/** ****************************************************************************** * @file stm32f413h_discovery.c * @author MCD Application Team * @brief This file provides a set of firmware functions to manage LEDs, * push-buttons and COM ports available on STM32F413H-DISCOVERY board * (MB1209) from STMicroelectronics. ****************************************************************************** * @attention * * Copyright (c) 2017 STMicroelectronics. * All rights reserved. * * This software is licensed under terms that can be found in the LICENSE file * in the root directory of this software component. * If no LICENSE file comes with this software, it is provided AS-IS. * ****************************************************************************** *//* ... */ /* Includes ------------------------------------------------------------------*/ #include "stm32f413h_discovery.h" /** @addtogroup BSP * @{ *//* ... */ /** @defgroup STM32F413H_DISCOVERY STM32F413H_DISCOVERY * @{ *//* ... */ /** @defgroup STM32F413H_DISCOVERY_LOW_LEVEL STM32F413H-DISCOVERY LOW LEVEL * @{ *//* ... */ /** @defgroup STM32F413H_DISCOVERY_LOW_LEVEL_Private_TypesDefinitions STM32F413H Discovery Low Level Private Typedef * @{ *//* ... */ typedef struct { __IO uint16_t REG; __IO uint16_t RAM; ...}LCD_CONTROLLER_TypeDef; /** * @} *//* ... */ /** @defgroup STM32F413H_DISCOVERY_LOW_LEVEL_Private_Defines STM32F413H Discovery Low Level Private Def * @{ *//* ... */ /** * @brief STM32F413H DISCOVERY BSP Driver version number V1.0.4 *//* ... */ #define __STM32F413H_DISCOVERY_BSP_VERSION_MAIN (0x01) /*!< [31:24] main version */ #define __STM32F413H_DISCOVERY_BSP_VERSION_SUB1 (0x00) /*!< [23:16] sub1 version */ #define __STM32F413H_DISCOVERY_BSP_VERSION_SUB2 (0x04) /*!< [15:8] sub2 version */ #define __STM32F413H_DISCOVERY_BSP_VERSION_RC (0x00) /*!< [7:0] release candidate */ #define __STM32F413H_DISCOVERY_BSP_VERSION ((__STM32F413H_DISCOVERY_BSP_VERSION_MAIN << 24)\ |(__STM32F413H_DISCOVERY_BSP_VERSION_SUB1 << 16)\ |(__STM32F413H_DISCOVERY_BSP_VERSION_SUB2 << 8 )\ |(__STM32F413H_DISCOVERY_BSP_VERSION_RC))... /* We use BANK3 as we use FMC_NE3 signal */ #define FMC_BANK3_BASE ((uint32_t)(0x60000000 | 0x08000000)) #define FMC_BANK3 ((LCD_CONTROLLER_TypeDef *) FMC_BANK3_BASE) 7 defines /** * @} *//* ... */ /** @defgroup STM32F413H_DISCOVERY_LOW_LEVEL_Private_Variables STM32F413H Discovery Low Level Variables * @{ *//* ... */ const uint32_t GPIO_PIN[LEDn] = {LED3_PIN, LED4_PIN...}; GPIO_TypeDef* GPIO_PORT[LEDn] = {LED3_GPIO_PORT, LED4_GPIO_PORT...}; GPIO_TypeDef* BUTTON_PORT[BUTTONn] = {WAKEUP_BUTTON_GPIO_PORT}; const uint16_t BUTTON_PIN[BUTTONn] = {WAKEUP_BUTTON_PIN}; const uint16_t BUTTON_IRQn[BUTTONn] = {WAKEUP_BUTTON_EXTI_IRQn}; USART_TypeDef* COM_USART[COMn] = {DISCOVERY_COM1}; GPIO_TypeDef* COM_TX_PORT[COMn] = {DISCOVERY_COM1_TX_GPIO_PORT}; GPIO_TypeDef* COM_RX_PORT[COMn] = {DISCOVERY_COM1_RX_GPIO_PORT}; const uint16_t COM_TX_PIN[COMn] = {DISCOVERY_COM1_TX_PIN}; const uint16_t COM_RX_PIN[COMn] = {DISCOVERY_COM1_RX_PIN}; const uint16_t COM_TX_AF[COMn] = {DISCOVERY_COM1_TX_AF}; const uint16_t COM_RX_AF[COMn] = {DISCOVERY_COM1_RX_AF}; static FMPI2C_HandleTypeDef hI2cAudioHandler; /** * @} *//* ... */ /** @defgroup STM32F413H_DISCOVERY_LOW_LEVEL_Private_FunctionPrototypes STM32F413H Discovery Low Level Private Prototypes * @{ *//* ... */ static void FMPI2Cx_Init(FMPI2C_HandleTypeDef *i2c_handler); static void FMPI2Cx_DeInit(FMPI2C_HandleTypeDef *i2c_handler); static HAL_StatusTypeDef FMPI2Cx_ReadMultiple(FMPI2C_HandleTypeDef *fmpi2c_handler, uint8_t Addr, uint16_t Reg, uint16_t MemAddSize, uint8_t *Buffer, uint16_t Length); static HAL_StatusTypeDef FMPI2Cx_WriteMultiple(FMPI2C_HandleTypeDef *fmpi2c_handler, uint8_t Addr, uint16_t Reg, uint16_t MemAddSize, uint8_t *Buffer, uint16_t Length); static void FMPI2Cx_Error(FMPI2C_HandleTypeDef *fmpi2c_handler, uint8_t Addr); static void FMC_BANK3_WriteData(uint16_t Data); static void FMC_BANK3_WriteReg(uint8_t Reg); static uint16_t FMC_BANK3_ReadData(void); static void FMC_BANK3_Init(void); static void FMC_BANK3_MspInit(void); /* LCD IO functions */ void LCD_IO_Init(void); void LCD_IO_WriteData(uint16_t RegValue); void LCD_IO_WriteReg(uint8_t Reg); void LCD_IO_WriteMultipleData(uint16_t *pData, uint32_t Size); uint16_t LCD_IO_ReadData(void); void LCD_IO_Delay(uint32_t Delay); /* AUDIO IO functions */ void AUDIO_IO_Init(void); void AUDIO_IO_DeInit(void); void AUDIO_IO_Write(uint8_t Addr, uint16_t Reg, uint16_t Value); uint16_t AUDIO_IO_Read(uint8_t Addr, uint16_t Reg); void AUDIO_IO_Delay(uint32_t Delay); /* TouchScreen (TS) IO functions */ void TS_IO_Init(void); void TS_IO_DeInit(void); void TS_IO_Write(uint8_t Addr, uint8_t Reg, uint8_t Value); uint8_t TS_IO_Read(uint8_t Addr, uint8_t Reg); uint16_t TS_IO_ReadMultiple(uint8_t Addr, uint8_t Reg, uint8_t *Buffer, uint16_t Length); void TS_IO_WriteMultiple(uint8_t Addr, uint8_t Reg, uint8_t *Buffer, uint16_t Length); void TS_IO_Delay(uint32_t Delay); /** * @} *//* ... */ /** @defgroup STM32F413H_DISCOVERY_LOW_LEVEL_Private_Functions STM32F413H Discovery Low Level Private Functions * @{ *//* ... */ /** * @brief This method returns the STM32F413H DISCOVERY BSP Driver revision * @retval version: 0xXYZR (8bits for each decimal, R for RC) *//* ... */ uint32_t BSP_GetVersion(void) { return __STM32F413H_DISCOVERY_BSP_VERSION; }{ ... } /** * @brief Configures LEDs. * @param Led: LED to be configured. * This parameter can be one of the following values: * @arg LED3 * @arg LED4 *//* ... */ void BSP_LED_Init(Led_TypeDef Led) { GPIO_InitTypeDef gpio_init_structure; LEDx_GPIO_CLK_ENABLE(Led); /* Configure the GPIO_LED pin */ gpio_init_structure.Pin = GPIO_PIN[Led]; gpio_init_structure.Mode = GPIO_MODE_OUTPUT_PP; gpio_init_structure.Pull = GPIO_PULLUP; gpio_init_structure.Speed = GPIO_SPEED_HIGH; HAL_GPIO_Init(GPIO_PORT[Led], &gpio_init_structure); }{ ... } /** * @brief DeInit LEDs. * @param Led: LED to be configured. * This parameter can be one of the following values: * @arg LED3 * @arg LED4 *//* ... */ void BSP_LED_DeInit(Led_TypeDef Led) { GPIO_InitTypeDef gpio_init_structure; /* DeInit the GPIO_LED pin */ gpio_init_structure.Pin = GPIO_PIN[Led]; /* Turn off LED */ HAL_GPIO_WritePin(GPIO_PORT[Led], GPIO_PIN[Led], GPIO_PIN_RESET); HAL_GPIO_DeInit(GPIO_PORT[Led], gpio_init_structure.Pin); }{ ... } /** * @brief Turns selected LED On. * @param Led: LED to be set on * This parameter can be one of the following values: * @arg LED3 * @arg LED4 *//* ... */ void BSP_LED_On(Led_TypeDef Led) { HAL_GPIO_WritePin(GPIO_PORT[Led], GPIO_PIN[Led], GPIO_PIN_SET); }{ ... } /** * @brief Turns selected LED Off. * @param Led: LED to be set off * This parameter can be one of the following values: * @arg LED3 * @arg LED4 *//* ... */ void BSP_LED_Off(Led_TypeDef Led) { HAL_GPIO_WritePin(GPIO_PORT[Led], GPIO_PIN[Led], GPIO_PIN_RESET); }{ ... } /** * @brief Toggles the selected LED. * @param Led: LED to be toggled * This parameter can be one of the following values: * @arg LED3 * @arg LED4 *//* ... */ void BSP_LED_Toggle(Led_TypeDef Led) { HAL_GPIO_TogglePin(GPIO_PORT[Led], GPIO_PIN[Led]); }{ ... } /** * @brief Configures button GPIO and EXTI Line. * @param Button: Button to be configured * This parameter can be one of the following values: * @arg BUTTON_WAKEUP: Wakeup Push Button * @param ButtonMode: Button mode * This parameter can be one of the following values: * @arg BUTTON_MODE_GPIO: Button will be used as simple IO * @arg BUTTON_MODE_EXTI: Button will be connected to EXTI line * with interrupt generation capability *//* ... */ void BSP_PB_Init(Button_TypeDef Button, ButtonMode_TypeDef ButtonMode) { GPIO_InitTypeDef gpio_init_structure; /* Enable the BUTTON clock */ WAKEUP_BUTTON_GPIO_CLK_ENABLE(); if(ButtonMode == BUTTON_MODE_GPIO) { /* Configure Button pin as input */ gpio_init_structure.Pin = BUTTON_PIN[Button]; gpio_init_structure.Mode = GPIO_MODE_INPUT; gpio_init_structure.Pull = GPIO_PULLDOWN; gpio_init_structure.Speed = GPIO_SPEED_FAST; HAL_GPIO_Init(BUTTON_PORT[Button], &gpio_init_structure); }if (ButtonMode == BUTTON_MODE_GPIO) { ... } if(ButtonMode == BUTTON_MODE_EXTI) { /* Configure Button pin as input with External interrupt */ gpio_init_structure.Pin = BUTTON_PIN[Button]; gpio_init_structure.Pull = GPIO_PULLDOWN; gpio_init_structure.Speed = GPIO_SPEED_FREQ_VERY_HIGH; gpio_init_structure.Mode = GPIO_MODE_IT_RISING; HAL_GPIO_Init(BUTTON_PORT[Button], &gpio_init_structure); /* Enable and set Button EXTI Interrupt to the lowest priority */ HAL_NVIC_SetPriority((IRQn_Type)(BUTTON_IRQn[Button]), 0x0F, 0x00); HAL_NVIC_EnableIRQ((IRQn_Type)(BUTTON_IRQn[Button])); }if (ButtonMode == BUTTON_MODE_EXTI) { ... } }{ ... } /** * @brief Push Button DeInit. * @param Button: Button to be configured * This parameter can be one of the following values: * @arg BUTTON_WAKEUP: Wakeup Push Button * @note PB DeInit does not disable the GPIO clock *//* ... */ void BSP_PB_DeInit(Button_TypeDef Button) { GPIO_InitTypeDef gpio_init_structure; gpio_init_structure.Pin = BUTTON_PIN[Button]; HAL_NVIC_DisableIRQ((IRQn_Type)(BUTTON_IRQn[Button])); HAL_GPIO_DeInit(BUTTON_PORT[Button], gpio_init_structure.Pin); }{ ... } /** * @brief Returns the selected button state. * @param Button: Button to be checked * This parameter can be one of the following values: * @arg BUTTON_WAKEUP: Wakeup Push Button * @retval The Button GPIO pin value (GPIO_PIN_RESET = button pressed) *//* ... */ uint32_t BSP_PB_GetState(Button_TypeDef Button) { return HAL_GPIO_ReadPin(BUTTON_PORT[Button], BUTTON_PIN[Button]); }{ ... } /** * @brief Configures COM port. * @param COM: COM port to be configured. * This parameter can be one of the following values: * @arg COM1 * @param huart: Pointer to a UART_HandleTypeDef structure that contains the * configuration information for the specified USART peripheral. *//* ... */ void BSP_COM_Init(COM_TypeDef COM, UART_HandleTypeDef *huart) { GPIO_InitTypeDef gpio_init_structure; /* Enable GPIO clock */ DISCOVERY_COMx_TX_GPIO_CLK_ENABLE(COM); DISCOVERY_COMx_RX_GPIO_CLK_ENABLE(COM); /* Enable USART clock */ DISCOVERY_COMx_CLK_ENABLE(COM); /* Configure USART Tx as alternate function */ gpio_init_structure.Pin = COM_TX_PIN[COM]; gpio_init_structure.Mode = GPIO_MODE_AF_PP; gpio_init_structure.Speed = GPIO_SPEED_FREQ_HIGH; gpio_init_structure.Pull = GPIO_PULLUP; gpio_init_structure.Alternate = COM_TX_AF[COM]; HAL_GPIO_Init(COM_TX_PORT[COM], &gpio_init_structure); /* Configure USART Rx as alternate function */ gpio_init_structure.Pin = COM_RX_PIN[COM]; gpio_init_structure.Mode = GPIO_MODE_AF_PP; gpio_init_structure.Alternate = COM_RX_AF[COM]; HAL_GPIO_Init(COM_RX_PORT[COM], &gpio_init_structure); /* USART configuration */ huart->Instance = COM_USART[COM]; HAL_UART_Init(huart); }{ ... } /** * @brief DeInit COM port. * @param COM: COM port to be configured. * This parameter can be one of the following values: * @arg COM1 * @param huart: Pointer to a UART_HandleTypeDef structure that contains the * configuration information for the specified USART peripheral. *//* ... */ void BSP_COM_DeInit(COM_TypeDef COM, UART_HandleTypeDef *huart) { /* USART configuration */ huart->Instance = COM_USART[COM]; HAL_UART_DeInit(huart); /* Enable USART clock */ DISCOVERY_COMx_CLK_DISABLE(COM); /* DeInit GPIO pins can be done in the application (by surcharging this __weak function) *//* ... */ /* GPIO pins clock, FMC clock and DMA clock can be shut down in the application by surcharging this __weak function *//* ... */ }{ ... } /******************************************************************************* BUS OPERATIONS *******************************************************************************//* ... */ /******************************* I2C Routines *********************************/ /** * @brief Initializes FMPI2C MSP. * @param fmpi2c_handler : FMPI2C handler *//* ... */ static void FMPI2Cx_MspInit(FMPI2C_HandleTypeDef *fmpi2c_handler) { GPIO_InitTypeDef gpio_init_structure; /* AUDIO FMPI2C MSP init */ /*** Configure the GPIOs ***/ /* Enable GPIO clock */ DISCOVERY_AUDIO_I2Cx_SCL_SDA_GPIO_CLK_ENABLE(); /* Configure I2C Tx as alternate function */ gpio_init_structure.Pin = DISCOVERY_AUDIO_I2Cx_SCL_PIN; gpio_init_structure.Mode = GPIO_MODE_AF_OD; gpio_init_structure.Pull = GPIO_NOPULL; gpio_init_structure.Speed = GPIO_SPEED_FAST; gpio_init_structure.Alternate = DISCOVERY_AUDIO_I2Cx_SCL_SDA_AF; HAL_GPIO_Init(DISCOVERY_AUDIO_I2Cx_SCL_SDA_GPIO_PORT, &gpio_init_structure); /* Configure I2C Rx as alternate function */ gpio_init_structure.Pin = DISCOVERY_AUDIO_I2Cx_SDA_PIN; gpio_init_structure.Alternate = DISCOVERY_AUDIO_I2Cx_SCL_SDA_AF; HAL_GPIO_Init(DISCOVERY_AUDIO_I2Cx_SCL_SDA_GPIO_PORT, &gpio_init_structure); /*** Configure the I2C peripheral ***/ /* Enable I2C clock */ DISCOVERY_AUDIO_I2Cx_CLK_ENABLE(); /* Force the I2C peripheral clock reset */ DISCOVERY_AUDIO_I2Cx_FORCE_RESET(); /* Release the I2C peripheral clock reset */ DISCOVERY_AUDIO_I2Cx_RELEASE_RESET(); /* Enable and set I2Cx Interrupt to a lower priority */ HAL_NVIC_SetPriority(DISCOVERY_AUDIO_I2Cx_EV_IRQn, 0x0F, 0x00); HAL_NVIC_EnableIRQ(DISCOVERY_AUDIO_I2Cx_EV_IRQn); /* Enable and set I2Cx Interrupt to a lower priority */ HAL_NVIC_SetPriority(DISCOVERY_AUDIO_I2Cx_ER_IRQn, 0x0F, 0x00); HAL_NVIC_EnableIRQ(DISCOVERY_AUDIO_I2Cx_ER_IRQn); }{ ... } /** * @brief Initializes FMPI2C HAL. * @param fmpi2c_handler : FMPI2C handler *//* ... */ static void FMPI2Cx_Init(FMPI2C_HandleTypeDef *fmpi2c_handler) { if(HAL_FMPI2C_GetState(fmpi2c_handler) == HAL_FMPI2C_STATE_RESET) { /* Audio FMPI2C configuration */ fmpi2c_handler->Instance = DISCOVERY_AUDIO_I2Cx; fmpi2c_handler->Init.Timing = DISCOVERY_I2Cx_TIMING; fmpi2c_handler->Init.OwnAddress1 = 0; fmpi2c_handler->Init.AddressingMode = FMPI2C_ADDRESSINGMODE_7BIT; fmpi2c_handler->Init.DualAddressMode = FMPI2C_DUALADDRESS_DISABLE; fmpi2c_handler->Init.OwnAddress2 = 0; fmpi2c_handler->Init.OwnAddress2Masks = FMPI2C_OA2_NOMASK; fmpi2c_handler->Init.GeneralCallMode = FMPI2C_GENERALCALL_DISABLE; fmpi2c_handler->Init.NoStretchMode = FMPI2C_NOSTRETCH_DISABLE; /* Init the FMPI2C */ FMPI2Cx_MspInit(fmpi2c_handler); HAL_FMPI2C_Init(fmpi2c_handler); }if (HAL_FMPI2C_GetState(fmpi2c_handler) == HAL_FMPI2C_STATE_RESET) { ... } }{ ... } /** * @brief Reads multiple data. * @param fmpi2c_handler : FMPI2C handler * @param Addr: I2C address * @param Reg: Reg address * @param MemAddress: Memory address * @param Buffer: Pointer to data buffer * @param Length: Length of the data * @retval Number of read data *//* ... */ static HAL_StatusTypeDef FMPI2Cx_ReadMultiple(FMPI2C_HandleTypeDef *fmpi2c_handler, uint8_t Addr, uint16_t Reg, uint16_t MemAddress, uint8_t *Buffer, uint16_t Length) { HAL_StatusTypeDef status = HAL_OK; status = HAL_FMPI2C_Mem_Read(fmpi2c_handler, Addr, (uint16_t)Reg, MemAddress, Buffer, Length, 1000); /* Check the communication status */ if(status != HAL_OK) { /* FMPI2C error occurred */ FMPI2Cx_Error(fmpi2c_handler, Addr); }if (status != HAL_OK) { ... } return status; }{ ... } /** * @brief Writes a value in a register of the device through BUS in using DMA mode. * @param fmpi2c_handler : FMPI2C handler * @param Addr: Device address on BUS Bus. * @param Reg: The target register address to write * @param MemAddress: Memory address * @param Buffer: The target register value to be written * @param Length: buffer size to be written * @retval HAL status *//* ... */ static HAL_StatusTypeDef FMPI2Cx_WriteMultiple(FMPI2C_HandleTypeDef *fmpi2c_handler, uint8_t Addr, uint16_t Reg, uint16_t MemAddress, uint8_t *Buffer, uint16_t Length) { HAL_StatusTypeDef status = HAL_OK; status = HAL_FMPI2C_Mem_Write(fmpi2c_handler, Addr, (uint16_t)Reg, MemAddress, Buffer, Length, 1000); /* Check the communication status */ if(status != HAL_OK) { /* Re-Initialize the FMPI2C Bus */ FMPI2Cx_Error(fmpi2c_handler, Addr); }if (status != HAL_OK) { ... } return status; }{ ... } /** * @brief Manages error callback by re-initializing I2C. * @param fmpi2c_handler : FMPI2C handler * @param Addr: I2C Address * @retval None *//* ... */ static void FMPI2Cx_Error(FMPI2C_HandleTypeDef *fmpi2c_handler, uint8_t Addr) { /* De-initialize the FMPI2C communication bus */ HAL_FMPI2C_DeInit(fmpi2c_handler); /* Re-Initialize the FMPI2C communication bus */ FMPI2Cx_Init(fmpi2c_handler); }{ ... } /** * @brief Deinitializes FMPI2C interface * @param fmpi2c_handler : FMPI2C handler *//* ... */ static void FMPI2Cx_DeInit(FMPI2C_HandleTypeDef *fmpi2c_handler) { /* Audio and LCD I2C configuration */ fmpi2c_handler->Instance = DISCOVERY_AUDIO_I2Cx; /* Disable FMPI2C block */ __HAL_FMPI2C_DISABLE(fmpi2c_handler); /* DeInit the FMPI2C */ HAL_FMPI2C_DeInit(fmpi2c_handler); }{ ... } /*************************** FMC Routines ************************************/ I2C Routines /** * @brief Initializes FMC_BANK3 MSP. *//* ... */ static void FMC_BANK3_MspInit(void) { GPIO_InitTypeDef gpio_init_structure; /* Enable FSMC clock */ __HAL_RCC_FSMC_CLK_ENABLE(); /* Enable GPIOs clock */ __HAL_RCC_GPIOD_CLK_ENABLE(); __HAL_RCC_GPIOE_CLK_ENABLE(); __HAL_RCC_GPIOF_CLK_ENABLE(); __HAL_RCC_GPIOG_CLK_ENABLE(); /* Common GPIO configuration */ gpio_init_structure.Mode = GPIO_MODE_AF_PP; gpio_init_structure.Pull = GPIO_PULLUP; gpio_init_structure.Speed = GPIO_SPEED_FREQ_VERY_HIGH; gpio_init_structure.Alternate = GPIO_AF12_FSMC; /* GPIOD configuration: GPIO_PIN_7 is FMC_NE1 , GPIO_PIN_11 ans GPIO_PIN_12 are PSRAM_A16 and PSRAM_A17 */ gpio_init_structure.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_4 | GPIO_PIN_5 | GPIO_PIN_8 |\ GPIO_PIN_9 | GPIO_PIN_10 | GPIO_PIN_14 | GPIO_PIN_15 | GPIO_PIN_7|\ GPIO_PIN_11 | GPIO_PIN_12; HAL_GPIO_Init(GPIOD, &gpio_init_structure); /* GPIOE configuration */ gpio_init_structure.Pin = GPIO_PIN_7 | GPIO_PIN_8 | GPIO_PIN_9 | GPIO_PIN_10 | GPIO_PIN_11 |\ GPIO_PIN_12 |GPIO_PIN_13 | GPIO_PIN_14 | GPIO_PIN_15; HAL_GPIO_Init(GPIOE, &gpio_init_structure); /* GPIOF configuration */ gpio_init_structure.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_3 | GPIO_PIN_4 |\ GPIO_PIN_5 | GPIO_PIN_12 | GPIO_PIN_13 | GPIO_PIN_14 | GPIO_PIN_15; HAL_GPIO_Init(GPIOF, &gpio_init_structure); /* GPIOG configuration */ gpio_init_structure.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_3 | GPIO_PIN_4 |\ GPIO_PIN_5 | GPIO_PIN_10 ; HAL_GPIO_Init(GPIOG, &gpio_init_structure); }{ ... } /** * @brief Initializes LCD IOs. *//* ... */ static void FMC_BANK3_Init(void) { SRAM_HandleTypeDef hsram; FSMC_NORSRAM_TimingTypeDef sram_timing; /* Initialize the SRAM controller */ FMC_BANK3_MspInit(); /*** Configure the SRAM Bank 1 ***/ /* Configure IPs */ hsram.Instance = FSMC_NORSRAM_DEVICE; hsram.Extended = FSMC_NORSRAM_EXTENDED_DEVICE; /* Timing config */ sram_timing.AddressSetupTime = 3; sram_timing.AddressHoldTime = 1; sram_timing.DataSetupTime = 4; sram_timing.BusTurnAroundDuration = 1; sram_timing.CLKDivision = 2; sram_timing.DataLatency = 2; sram_timing.AccessMode = FSMC_ACCESS_MODE_A; hsram.Init.NSBank = FSMC_NORSRAM_BANK3; hsram.Init.DataAddressMux = FSMC_DATA_ADDRESS_MUX_DISABLE; hsram.Init.MemoryType = FSMC_MEMORY_TYPE_SRAM; hsram.Init.MemoryDataWidth = FSMC_NORSRAM_MEM_BUS_WIDTH_16; hsram.Init.BurstAccessMode = FSMC_BURST_ACCESS_MODE_DISABLE; hsram.Init.WaitSignalPolarity = FSMC_WAIT_SIGNAL_POLARITY_LOW; hsram.Init.WrapMode = FSMC_WRAP_MODE_DISABLE; hsram.Init.WaitSignalActive = FSMC_WAIT_TIMING_BEFORE_WS; hsram.Init.WriteOperation = FSMC_WRITE_OPERATION_ENABLE; hsram.Init.WaitSignal = FSMC_WAIT_SIGNAL_DISABLE; hsram.Init.ExtendedMode = FSMC_EXTENDED_MODE_ENABLE; hsram.Init.AsynchronousWait = FSMC_ASYNCHRONOUS_WAIT_DISABLE; hsram.Init.WriteBurst = FSMC_WRITE_BURST_DISABLE; hsram.Init.WriteFifo = FSMC_WRITE_FIFO_DISABLE; hsram.Init.PageSize = FSMC_PAGE_SIZE_NONE; hsram.Init.ContinuousClock = FSMC_CONTINUOUS_CLOCK_SYNC_ONLY; HAL_SRAM_Init(&hsram, &sram_timing, &sram_timing); }{ ... } /** * @brief Writes register value. * @param Data: Data to be written *//* ... */ static void FMC_BANK3_WriteData(uint16_t Data) { /* Write 16-bit Reg */ FMC_BANK3->RAM = Data; __DSB(); }{ ... } /** * @brief Writes register address. * @param Reg: Register to be written *//* ... */ static void FMC_BANK3_WriteReg(uint8_t Reg) { /* Write 16-bit Index, then write register */ FMC_BANK3->REG = Reg; __DSB(); }{ ... } /** * @brief Reads register value. * @retval Read value *//* ... */ static uint16_t FMC_BANK3_ReadData(void) { return FMC_BANK3->RAM; }{ ... } /******************************************************************************* LINK OPERATIONS *******************************************************************************//* ... */ FMC Routines /********************************* LINK LCD ***********************************/ /** * @brief Initializes LCD low level. *//* ... */ void LCD_IO_Init(void) { FMC_BANK3_Init(); }{ ... } /** * @brief Writes data on LCD data register. * @param RegValue: Data to be written *//* ... */ void LCD_IO_WriteData(uint16_t RegValue) { /* Write 16-bit Reg */ FMC_BANK3_WriteData(RegValue); }{ ... } /** * @brief Writes several data on LCD data register. * @param pData: pointer on data to be written * @param Size: data amount in 16bits short unit *//* ... */ void LCD_IO_WriteMultipleData(uint16_t *pData, uint32_t Size) { uint32_t i; for (i = 0; i < Size; i++) { FMC_BANK3_WriteData(pData[i]); }for (i = 0; i < Size; i++) { ... } }{ ... } /** * @brief Writes register on LCD register. * @param Reg: Register to be written *//* ... */ void LCD_IO_WriteReg(uint8_t Reg) { /* Write 16-bit Index, then Write Reg */ FMC_BANK3_WriteReg(Reg); }{ ... } /** * @brief Reads data from LCD data register. * @retval Read data. *//* ... */ uint16_t LCD_IO_ReadData(void) { return FMC_BANK3_ReadData(); }{ ... } /** * @brief LCD delay * @param Delay: Delay in ms *//* ... */ void LCD_IO_Delay(uint32_t Delay) { HAL_Delay(Delay); }{ ... } LINK LCD /********************************* LINK AUDIO *********************************/ /** * @brief Initializes Audio low level. *//* ... */ void AUDIO_IO_Init(void) { FMPI2Cx_Init(&hI2cAudioHandler); }{ ... } /** * @brief Deinitializes Audio low level. *//* ... */ void AUDIO_IO_DeInit(void) { FMPI2Cx_DeInit(&hI2cAudioHandler); }{ ... } /** * @brief Writes a single data. * @param Addr: I2C address * @param Reg: Reg address * @param Value: Data to be written *//* ... */ void AUDIO_IO_Write(uint8_t Addr, uint16_t Reg, uint16_t Value) { uint16_t tmp = Value; Value = ((uint16_t)(tmp >> 8) & 0x00FF); Value |= ((uint16_t)(tmp << 8)& 0xFF00); FMPI2Cx_WriteMultiple(&hI2cAudioHandler, Addr, Reg, FMPI2C_MEMADD_SIZE_16BIT,(uint8_t*)&Value, 2); }{ ... } /** * @brief Reads a single data. * @param Addr: I2C address * @param Reg: Reg address * @retval Data to be read *//* ... */ uint16_t AUDIO_IO_Read(uint8_t Addr, uint16_t Reg) { uint16_t read_value = 0, tmp = 0; FMPI2Cx_ReadMultiple(&hI2cAudioHandler, Addr, Reg, FMPI2C_MEMADD_SIZE_16BIT, (uint8_t*)&read_value, 2); tmp = ((uint16_t)(read_value >> 8) & 0x00FF); tmp |= ((uint16_t)(read_value << 8)& 0xFF00); read_value = tmp; return read_value; }{ ... } /** * @brief Reads multiple data with I2C communication * channel from TouchScreen. * @param Addr: I2C address * @param Reg: Register address * @param Buffer: Pointer to data buffer * @param Length: Length of the data * @retval Number of read data *//* ... */ uint16_t TS_IO_ReadMultiple(uint8_t Addr, uint8_t Reg, uint8_t *Buffer, uint16_t Length) { return FMPI2Cx_ReadMultiple(&hI2cAudioHandler, Addr, (uint16_t)Reg, I2C_MEMADD_SIZE_8BIT, Buffer, Length); }{ ... } /** * @brief Writes multiple data with I2C communication * channel from MCU to TouchScreen. * @param Addr: I2C address * @param Reg: Register address * @param Buffer: Pointer to data buffer * @param Length: Length of the data *//* ... */ void TS_IO_WriteMultiple(uint8_t Addr, uint8_t Reg, uint8_t *Buffer, uint16_t Length) { FMPI2Cx_WriteMultiple(&hI2cAudioHandler, Addr, (uint16_t)Reg, I2C_MEMADD_SIZE_8BIT, Buffer, Length); }{ ... } /** * @brief AUDIO Codec delay * @param Delay: Delay in ms *//* ... */ void AUDIO_IO_Delay(uint32_t Delay) { HAL_Delay(Delay); }{ ... } LINK AUDIO /******************************** LINK TS (TouchScreen) *****************************/ /** * @brief Initializes TS low level. *//* ... */ void TS_IO_Init(void) { GPIO_InitTypeDef gpio_init_structure; TS_RESET_GPIO_CLK_ENABLE(); /* Configure Button pin as input */ gpio_init_structure.Pin = TS_RESET_PIN; gpio_init_structure.Mode = GPIO_MODE_OUTPUT_PP; gpio_init_structure.Pull = GPIO_NOPULL; gpio_init_structure.Speed = GPIO_SPEED_FREQ_LOW; HAL_GPIO_Init(TS_RESET_GPIO_PORT, &gpio_init_structure); FMPI2Cx_Init(&hI2cAudioHandler); }{ ... } /** * @brief Deinitializes TS low level. *//* ... */ void TS_IO_DeInit(void) { FMPI2Cx_DeInit(&hI2cAudioHandler); }{ ... } /** * @brief Reads a single data. * @param Addr: I2C address * @param Reg: Register address * @retval Data to be read *//* ... */ uint8_t TS_IO_Read(uint8_t Addr, uint8_t Reg) { uint8_t read_value = 0; FMPI2Cx_ReadMultiple(&hI2cAudioHandler, Addr, Reg, I2C_MEMADD_SIZE_8BIT, (uint8_t*)&read_value, 1); return read_value; }{ ... } /** * @brief Writes a single data. * @param Addr: I2C address * @param Reg: Reg address * @param Value: Data to be written *//* ... */ void TS_IO_Write(uint8_t Addr, uint8_t Reg, uint8_t Value) { FMPI2Cx_WriteMultiple(&hI2cAudioHandler, Addr, (uint16_t)Reg, I2C_MEMADD_SIZE_8BIT,(uint8_t*)&Value, 1); }{ ... } /** * @brief Delay function used in TouchScreen low level driver. * @param Delay: Delay in ms *//* ... */ void TS_IO_Delay(uint32_t Delay) { HAL_Delay(Delay); }{ ... } /** * @} *//* ... */ /** * @} *//* ... */ /** * @} *//* ... */ /** * @} *//* ... */