/** ****************************************************************************** * @file platform.c * @author William Xu * @version V1.0.0 * @date 05-May-2014 * @brief This file provides all MICO Peripherals mapping table and platform * specific functions. ****************************************************************************** * * The MIT License * Copyright (c) 2014 MXCHIP Inc. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is furnished * to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR * IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. ****************************************************************************** */ #include "stdio.h" #include "string.h" #include "platform.h" #include "platform_config.h" #include "platform_peripheral.h" #include "platform_logging.h" #include "mico_platform.h" #include "wlan_platform_common.h" #include "button.h" /****************************************************** * Macros ******************************************************/ /****************************************************** * Constants ******************************************************/ /****************************************************** * Enumerations ******************************************************/ /****************************************************** * Type Definitions ******************************************************/ /****************************************************** * Structures ******************************************************/ /****************************************************** * Function Declarations ******************************************************/ extern WEAK void PlatformEasyLinkButtonClickedCallback(void); extern WEAK void PlatformStandbyButtonClickedCallback(void); extern WEAK void PlatformEasyLinkButtonLongPressedCallback(void); extern WEAK void bootloader_start(void); /****************************************************** * Variables Definitions ******************************************************/ const platform_gpio_t platform_gpio_pins[] = { /* Common GPIOs for internal use */ [MICO_SYS_LED] = { GPIOB, 0 }, [MICO_RF_LED] = { GPIOB, 1 }, //MICO_GPIO_16 [BOOT_SEL] = { GPIOB, 1 }, //MICO_GPIO_16 [MFG_SEL] = { GPIOB, 9 }, //MICO_GPIO_30 [EasyLink_BUTTON] = { GPIOA, 1 }, //MICO_GPIO_11 /* GPIOs for external use */ [MICO_GPIO_1] = { GPIOB, 6 }, [MICO_GPIO_2] = { GPIOB, 7 }, [MICO_GPIO_4] = { GPIOC, 7 }, [MICO_GPIO_5] = { GPIOA, 4 }, [MICO_GPIO_6] = { GPIOA, 4 }, [MICO_GPIO_7] = { GPIOB, 3 }, [MICO_GPIO_8] = { GPIOB , 4 }, [MICO_GPIO_9] = { GPIOB, 5 }, [MICO_GPIO_10] = { GPIOB, 8 }, [MICO_GPIO_12] = { GPIOC, 2 }, [MICO_GPIO_13] = { GPIOB, 14 }, [MICO_GPIO_14] = { GPIOC, 6 }, [MICO_GPIO_18] = { GPIOA, 15 }, [MICO_GPIO_19] = { GPIOB, 11 }, [MICO_GPIO_20] = { GPIOA, 12 }, [MICO_GPIO_21] = { GPIOA, 11 }, [MICO_GPIO_22] = { GPIOA, 9 }, [MICO_GPIO_23] = { GPIOA, 10 }, [MICO_GPIO_29] = { GPIOA, 0 }, }; /* * Possible compile time inputs: * - Set which ADC peripheral to use for each ADC. All on one ADC allows sequential conversion on all inputs. All on separate ADCs allows concurrent conversion. */ /* TODO : These need fixing */ const platform_adc_t platform_adc_peripherals[] = { [MICO_ADC_1] = {ADC1, ADC_Channel_1, RCC_APB2Periph_ADC1, 1, &platform_gpio_pins[MICO_GPIO_2]}, [MICO_ADC_2] = {ADC1, ADC_Channel_2, RCC_APB2Periph_ADC1, 1, &platform_gpio_pins[MICO_GPIO_4]}, [MICO_ADC_3] = {ADC1, ADC_Channel_3, RCC_APB2Periph_ADC1, 1, &platform_gpio_pins[MICO_GPIO_5]}, }; /* PWM mappings */ const platform_pwm_t platform_pwm_peripherals[] = { [MICO_PWM_1] = {TIM4, 3, RCC_APB1Periph_TIM4, GPIO_AF_TIM4, &platform_gpio_pins[MICO_GPIO_10]}, /* or TIM10/Ch1 */ [MICO_PWM_2] = {TIM12, 1, RCC_APB1Periph_TIM12, GPIO_AF_TIM12, &platform_gpio_pins[MICO_GPIO_13]}, /* or TIM1/Ch2N */ [MICO_PWM_3] = {TIM2, 4, RCC_APB1Periph_TIM2, GPIO_AF_TIM2, &platform_gpio_pins[MICO_GPIO_19]}, /* TODO: fill in the other options here ... */ }; const platform_spi_t platform_spi_peripherals[] = { [MICO_SPI_1] = { .port = SPI1, .gpio_af = GPIO_AF_SPI1, .peripheral_clock_reg = RCC_APB2Periph_SPI1, .peripheral_clock_func = RCC_APB2PeriphClockCmd, .pin_mosi = &platform_gpio_pins[MICO_GPIO_9], .pin_miso = &platform_gpio_pins[MICO_GPIO_8], .pin_clock = &platform_gpio_pins[MICO_GPIO_7], .tx_dma = { .controller = DMA2, .stream = DMA2_Stream5, .channel = DMA_Channel_3, .irq_vector = DMA2_Stream5_IRQn, .complete_flags = DMA_HISR_TCIF5, .error_flags = ( DMA_HISR_TEIF5 | DMA_HISR_FEIF5 | DMA_HISR_DMEIF5 ), }, .rx_dma = { .controller = DMA2, .stream = DMA2_Stream0, .channel = DMA_Channel_3, .irq_vector = DMA2_Stream0_IRQn, .complete_flags = DMA_LISR_TCIF0, .error_flags = ( DMA_LISR_TEIF0 | DMA_LISR_FEIF0 | DMA_LISR_DMEIF0 ), }, } }; platform_spi_driver_t platform_spi_drivers[MICO_SPI_MAX]; const platform_uart_t platform_uart_peripherals[] = { [MICO_UART_1] = { .port = USART1, .pin_tx = &platform_gpio_pins[MICO_GPIO_22], .pin_rx = &platform_gpio_pins[MICO_GPIO_23], .pin_cts = &platform_gpio_pins[MICO_GPIO_21], .pin_rts = &platform_gpio_pins[MICO_GPIO_20], .tx_dma_config = { .controller = DMA2, .stream = DMA2_Stream7, .channel = DMA_Channel_4, .irq_vector = DMA2_Stream7_IRQn, .complete_flags = DMA_HISR_TCIF7, .error_flags = ( DMA_HISR_TEIF7 | DMA_HISR_FEIF7 ), }, .rx_dma_config = { .controller = DMA2, .stream = DMA2_Stream2, .channel = DMA_Channel_4, .irq_vector = DMA2_Stream2_IRQn, .complete_flags = DMA_LISR_TCIF2, .error_flags = ( DMA_LISR_TEIF2 | DMA_LISR_FEIF2 | DMA_LISR_DMEIF2 ), }, }, [MICO_UART_2] = { .port = USART6, .pin_tx = &platform_gpio_pins[MICO_GPIO_14], .pin_rx = &platform_gpio_pins[MICO_GPIO_4], .pin_cts = NULL, .pin_rts = NULL, .tx_dma_config = { .controller = DMA2, .stream = DMA2_Stream6, .channel = DMA_Channel_5, .irq_vector = DMA2_Stream6_IRQn, .complete_flags = DMA_HISR_TCIF6, .error_flags = ( DMA_HISR_TEIF6 | DMA_HISR_FEIF6 ), }, .rx_dma_config = { .controller = DMA2, .stream = DMA2_Stream1, .channel = DMA_Channel_5, .irq_vector = DMA2_Stream1_IRQn, .complete_flags = DMA_LISR_TCIF1, .error_flags = ( DMA_LISR_TEIF1 | DMA_LISR_FEIF1 | DMA_LISR_DMEIF1 ), }, }, }; platform_uart_driver_t platform_uart_drivers[MICO_UART_MAX]; const platform_i2c_t platform_i2c_peripherals[] = { [MICO_I2C_1] = { .port = I2C1, .pin_scl = &platform_gpio_pins[MICO_GPIO_1], .pin_sda = &platform_gpio_pins[MICO_GPIO_2], .peripheral_clock_reg = RCC_APB1Periph_I2C1, .tx_dma = DMA1, .tx_dma_peripheral_clock = RCC_AHB1Periph_DMA1, .tx_dma_stream = DMA1_Stream7, .rx_dma_stream = DMA1_Stream0, .tx_dma_stream_id = 7, .rx_dma_stream_id = 0, .tx_dma_channel = DMA_Channel_1, .rx_dma_channel = DMA_Channel_1, .gpio_af = GPIO_AF_I2C1 }, }; platform_i2c_driver_t platform_i2c_drivers[MICO_I2C_MAX]; platform_flash_driver_t platform_flash_drivers[MICO_FLASH_MAX]; /* Wi-Fi control pins. Used by platform/MCU/wlan_platform_common.c * SDIO: EMW1062_PIN_BOOTSTRAP[1:0] = b'00 * gSPI: EMW1062_PIN_BOOTSTRAP[1:0] = b'01 */ const platform_gpio_t wifi_control_pins[] = { [WIFI_PIN_POWER ] = { GPIOC, 1 }, [WIFI_PIN_RESET ] = { GPIOC, 5 }, [WIFI_PIN_32K_CLK ] = { GPIOA, 8 }, [WIFI_PIN_BOOTSTRAP_0] = { GPIOB, 12 }, [WIFI_PIN_BOOTSTRAP_1] = { GPIOB, 13 }, }; /* Wi-Fi SDIO bus pins. Used by platform/MCU/STM32F2xx/EMW1062_driver/wlan_SDIO.c */ const platform_gpio_t wifi_sdio_pins[] = { [WIFI_PIN_SDIO_OOB_IRQ] = { GPIOB, 12 }, [WIFI_PIN_SDIO_CLK ] = { GPIOC, 12 }, [WIFI_PIN_SDIO_CMD ] = { GPIOD, 2 }, [WIFI_PIN_SDIO_D0 ] = { GPIOC, 8 }, [WIFI_PIN_SDIO_D1 ] = { GPIOC, 9 }, [WIFI_PIN_SDIO_D2 ] = { GPIOC, 10 }, [WIFI_PIN_SDIO_D3 ] = { GPIOC, 11 }, }; /* Flash memory devices */ const platform_flash_t platform_flash_peripherals[] = { [MICO_FLASH_EMBEDDED] = { .flash_type = FLASH_TYPE_EMBEDDED, .flash_start_addr = 0x08000000, .flash_length = 0x100000, }, }; platform_flash_driver_t platform_flash_drivers[MICO_FLASH_MAX]; /* Logic partition on flash devices */ const mico_logic_partition_t mico_partitions[] = { [MICO_PARTITION_BOOTLOADER] = { .partition_owner = MICO_FLASH_EMBEDDED, .partition_description = "Bootloader", .partition_start_addr = 0x08000000, .partition_length = 0x8000, //32k bytes .partition_options = PAR_OPT_READ_EN | PAR_OPT_WRITE_DIS, }, [MICO_PARTITION_APPLICATION] = { .partition_owner = MICO_FLASH_EMBEDDED, .partition_description = "Application", .partition_start_addr = 0x08010000, .partition_length = 0x50000, //320k bytes .partition_options = PAR_OPT_READ_EN | PAR_OPT_WRITE_DIS, }, [MICO_PARTITION_RF_FIRMWARE] = { .partition_owner = MICO_FLASH_EMBEDDED, .partition_description = "RF Firmware", .partition_start_addr = 0x080C0000, .partition_length = 0x40000, //256k bytes .partition_options = PAR_OPT_READ_EN | PAR_OPT_WRITE_DIS, }, [MICO_PARTITION_OTA_TEMP] = { .partition_owner = MICO_FLASH_EMBEDDED, .partition_description = "OTA Storage", .partition_start_addr = 0x08060000, .partition_length = 0x60000, //384k bytes .partition_options = PAR_OPT_READ_EN | PAR_OPT_WRITE_EN, }, [MICO_PARTITION_PARAMETER_1] = { .partition_owner = MICO_FLASH_EMBEDDED, .partition_description = "PARAMETER1", .partition_start_addr = 0x08008000, .partition_length = 0x4000, // 16k bytes .partition_options = PAR_OPT_READ_EN | PAR_OPT_WRITE_EN, }, [MICO_PARTITION_PARAMETER_2] = { .partition_owner = MICO_FLASH_EMBEDDED, .partition_description = "PARAMETER1", .partition_start_addr = 0x0800C000, .partition_length = 0x4000, //16k bytes .partition_options = PAR_OPT_READ_EN | PAR_OPT_WRITE_EN, }, [MICO_PARTITION_ATE] = { .partition_owner = MICO_FLASH_NONE, } }; /****************************************************** * Interrupt Handler Definitions ******************************************************/ MICO_RTOS_DEFINE_ISR( USART1_IRQHandler ) { platform_uart_irq( &platform_uart_drivers[MICO_UART_1] ); } MICO_RTOS_DEFINE_ISR( USART6_IRQHandler ) { platform_uart_irq( &platform_uart_drivers[MICO_UART_2] ); } MICO_RTOS_DEFINE_ISR( DMA2_Stream7_IRQHandler ) { platform_uart_tx_dma_irq( &platform_uart_drivers[MICO_UART_1] ); } MICO_RTOS_DEFINE_ISR( DMA2_Stream6_IRQHandler ) { platform_uart_tx_dma_irq( &platform_uart_drivers[MICO_UART_2] ); } MICO_RTOS_DEFINE_ISR( DMA2_Stream2_IRQHandler ) { platform_uart_rx_dma_irq( &platform_uart_drivers[MICO_UART_1] ); } MICO_RTOS_DEFINE_ISR( DMA2_Stream1_IRQHandler ) { platform_uart_rx_dma_irq( &platform_uart_drivers[MICO_UART_2] ); } /****************************************************** * Function Definitions ******************************************************/ static void _button_STANDBY_irq_handler( void* arg ) { (void)(arg); PlatformStandbyButtonClickedCallback(); } bool watchdog_check_last_reset( void ) { if ( RCC->CSR & RCC_CSR_WDGRSTF ) { /* Clear the flag and return */ RCC->CSR |= RCC_CSR_RMVF; return true; } return false; } void platform_init_peripheral_irq_priorities( void ) { /* Interrupt priority setup. Called by MiCO/platform/MCU/STM32F2xx/platform_init.c */ NVIC_SetPriority( RTC_WKUP_IRQn , 1 ); /* RTC Wake-up event */ NVIC_SetPriority( SDIO_IRQn , 2 ); /* WLAN SDIO */ NVIC_SetPriority( DMA2_Stream3_IRQn, 3 ); /* WLAN SDIO DMA */ NVIC_SetPriority( DMA1_Stream3_IRQn, 3 ); /* WLAN SPI DMA */ NVIC_SetPriority( USART1_IRQn , 6 ); /* MICO_UART_1 */ NVIC_SetPriority( USART6_IRQn , 6 ); /* MICO_UART_2 */ NVIC_SetPriority( DMA2_Stream7_IRQn, 7 ); /* MICO_UART_1 TX DMA */ NVIC_SetPriority( DMA2_Stream2_IRQn, 7 ); /* MICO_UART_1 RX DMA */ NVIC_SetPriority( DMA2_Stream6_IRQn, 7 ); /* MICO_UART_2 TX DMA */ NVIC_SetPriority( DMA2_Stream1_IRQn, 7 ); /* MICO_UART_2 RX DMA */ NVIC_SetPriority( EXTI0_IRQn , 14 ); /* GPIO */ NVIC_SetPriority( EXTI1_IRQn , 14 ); /* GPIO */ NVIC_SetPriority( EXTI2_IRQn , 14 ); /* GPIO */ NVIC_SetPriority( EXTI3_IRQn , 14 ); /* GPIO */ NVIC_SetPriority( EXTI4_IRQn , 14 ); /* GPIO */ NVIC_SetPriority( EXTI9_5_IRQn , 14 ); /* GPIO */ NVIC_SetPriority( EXTI15_10_IRQn , 14 ); /* GPIO */ } void init_platform( void ) { button_init_t init; MicoGpioInitialize( (mico_gpio_t)MICO_SYS_LED, OUTPUT_PUSH_PULL ); MicoGpioOutputLow( (mico_gpio_t)MICO_SYS_LED ); MicoGpioInitialize( (mico_gpio_t)MICO_RF_LED, OUTPUT_OPEN_DRAIN_NO_PULL ); MicoGpioOutputHigh( (mico_gpio_t)MICO_RF_LED ); // Initialise EasyLink buttons init.gpio = EasyLink_BUTTON; init.pressed_func = PlatformEasyLinkButtonClickedCallback; init.long_pressed_func = PlatformEasyLinkButtonLongPressedCallback; init.long_pressed_timeout = 5000; button_init( IOBUTTON_EASYLINK, init ); // Initialise Standby/wakeup switcher MicoGpioInitialize( Standby_SEL, INPUT_PULL_UP ); MicoGpioEnableIRQ( Standby_SEL , IRQ_TRIGGER_FALLING_EDGE, _button_STANDBY_irq_handler, NULL); } void init_platform_bootloader( void ) { MicoGpioInitialize( (mico_gpio_t)MICO_SYS_LED, OUTPUT_PUSH_PULL ); MicoGpioOutputLow( (mico_gpio_t)MICO_SYS_LED ); MicoGpioInitialize( (mico_gpio_t)MICO_RF_LED, OUTPUT_OPEN_DRAIN_NO_PULL ); MicoGpioOutputHigh( (mico_gpio_t)MICO_RF_LED ); MicoGpioInitialize((mico_gpio_t)BOOT_SEL, INPUT_PULL_UP); MicoGpioInitialize((mico_gpio_t)MFG_SEL, INPUT_HIGH_IMPEDANCE); } void MicoSysLed(bool onoff) { if (onoff) { MicoGpioOutputHigh( (mico_gpio_t)MICO_SYS_LED ); } else { MicoGpioOutputLow( (mico_gpio_t)MICO_SYS_LED ); } } void MicoRfLed(bool onoff) { if (onoff) { MicoGpioOutputLow( (mico_gpio_t)MICO_RF_LED ); } else { MicoGpioOutputHigh( (mico_gpio_t)MICO_RF_LED ); } } bool MicoShouldEnterMFGMode(void) { if(MicoGpioInputGet((mico_gpio_t)BOOT_SEL)==false && MicoGpioInputGet((mico_gpio_t)MFG_SEL)==false) return true; else return false; } bool MicoShouldEnterBootloader(void) { if(MicoGpioInputGet((mico_gpio_t)BOOT_SEL)==false && MicoGpioInputGet((mico_gpio_t)MFG_SEL)==true) return true; else return false; }