|
||||
}
|
||||
#endif
|
||||
}
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
void vPortSafeTaskSwitchContext( void )
|
||||
{
|
||||
uint32_t isrstate = portSET_INTERRUPT_MASK_FROM_ISR();
|
||||
vTaskSwitchContext();
|
||||
portCLEAR_INTERRUPT_MASK_FROM_ISR(isrstate);
|
||||
}
|
||||
223
external/freertos/portable/CMSIS/nrf51/port_cmsis_systick.c
vendored
Normal file
223
external/freertos/portable/CMSIS/nrf51/port_cmsis_systick.c
vendored
Normal file
@@ -0,0 +1,223 @@
|
||||
/*
|
||||
FreeRTOS V8.2.1 - Copyright (C) 2015 Real Time Engineers Ltd.
|
||||
All rights reserved
|
||||
|
||||
VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
|
||||
|
||||
This file is part of the FreeRTOS distribution.
|
||||
|
||||
FreeRTOS is free software; you can redistribute it and/or modify it under
|
||||
the terms of the GNU General Public License (version 2) as published by the
|
||||
Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.
|
||||
|
||||
***************************************************************************
|
||||
>>! NOTE: The modification to the GPL is included to allow you to !<<
|
||||
>>! distribute a combined work that includes FreeRTOS without being !<<
|
||||
>>! obliged to provide the source code for proprietary components !<<
|
||||
>>! outside of the FreeRTOS kernel. !<<
|
||||
***************************************************************************
|
||||
|
||||
FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
|
||||
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
|
||||
FOR A PARTICULAR PURPOSE. Full license text is available on the following
|
||||
link: http://www.freertos.org/a00114.html
|
||||
|
||||
***************************************************************************
|
||||
* *
|
||||
* FreeRTOS provides completely free yet professionally developed, *
|
||||
* robust, strictly quality controlled, supported, and cross *
|
||||
* platform software that is more than just the market leader, it *
|
||||
* is the industry's de facto standard. *
|
||||
* *
|
||||
* Help yourself get started quickly while simultaneously helping *
|
||||
* to support the FreeRTOS project by purchasing a FreeRTOS *
|
||||
* tutorial book, reference manual, or both: *
|
||||
* http://www.FreeRTOS.org/Documentation *
|
||||
* *
|
||||
***************************************************************************
|
||||
|
||||
http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading
|
||||
the FAQ page "My application does not run, what could be wrong?". Have you
|
||||
defined configASSERT()?
|
||||
|
||||
http://www.FreeRTOS.org/support - In return for receiving this top quality
|
||||
embedded software for free we request you assist our global community by
|
||||
participating in the support forum.
|
||||
|
||||
http://www.FreeRTOS.org/training - Investing in training allows your team to
|
||||
be as productive as possible as early as possible. Now you can receive
|
||||
FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers
|
||||
Ltd, and the world's leading authority on the world's leading RTOS.
|
||||
|
||||
http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
|
||||
including FreeRTOS+Trace - an indispensable productivity tool, a DOS
|
||||
compatible FAT file system, and our tiny thread aware UDP/IP stack.
|
||||
|
||||
http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.
|
||||
Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.
|
||||
|
||||
http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High
|
||||
Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS
|
||||
licenses offer ticketed support, indemnification and commercial middleware.
|
||||
|
||||
http://www.SafeRTOS.com - High Integrity Systems also provide a safety
|
||||
engineered and independently SIL3 certified version for use in safety and
|
||||
mission critical applications that require provable dependability.
|
||||
|
||||
1 tab == 4 spaces!
|
||||
*/
|
||||
|
||||
/* Scheduler includes. */
|
||||
#include "FreeRTOS.h"
|
||||
#include "task.h"
|
||||
|
||||
/*-----------------------------------------------------------
|
||||
* Implementation of functions defined in portable.h for the ARM CM4F port.
|
||||
* CMSIS compatible layer to menage SysTick ticking source.
|
||||
*----------------------------------------------------------*/
|
||||
|
||||
#if configTICK_SOURCE == FREERTOS_USE_SYSTICK
|
||||
|
||||
#error NRF51 does not support SysTick module
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
#elif configTICK_SOURCE == FREERTOS_USE_RTC
|
||||
|
||||
#if configUSE_16_BIT_TICKS == 1
|
||||
#error This port does not support 16 bit ticks.
|
||||
#endif
|
||||
|
||||
#include "nrf_rtc.h"
|
||||
#include "nrf_drv_clock.h"
|
||||
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
void xPortSysTickHandler( void )
|
||||
{
|
||||
nrf_rtc_event_clear(portNRF_RTC_REG, NRF_RTC_EVENT_TICK);
|
||||
#if configUSE_TICKLESS_IDLE == 1
|
||||
nrf_rtc_event_clear(portNRF_RTC_REG, NRF_RTC_EVENT_COMPARE_0);
|
||||
#endif
|
||||
uint32_t isrstate = portSET_INTERRUPT_MASK_FROM_ISR();
|
||||
/* Increment the RTOS tick. */
|
||||
if ( xTaskIncrementTick() != pdFALSE )
|
||||
{
|
||||
/* A context switch is required. Context switching is performed in
|
||||
the PendSV interrupt. Pend the PendSV interrupt. */
|
||||
SCB->ICSR = SCB_ICSR_PENDSVSET_Msk;
|
||||
__SEV();
|
||||
}
|
||||
portCLEAR_INTERRUPT_MASK_FROM_ISR( isrstate );
|
||||
}
|
||||
|
||||
/*
|
||||
* Setup the RTC time to generate the tick interrupts at the required
|
||||
* frequency.
|
||||
*/
|
||||
void vPortSetupTimerInterrupt( void )
|
||||
{
|
||||
/* Request LF clock */
|
||||
nrf_drv_clock_lfclk_request(NULL);
|
||||
|
||||
/* Configure SysTick to interrupt at the requested rate. */
|
||||
nrf_rtc_prescaler_set(portNRF_RTC_REG, portNRF_RTC_PRESCALER);
|
||||
nrf_rtc_int_enable (portNRF_RTC_REG, RTC_INTENSET_TICK_Msk);
|
||||
nrf_rtc_task_trigger (portNRF_RTC_REG, NRF_RTC_TASK_CLEAR);
|
||||
nrf_rtc_task_trigger (portNRF_RTC_REG, NRF_RTC_TASK_START);
|
||||
|
||||
NVIC_SetPriority(portNRF_RTC_IRQn, configKERNEL_INTERRUPT_PRIORITY);
|
||||
NVIC_EnableIRQ(portNRF_RTC_IRQn);
|
||||
}
|
||||
|
||||
#if configUSE_TICKLESS_IDLE == 1
|
||||
|
||||
void vPortSuppressTicksAndSleep( TickType_t xExpectedIdleTime )
|
||||
{
|
||||
/*
|
||||
* Implementation note:
|
||||
*
|
||||
* To help debugging the option configUSE_TICKLESS_IDLE_SIMPLE_DEBUG was presented.
|
||||
* This option would make sure that even if program execution was stopped inside
|
||||
* this function no more than expected number of ticks would be skipped.
|
||||
*
|
||||
* Normally RTC works all the time even if firmware execution was stopped
|
||||
* and that may lead to skipping too much of ticks.
|
||||
*/
|
||||
TickType_t enterTime;
|
||||
|
||||
/* Make sure the SysTick reload value does not overflow the counter. */
|
||||
if ( xExpectedIdleTime > portNRF_RTC_MAXTICKS - configEXPECTED_IDLE_TIME_BEFORE_SLEEP )
|
||||
{
|
||||
xExpectedIdleTime = portNRF_RTC_MAXTICKS - configEXPECTED_IDLE_TIME_BEFORE_SLEEP;
|
||||
}
|
||||
/* Block the scheduler now */
|
||||
portDISABLE_INTERRUPTS();
|
||||
|
||||
/* Configure CTC interrupt */
|
||||
enterTime = nrf_rtc_counter_get(portNRF_RTC_REG);
|
||||
|
||||
if ( eTaskConfirmSleepModeStatus() != eAbortSleep )
|
||||
{
|
||||
TickType_t xModifiableIdleTime;
|
||||
TickType_t wakeupTime = (enterTime + xExpectedIdleTime) & portNRF_RTC_MAXTICKS;
|
||||
|
||||
/* Stop tick events */
|
||||
nrf_rtc_int_disable(portNRF_RTC_REG, NRF_RTC_INT_TICK_MASK);
|
||||
|
||||
/* Configure CTC interrupt */
|
||||
nrf_rtc_cc_set(portNRF_RTC_REG, 0, wakeupTime);
|
||||
nrf_rtc_event_clear(portNRF_RTC_REG, NRF_RTC_EVENT_COMPARE_0);
|
||||
nrf_rtc_int_enable(portNRF_RTC_REG, NRF_RTC_INT_COMPARE0_MASK);
|
||||
|
||||
__DSB();
|
||||
|
||||
/* Sleep until something happens. configPRE_SLEEP_PROCESSING() can
|
||||
* set its parameter to 0 to indicate that its implementation contains
|
||||
* its own wait for interrupt or wait for event instruction, and so wfi
|
||||
* should not be executed again. However, the original expected idle
|
||||
* time variable must remain unmodified, so a copy is taken. */
|
||||
xModifiableIdleTime = xExpectedIdleTime;
|
||||
configPRE_SLEEP_PROCESSING( xModifiableIdleTime );
|
||||
if ( xModifiableIdleTime > 0 )
|
||||
{
|
||||
do{
|
||||
__WFE();
|
||||
} while (0 == (NVIC->ISPR[0]));
|
||||
}
|
||||
configPOST_SLEEP_PROCESSING( xExpectedIdleTime );
|
||||
nrf_rtc_int_disable(portNRF_RTC_REG, NRF_RTC_INT_COMPARE0_MASK);
|
||||
|
||||
/* Correct the system ticks */
|
||||
{
|
||||
TickType_t diff;
|
||||
TickType_t hwTicks = nrf_rtc_counter_get(portNRF_RTC_REG);
|
||||
nrf_rtc_event_clear(portNRF_RTC_REG, NRF_RTC_EVENT_TICK);
|
||||
nrf_rtc_int_enable (portNRF_RTC_REG, NRF_RTC_INT_TICK_MASK);
|
||||
|
||||
if(enterTime > hwTicks)
|
||||
{
|
||||
hwTicks += portNRF_RTC_MAXTICKS + 1U;
|
||||
}
|
||||
|
||||
diff = (hwTicks - enterTime);
|
||||
if((configUSE_TICKLESS_IDLE_SIMPLE_DEBUG) && (diff > xExpectedIdleTime))
|
||||
{
|
||||
diff = xExpectedIdleTime;
|
||||
}
|
||||
|
||||
if (diff > 0)
|
||||
{
|
||||
vTaskStepTick(diff);
|
||||
}
|
||||
}
|
||||
}
|
||||
portENABLE_INTERRUPTS();
|
||||
}
|
||||
|
||||
#endif // configUSE_TICKLESS_IDLE
|
||||
|
||||
#else // configTICK_SOURCE
|
||||
#error Unsupported configTICK_SOURCE value
|
||||
#endif // configTICK_SOURCE == FREERTOS_USE_SYSTICK
|
||||
257
external/freertos/portable/CMSIS/nrf51/portmacro_cmsis.h
vendored
Normal file
257
external/freertos/portable/CMSIS/nrf51/portmacro_cmsis.h
vendored
Normal file
@@ -0,0 +1,257 @@
|
||||
/*
|
||||
FreeRTOS V8.2.1 - Copyright (C) 2015 Real Time Engineers Ltd.
|
||||
All rights reserved
|
||||
|
||||
VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
|
||||
|
||||
This file is part of the FreeRTOS distribution.
|
||||
|
||||
FreeRTOS is free software; you can redistribute it and/or modify it under
|
||||
the terms of the GNU General Public License (version 2) as published by the
|
||||
Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.
|
||||
|
||||
***************************************************************************
|
||||
>>! NOTE: The modification to the GPL is included to allow you to !<<
|
||||
>>! distribute a combined work that includes FreeRTOS without being !<<
|
||||
>>! obliged to provide the source code for proprietary components !<<
|
||||
>>! outside of the FreeRTOS kernel. !<<
|
||||
***************************************************************************
|
||||
|
||||
FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
|
||||
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
|
||||
FOR A PARTICULAR PURPOSE. Full license text is available on the following
|
||||
link: http://www.freertos.org/a00114.html
|
||||
|
||||
***************************************************************************
|
||||
* *
|
||||
* FreeRTOS provides completely free yet professionally developed, *
|
||||
* robust, strictly quality controlled, supported, and cross *
|
||||
* platform software that is more than just the market leader, it *
|
||||
* is the industry's de facto standard. *
|
||||
* *
|
||||
* Help yourself get started quickly while simultaneously helping *
|
||||
* to support the FreeRTOS project by purchasing a FreeRTOS *
|
||||
* tutorial book, reference manual, or both: *
|
||||
* http://www.FreeRTOS.org/Documentation *
|
||||
* *
|
||||
***************************************************************************
|
||||
|
||||
http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading
|
||||
the FAQ page "My application does not run, what could be wrong?". Have you
|
||||
defined configASSERT()?
|
||||
|
||||
http://www.FreeRTOS.org/support - In return for receiving this top quality
|
||||
embedded software for free we request you assist our global community by
|
||||
participating in the support forum.
|
||||
|
||||
http://www.FreeRTOS.org/training - Investing in training allows your team to
|
||||
be as productive as possible as early as possible. Now you can receive
|
||||
FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers
|
||||
Ltd, and the world's leading authority on the world's leading RTOS.
|
||||
|
||||
http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
|
||||
including FreeRTOS+Trace - an indispensable productivity tool, a DOS
|
||||
compatible FAT file system, and our tiny thread aware UDP/IP stack.
|
||||
|
||||
http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.
|
||||
Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.
|
||||
|
||||
http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High
|
||||
Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS
|
||||
licenses offer ticketed support, indemnification and commercial middleware.
|
||||
|
||||
http://www.SafeRTOS.com - High Integrity Systems also provide a safety
|
||||
engineered and independently SIL3 certified version for use in safety and
|
||||
mission critical applications that require provable dependability.
|
||||
|
||||
1 tab == 4 spaces!
|
||||
*/
|
||||
|
||||
|
||||
#ifndef PORTMACRO_CMSIS_H
|
||||
#define PORTMACRO_CMSIS_H
|
||||
|
||||
#include "app_util.h"
|
||||
#include "nordic_common.h"
|
||||
#ifdef SOFTDEVICE_PRESENT
|
||||
#include "nrf_soc.h"
|
||||
#include "softdevice_handler.h"
|
||||
#include "app_error.h"
|
||||
#include "app_util_platform.h"
|
||||
#endif
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/*-----------------------------------------------------------
|
||||
* Port specific definitions.
|
||||
*
|
||||
* The settings in this file configure FreeRTOS correctly for the
|
||||
* given hardware and compiler.
|
||||
*
|
||||
* These settings should not be altered.
|
||||
*-----------------------------------------------------------
|
||||
*/
|
||||
|
||||
/* Type definitions. */
|
||||
#define portCHAR char
|
||||
#define portFLOAT float
|
||||
#define portDOUBLE double
|
||||
#define portLONG long
|
||||
#define portSHORT short
|
||||
#define portSTACK_TYPE uint32_t
|
||||
#define portBASE_TYPE long
|
||||
|
||||
typedef portSTACK_TYPE StackType_t;
|
||||
typedef long BaseType_t;
|
||||
typedef unsigned long UBaseType_t;
|
||||
|
||||
#if ( configUSE_16_BIT_TICKS == 1 )
|
||||
typedef uint16_t TickType_t;
|
||||
#define portMAX_DELAY ( TickType_t ) 0xffff
|
||||
#else
|
||||
typedef uint32_t TickType_t;
|
||||
#define portMAX_DELAY ( TickType_t ) 0xffffffffUL
|
||||
|
||||
/* 32-bit tick type on a 32-bit architecture, so reads of the tick count do
|
||||
not need to be guarded with a critical section. */
|
||||
#define portTICK_TYPE_IS_ATOMIC 1
|
||||
#endif
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Architecture specifics. */
|
||||
#define portSTACK_GROWTH ( -1 )
|
||||
#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
|
||||
#define portBYTE_ALIGNMENT 8
|
||||
|
||||
/* RTC register */
|
||||
#define portNRF_RTC_REG NRF_RTC1
|
||||
/* IRQn used by the selected RTC */
|
||||
#define portNRF_RTC_IRQn RTC1_IRQn
|
||||
/* Constants required to manipulate the NVIC. */
|
||||
#define portNRF_RTC_PRESCALER ( (uint32_t) (ROUNDED_DIV(configSYSTICK_CLOCK_HZ, configTICK_RATE_HZ) - 1) )
|
||||
/* Maximum RTC ticks */
|
||||
#define portNRF_RTC_MAXTICKS ((1U<<24)-1U)
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Internal auxiliary macro */
|
||||
#define portPendSVSchedule() do \
|
||||
{ \
|
||||
/* Set a PendSV to request a context switch. */ \
|
||||
SCB->ICSR = SCB_ICSR_PENDSVSET_Msk; \
|
||||
__SEV(); \
|
||||
/* Barriers are normally not required but do ensure the code is completely \
|
||||
within the specified behaviour for the architecture. */ \
|
||||
__DSB(); \
|
||||
__ISB(); \
|
||||
}while (0)
|
||||
|
||||
/* Scheduler utilities. */
|
||||
#define portYIELD() vPortTaskYield()
|
||||
|
||||
#define portEND_SWITCHING_ISR( xSwitchRequired ) if ( (xSwitchRequired) != pdFALSE ) { portPendSVSchedule(); }
|
||||
#define portYIELD_FROM_ISR( x ) portEND_SWITCHING_ISR( x )
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Critical section management. */
|
||||
extern void vPortEnterCritical( void );
|
||||
extern void vPortExitCritical( void );
|
||||
extern void vPortTaskYield( void );
|
||||
#define portSET_INTERRUPT_MASK_FROM_ISR() ulPortDisableISR()
|
||||
#define portCLEAR_INTERRUPT_MASK_FROM_ISR(x) vPortRestoreISR(x)
|
||||
#define portDISABLE_INTERRUPTS() vPortDisableISR()
|
||||
#define portENABLE_INTERRUPTS() vPortEnableISR()
|
||||
#define portENTER_CRITICAL() vPortEnterCritical()
|
||||
#define portEXIT_CRITICAL() vPortExitCritical()
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Task function macros as described on the FreeRTOS.org WEB site. These are
|
||||
not necessary for to use this port. They are defined so the common demo files
|
||||
(which build with all the ports) will build. */
|
||||
#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )
|
||||
#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Tickless idle/low power functionality. */
|
||||
#ifndef portSUPPRESS_TICKS_AND_SLEEP
|
||||
extern void vPortSuppressTicksAndSleep( TickType_t xExpectedIdleTime );
|
||||
#define portSUPPRESS_TICKS_AND_SLEEP( xExpectedIdleTime ) vPortSuppressTicksAndSleep( xExpectedIdleTime )
|
||||
#endif
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
__STATIC_INLINE void vPortDisableISR(void)
|
||||
{
|
||||
#ifdef SOFTDEVICE_PRESENT
|
||||
uint8_t dummy = 0;
|
||||
uint32_t err_code = sd_nvic_critical_region_enter(&dummy);
|
||||
APP_ERROR_CHECK(err_code);
|
||||
#else
|
||||
__disable_irq();
|
||||
#endif
|
||||
}
|
||||
|
||||
__STATIC_INLINE void vPortEnableISR(void)
|
||||
{
|
||||
#ifdef SOFTDEVICE_PRESENT
|
||||
uint32_t err_code = sd_nvic_critical_region_exit(0);
|
||||
APP_ERROR_CHECK(err_code);
|
||||
#else
|
||||
__enable_irq();
|
||||
#endif
|
||||
}
|
||||
|
||||
/* Union used to remember current ISR state.
|
||||
* It concentrates information about ISR state and internal SD state into 32 bit variable. */
|
||||
typedef union
|
||||
{
|
||||
uint32_t u32; //< 32 bit access to the variable
|
||||
uint8_t sd_nested; //< Soft device nested element
|
||||
bool irq_nested; //< Global was disabled
|
||||
}portISRState_t;
|
||||
|
||||
__STATIC_INLINE uint32_t ulPortDisableISR(void)
|
||||
{
|
||||
portISRState_t isrs = {0};
|
||||
#ifdef SOFTDEVICE_PRESENT
|
||||
uint32_t err_code = sd_nvic_critical_region_enter(&isrs.sd_nested);
|
||||
APP_ERROR_CHECK(err_code);
|
||||
#else
|
||||
uint32_t primask = __get_PRIMASK();
|
||||
if(primask == 0)
|
||||
{
|
||||
__disable_irq();
|
||||
}
|
||||
else
|
||||
{
|
||||
isrs.irq_nested = true;
|
||||
}
|
||||
#endif
|
||||
return isrs.u32;
|
||||
}
|
||||
|
||||
__STATIC_INLINE void vPortRestoreISR(uint32_t state)
|
||||
{
|
||||
portISRState_t isrs = {state};
|
||||
#ifdef SOFTDEVICE_PRESENT
|
||||
uint32_t err_code = sd_nvic_critical_region_exit(isrs.sd_nested);
|
||||
APP_ERROR_CHECK(err_code);
|
||||
#else
|
||||
if(!isrs.irq_nested)
|
||||
{
|
||||
__enable_irq();
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* PORTMACRO_CMSIS_H */
|
||||
|
||||
398
external/freertos/portable/CMSIS/nrf52/port_cmsis.c
vendored
Normal file
398
external/freertos/portable/CMSIS/nrf52/port_cmsis.c
vendored
Normal file
@@ -0,0 +1,398 @@
|
||||
/*
|
||||
FreeRTOS V8.2.1 - Copyright (C) 2015 Real Time Engineers Ltd.
|
||||
All rights reserved
|
||||
|
||||
VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
|
||||
|
||||
This file is part of the FreeRTOS distribution.
|
||||
|
||||
FreeRTOS is free software; you can redistribute it and/or modify it under
|
||||
the terms of the GNU General Public License (version 2) as published by the
|
||||
Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.
|
||||
|
||||
***************************************************************************
|
||||
>>! NOTE: The modification to the GPL is included to allow you to !<<
|
||||
>>! distribute a combined work that includes FreeRTOS without being !<<
|
||||
>>! obliged to provide the source code for proprietary components !<<
|
||||
>>! outside of the FreeRTOS kernel. !<<
|
||||
***************************************************************************
|
||||
|
||||
FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
|
||||
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
|
||||
FOR A PARTICULAR PURPOSE. Full license text is available on the following
|
||||
link: http://www.freertos.org/a00114.html
|
||||
|
||||
***************************************************************************
|
||||
* *
|
||||
* FreeRTOS provides completely free yet professionally developed, *
|
||||
* robust, strictly quality controlled, supported, and cross *
|
||||
* platform software that is more than just the market leader, it *
|
||||
* is the industry's de facto standard. *
|
||||
* *
|
||||
* Help yourself get started quickly while simultaneously helping *
|
||||
* to support the FreeRTOS project by purchasing a FreeRTOS *
|
||||
* tutorial book, reference manual, or both: *
|
||||
* http://www.FreeRTOS.org/Documentation *
|
||||
* *
|
||||
***************************************************************************
|
||||
|
||||
http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading
|
||||
the FAQ page "My application does not run, what could be wrong?". Have you
|
||||
defined configASSERT()?
|
||||
|
||||
http://www.FreeRTOS.org/support - In return for receiving this top quality
|
||||
embedded software for free we request you assist our global community by
|
||||
participating in the support forum.
|
||||
|
||||
http://www.FreeRTOS.org/training - Investing in training allows your team to
|
||||
be as productive as possible as early as possible. Now you can receive
|
||||
FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers
|
||||
Ltd, and the world's leading authority on the world's leading RTOS.
|
||||
|
||||
http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
|
||||
including FreeRTOS+Trace - an indispensable productivity tool, a DOS
|
||||
compatible FAT file system, and our tiny thread aware UDP/IP stack.
|
||||
|
||||
http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.
|
||||
Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.
|
||||
|
||||
http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High
|
||||
Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS
|
||||
licenses offer ticketed support, indemnification and commercial middleware.
|
||||
|
||||
http://www.SafeRTOS.com - High Integrity Systems also provide a safety
|
||||
engineered and independently SIL3 certified version for use in safety and
|
||||
mission critical applications that require provable dependability.
|
||||
|
||||
1 tab == 4 spaces!
|
||||
*/
|
||||
|
||||
/*-----------------------------------------------------------
|
||||
* Implementation of functions defined in portable.h for the ARM CM4F port.
|
||||
*----------------------------------------------------------*/
|
||||
|
||||
/* Scheduler includes. */
|
||||
#include "FreeRTOS.h"
|
||||
#include "task.h"
|
||||
#ifdef SOFTDEVICE_PRESENT
|
||||
#include "nrf_soc.h"
|
||||
#include "app_util.h"
|
||||
#include "app_util_platform.h"
|
||||
#endif
|
||||
|
||||
#if !(__FPU_USED) && !(__LINT__)
|
||||
#error This port can only be used when the project options are configured to enable hardware floating point support.
|
||||
#endif
|
||||
|
||||
#if configMAX_SYSCALL_INTERRUPT_PRIORITY == 0
|
||||
#error configMAX_SYSCALL_INTERRUPT_PRIORITY must not be set to 0. See http://www.FreeRTOS.org/RTOS-Cortex-M3-M4.html
|
||||
#endif
|
||||
|
||||
/* Constants used to detect a Cortex-M7 r0p1 core, which should use the ARM_CM7
|
||||
r0p1 port. */
|
||||
#define portCORTEX_M4_r0p1_ID ( 0x410FC241UL )
|
||||
|
||||
/* Constants required to check the validity of an interrupt priority. */
|
||||
#define portFIRST_USER_INTERRUPT_NUMBER ( 16 )
|
||||
#define portMAX_8_BIT_VALUE ( ( uint8_t ) 0xff )
|
||||
#define portTOP_BIT_OF_BYTE ( ( uint8_t ) 0x80 )
|
||||
|
||||
/* Constants required to set up the initial stack. */
|
||||
#define portINITIAL_XPSR (((xPSR_Type){.b.T = 1}).w)
|
||||
#define portINITIAL_EXEC_RETURN ( 0xfffffffd )
|
||||
|
||||
/* Let the user override the pre-loading of the initial LR with the address of
|
||||
prvTaskExitError() in case is messes up unwinding of the stack in the
|
||||
debugger. */
|
||||
#ifdef configTASK_RETURN_ADDRESS
|
||||
#define portTASK_RETURN_ADDRESS configTASK_RETURN_ADDRESS
|
||||
#else
|
||||
#define portTASK_RETURN_ADDRESS prvTaskExitError
|
||||
#endif
|
||||
|
||||
/* Each task maintains its own interrupt status in the critical nesting
|
||||
variable. */
|
||||
static UBaseType_t uxCriticalNesting = 0;
|
||||
|
||||
/*
|
||||
* Setup the timer to generate the tick interrupts. The implementation in this
|
||||
* file is weak to allow application writers to change the timer used to
|
||||
* generate the tick interrupt.
|
||||
*/
|
||||
extern void vPortSetupTimerInterrupt( void );
|
||||
|
||||
/*
|
||||
* Exception handlers.
|
||||
*/
|
||||
void xPortSysTickHandler( void );
|
||||
|
||||
/*
|
||||
* Start first task is a separate function so it can be tested in isolation.
|
||||
*/
|
||||
extern void vPortStartFirstTask( void );
|
||||
|
||||
/*
|
||||
* Function to enable the VFP.
|
||||
*/
|
||||
static void vPortEnableVFP( void );
|
||||
|
||||
/*
|
||||
* Used to catch tasks that attempt to return from their implementing function.
|
||||
*/
|
||||
static void prvTaskExitError( void );
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/*
|
||||
* Used by the portASSERT_IF_INTERRUPT_PRIORITY_INVALID() macro to ensure
|
||||
* FreeRTOS API functions are not called from interrupts that have been assigned
|
||||
* a priority above configMAX_SYSCALL_INTERRUPT_PRIORITY.
|
||||
*/
|
||||
#if ( configASSERT_DEFINED == 1 )
|
||||
static uint8_t ucMaxSysCallPriority = 0;
|
||||
static uint32_t ulMaxPRIGROUPValue = 0;
|
||||
#endif /* configASSERT_DEFINED */
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/*
|
||||
* See header file for description.
|
||||
*/
|
||||
StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, TaskFunction_t pxCode, void *pvParameters )
|
||||
{
|
||||
/* Simulate the stack frame as it would be created by a context switch
|
||||
interrupt. */
|
||||
|
||||
/* Offset added to account for the way the MCU uses the stack on entry/exit
|
||||
of interrupts, and to ensure alignment. */
|
||||
pxTopOfStack--;
|
||||
|
||||
*pxTopOfStack = portINITIAL_XPSR; /* xPSR */
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = ( StackType_t ) pxCode; /* PC */
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = ( StackType_t ) portTASK_RETURN_ADDRESS; /* LR */
|
||||
|
||||
/* Save code space by skipping register initialisation. */
|
||||
pxTopOfStack -= 5; /* R12, R3, R2 and R1. */
|
||||
*pxTopOfStack = ( StackType_t ) pvParameters; /* R0 */
|
||||
|
||||
/* A save method is being used that requires each task to maintain its
|
||||
own exec return value. */
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = portINITIAL_EXEC_RETURN;
|
||||
|
||||
pxTopOfStack -= 8; /* R11, R10, R9, R8, R7, R6, R5 and R4. */
|
||||
|
||||
return pxTopOfStack;
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
static void prvTaskExitError( void )
|
||||
{
|
||||
/* A function that implements a task must not exit or attempt to return to
|
||||
its caller as there is nothing to return to. If a task wants to exit it
|
||||
should instead call vTaskDelete( NULL ).
|
||||
|
||||
Artificially force an assert() to be triggered if configASSERT() is
|
||||
defined, then stop here so application writers can catch the error. */
|
||||
configASSERT( uxCriticalNesting == ~0UL );
|
||||
portDISABLE_INTERRUPTS();
|
||||
for ( ;; );
|
||||
}
|
||||
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/*
|
||||
* See header file for description.
|
||||
*/
|
||||
BaseType_t xPortStartScheduler( void )
|
||||
{
|
||||
/* configMAX_SYSCALL_INTERRUPT_PRIORITY must not be set to 0.
|
||||
See http://www.FreeRTOS.org/RTOS-Cortex-M3-M4.html */
|
||||
configASSERT( configMAX_SYSCALL_INTERRUPT_PRIORITY );
|
||||
|
||||
/* This port is designed for nRF52, this is Cortex-M4 r0p1. */
|
||||
configASSERT( SCB->CPUID == portCORTEX_M4_r0p1_ID );
|
||||
|
||||
#if ( configASSERT_DEFINED == 1 )
|
||||
{
|
||||
volatile uint32_t ulOriginalPriority;
|
||||
volatile uint8_t * const pucFirstUserPriorityRegister = &NVIC->IP[0];
|
||||
volatile uint8_t ucMaxPriorityValue;
|
||||
|
||||
/* Determine the maximum priority from which ISR safe FreeRTOS API
|
||||
functions can be called. ISR safe functions are those that end in
|
||||
"FromISR". FreeRTOS maintains separate thread and ISR API functions to
|
||||
ensure interrupt entry is as fast and simple as possible.
|
||||
|
||||
Save the interrupt priority value that is about to be clobbered. */
|
||||
ulOriginalPriority = *pucFirstUserPriorityRegister;
|
||||
|
||||
/* Determine the number of priority bits available. First write to all
|
||||
possible bits. */
|
||||
*pucFirstUserPriorityRegister = portMAX_8_BIT_VALUE;
|
||||
|
||||
/* Read the value back to see how many bits stuck. */
|
||||
ucMaxPriorityValue = *pucFirstUserPriorityRegister;
|
||||
|
||||
/* Use the same mask on the maximum system call priority. */
|
||||
ucMaxSysCallPriority = configMAX_SYSCALL_INTERRUPT_PRIORITY & ucMaxPriorityValue;
|
||||
|
||||
/* Calculate the maximum acceptable priority group value for the number
|
||||
of bits read back. */
|
||||
ulMaxPRIGROUPValue = SCB_AIRCR_PRIGROUP_Msk >> SCB_AIRCR_PRIGROUP_Pos;
|
||||
while ( ( ucMaxPriorityValue & portTOP_BIT_OF_BYTE ) == portTOP_BIT_OF_BYTE )
|
||||
{
|
||||
ulMaxPRIGROUPValue--;
|
||||
ucMaxPriorityValue <<= ( uint8_t ) 0x01;
|
||||
}
|
||||
|
||||
/* Remove any bits that are more than actually existing. */
|
||||
ulMaxPRIGROUPValue &= SCB_AIRCR_PRIGROUP_Msk >> SCB_AIRCR_PRIGROUP_Pos;
|
||||
|
||||
/* Restore the clobbered interrupt priority register to its original
|
||||
value. */
|
||||
*pucFirstUserPriorityRegister = ulOriginalPriority;
|
||||
}
|
||||
#endif /* conifgASSERT_DEFINED */
|
||||
|
||||
/* Make PendSV the lowest priority interrupts. */
|
||||
NVIC_SetPriority(PendSV_IRQn, configKERNEL_INTERRUPT_PRIORITY);
|
||||
|
||||
/* Start the timer that generates the tick ISR. Interrupts are disabled
|
||||
here already. */
|
||||
vPortSetupTimerInterrupt();
|
||||
|
||||
/* Initialise the critical nesting count ready for the first task. */
|
||||
uxCriticalNesting = 0;
|
||||
|
||||
/* Ensure the VFP is enabled - it should be anyway. */
|
||||
vPortEnableVFP();
|
||||
|
||||
/* Lazy save always. */
|
||||
FPU->FPCCR |= FPU_FPCCR_ASPEN_Msk | FPU_FPCCR_LSPEN_Msk;
|
||||
|
||||
/* Finally this port requires SEVONPEND to be active */
|
||||
SCB->SCR |= SCB_SCR_SEVONPEND_Msk;
|
||||
|
||||
/* Start the first task. */
|
||||
vPortStartFirstTask();
|
||||
|
||||
/* Should never get here as the tasks will now be executing! Call the task
|
||||
exit error function to prevent compiler warnings about a static function
|
||||
not being called in the case that the application writer overrides this
|
||||
functionality by defining configTASK_RETURN_ADDRESS. */
|
||||
prvTaskExitError();
|
||||
|
||||
/* Should not get here! */
|
||||
return 0;
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
void vPortEndScheduler( void )
|
||||
{
|
||||
/* Not implemented in ports where there is nothing to return to.
|
||||
Artificially force an assert. */
|
||||
configASSERT( uxCriticalNesting == 1000UL );
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
void vPortEnterCritical( void )
|
||||
{
|
||||
portDISABLE_INTERRUPTS();
|
||||
uxCriticalNesting++;
|
||||
|
||||
/* This is not the interrupt safe version of the enter critical function so
|
||||
assert() if it is being called from an interrupt context. Only API
|
||||
functions that end in "FromISR" can be used in an interrupt. Only assert if
|
||||
the critical nesting count is 1 to protect against recursive calls if the
|
||||
assert function also uses a critical section. */
|
||||
if ( uxCriticalNesting == 1 )
|
||||
{
|
||||
configASSERT( ( SCB->ICSR & SCB_ICSR_VECTACTIVE_Msk ) == 0 );
|
||||
}
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
void vPortExitCritical( void )
|
||||
{
|
||||
configASSERT( uxCriticalNesting );
|
||||
uxCriticalNesting--;
|
||||
if ( uxCriticalNesting == 0 )
|
||||
{
|
||||
portENABLE_INTERRUPTS();
|
||||
}
|
||||
}
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* This is a naked function. */
|
||||
static void vPortEnableVFP( void )
|
||||
{
|
||||
SCB->CPACR |= 0xf << 20;
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
#if ( configASSERT_DEFINED == 1 )
|
||||
|
||||
void vPortValidateInterruptPriority( void )
|
||||
{
|
||||
uint32_t ulCurrentInterrupt;
|
||||
uint8_t ucCurrentPriority;
|
||||
IPSR_Type ipsr;
|
||||
|
||||
/* Obtain the number of the currently executing interrupt. */
|
||||
ipsr.w = __get_IPSR();
|
||||
ulCurrentInterrupt = ipsr.b.ISR;
|
||||
|
||||
/* Is the interrupt number a user defined interrupt? */
|
||||
if ( ulCurrentInterrupt >= portFIRST_USER_INTERRUPT_NUMBER )
|
||||
{
|
||||
/* Look up the interrupt's priority. */
|
||||
ucCurrentPriority = NVIC->IP[ ulCurrentInterrupt - portFIRST_USER_INTERRUPT_NUMBER ];
|
||||
|
||||
/* The following assertion will fail if a service routine (ISR) for
|
||||
an interrupt that has been assigned a priority above
|
||||
configMAX_SYSCALL_INTERRUPT_PRIORITY calls an ISR safe FreeRTOS API
|
||||
function. ISR safe FreeRTOS API functions must *only* be called
|
||||
from interrupts that have been assigned a priority at or below
|
||||
configMAX_SYSCALL_INTERRUPT_PRIORITY.
|
||||
|
||||
Numerically low interrupt priority numbers represent logically high
|
||||
interrupt priorities, therefore the priority of the interrupt must
|
||||
be set to a value equal to or numerically *higher* than
|
||||
configMAX_SYSCALL_INTERRUPT_PRIORITY.
|
||||
|
||||
Interrupts that use the FreeRTOS API must not be left at their
|
||||
default priority of zero as that is the highest possible priority,
|
||||
which is guaranteed to be above configMAX_SYSCALL_INTERRUPT_PRIORITY,
|
||||
and therefore also guaranteed to be invalid.
|
||||
|
||||
FreeRTOS maintains separate thread and ISR API functions to ensure
|
||||
interrupt entry is as fast and simple as possible.
|
||||
|
||||
The following links provide detailed information:
|
||||
http://www.freertos.org/RTOS-Cortex-M3-M4.html
|
||||
http://www.freertos.org/FAQHelp.html */
|
||||
configASSERT( ucCurrentPriority >= ucMaxSysCallPriority );
|
||||
}
|
||||
|
||||
/* Priority grouping: The interrupt controller (NVIC) allows the bits
|
||||
that define each interrupt's priority to be split between bits that
|
||||
define the interrupt's pre-emption priority bits and bits that define
|
||||
the interrupt's sub-priority. For simplicity all bits must be defined
|
||||
to be pre-emption priority bits. The following assertion will fail if
|
||||
this is not the case (if some bits represent a sub-priority).
|
||||
|
||||
If the application only uses CMSIS libraries for interrupt
|
||||
configuration then the correct setting can be achieved on all Cortex-M
|
||||
devices by calling NVIC_SetPriorityGrouping( 0 ); before starting the
|
||||
scheduler. Note however that some vendor specific peripheral libraries
|
||||
assume a non-zero priority group setting, in which cases using a value
|
||||
of zero will result in unpredicable behaviour. */
|
||||
configASSERT( NVIC_GetPriorityGrouping() <= ulMaxPRIGROUPValue );
|
||||
}
|
||||
|
||||
#endif /* configASSERT_DEFINED */
|
||||
300
external/freertos/portable/CMSIS/nrf52/port_cmsis_systick.c
vendored
Normal file
300
external/freertos/portable/CMSIS/nrf52/port_cmsis_systick.c
vendored
Normal file
@@ -0,0 +1,300 @@
|
||||
/*
|
||||
FreeRTOS V8.2.1 - Copyright (C) 2015 Real Time Engineers Ltd.
|
||||
All rights reserved
|
||||
|
||||
VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
|
||||
|
||||
This file is part of the FreeRTOS distribution.
|
||||
|
||||
FreeRTOS is free software; you can redistribute it and/or modify it under
|
||||
the terms of the GNU General Public License (version 2) as published by the
|
||||
Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.
|
||||
|
||||
***************************************************************************
|
||||
>>! NOTE: The modification to the GPL is included to allow you to !<<
|
||||
>>! distribute a combined work that includes FreeRTOS without being !<<
|
||||
>>! obliged to provide the source code for proprietary components !<<
|
||||
>>! outside of the FreeRTOS kernel. !<<
|
||||
***************************************************************************
|
||||
|
||||
FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
|
||||
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
|
||||
FOR A PARTICULAR PURPOSE. Full license text is available on the following
|
||||
link: http://www.freertos.org/a00114.html
|
||||
|
||||
***************************************************************************
|
||||
* *
|
||||
* FreeRTOS provides completely free yet professionally developed, *
|
||||
* robust, strictly quality controlled, supported, and cross *
|
||||
* platform software that is more than just the market leader, it *
|
||||
* is the industry's de facto standard. *
|
||||
* *
|
||||
* Help yourself get started quickly while simultaneously helping *
|
||||
* to support the FreeRTOS project by purchasing a FreeRTOS *
|
||||
* tutorial book, reference manual, or both: *
|
||||
* http://www.FreeRTOS.org/Documentation *
|
||||
* *
|
||||
***************************************************************************
|
||||
|
||||
http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading
|
||||
the FAQ page "My application does not run, what could be wrong?". Have you
|
||||
defined configASSERT()?
|
||||
|
||||
http://www.FreeRTOS.org/support - In return for receiving this top quality
|
||||
embedded software for free we request you assist our global community by
|
||||
participating in the support forum.
|
||||
|
||||
http://www.FreeRTOS.org/training - Investing in training allows your team to
|
||||
be as productive as possible as early as possible. Now you can receive
|
||||
FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers
|
||||
Ltd, and the world's leading authority on the world's leading RTOS.
|
||||
|
||||
http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
|
||||
including FreeRTOS+Trace - an indispensable productivity tool, a DOS
|
||||
compatible FAT file system, and our tiny thread aware UDP/IP stack.
|
||||
|
||||
http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.
|
||||
Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.
|
||||
|
||||
http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High
|
||||
Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS
|
||||
licenses offer ticketed support, indemnification and commercial middleware.
|
||||
|
||||
http://www.SafeRTOS.com - High Integrity Systems also provide a safety
|
||||
engineered and independently SIL3 certified version for use in safety and
|
||||
mission critical applications that require provable dependability.
|
||||
|
||||
1 tab == 4 spaces!
|
||||
*/
|
||||
|
||||
/* Scheduler includes. */
|
||||
#include "FreeRTOS.h"
|
||||
#include "task.h"
|
||||
#include "app_util.h"
|
||||
|
||||
#ifdef SOFTDEVICE_PRESENT
|
||||
#include "nrf_soc.h"
|
||||
#include "softdevice_handler.h"
|
||||
#include "app_error.h"
|
||||
#include "app_util_platform.h"
|
||||
#endif
|
||||
|
||||
/*-----------------------------------------------------------
|
||||
* Implementation of functions defined in portable.h for the ARM CM4F port.
|
||||
* CMSIS compatible layer to menage SysTick ticking source.
|
||||
*----------------------------------------------------------*/
|
||||
|
||||
#if configTICK_SOURCE == FREERTOS_USE_SYSTICK
|
||||
|
||||
|
||||
#ifndef configSYSTICK_CLOCK_HZ
|
||||
#define configSYSTICK_CLOCK_HZ configCPU_CLOCK_HZ
|
||||
/* Ensure the SysTick is clocked at the same frequency as the core. */
|
||||
#define portNVIC_SYSTICK_CLK_BIT ( SysTick_CTRL_CLKSOURCE_Msk )
|
||||
#else
|
||||
/* The way the SysTick is clocked is not modified in case it is not the same
|
||||
as the core. */
|
||||
#define portNVIC_SYSTICK_CLK_BIT ( 0 )
|
||||
#endif
|
||||
|
||||
|
||||
#if configUSE_TICKLESS_IDLE == 1
|
||||
#error SysTick port for RF52 does not support tickless idle. Use RTC mode instead.
|
||||
#endif /* configUSE_TICKLESS_IDLE */
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
void xPortSysTickHandler( void )
|
||||
{
|
||||
/* The SysTick runs at the lowest interrupt priority, so when this interrupt
|
||||
executes all interrupts must be unmasked. There is therefore no need to
|
||||
save and then restore the interrupt mask value as its value is already
|
||||
known. */
|
||||
( void ) portSET_INTERRUPT_MASK_FROM_ISR();
|
||||
{
|
||||
/* Increment the RTOS tick. */
|
||||
if ( xTaskIncrementTick() != pdFALSE )
|
||||
{
|
||||
/* A context switch is required. Context switching is performed in
|
||||
the PendSV interrupt. Pend the PendSV interrupt. */
|
||||
SCB->ICSR = SCB_ICSR_PENDSVSET_Msk;
|
||||
__SEV();
|
||||
}
|
||||
}
|
||||
portCLEAR_INTERRUPT_MASK_FROM_ISR( 0 );
|
||||
}
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/*
|
||||
* Setup the systick timer to generate the tick interrupts at the required
|
||||
* frequency.
|
||||
*/
|
||||
void vPortSetupTimerInterrupt( void )
|
||||
{
|
||||
/* Set interrupt priority */
|
||||
NVIC_SetPriority(SysTick_IRQn, configKERNEL_INTERRUPT_PRIORITY);
|
||||
/* Configure SysTick to interrupt at the requested rate. */
|
||||
SysTick->LOAD = ROUNDED_DIV(configSYSTICK_CLOCK_HZ, configTICK_RATE_HZ) - 1UL;
|
||||
SysTick->CTRL = ( portNVIC_SYSTICK_CLK_BIT | SysTick_CTRL_TICKINT_Msk | SysTick_CTRL_ENABLE_Msk );
|
||||
}
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
#elif configTICK_SOURCE == FREERTOS_USE_RTC
|
||||
|
||||
#if configUSE_16_BIT_TICKS == 1
|
||||
#error This port does not support 16 bit ticks.
|
||||
#endif
|
||||
|
||||
#include "nrf_rtc.h"
|
||||
#include "nrf_drv_clock.h"
|
||||
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
void xPortSysTickHandler( void )
|
||||
{
|
||||
nrf_rtc_event_clear(portNRF_RTC_REG, NRF_RTC_EVENT_TICK);
|
||||
#if configUSE_TICKLESS_IDLE == 1
|
||||
nrf_rtc_event_clear(portNRF_RTC_REG, NRF_RTC_EVENT_COMPARE_0);
|
||||
#endif
|
||||
|
||||
/* The SysTick runs at the lowest interrupt priority, so when this interrupt
|
||||
executes all interrupts must be unmasked. There is therefore no need to
|
||||
save and then restore the interrupt mask value as its value is already
|
||||
known. */
|
||||
( void ) portSET_INTERRUPT_MASK_FROM_ISR();
|
||||
/* Increment the RTOS tick. */
|
||||
if ( xTaskIncrementTick() != pdFALSE )
|
||||
{
|
||||
/* A context switch is required. Context switching is performed in
|
||||
the PendSV interrupt. Pend the PendSV interrupt. */
|
||||
SCB->ICSR = SCB_ICSR_PENDSVSET_Msk;
|
||||
__SEV();
|
||||
}
|
||||
portCLEAR_INTERRUPT_MASK_FROM_ISR( 0 );
|
||||
}
|
||||
|
||||
/*
|
||||
* Setup the RTC time to generate the tick interrupts at the required
|
||||
* frequency.
|
||||
*/
|
||||
void vPortSetupTimerInterrupt( void )
|
||||
{
|
||||
/* Request LF clock */
|
||||
nrf_drv_clock_lfclk_request(NULL);
|
||||
|
||||
/* Configure SysTick to interrupt at the requested rate. */
|
||||
nrf_rtc_prescaler_set(portNRF_RTC_REG, portNRF_RTC_PRESCALER);
|
||||
nrf_rtc_int_enable (portNRF_RTC_REG, RTC_INTENSET_TICK_Msk);
|
||||
nrf_rtc_task_trigger (portNRF_RTC_REG, NRF_RTC_TASK_CLEAR);
|
||||
nrf_rtc_task_trigger (portNRF_RTC_REG, NRF_RTC_TASK_START);
|
||||
|
||||
NVIC_SetPriority(portNRF_RTC_IRQn, configKERNEL_INTERRUPT_PRIORITY);
|
||||
NVIC_EnableIRQ(portNRF_RTC_IRQn);
|
||||
}
|
||||
|
||||
#if configUSE_TICKLESS_IDLE == 1
|
||||
|
||||
void vPortSuppressTicksAndSleep( TickType_t xExpectedIdleTime )
|
||||
{
|
||||
/*
|
||||
* Implementation note:
|
||||
*
|
||||
* To help debugging the option configUSE_TICKLESS_IDLE_SIMPLE_DEBUG was presented.
|
||||
* This option would make sure that even if program execution was stopped inside
|
||||
* this function no more than expected number of ticks would be skipped.
|
||||
*
|
||||
* Normally RTC works all the time even if firmware execution was stopped
|
||||
* and that may lead to skipping too much of ticks.
|
||||
*/
|
||||
TickType_t enterTime;
|
||||
|
||||
/* Make sure the SysTick reload value does not overflow the counter. */
|
||||
if ( xExpectedIdleTime > portNRF_RTC_MAXTICKS - configEXPECTED_IDLE_TIME_BEFORE_SLEEP )
|
||||
{
|
||||
xExpectedIdleTime = portNRF_RTC_MAXTICKS - configEXPECTED_IDLE_TIME_BEFORE_SLEEP;
|
||||
}
|
||||
/* Block all the interrupts globally */
|
||||
#ifdef SOFTDEVICE_PRESENT
|
||||
do{
|
||||
uint8_t dummy = 0;
|
||||
uint32_t err_code = sd_nvic_critical_region_enter(&dummy);
|
||||
APP_ERROR_CHECK(err_code);
|
||||
}while(0);
|
||||
#else
|
||||
__disable_irq();
|
||||
#endif
|
||||
|
||||
enterTime = nrf_rtc_counter_get(portNRF_RTC_REG);
|
||||
|
||||
if ( eTaskConfirmSleepModeStatus() != eAbortSleep )
|
||||
{
|
||||
TickType_t xModifiableIdleTime;
|
||||
TickType_t wakeupTime = (enterTime + xExpectedIdleTime) & portNRF_RTC_MAXTICKS;
|
||||
|
||||
/* Stop tick events */
|
||||
nrf_rtc_int_disable(portNRF_RTC_REG, NRF_RTC_INT_TICK_MASK);
|
||||
|
||||
/* Configure CTC interrupt */
|
||||
nrf_rtc_cc_set(portNRF_RTC_REG, 0, wakeupTime);
|
||||
nrf_rtc_event_clear(portNRF_RTC_REG, NRF_RTC_EVENT_COMPARE_0);
|
||||
nrf_rtc_int_enable(portNRF_RTC_REG, NRF_RTC_INT_COMPARE0_MASK);
|
||||
|
||||
__DSB();
|
||||
|
||||
/* Sleep until something happens. configPRE_SLEEP_PROCESSING() can
|
||||
* set its parameter to 0 to indicate that its implementation contains
|
||||
* its own wait for interrupt or wait for event instruction, and so wfi
|
||||
* should not be executed again. However, the original expected idle
|
||||
* time variable must remain unmodified, so a copy is taken. */
|
||||
xModifiableIdleTime = xExpectedIdleTime;
|
||||
configPRE_SLEEP_PROCESSING( xModifiableIdleTime );
|
||||
if ( xModifiableIdleTime > 0 )
|
||||
{
|
||||
do{
|
||||
__WFE();
|
||||
} while (0 == (NVIC->ISPR[0] | NVIC->ISPR[1]));
|
||||
}
|
||||
configPOST_SLEEP_PROCESSING( xExpectedIdleTime );
|
||||
nrf_rtc_int_disable(portNRF_RTC_REG, NRF_RTC_INT_COMPARE0_MASK);
|
||||
|
||||
/* Correct the system ticks */
|
||||
{
|
||||
TickType_t diff;
|
||||
TickType_t hwTicks = nrf_rtc_counter_get(portNRF_RTC_REG);
|
||||
|
||||
nrf_rtc_event_clear(portNRF_RTC_REG, NRF_RTC_EVENT_TICK);
|
||||
nrf_rtc_int_enable (portNRF_RTC_REG, NRF_RTC_INT_TICK_MASK);
|
||||
|
||||
if(enterTime > hwTicks)
|
||||
{
|
||||
hwTicks += portNRF_RTC_MAXTICKS + 1U;
|
||||
}
|
||||
|
||||
diff = (hwTicks - enterTime);
|
||||
if((configUSE_TICKLESS_IDLE_SIMPLE_DEBUG) && (diff > xExpectedIdleTime))
|
||||
{
|
||||
diff = xExpectedIdleTime;
|
||||
}
|
||||
|
||||
if (diff > 0)
|
||||
{
|
||||
vTaskStepTick(diff);
|
||||
}
|
||||
}
|
||||
}
|
||||
#ifdef SOFTDEVICE_PRESENT
|
||||
uint32_t err_code = sd_nvic_critical_region_exit(0);
|
||||
APP_ERROR_CHECK(err_code);
|
||||
#else
|
||||
__enable_irq();
|
||||
#endif
|
||||
}
|
||||
|
||||
#endif // configUSE_TICKLESS_IDLE
|
||||
|
||||
#else // configTICK_SOURCE
|
||||
#error Unsupported configTICK_SOURCE value
|
||||
#endif // configTICK_SOURCE == FREERTOS_USE_SYSTICK
|
||||
229
external/freertos/portable/CMSIS/nrf52/portmacro_cmsis.h
vendored
Normal file
229
external/freertos/portable/CMSIS/nrf52/portmacro_cmsis.h
vendored
Normal file
@@ -0,0 +1,229 @@
|
||||
/*
|
||||
FreeRTOS V8.2.1 - Copyright (C) 2015 Real Time Engineers Ltd.
|
||||
All rights reserved
|
||||
|
||||
VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
|
||||
|
||||
This file is part of the FreeRTOS distribution.
|
||||
|
||||
FreeRTOS is free software; you can redistribute it and/or modify it under
|
||||
the terms of the GNU General Public License (version 2) as published by the
|
||||
Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.
|
||||
|
||||
***************************************************************************
|
||||
>>! NOTE: The modification to the GPL is included to allow you to !<<
|
||||
>>! distribute a combined work that includes FreeRTOS without being !<<
|
||||
>>! obliged to provide the source code for proprietary components !<<
|
||||
>>! outside of the FreeRTOS kernel. !<<
|
||||
***************************************************************************
|
||||
|
||||
FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
|
||||
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
|
||||
FOR A PARTICULAR PURPOSE. Full license text is available on the following
|
||||
link: http://www.freertos.org/a00114.html
|
||||
|
||||
***************************************************************************
|
||||
* *
|
||||
* FreeRTOS provides completely free yet professionally developed, *
|
||||
* robust, strictly quality controlled, supported, and cross *
|
||||
* platform software that is more than just the market leader, it *
|
||||
* is the industry's de facto standard. *
|
||||
* *
|
||||
* Help yourself get started quickly while simultaneously helping *
|
||||
* to support the FreeRTOS project by purchasing a FreeRTOS *
|
||||
* tutorial book, reference manual, or both: *
|
||||
* http://www.FreeRTOS.org/Documentation *
|
||||
* *
|
||||
***************************************************************************
|
||||
|
||||
http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading
|
||||
the FAQ page "My application does not run, what could be wrong?". Have you
|
||||
defined configASSERT()?
|
||||
|
||||
http://www.FreeRTOS.org/support - In return for receiving this top quality
|
||||
embedded software for free we request you assist our global community by
|
||||
participating in the support forum.
|
||||
|
||||
http://www.FreeRTOS.org/training - Investing in training allows your team to
|
||||
be as productive as possible as early as possible. Now you can receive
|
||||
FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers
|
||||
Ltd, and the world's leading authority on the world's leading RTOS.
|
||||
|
||||
http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
|
||||
including FreeRTOS+Trace - an indispensable productivity tool, a DOS
|
||||
compatible FAT file system, and our tiny thread aware UDP/IP stack.
|
||||
|
||||
http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.
|
||||
Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.
|
||||
|
||||
http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High
|
||||
Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS
|
||||
licenses offer ticketed support, indemnification and commercial middleware.
|
||||
|
||||
http://www.SafeRTOS.com - High Integrity Systems also provide a safety
|
||||
engineered and independently SIL3 certified version for use in safety and
|
||||
mission critical applications that require provable dependability.
|
||||
|
||||
1 tab == 4 spaces!
|
||||
*/
|
||||
|
||||
|
||||
#ifndef PORTMACRO_CMSIS_H
|
||||
#define PORTMACRO_CMSIS_H
|
||||
#include "app_util.h"
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/*-----------------------------------------------------------
|
||||
* Port specific definitions.
|
||||
*
|
||||
* The settings in this file configure FreeRTOS correctly for the
|
||||
* given hardware and compiler.
|
||||
*
|
||||
* These settings should not be altered.
|
||||
*-----------------------------------------------------------
|
||||
*/
|
||||
|
||||
/* Type definitions. */
|
||||
#define portCHAR char
|
||||
#define portFLOAT float
|
||||
#define portDOUBLE double
|
||||
#define portLONG long
|
||||
#define portSHORT short
|
||||
#define portSTACK_TYPE uint32_t
|
||||
#define portBASE_TYPE long
|
||||
|
||||
typedef portSTACK_TYPE StackType_t;
|
||||
typedef long BaseType_t;
|
||||
typedef unsigned long UBaseType_t;
|
||||
|
||||
#if ( configUSE_16_BIT_TICKS == 1 )
|
||||
typedef uint16_t TickType_t;
|
||||
#define portMAX_DELAY ( TickType_t ) 0xffff
|
||||
#else
|
||||
typedef uint32_t TickType_t;
|
||||
#define portMAX_DELAY ( TickType_t ) 0xffffffffUL
|
||||
|
||||
/* 32-bit tick type on a 32-bit architecture, so reads of the tick count do
|
||||
not need to be guarded with a critical section. */
|
||||
#define portTICK_TYPE_IS_ATOMIC 1
|
||||
#endif
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Architecture specifics. */
|
||||
#define portSTACK_GROWTH ( -1 )
|
||||
#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
|
||||
#define portBYTE_ALIGNMENT 8
|
||||
|
||||
/* RTC register */
|
||||
#define portNRF_RTC_REG NRF_RTC1
|
||||
/* IRQn used by the selected RTC */
|
||||
#define portNRF_RTC_IRQn RTC1_IRQn
|
||||
/* Constants required to manipulate the NVIC. */
|
||||
#define portNRF_RTC_PRESCALER ( (uint32_t) (ROUNDED_DIV(configSYSTICK_CLOCK_HZ, configTICK_RATE_HZ) - 1) )
|
||||
/* Maximum RTC ticks */
|
||||
#define portNRF_RTC_MAXTICKS ((1U<<24)-1U)
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Scheduler utilities. */
|
||||
#define portYIELD() do \
|
||||
{ \
|
||||
/* Set a PendSV to request a context switch. */ \
|
||||
SCB->ICSR = SCB_ICSR_PENDSVSET_Msk; \
|
||||
__SEV(); \
|
||||
/* Barriers are normally not required but do ensure the code is completely \
|
||||
within the specified behaviour for the architecture. */ \
|
||||
__DSB(); \
|
||||
__ISB(); \
|
||||
}while (0)
|
||||
|
||||
#define portEND_SWITCHING_ISR( xSwitchRequired ) if ( (xSwitchRequired) != pdFALSE ) portYIELD()
|
||||
#define portYIELD_FROM_ISR( x ) portEND_SWITCHING_ISR( x )
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Critical section management. */
|
||||
extern void vPortEnterCritical( void );
|
||||
extern void vPortExitCritical( void );
|
||||
#define portSET_INTERRUPT_MASK_FROM_ISR() ulPortRaiseBASEPRI()
|
||||
#define portCLEAR_INTERRUPT_MASK_FROM_ISR(x) vPortSetBASEPRI(x)
|
||||
#define portDISABLE_INTERRUPTS() vPortRaiseBASEPRI()
|
||||
#define portENABLE_INTERRUPTS() vPortSetBASEPRI(0)
|
||||
#define portENTER_CRITICAL() vPortEnterCritical()
|
||||
#define portEXIT_CRITICAL() vPortExitCritical()
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Task function macros as described on the FreeRTOS.org WEB site. These are
|
||||
not necessary for to use this port. They are defined so the common demo files
|
||||
(which build with all the ports) will build. */
|
||||
#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )
|
||||
#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Tickless idle/low power functionality. */
|
||||
#ifndef portSUPPRESS_TICKS_AND_SLEEP
|
||||
extern void vPortSuppressTicksAndSleep( TickType_t xExpectedIdleTime );
|
||||
#define portSUPPRESS_TICKS_AND_SLEEP( xExpectedIdleTime ) vPortSuppressTicksAndSleep( xExpectedIdleTime )
|
||||
#endif
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Architecture specific optimisations. */
|
||||
#ifndef configUSE_PORT_OPTIMISED_TASK_SELECTION
|
||||
#define configUSE_PORT_OPTIMISED_TASK_SELECTION 1
|
||||
#endif
|
||||
|
||||
#if configUSE_PORT_OPTIMISED_TASK_SELECTION == 1
|
||||
|
||||
/* Count leading zeros helper. */
|
||||
#define ucPortCountLeadingZeros( bits ) __CLZ( bits )
|
||||
|
||||
/* Check the configuration. */
|
||||
#if ( configMAX_PRIORITIES > 32 )
|
||||
#error configUSE_PORT_OPTIMISED_TASK_SELECTION can only be set to 1 when configMAX_PRIORITIES is less than or equal to 32. It is very rare that a system requires more than 10 to 15 difference priorities as tasks that share a priority will time slice.
|
||||
#endif
|
||||
|
||||
/* Store/clear the ready priorities in a bit map. */
|
||||
#define portRECORD_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) |= ( 1UL << ( uxPriority ) )
|
||||
#define portRESET_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) &= ~( 1UL << ( uxPriority ) )
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
#define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities ) uxTopPriority = ( 31 - ucPortCountLeadingZeros( ( uxReadyPriorities ) ) )
|
||||
|
||||
#endif /* configUSE_PORT_OPTIMISED_TASK_SELECTION */
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
#ifdef configASSERT
|
||||
void vPortValidateInterruptPriority( void );
|
||||
#define portASSERT_IF_INTERRUPT_PRIORITY_INVALID() vPortValidateInterruptPriority()
|
||||
#endif
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
#define vPortSetBASEPRI( ulNewMaskValue ) __set_BASEPRI(ulNewMaskValue)
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
#define vPortRaiseBASEPRI( ) vPortSetBASEPRI(configMAX_SYSCALL_INTERRUPT_PRIORITY << (8 - configPRIO_BITS))
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
__STATIC_INLINE uint32_t ulPortRaiseBASEPRI( void )
|
||||
{
|
||||
uint32_t ulOriginalBASEPRI = __get_BASEPRI();
|
||||
vPortRaiseBASEPRI();
|
||||
return ulOriginalBASEPRI;
|
||||
}
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* PORTMACRO_CMSIS_H */
|
||||
|
||||
171
external/freertos/portable/GCC/nrf51/port.c
vendored
Normal file
171
external/freertos/portable/GCC/nrf51/port.c
vendored
Normal file
@@ -0,0 +1,171 @@
|
||||
/*
|
||||
FreeRTOS V8.2.1 - Copyright (C) 2015 Real Time Engineers Ltd.
|
||||
All rights reserved
|
||||
|
||||
VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
|
||||
|
||||
This file is part of the FreeRTOS distribution.
|
||||
|
||||
FreeRTOS is free software; you can redistribute it and/or modify it under
|
||||
the terms of the GNU General Public License (version 2) as published by the
|
||||
Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.
|
||||
|
||||
***************************************************************************
|
||||
>>! NOTE: The modification to the GPL is included to allow you to !<<
|
||||
>>! distribute a combined work that includes FreeRTOS without being !<<
|
||||
>>! obliged to provide the source code for proprietary components !<<
|
||||
>>! outside of the FreeRTOS kernel. !<<
|
||||
***************************************************************************
|
||||
|
||||
FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
|
||||
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
|
||||
FOR A PARTICULAR PURPOSE. Full license text is available on the following
|
||||
link: http://www.freertos.org/a00114.html
|
||||
|
||||
***************************************************************************
|
||||
* *
|
||||
* FreeRTOS provides completely free yet professionally developed, *
|
||||
* robust, strictly quality controlled, supported, and cross *
|
||||
* platform software that is more than just the market leader, it *
|
||||
* is the industry's de facto standard. *
|
||||
* *
|
||||
* Help yourself get started quickly while simultaneously helping *
|
||||
* to support the FreeRTOS project by purchasing a FreeRTOS *
|
||||
* tutorial book, reference manual, or both: *
|
||||
* http://www.FreeRTOS.org/Documentation *
|
||||
* *
|
||||
***************************************************************************
|
||||
|
||||
http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading
|
||||
the FAQ page "My application does not run, what could be wrong?". Have you
|
||||
defined configASSERT()?
|
||||
|
||||
http://www.FreeRTOS.org/support - In return for receiving this top quality
|
||||
embedded software for free we request you assist our global community by
|
||||
participating in the support forum.
|
||||
|
||||
http://www.FreeRTOS.org/training - Investing in training allows your team to
|
||||
be as productive as possible as early as possible. Now you can receive
|
||||
FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers
|
||||
Ltd, and the world's leading authority on the world's leading RTOS.
|
||||
|
||||
http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
|
||||
including FreeRTOS+Trace - an indispensable productivity tool, a DOS
|
||||
compatible FAT file system, and our tiny thread aware UDP/IP stack.
|
||||
|
||||
http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.
|
||||
Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.
|
||||
|
||||
http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High
|
||||
Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS
|
||||
licenses offer ticketed support, indemnification and commercial middleware.
|
||||
|
||||
http://www.SafeRTOS.com - High Integrity Systems also provide a safety
|
||||
engineered and independently SIL3 certified version for use in safety and
|
||||
mission critical applications that require provable dependability.
|
||||
|
||||
1 tab == 4 spaces!
|
||||
*/
|
||||
|
||||
/*-----------------------------------------------------------
|
||||
* Implementation of functions defined in portable.h for the ARM CM4F port.
|
||||
*----------------------------------------------------------*/
|
||||
|
||||
/* Scheduler includes. */
|
||||
#include "FreeRTOS.h"
|
||||
#include "task.h"
|
||||
|
||||
/*
|
||||
* Start first task is a separate function so it can be tested in isolation.
|
||||
*/
|
||||
void vPortStartFirstTask( void ) __attribute__ (( naked ));
|
||||
|
||||
/*
|
||||
* Exception handlers.
|
||||
*/
|
||||
void vPortSVCHandler( void );
|
||||
void xPortPendSVHandler( void ) __attribute__ (( naked ));
|
||||
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
void vPortStartFirstTask( void )
|
||||
{
|
||||
__asm volatile(
|
||||
" .syntax unified \n"
|
||||
" \n"
|
||||
" ldr r0, =__isr_vector \n" /* Locate the stack using __isr_vector table. */
|
||||
" ldr r0, [r0] \n"
|
||||
" msr msp, r0 \n" /* Set the msp back to the start of the stack. */
|
||||
" \n"
|
||||
" ldr r3, =pxCurrentTCB \n" /* Obtain location of pxCurrentTCB. */
|
||||
" ldr r1, [r3] \n"
|
||||
" ldr r0, [r1] \n" /* The first item in pxCurrentTCB is the task top of stack. */
|
||||
" adds r0, #32 \n" /* Discard everything up to r0 */
|
||||
" msr psp, r0 \n" /* This is now the new top of stack to use in the task. */
|
||||
" movs r0, #2 \n" /* Switch to the psp stack. */
|
||||
" msr CONTROL, r0 \n"
|
||||
" pop {r0-r5} \n" /* Pop the registers that are saved automatically. */
|
||||
" mov lr, r5 \n" /* lr is now in r5. */
|
||||
" cpsie i \n" /* The first task has its context and interrupts can be enabled. */
|
||||
" pop {pc} \n" /* Finally, pop the PC to jump to the user defined task code. */
|
||||
" \n"
|
||||
" .align 2 \n"
|
||||
);
|
||||
}
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
void vPortSVCHandler( void )
|
||||
{
|
||||
/* This function is no longer used, but retained for backward
|
||||
compatibility. */
|
||||
}
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
void xPortPendSVHandler( void )
|
||||
{
|
||||
/* This is a naked function. */
|
||||
|
||||
__asm volatile
|
||||
(
|
||||
" .syntax unified \n"
|
||||
" \n"
|
||||
" mrs r0, psp \n"
|
||||
" \n"
|
||||
" ldr r3, =pxCurrentTCB \n" /* Get the location of the current TCB. */
|
||||
" ldr r2, [r3] \n"
|
||||
" \n"
|
||||
" subs r0, #32 \n" /* Make space for the remaining low registers. */
|
||||
" str r0, [r2] \n" /* Save the new top of stack. */
|
||||
" stmia r0!, {r4-r7} \n" /* Store the low registers that are not saved automatically. */
|
||||
" mov r4, r8 \n" /* Store the high registers. */
|
||||
" mov r5, r9 \n"
|
||||
" mov r6, r10 \n"
|
||||
" mov r7, r11 \n"
|
||||
" stmia r0!, {r4-r7} \n"
|
||||
" \n"
|
||||
" push {r3, r14} \n"
|
||||
" bl vPortSafeTaskSwitchContext \n"
|
||||
" pop {r2, r3} \n" /* lr goes in r3. r2 now holds tcb pointer. */
|
||||
" \n"
|
||||
" ldr r1, [r2] \n"
|
||||
" ldr r0, [r1] \n" /* The first item in pxCurrentTCB is the task top of stack. */
|
||||
" adds r0, #16 \n" /* Move to the high registers. */
|
||||
" ldmia r0!, {r4-r7} \n" /* Pop the high registers. */
|
||||
" mov r8, r4 \n"
|
||||
" mov r9, r5 \n"
|
||||
" mov r10, r6 \n"
|
||||
" mov r11, r7 \n"
|
||||
" \n"
|
||||
" msr psp, r0 \n" /* Remember the new top of stack for the task. */
|
||||
" \n"
|
||||
" subs r0, #32 \n" /* Go back for the low registers that are not automatically restored. */
|
||||
" ldmia r0!, {r4-r7} \n" /* Pop low registers. */
|
||||
" \n"
|
||||
" bx r3 \n"
|
||||
" \n"
|
||||
" .align 2 \n"
|
||||
);
|
||||
}
|
||||
77
external/freertos/portable/GCC/nrf51/portmacro.h
vendored
Normal file
77
external/freertos/portable/GCC/nrf51/portmacro.h
vendored
Normal file
@@ -0,0 +1,77 @@
|
||||
/*
|
||||
FreeRTOS V8.2.1 - Copyright (C) 2015 Real Time Engineers Ltd.
|
||||
All rights reserved
|
||||
|
||||
VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
|
||||
|
||||
This file is part of the FreeRTOS distribution.
|
||||
|
||||
FreeRTOS is free software; you can redistribute it and/or modify it under
|
||||
the terms of the GNU General Public License (version 2) as published by the
|
||||
Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.
|
||||
|
||||
***************************************************************************
|
||||
>>! NOTE: The modification to the GPL is included to allow you to !<<
|
||||
>>! distribute a combined work that includes FreeRTOS without being !<<
|
||||
>>! obliged to provide the source code for proprietary components !<<
|
||||
>>! outside of the FreeRTOS kernel. !<<
|
||||
***************************************************************************
|
||||
|
||||
FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
|
||||
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
|
||||
FOR A PARTICULAR PURPOSE. Full license text is available on the following
|
||||
link: http://www.freertos.org/a00114.html
|
||||
|
||||
***************************************************************************
|
||||
* *
|
||||
* FreeRTOS provides completely free yet professionally developed, *
|
||||
* robust, strictly quality controlled, supported, and cross *
|
||||
* platform software that is more than just the market leader, it *
|
||||
* is the industry's de facto standard. *
|
||||
* *
|
||||
* Help yourself get started quickly while simultaneously helping *
|
||||
* to support the FreeRTOS project by purchasing a FreeRTOS *
|
||||
* tutorial book, reference manual, or both: *
|
||||
* http://www.FreeRTOS.org/Documentation *
|
||||
* *
|
||||
***************************************************************************
|
||||
|
||||
http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading
|
||||
the FAQ page "My application does not run, what could be wrong?". Have you
|
||||
defined configASSERT()?
|
||||
|
||||
http://www.FreeRTOS.org/support - In return for receiving this top quality
|
||||
embedded software for free we request you assist our global community by
|
||||
participating in the support forum.
|
||||
|
||||
http://www.FreeRTOS.org/training - Investing in training allows your team to
|
||||
be as productive as possible as early as possible. Now you can receive
|
||||
FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers
|
||||
Ltd, and the world's leading authority on the world's leading RTOS.
|
||||
|
||||
http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
|
||||
including FreeRTOS+Trace - an indispensable productivity tool, a DOS
|
||||
compatible FAT file system, and our tiny thread aware UDP/IP stack.
|
||||
|
||||
http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.
|
||||
Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.
|
||||
|
||||
http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High
|
||||
Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS
|
||||
licenses offer ticketed support, indemnification and commercial middleware.
|
||||
|
||||
http://www.SafeRTOS.com - High Integrity Systems also provide a safety
|
||||
engineered and independently SIL3 certified version for use in safety and
|
||||
mission critical applications that require provable dependability.
|
||||
|
||||
1 tab == 4 spaces!
|
||||
*/
|
||||
|
||||
|
||||
#ifndef PORTMACRO_H
|
||||
#define PORTMACRO_H
|
||||
|
||||
#include "portmacro_cmsis.h"
|
||||
|
||||
#endif /* PORTMACRO_H */
|
||||
|
||||
185
external/freertos/portable/GCC/nrf52/port.c
vendored
Normal file
185
external/freertos/portable/GCC/nrf52/port.c
vendored
Normal file
@@ -0,0 +1,185 @@
|
||||
/*
|
||||
FreeRTOS V8.2.1 - Copyright (C) 2015 Real Time Engineers Ltd.
|
||||
All rights reserved
|
||||
|
||||
VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
|
||||
|
||||
This file is part of the FreeRTOS distribution.
|
||||
|
||||
FreeRTOS is free software; you can redistribute it and/or modify it under
|
||||
the terms of the GNU General Public License (version 2) as published by the
|
||||
Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.
|
||||
|
||||
***************************************************************************
|
||||
>>! NOTE: The modification to the GPL is included to allow you to !<<
|
||||
>>! distribute a combined work that includes FreeRTOS without being !<<
|
||||
>>! obliged to provide the source code for proprietary components !<<
|
||||
>>! outside of the FreeRTOS kernel. !<<
|
||||
***************************************************************************
|
||||
|
||||
FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
|
||||
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
|
||||
FOR A PARTICULAR PURPOSE. Full license text is available on the following
|
||||
link: http://www.freertos.org/a00114.html
|
||||
|
||||
***************************************************************************
|
||||
* *
|
||||
* FreeRTOS provides completely free yet professionally developed, *
|
||||
* robust, strictly quality controlled, supported, and cross *
|
||||
* platform software that is more than just the market leader, it *
|
||||
* is the industry's de facto standard. *
|
||||
* *
|
||||
* Help yourself get started quickly while simultaneously helping *
|
||||
* to support the FreeRTOS project by purchasing a FreeRTOS *
|
||||
* tutorial book, reference manual, or both: *
|
||||
* http://www.FreeRTOS.org/Documentation *
|
||||
* *
|
||||
***************************************************************************
|
||||
|
||||
http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading
|
||||
the FAQ page "My application does not run, what could be wrong?". Have you
|
||||
defined configASSERT()?
|
||||
|
||||
http://www.FreeRTOS.org/support - In return for receiving this top quality
|
||||
embedded software for free we request you assist our global community by
|
||||
participating in the support forum.
|
||||
|
||||
http://www.FreeRTOS.org/training - Investing in training allows your team to
|
||||
be as productive as possible as early as possible. Now you can receive
|
||||
FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers
|
||||
Ltd, and the world's leading authority on the world's leading RTOS.
|
||||
|
||||
http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
|
||||
including FreeRTOS+Trace - an indispensable productivity tool, a DOS
|
||||
compatible FAT file system, and our tiny thread aware UDP/IP stack.
|
||||
|
||||
http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.
|
||||
Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.
|
||||
|
||||
http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High
|
||||
Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS
|
||||
licenses offer ticketed support, indemnification and commercial middleware.
|
||||
|
||||
http://www.SafeRTOS.com - High Integrity Systems also provide a safety
|
||||
engineered and independently SIL3 certified version for use in safety and
|
||||
mission critical applications that require provable dependability.
|
||||
|
||||
1 tab == 4 spaces!
|
||||
*/
|
||||
|
||||
/*-----------------------------------------------------------
|
||||
* Implementation of functions defined in portable.h for the ARM CM4F port.
|
||||
*----------------------------------------------------------*/
|
||||
|
||||
/* Scheduler includes. */
|
||||
#include "FreeRTOS.h"
|
||||
#include "task.h"
|
||||
|
||||
/*
|
||||
* Start first task is a separate function so it can be tested in isolation.
|
||||
*/
|
||||
void vPortStartFirstTask( void ) __attribute__ (( naked ));
|
||||
|
||||
/*
|
||||
* Exception handlers.
|
||||
*/
|
||||
void vPortSVCHandler( void ) __attribute__ (( naked ));
|
||||
void xPortPendSVHandler( void ) __attribute__ (( naked ));
|
||||
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
void vPortStartFirstTask( void )
|
||||
{
|
||||
__asm volatile(
|
||||
" ldr r0, =__isr_vector \n" /* Locate the stack using __isr_vector table. */
|
||||
" ldr r0, [r0] \n"
|
||||
" msr msp, r0 \n" /* Set the msp back to the start of the stack. */
|
||||
" cpsie i \n" /* Globally enable interrupts. */
|
||||
" cpsie f \n"
|
||||
" dsb \n"
|
||||
" isb \n"
|
||||
#ifdef SOFTDEVICE_PRESENT
|
||||
/* Block kernel interrupts only (PendSV) before calling SVC */
|
||||
" mov r0, %0 \n"
|
||||
" msr basepri, r0 \n"
|
||||
#endif
|
||||
" svc 0 \n" /* System call to start first task. */
|
||||
" \n"
|
||||
" .align 2 \n"
|
||||
#ifdef SOFTDEVICE_PRESENT
|
||||
::"i"(configKERNEL_INTERRUPT_PRIORITY << (8 - configPRIO_BITS))
|
||||
#endif
|
||||
);
|
||||
}
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
void vPortSVCHandler( void )
|
||||
{
|
||||
__asm volatile (
|
||||
" ldr r3, =pxCurrentTCB \n" /* Restore the context. */
|
||||
" ldr r1, [r3] \n" /* Use pxCurrentTCBConst to get the pxCurrentTCB address. */
|
||||
" ldr r0, [r1] \n" /* The first item in pxCurrentTCB is the task top of stack. */
|
||||
" ldmia r0!, {r4-r11, r14} \n" /* Pop the registers that are not automatically saved on exception entry and the critical nesting count. */
|
||||
" msr psp, r0 \n" /* Restore the task stack pointer. */
|
||||
" isb \n"
|
||||
" mov r0, #0 \n"
|
||||
" msr basepri, r0 \n"
|
||||
" bx r14 \n"
|
||||
" \n"
|
||||
" .align 2 \n"
|
||||
);
|
||||
}
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
void xPortPendSVHandler( void )
|
||||
{
|
||||
/* This is a naked function. */
|
||||
|
||||
__asm volatile
|
||||
(
|
||||
" mrs r0, psp \n"
|
||||
" isb \n"
|
||||
" \n"
|
||||
" ldr r3, =pxCurrentTCB \n" /* Get the location of the current TCB. */
|
||||
" ldr r2, [r3] \n"
|
||||
" \n"
|
||||
" tst r14, #0x10 \n" /* Is the task using the FPU context? If so, push high vfp registers. */
|
||||
" it eq \n"
|
||||
" vstmdbeq r0!, {s16-s31} \n"
|
||||
" \n"
|
||||
" stmdb r0!, {r4-r11, r14} \n" /* Save the core registers. */
|
||||
" \n"
|
||||
" str r0, [r2] \n" /* Save the new top of stack into the first member of the TCB. */
|
||||
" \n"
|
||||
" stmdb sp!, {r3} \n"
|
||||
" mov r0, %0 \n"
|
||||
" msr basepri, r0 \n"
|
||||
" dsb \n"
|
||||
" isb \n"
|
||||
" bl vTaskSwitchContext \n"
|
||||
" mov r0, #0 \n"
|
||||
" msr basepri, r0 \n"
|
||||
" ldmia sp!, {r3} \n"
|
||||
" \n"
|
||||
" ldr r1, [r3] \n" /* The first item in pxCurrentTCB is the task top of stack. */
|
||||
" ldr r0, [r1] \n"
|
||||
" \n"
|
||||
" ldmia r0!, {r4-r11, r14} \n" /* Pop the core registers. */
|
||||
" \n"
|
||||
" tst r14, #0x10 \n" /* Is the task using the FPU context? If so, pop the high vfp registers too. */
|
||||
" it eq \n"
|
||||
" vldmiaeq r0!, {s16-s31} \n"
|
||||
" \n"
|
||||
" msr psp, r0 \n"
|
||||
" isb \n"
|
||||
" \n"
|
||||
" \n"
|
||||
" bx r14 \n"
|
||||
" \n"
|
||||
" .align 2 \n"
|
||||
::"i"(configMAX_SYSCALL_INTERRUPT_PRIORITY << (8 - configPRIO_BITS))
|
||||
);
|
||||
}
|
||||
77
external/freertos/portable/GCC/nrf52/portmacro.h
vendored
Normal file
77
external/freertos/portable/GCC/nrf52/portmacro.h
vendored
Normal file
@@ -0,0 +1,77 @@
|
||||
/*
|
||||
FreeRTOS V8.2.1 - Copyright (C) 2015 Real Time Engineers Ltd.
|
||||
All rights reserved
|
||||
|
||||
VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
|
||||
|
||||
This file is part of the FreeRTOS distribution.
|
||||
|
||||
FreeRTOS is free software; you can redistribute it and/or modify it under
|
||||
the terms of the GNU General Public License (version 2) as published by the
|
||||
Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.
|
||||
|
||||
***************************************************************************
|
||||
>>! NOTE: The modification to the GPL is included to allow you to !<<
|
||||
>>! distribute a combined work that includes FreeRTOS without being !<<
|
||||
>>! obliged to provide the source code for proprietary components !<<
|
||||
>>! outside of the FreeRTOS kernel. !<<
|
||||
***************************************************************************
|
||||
|
||||
FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
|
||||
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
|
||||
FOR A PARTICULAR PURPOSE. Full license text is available on the following
|
||||
link: http://www.freertos.org/a00114.html
|
||||
|
||||
***************************************************************************
|
||||
* *
|
||||
* FreeRTOS provides completely free yet professionally developed, *
|
||||
* robust, strictly quality controlled, supported, and cross *
|
||||
* platform software that is more than just the market leader, it *
|
||||
* is the industry's de facto standard. *
|
||||
* *
|
||||
* Help yourself get started quickly while simultaneously helping *
|
||||
* to support the FreeRTOS project by purchasing a FreeRTOS *
|
||||
* tutorial book, reference manual, or both: *
|
||||
* http://www.FreeRTOS.org/Documentation *
|
||||
* *
|
||||
***************************************************************************
|
||||
|
||||
http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading
|
||||
the FAQ page "My application does not run, what could be wrong?". Have you
|
||||
defined configASSERT()?
|
||||
|
||||
http://www.FreeRTOS.org/support - In return for receiving this top quality
|
||||
embedded software for free we request you assist our global community by
|
||||
participating in the support forum.
|
||||
|
||||
http://www.FreeRTOS.org/training - Investing in training allows your team to
|
||||
be as productive as possible as early as possible. Now you can receive
|
||||
FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers
|
||||
Ltd, and the world's leading authority on the world's leading RTOS.
|
||||
|
||||
http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
|
||||
including FreeRTOS+Trace - an indispensable productivity tool, a DOS
|
||||
compatible FAT file system, and our tiny thread aware UDP/IP stack.
|
||||
|
||||
http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.
|
||||
Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.
|
||||
|
||||
http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High
|
||||
Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS
|
||||
licenses offer ticketed support, indemnification and commercial middleware.
|
||||
|
||||
http://www.SafeRTOS.com - High Integrity Systems also provide a safety
|
||||
engineered and independently SIL3 certified version for use in safety and
|
||||
mission critical applications that require provable dependability.
|
||||
|
||||
1 tab == 4 spaces!
|
||||
*/
|
||||
|
||||
|
||||
#ifndef PORTMACRO_H
|
||||
#define PORTMACRO_H
|
||||
|
||||
#include "portmacro_cmsis.h"
|
||||
|
||||
#endif /* PORTMACRO_H */
|
||||
|
||||
189
external/freertos/portable/IAR/nrf51/port.c
vendored
Normal file
189
external/freertos/portable/IAR/nrf51/port.c
vendored
Normal file
@@ -0,0 +1,189 @@
|
||||
/*
|
||||
FreeRTOS V8.2.1 - Copyright (C) 2015 Real Time Engineers Ltd.
|
||||
All rights reserved
|
||||
|
||||
VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
|
||||
|
||||
This file is part of the FreeRTOS distribution.
|
||||
|
||||
FreeRTOS is free software; you can redistribute it and/or modify it under
|
||||
the terms of the GNU General Public License (version 2) as published by the
|
||||
Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.
|
||||
|
||||
***************************************************************************
|
||||
>>! NOTE: The modification to the GPL is included to allow you to !<<
|
||||
>>! distribute a combined work that includes FreeRTOS without being !<<
|
||||
>>! obliged to provide the source code for proprietary components !<<
|
||||
>>! outside of the FreeRTOS kernel. !<<
|
||||
***************************************************************************
|
||||
|
||||
FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
|
||||
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
|
||||
FOR A PARTICULAR PURPOSE. Full license text is available on the following
|
||||
link: http://www.freertos.org/a00114.html
|
||||
|
||||
***************************************************************************
|
||||
* *
|
||||
* FreeRTOS provides completely free yet professionally developed, *
|
||||
* robust, strictly quality controlled, supported, and cross *
|
||||
* platform software that is more than just the market leader, it *
|
||||
* is the industry's de facto standard. *
|
||||
* *
|
||||
* Help yourself get started quickly while simultaneously helping *
|
||||
* to support the FreeRTOS project by purchasing a FreeRTOS *
|
||||
* tutorial book, reference manual, or both: *
|
||||
* http://www.FreeRTOS.org/Documentation *
|
||||
* *
|
||||
***************************************************************************
|
||||
|
||||
http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading
|
||||
the FAQ page "My application does not run, what could be wrong?". Have you
|
||||
defined configASSERT()?
|
||||
|
||||
http://www.FreeRTOS.org/support - In return for receiving this top quality
|
||||
embedded software for free we request you assist our global community by
|
||||
participating in the support forum.
|
||||
|
||||
http://www.FreeRTOS.org/training - Investing in training allows your team to
|
||||
be as productive as possible as early as possible. Now you can receive
|
||||
FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers
|
||||
Ltd, and the world's leading authority on the world's leading RTOS.
|
||||
|
||||
http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
|
||||
including FreeRTOS+Trace - an indispensable productivity tool, a DOS
|
||||
compatible FAT file system, and our tiny thread aware UDP/IP stack.
|
||||
|
||||
http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.
|
||||
Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.
|
||||
|
||||
http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High
|
||||
Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS
|
||||
licenses offer ticketed support, indemnification and commercial middleware.
|
||||
|
||||
http://www.SafeRTOS.com - High Integrity Systems also provide a safety
|
||||
engineered and independently SIL3 certified version for use in safety and
|
||||
mission critical applications that require provable dependability.
|
||||
|
||||
1 tab == 4 spaces!
|
||||
*/
|
||||
|
||||
/*-----------------------------------------------------------
|
||||
* Implementation of functions defined in portable.h for the ARM CM4F port.
|
||||
*----------------------------------------------------------*/
|
||||
|
||||
/* Scheduler includes. */
|
||||
#include "FreeRTOS.h"
|
||||
#include "task.h"
|
||||
|
||||
/*
|
||||
* Start first task is a separate function so it can be tested in isolation.
|
||||
*/
|
||||
__stackless void vPortStartFirstTask( void );
|
||||
|
||||
/*
|
||||
* Exception handlers.
|
||||
*/
|
||||
void vPortSVCHandler( void );
|
||||
__stackless void xPortPendSVHandler( void );
|
||||
|
||||
/*
|
||||
* The real object type has no meaning here - we would just use its addresses inside assembly
|
||||
*/
|
||||
extern uint32_t __Vectors;
|
||||
extern uint32_t pxCurrentTCB;
|
||||
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
__stackless void vPortStartFirstTask( void )
|
||||
{
|
||||
__asm volatile(
|
||||
" ldr r0, 1f \n" /* Use the NVIC offset register to locate the stack. */
|
||||
" ldr r0, [r0] \n"
|
||||
" msr msp, r0 \n" /* Set the msp back to the start of the stack. */
|
||||
" \n"
|
||||
" ldr r3, 2f \n" /* Obtain location of pxCurrentTCB. */
|
||||
" ldr r1, [r3] \n"
|
||||
" ldr r0, [r1] \n" /* The first item in pxCurrentTCB is the task top of stack. */
|
||||
" adds r0, #32 \n" /* Discard everything up to r0 */
|
||||
" msr psp, r0 \n" /* This is now the new top of stack to use in the task. */
|
||||
" movs r0, #2 \n" /* Switch to the psp stack. */
|
||||
" msr CONTROL, r0 \n"
|
||||
" pop {r0-r5} \n" /* Pop the registers that are saved automatically. */
|
||||
" mov lr, r5 \n" /* lr is now in r5. */
|
||||
" cpsie i \n" /* The first task has its context and interrupts can be enabled. */
|
||||
" pop {pc} \n" /* Finally, pop the PC to jump to the user defined task code. */
|
||||
" \n"
|
||||
" nop \n" /* Manual alignment of the label below */
|
||||
"DATA \n"
|
||||
"1: \n"
|
||||
" DC32 %c0 \n"
|
||||
"2: \n"
|
||||
" DC32 %c1 \n"
|
||||
: /* Outputs */
|
||||
: /* Inputs */
|
||||
"i"(&__Vectors),
|
||||
"i"(&pxCurrentTCB)
|
||||
);
|
||||
}
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
void vPortSVCHandler( void )
|
||||
{
|
||||
/* This function is no longer used, but retained for backward
|
||||
compatibility. */
|
||||
}
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
__stackless void xPortPendSVHandler( void )
|
||||
{
|
||||
/* This is a naked function. */
|
||||
|
||||
__asm volatile
|
||||
(
|
||||
" mrs r0, psp \n"
|
||||
" \n"
|
||||
" ldr r3, 1f \n" /* Get the location of the current TCB. */
|
||||
" ldr r2, [r3] \n"
|
||||
" \n"
|
||||
" subs r0, #32 \n" /* Make space for the remaining low registers. */
|
||||
" str r0, [r2] \n" /* Save the new top of stack. */
|
||||
" stmia r0!, {r4-r7} \n" /* Store the low registers that are not saved automatically. */
|
||||
" mov r4, r8 \n" /* Store the high registers. */
|
||||
" mov r5, r9 \n"
|
||||
" mov r6, r10 \n"
|
||||
" mov r7, r11 \n"
|
||||
" stmia r0!, {r4-r7} \n"
|
||||
" \n"
|
||||
" push {r3, r14} \n"
|
||||
" bl %c1 \n"
|
||||
" pop {r2, r3} \n" /* lr goes in r3. r2 now holds tcb pointer. */
|
||||
" \n"
|
||||
" ldr r1, [r2] \n"
|
||||
" ldr r0, [r1] \n" /* The first item in pxCurrentTCB is the task top of stack. */
|
||||
" adds r0, #16 \n" /* Move to the high registers. */
|
||||
" ldmia r0!, {r4-r7} \n" /* Pop the high registers. */
|
||||
" mov r8, r4 \n"
|
||||
" mov r9, r5 \n"
|
||||
" mov r10, r6 \n"
|
||||
" mov r11, r7 \n"
|
||||
" \n"
|
||||
" msr psp, r0 \n" /* Remember the new top of stack for the task. */
|
||||
" \n"
|
||||
" subs r0, #32 \n" /* Go back for the low registers that are not automatically restored. */
|
||||
" ldmia r0!, {r4-r7} \n" /* Pop low registers. */
|
||||
" \n"
|
||||
" bx r3 \n"
|
||||
" \n"
|
||||
" nop \n" /* Manual alignment of the label below */
|
||||
"DATA \n"
|
||||
"1: \n"
|
||||
" DC32 %c0 \n"
|
||||
: /* Outputs */
|
||||
: /* Inputs */
|
||||
"i"(&pxCurrentTCB),
|
||||
"i"(&vTaskSwitchContext)
|
||||
);
|
||||
}
|
||||
82
external/freertos/portable/IAR/nrf51/portmacro.h
vendored
Normal file
82
external/freertos/portable/IAR/nrf51/portmacro.h
vendored
Normal file
@@ -0,0 +1,82 @@
|
||||
/*
|
||||
FreeRTOS V8.2.1 - Copyright (C) 2015 Real Time Engineers Ltd.
|
||||
All rights reserved
|
||||
|
||||
VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
|
||||
|
||||
This file is part of the FreeRTOS distribution.
|
||||
|
||||
FreeRTOS is free software; you can redistribute it and/or modify it under
|
||||
the terms of the GNU General Public License (version 2) as published by the
|
||||
Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.
|
||||
|
||||
***************************************************************************
|
||||
>>! NOTE: The modification to the GPL is included to allow you to !<<
|
||||
>>! distribute a combined work that includes FreeRTOS without being !<<
|
||||
>>! obliged to provide the source code for proprietary components !<<
|
||||
>>! outside of the FreeRTOS kernel. !<<
|
||||
***************************************************************************
|
||||
|
||||
FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
|
||||
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
|
||||
FOR A PARTICULAR PURPOSE. Full license text is available on the following
|
||||
link: http://www.freertos.org/a00114.html
|
||||
|
||||
***************************************************************************
|
||||
* *
|
||||
* FreeRTOS provides completely free yet professionally developed, *
|
||||
* robust, strictly quality controlled, supported, and cross *
|
||||
* platform software that is more than just the market leader, it *
|
||||
* is the industry's de facto standard. *
|
||||
* *
|
||||
* Help yourself get started quickly while simultaneously helping *
|
||||
* to support the FreeRTOS project by purchasing a FreeRTOS *
|
||||
* tutorial book, reference manual, or both: *
|
||||
* http://www.FreeRTOS.org/Documentation *
|
||||
* *
|
||||
***************************************************************************
|
||||
|
||||
http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading
|
||||
the FAQ page "My application does not run, what could be wrong?". Have you
|
||||
defined configASSERT()?
|
||||
|
||||
http://www.FreeRTOS.org/support - In return for receiving this top quality
|
||||
embedded software for free we request you assist our global community by
|
||||
participating in the support forum.
|
||||
|
||||
http://www.FreeRTOS.org/training - Investing in training allows your team to
|
||||
be as productive as possible as early as possible. Now you can receive
|
||||
FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers
|
||||
Ltd, and the world's leading authority on the world's leading RTOS.
|
||||
|
||||
http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
|
||||
including FreeRTOS+Trace - an indispensable productivity tool, a DOS
|
||||
compatible FAT file system, and our tiny thread aware UDP/IP stack.
|
||||
|
||||
http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.
|
||||
Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.
|
||||
|
||||
http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High
|
||||
Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS
|
||||
licenses offer ticketed support, indemnification and commercial middleware.
|
||||
|
||||
http://www.SafeRTOS.com - High Integrity Systems also provide a safety
|
||||
engineered and independently SIL3 certified version for use in safety and
|
||||
mission critical applications that require provable dependability.
|
||||
|
||||
1 tab == 4 spaces!
|
||||
*/
|
||||
|
||||
#ifndef PORTMACRO_H
|
||||
#define PORTMACRO_H
|
||||
|
||||
#include "portmacro_cmsis.h"
|
||||
|
||||
/* Suppress warnings that are generated by the IAR tools, but cannot be fixed in
|
||||
the source code because to do so would cause other compilers to generate
|
||||
warnings. */
|
||||
#pragma diag_suppress=Pe191
|
||||
#pragma diag_suppress=Pa082
|
||||
|
||||
#endif /* PORTMACRO_H */
|
||||
|
||||
209
external/freertos/portable/IAR/nrf52/port.c
vendored
Normal file
209
external/freertos/portable/IAR/nrf52/port.c
vendored
Normal file
@@ -0,0 +1,209 @@
|
||||
/*
|
||||
FreeRTOS V8.2.1 - Copyright (C) 2015 Real Time Engineers Ltd.
|
||||
All rights reserved
|
||||
|
||||
VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
|
||||
|
||||
This file is part of the FreeRTOS distribution.
|
||||
|
||||
FreeRTOS is free software; you can redistribute it and/or modify it under
|
||||
the terms of the GNU General Public License (version 2) as published by the
|
||||
Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.
|
||||
|
||||
***************************************************************************
|
||||
>>! NOTE: The modification to the GPL is included to allow you to !<<
|
||||
>>! distribute a combined work that includes FreeRTOS without being !<<
|
||||
>>! obliged to provide the source code for proprietary components !<<
|
||||
>>! outside of the FreeRTOS kernel. !<<
|
||||
***************************************************************************
|
||||
|
||||
FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
|
||||
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
|
||||
FOR A PARTICULAR PURPOSE. Full license text is available on the following
|
||||
link: http://www.freertos.org/a00114.html
|
||||
|
||||
***************************************************************************
|
||||
* *
|
||||
* FreeRTOS provides completely free yet professionally developed, *
|
||||
* robust, strictly quality controlled, supported, and cross *
|
||||
* platform software that is more than just the market leader, it *
|
||||
* is the industry's de facto standard. *
|
||||
* *
|
||||
* Help yourself get started quickly while simultaneously helping *
|
||||
* to support the FreeRTOS project by purchasing a FreeRTOS *
|
||||
* tutorial book, reference manual, or both: *
|
||||
* http://www.FreeRTOS.org/Documentation *
|
||||
* *
|
||||
***************************************************************************
|
||||
|
||||
http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading
|
||||
the FAQ page "My application does not run, what could be wrong?". Have you
|
||||
defined configASSERT()?
|
||||
|
||||
http://www.FreeRTOS.org/support - In return for receiving this top quality
|
||||
embedded software for free we request you assist our global community by
|
||||
participating in the support forum.
|
||||
|
||||
http://www.FreeRTOS.org/training - Investing in training allows your team to
|
||||
be as productive as possible as early as possible. Now you can receive
|
||||
FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers
|
||||
Ltd, and the world's leading authority on the world's leading RTOS.
|
||||
|
||||
http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
|
||||
including FreeRTOS+Trace - an indispensable productivity tool, a DOS
|
||||
compatible FAT file system, and our tiny thread aware UDP/IP stack.
|
||||
|
||||
http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.
|
||||
Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.
|
||||
|
||||
http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High
|
||||
Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS
|
||||
licenses offer ticketed support, indemnification and commercial middleware.
|
||||
|
||||
http://www.SafeRTOS.com - High Integrity Systems also provide a safety
|
||||
engineered and independently SIL3 certified version for use in safety and
|
||||
mission critical applications that require provable dependability.
|
||||
|
||||
1 tab == 4 spaces!
|
||||
*/
|
||||
|
||||
/*-----------------------------------------------------------
|
||||
* Implementation of functions defined in portable.h for the ARM CM4F port.
|
||||
*----------------------------------------------------------*/
|
||||
|
||||
/* Scheduler includes. */
|
||||
#include "FreeRTOS.h"
|
||||
#include "task.h"
|
||||
|
||||
/*
|
||||
* Start first task is a separate function so it can be tested in isolation.
|
||||
*/
|
||||
__stackless void vPortStartFirstTask( void );
|
||||
|
||||
/*
|
||||
* Exception handlers.
|
||||
*/
|
||||
__stackless void vPortSVCHandler( void );
|
||||
__stackless void xPortPendSVHandler( void );
|
||||
|
||||
|
||||
extern uint32_t __Vectors;
|
||||
extern uint32_t pxCurrentTCB;
|
||||
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
__stackless void vPortStartFirstTask( void )
|
||||
{
|
||||
__asm volatile(
|
||||
" ldr.n r0, 1f \n" /* Locate the stack using __Vectors table. */
|
||||
" ldr r0, [r0] \n"
|
||||
" msr msp, r0 \n" /* Set the msp back to the start of the stack. */
|
||||
" cpsie i \n" /* Globally enable interrupts. */
|
||||
" cpsie f \n"
|
||||
" dsb \n"
|
||||
" isb \n"
|
||||
#ifdef SOFTDEVICE_PRESENT
|
||||
/* Block kernel interrupts only (PendSV) before calling SVC */
|
||||
" mov r0, %1 \n"
|
||||
" msr basepri, r0 \n"
|
||||
#endif
|
||||
" svc 0 \n" /* System call to start first task. */
|
||||
" \n"
|
||||
" nop \n" /* Manual alignment of the label below */
|
||||
"DATA \n"
|
||||
"1: \n"
|
||||
" DC32 %c0 \n"
|
||||
: /* Outputs */
|
||||
: /* Inputs */
|
||||
"i"(&__Vectors)
|
||||
#ifdef SOFTDEVICE_PRESENT
|
||||
,
|
||||
"i"(configKERNEL_INTERRUPT_PRIORITY << (8 - configPRIO_BITS))
|
||||
#endif
|
||||
);
|
||||
}
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
__stackless void vPortSVCHandler( void )
|
||||
{
|
||||
__asm volatile (
|
||||
" ldr.n r3, 1f \n" /* Restore the context. */
|
||||
" ldr r1, [r3] \n" /* Use pxCurrentTCBConst to get the pxCurrentTCB address. */
|
||||
" ldr r0, [r1] \n" /* The first item in pxCurrentTCB is the task top of stack. */
|
||||
" ldmia r0!, {r4-r11, r14} \n" /* Pop the registers that are not automatically saved on exception entry and the critical nesting count. */
|
||||
" msr psp, r0 \n" /* Restore the task stack pointer. */
|
||||
" isb \n"
|
||||
" mov r0, #0 \n"
|
||||
" msr basepri, r0 \n"
|
||||
" bx r14 \n"
|
||||
" \n"
|
||||
" \n" /* Manual alignment of the label below */
|
||||
"DATA \n"
|
||||
"1: \n"
|
||||
" DC32 %c0 \n"
|
||||
: /* Outputs */
|
||||
: /* Inputs */
|
||||
"i"(&pxCurrentTCB)
|
||||
);
|
||||
}
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
__stackless void xPortPendSVHandler( void )
|
||||
{
|
||||
/* This is a naked function. */
|
||||
|
||||
__asm volatile
|
||||
(
|
||||
" mrs r0, psp \n"
|
||||
" isb \n"
|
||||
" \n"
|
||||
" ldr.n r3, 1f \n" /* Get the location of the current TCB. */
|
||||
" ldr r2, [r3] \n"
|
||||
" \n"
|
||||
" tst r14, #0x10 \n" /* Is the task using the FPU context? If so, push high vfp registers. */
|
||||
" it eq \n"
|
||||
" vstmdbeq r0!, {s16-s31} \n"
|
||||
" \n"
|
||||
" stmdb r0!, {r4-r11, r14} \n" /* Save the core registers. */
|
||||
" \n"
|
||||
" str r0, [r2] \n" /* Save the new top of stack into the first member of the TCB. */
|
||||
" \n"
|
||||
" stmdb sp!, {r3} \n"
|
||||
" mov r0, %0 \n"
|
||||
" msr basepri, r0 \n"
|
||||
" dsb \n"
|
||||
" isb \n"
|
||||
" bl %c2 \n"
|
||||
" mov r0, #0 \n"
|
||||
" msr basepri, r0 \n"
|
||||
" ldmia sp!, {r3} \n"
|
||||
" \n"
|
||||
" ldr r1, [r3] \n" /* The first item in pxCurrentTCB is the task top of stack. */
|
||||
" ldr r0, [r1] \n"
|
||||
" \n"
|
||||
" ldmia r0!, {r4-r11, r14} \n" /* Pop the core registers. */
|
||||
" \n"
|
||||
" tst r14, #0x10 \n" /* Is the task using the FPU context? If so, pop the high vfp registers too. */
|
||||
" it eq \n"
|
||||
" vldmiaeq r0!, {s16-s31} \n"
|
||||
" \n"
|
||||
" msr psp, r0 \n"
|
||||
" isb \n"
|
||||
" \n"
|
||||
" \n"
|
||||
" bx r14 \n"
|
||||
" \n"
|
||||
" \n" /* Manual alignment of the label below */
|
||||
"DATA \n"
|
||||
"1: \n"
|
||||
" DC32 %c1 \n"
|
||||
: /* Outputs */
|
||||
: /* Inputs */
|
||||
"i"(configMAX_SYSCALL_INTERRUPT_PRIORITY << (8 - configPRIO_BITS)),
|
||||
"i"(&pxCurrentTCB),
|
||||
"i"(&vTaskSwitchContext)
|
||||
);
|
||||
}
|
||||
82
external/freertos/portable/IAR/nrf52/portmacro.h
vendored
Normal file
82
external/freertos/portable/IAR/nrf52/portmacro.h
vendored
Normal file
@@ -0,0 +1,82 @@
|
||||
/*
|
||||
FreeRTOS V8.2.1 - Copyright (C) 2015 Real Time Engineers Ltd.
|
||||
All rights reserved
|
||||
|
||||
VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
|
||||
|
||||
This file is part of the FreeRTOS distribution.
|
||||
|
||||
FreeRTOS is free software; you can redistribute it and/or modify it under
|
||||
the terms of the GNU General Public License (version 2) as published by the
|
||||
Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.
|
||||
|
||||
***************************************************************************
|
||||
>>! NOTE: The modification to the GPL is included to allow you to !<<
|
||||
>>! distribute a combined work that includes FreeRTOS without being !<<
|
||||
>>! obliged to provide the source code for proprietary components !<<
|
||||
>>! outside of the FreeRTOS kernel. !<<
|
||||
***************************************************************************
|
||||
|
||||
FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
|
||||
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
|
||||
FOR A PARTICULAR PURPOSE. Full license text is available on the following
|
||||
link: http://www.freertos.org/a00114.html
|
||||
|
||||
***************************************************************************
|
||||
* *
|
||||
* FreeRTOS provides completely free yet professionally developed, *
|
||||
* robust, strictly quality controlled, supported, and cross *
|
||||
* platform software that is more than just the market leader, it *
|
||||
* is the industry's de facto standard. *
|
||||
* *
|
||||
* Help yourself get started quickly while simultaneously helping *
|
||||
* to support the FreeRTOS project by purchasing a FreeRTOS *
|
||||
* tutorial book, reference manual, or both: *
|
||||
* http://www.FreeRTOS.org/Documentation *
|
||||
* *
|
||||
***************************************************************************
|
||||
|
||||
http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading
|
||||
the FAQ page "My application does not run, what could be wrong?". Have you
|
||||
defined configASSERT()?
|
||||
|
||||
http://www.FreeRTOS.org/support - In return for receiving this top quality
|
||||
embedded software for free we request you assist our global community by
|
||||
participating in the support forum.
|
||||
|
||||
http://www.FreeRTOS.org/training - Investing in training allows your team to
|
||||
be as productive as possible as early as possible. Now you can receive
|
||||
FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers
|
||||
Ltd, and the world's leading authority on the world's leading RTOS.
|
||||
|
||||
http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
|
||||
including FreeRTOS+Trace - an indispensable productivity tool, a DOS
|
||||
compatible FAT file system, and our tiny thread aware UDP/IP stack.
|
||||
|
||||
http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.
|
||||
Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.
|
||||
|
||||
http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High
|
||||
Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS
|
||||
licenses offer ticketed support, indemnification and commercial middleware.
|
||||
|
||||
http://www.SafeRTOS.com - High Integrity Systems also provide a safety
|
||||
engineered and independently SIL3 certified version for use in safety and
|
||||
mission critical applications that require provable dependability.
|
||||
|
||||
1 tab == 4 spaces!
|
||||
*/
|
||||
|
||||
#ifndef PORTMACRO_H
|
||||
#define PORTMACRO_H
|
||||
|
||||
#include "portmacro_cmsis.h"
|
||||
|
||||
/* Suppress warnings that are generated by the IAR tools, but cannot be fixed in
|
||||
the source code because to do so would cause other compilers to generate
|
||||
warnings. */
|
||||
#pragma diag_suppress=Pe191
|
||||
#pragma diag_suppress=Pa082
|
||||
|
||||
#endif /* PORTMACRO_H */
|
||||
|
||||
Reference in New Issue
Block a user