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move components to SDK dir

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Shuanglei Tao
2025-03-03 09:06:26 +08:00
parent 20d1297e57
commit f4f4c9e60d
1021 changed files with 58 additions and 35059 deletions
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SDK/12.3.0_d7731ad/components/libraries/timer/app_timer_freertos.c Normal file
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/**
* Copyright (c) 2014 - 2017, Nordic Semiconductor ASA
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form, except as embedded into a Nordic
* Semiconductor ASA integrated circuit in a product or a software update for
* such product, must reproduce the above copyright notice, this list of
* conditions and the following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* 4. This software, with or without modification, must only be used with a
* Nordic Semiconductor ASA integrated circuit.
*
* 5. Any software provided in binary form under this license must not be reverse
* engineered, decompiled, modified and/or disassembled.
*
* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#include "sdk_common.h"
#if NRF_MODULE_ENABLED(APP_TIMER)
#include "FreeRTOS.h"
#include "task.h"
#include "timers.h"
#include "app_timer.h"
#include <stdlib.h>
#include <string.h>
#include "nrf.h"
#include "app_error.h"
/* Check if RTC FreeRTOS version is used */
#if configTICK_SOURCE != FREERTOS_USE_RTC
#error app_timer in FreeRTOS variant have to be used with RTC tick source configuration. Default configuration have to be used in other case.
#endif
/**
* @brief Waiting time for the timer queue
*
* Number of system ticks to wait for the timer queue to put the message.
* It is strongly recommended to set this to the value bigger than 1.
* In other case if timer message queue is full - any operation on timer may fail.
* @note
* Timer functions called from interrupt context would never wait.
*/
#define APP_TIMER_WAIT_FOR_QUEUE 2
/**@brief This structure keeps information about osTimer.*/
typedef struct
{
void * argument;
TimerHandle_t osHandle;
app_timer_timeout_handler_t func;
/**
* This member is to make sure that timer function is only called if timer is running.
* FreeRTOS may have timer running even after stop function is called,
* because it processes commands in Timer task and stopping function only puts command into the queue. */
bool active;
}app_timer_info_t;
/**
* @brief Prescaler that was set by the user
*
* In FreeRTOS version of app_timer the prescaler setting is constant and done by the operating system.
* But the application expect the prescaler to be set according to value given in setup and then
* calculate required ticks using this value.
* For compatibility we remember the value set and use it for recalculation of required timer setting.
*/
static uint32_t m_prescaler;
/* Check if freeRTOS timers are activated */
#if configUSE_TIMERS == 0
#error app_timer for freeRTOS requires configUSE_TIMERS option to be activated.
#endif
/* Check if app_timer_t variable type can held our app_timer_info_t structure */
STATIC_ASSERT(sizeof(app_timer_info_t) <= sizeof(app_timer_t));
/**
* @brief Internal callback function for the system timer
*
* Internal function that is called from the system timer.
* It gets our parameter from timer data and sends it to user function.
* @param[in] xTimer Timer handler
*/
static void app_timer_callback(TimerHandle_t xTimer)
{
app_timer_info_t * pinfo = (app_timer_info_t*)(pvTimerGetTimerID(xTimer));
ASSERT(pinfo->osHandle == xTimer);
ASSERT(pinfo->func != NULL);
if (pinfo->active)
pinfo->func(pinfo->argument);
}
uint32_t app_timer_init(uint32_t prescaler,
uint8_t op_queues_size,
void * p_buffer,
app_timer_evt_schedule_func_t evt_schedule_func)
{
UNUSED_PARAMETER(op_queues_size);
UNUSED_PARAMETER(p_buffer);
UNUSED_PARAMETER(evt_schedule_func);
m_prescaler = prescaler + 1;
return NRF_SUCCESS;
}
uint32_t app_timer_create(app_timer_id_t const * p_timer_id,
app_timer_mode_t mode,
app_timer_timeout_handler_t timeout_handler)
{
app_timer_info_t * pinfo = (app_timer_info_t*)(*p_timer_id);
uint32_t err_code = NRF_SUCCESS;
unsigned long timer_mode;
if ((timeout_handler == NULL) || (p_timer_id == NULL))
{
return NRF_ERROR_INVALID_PARAM;
}
if (pinfo->active)
{
return NRF_ERROR_INVALID_STATE;
}
if (pinfo->osHandle == NULL)
{
/* New timer is created */
memset(pinfo, 0, sizeof(app_timer_info_t));
if (mode == APP_TIMER_MODE_SINGLE_SHOT)
timer_mode = pdFALSE;
else
timer_mode = pdTRUE;
pinfo->func = timeout_handler;
pinfo->osHandle = xTimerCreate(" ", 1000, timer_mode, pinfo, app_timer_callback);
if (pinfo->osHandle == NULL)
err_code = NRF_ERROR_NULL;
}
else
{
/* Timer cannot be reinitialized using FreeRTOS API */
return NRF_ERROR_INVALID_STATE;
}
return err_code;
}
uint32_t app_timer_start(app_timer_id_t timer_id, uint32_t timeout_ticks, void * p_context)
{
app_timer_info_t * pinfo = (app_timer_info_t*)(timer_id);
TimerHandle_t hTimer = pinfo->osHandle;
uint32_t rtc_prescaler = portNRF_RTC_REG->PRESCALER + 1;
/* Get back the microseconds to wait */
uint32_t timeout_corrected = ROUNDED_DIV(timeout_ticks * m_prescaler, rtc_prescaler);
if (hTimer == NULL)
{
return NRF_ERROR_INVALID_STATE;
}
if (pinfo->active && (xTimerIsTimerActive(hTimer) != pdFALSE))
{
// Timer already running - exit silently
return NRF_SUCCESS;
}
pinfo->argument = p_context;
if (__get_IPSR() != 0)
{
BaseType_t yieldReq = pdFALSE;
if (xTimerChangePeriodFromISR(hTimer, timeout_corrected, &yieldReq) != pdPASS)
{
return NRF_ERROR_NO_MEM;
}
if ( xTimerStartFromISR(hTimer, &yieldReq) != pdPASS )
{
return NRF_ERROR_NO_MEM;
}
portYIELD_FROM_ISR(yieldReq);
}
else
{
if (xTimerChangePeriod(hTimer, timeout_corrected, APP_TIMER_WAIT_FOR_QUEUE) != pdPASS)
{
return NRF_ERROR_NO_MEM;
}
if (xTimerStart(hTimer, APP_TIMER_WAIT_FOR_QUEUE) != pdPASS)
{
return NRF_ERROR_NO_MEM;
}
}
pinfo->active = true;
return NRF_SUCCESS;
}
uint32_t app_timer_stop(app_timer_id_t timer_id)
{
app_timer_info_t * pinfo = (app_timer_info_t*)(timer_id);
TimerHandle_t hTimer = pinfo->osHandle;
if (hTimer == NULL)
{
return NRF_ERROR_INVALID_STATE;
}
if (__get_IPSR() != 0)
{
BaseType_t yieldReq = pdFALSE;
if (xTimerStopFromISR(timer_id, &yieldReq) != pdPASS)
{
return NRF_ERROR_NO_MEM;
}
portYIELD_FROM_ISR(yieldReq);
}
else
{
if (xTimerStop(timer_id, APP_TIMER_WAIT_FOR_QUEUE) != pdPASS)
{
return NRF_ERROR_NO_MEM;
}
}
pinfo->active = false;
return NRF_SUCCESS;
}
#endif //NRF_MODULE_ENABLED(APP_TIMER)