JPA sdcard
Drivers/BSP/STM32746G-Discovery/stm32746g_discovery.c
- Committer:
- jeanpierreaulas
- Date:
- 2020-12-30
- Revision:
- 15:435cacf7f874
- Parent:
- 6:e1d9da7fe856
File content as of revision 15:435cacf7f874:
/** ****************************************************************************** * @file stm32746g_discovery.c * @author MCD Application Team * @version V1.1.1 * @date 02-June-2016 * @brief This file provides a set of firmware functions to manage LEDs, * push-buttons and COM ports available on STM32746G-Discovery * board(MB1191) from STMicroelectronics. ****************************************************************************** * @attention * * <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2> * * 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 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 STMicroelectronics nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 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. * ****************************************************************************** */ /* Includes ------------------------------------------------------------------*/ #include "stm32746g_discovery.h" void wait_ms(int ms); // MBED to replace HAL_Delay function /** @addtogroup BSP * @{ */ /** @addtogroup STM32746G_DISCOVERY * @{ */ /** @defgroup STM32746G_DISCOVERY_LOW_LEVEL STM32746G_DISCOVERY_LOW_LEVEL * @{ */ /** @defgroup STM32746G_DISCOVERY_LOW_LEVEL_Private_TypesDefinitions STM32746G_DISCOVERY_LOW_LEVEL Private Types Definitions * @{ */ /** * @} */ /** @defgroup STM32746G_DISCOVERY_LOW_LEVEL_Private_Defines STM32746G_DISCOVERY_LOW_LEVEL Private Defines * @{ */ /** * @brief STM32746G DISCOVERY BSP Driver version number V1.1.1 */ #define __STM32746G_DISCO_BSP_VERSION_MAIN (0x01) /*!< [31:24] main version */ #define __STM32746G_DISCO_BSP_VERSION_SUB1 (0x01) /*!< [23:16] sub1 version */ #define __STM32746G_DISCO_BSP_VERSION_SUB2 (0x01) /*!< [15:8] sub2 version */ #define __STM32746G_DISCO_BSP_VERSION_RC (0x00) /*!< [7:0] release candidate */ #define __STM32746G_DISCO_BSP_VERSION ((__STM32746G_DISCO_BSP_VERSION_MAIN << 24)\ |(__STM32746G_DISCO_BSP_VERSION_SUB1 << 16)\ |(__STM32746G_DISCO_BSP_VERSION_SUB2 << 8 )\ |(__STM32746G_DISCO_BSP_VERSION_RC)) /** * @} */ /** @defgroup STM32746G_DISCOVERY_LOW_LEVEL_Private_Macros STM32746G_DISCOVERY_LOW_LEVEL Private Macros * @{ */ /** * @} */ /** @defgroup STM32746G_DISCOVERY_LOW_LEVEL_Private_Variables STM32746G_DISCOVERY_LOW_LEVEL Private Variables * @{ */ const uint32_t GPIO_PIN[LEDn] = {LED1_PIN}; GPIO_TypeDef* BUTTON_PORT[BUTTONn] = {WAKEUP_BUTTON_GPIO_PORT, TAMPER_BUTTON_GPIO_PORT, KEY_BUTTON_GPIO_PORT}; const uint16_t BUTTON_PIN[BUTTONn] = {WAKEUP_BUTTON_PIN, TAMPER_BUTTON_PIN, KEY_BUTTON_PIN}; const uint16_t BUTTON_IRQn[BUTTONn] = {WAKEUP_BUTTON_EXTI_IRQn, TAMPER_BUTTON_EXTI_IRQn, KEY_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 I2C_HandleTypeDef hI2cAudioHandler = {0}; static I2C_HandleTypeDef hI2cExtHandler = {0}; /** * @} */ /** @defgroup STM32746G_DISCOVERY_LOW_LEVEL_Private_FunctionPrototypes STM32746G_DISCOVERY_LOW_LEVEL Private Function Prototypes * @{ */ static void I2Cx_MspInit(I2C_HandleTypeDef *i2c_handler); static void I2Cx_Init(I2C_HandleTypeDef *i2c_handler); static HAL_StatusTypeDef I2Cx_ReadMultiple(I2C_HandleTypeDef *i2c_handler, uint8_t Addr, uint16_t Reg, uint16_t MemAddSize, uint8_t *Buffer, uint16_t Length); static HAL_StatusTypeDef I2Cx_WriteMultiple(I2C_HandleTypeDef *i2c_handler, uint8_t Addr, uint16_t Reg, uint16_t MemAddSize, uint8_t *Buffer, uint16_t Length); static HAL_StatusTypeDef I2Cx_IsDeviceReady(I2C_HandleTypeDef *i2c_handler, uint16_t DevAddress, uint32_t Trials); static void I2Cx_Error(I2C_HandleTypeDef *i2c_handler, uint8_t Addr); /* 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 IO functions */ void TS_IO_Init(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); void TS_IO_Delay(uint32_t Delay); /* CAMERA IO functions */ void CAMERA_IO_Init(void); void CAMERA_Delay(uint32_t Delay); void CAMERA_IO_Write(uint8_t Addr, uint8_t Reg, uint8_t Value); uint8_t CAMERA_IO_Read(uint8_t Addr, uint8_t Reg); /* I2C EEPROM IO function */ void EEPROM_IO_Init(void); HAL_StatusTypeDef EEPROM_IO_WriteData(uint16_t DevAddress, uint16_t MemAddress, uint8_t* pBuffer, uint32_t BufferSize); HAL_StatusTypeDef EEPROM_IO_ReadData(uint16_t DevAddress, uint16_t MemAddress, uint8_t* pBuffer, uint32_t BufferSize); HAL_StatusTypeDef EEPROM_IO_IsDeviceReady(uint16_t DevAddress, uint32_t Trials); /** * @} */ /** @defgroup STM32746G_DISCOVERY_LOW_LEVEL_Exported_Functions STM32746G_DISCOVERY_LOW_LEVELSTM32746G_DISCOVERY_LOW_LEVEL Exported Functions * @{ */ /** * @brief This method returns the STM32746G DISCOVERY BSP Driver revision * @retval version: 0xXYZR (8bits for each decimal, R for RC) */ uint32_t BSP_GetVersion(void) { return __STM32746G_DISCO_BSP_VERSION; } /** * @brief Configures LED on GPIO. * @param Led: LED to be configured. * This parameter can be one of the following values: * @arg LED1 * @retval None */ void BSP_LED_Init(Led_TypeDef Led) { GPIO_InitTypeDef gpio_init_structure; GPIO_TypeDef* gpio_led; if (Led == DISCO_LED1) // MBED { gpio_led = LED1_GPIO_PORT; /* Enable the GPIO_LED clock */ LED1_GPIO_CLK_ENABLE(); /* 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_led, &gpio_init_structure); /* By default, turn off LED */ HAL_GPIO_WritePin(gpio_led, GPIO_PIN[Led], GPIO_PIN_RESET); } } /** * @brief DeInit LEDs. * @param Led: LED to be configured. * This parameter can be one of the following values: * @arg LED1 * @note Led DeInit does not disable the GPIO clock * @retval None */ void BSP_LED_DeInit(Led_TypeDef Led) { GPIO_InitTypeDef gpio_init_structure; GPIO_TypeDef* gpio_led; if (Led == DISCO_LED1) // MBED { gpio_led = LED1_GPIO_PORT; /* Turn off LED */ HAL_GPIO_WritePin(gpio_led, GPIO_PIN[Led], GPIO_PIN_RESET); /* Configure the GPIO_LED pin */ gpio_init_structure.Pin = GPIO_PIN[Led]; HAL_GPIO_DeInit(gpio_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 LED1 * @retval None */ void BSP_LED_On(Led_TypeDef Led) { GPIO_TypeDef* gpio_led; if (Led == DISCO_LED1) /* Switch On LED connected to GPIO */ // MBED { gpio_led = LED1_GPIO_PORT; HAL_GPIO_WritePin(gpio_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 LED1 * @retval None */ void BSP_LED_Off(Led_TypeDef Led) { GPIO_TypeDef* gpio_led; if (Led == DISCO_LED1) /* Switch Off LED connected to GPIO */ // MBED { gpio_led = LED1_GPIO_PORT; HAL_GPIO_WritePin(gpio_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 LED1 * @retval None */ void BSP_LED_Toggle(Led_TypeDef Led) { GPIO_TypeDef* gpio_led; if (Led == DISCO_LED1) /* Toggle LED connected to GPIO */ // MBED { gpio_led = LED1_GPIO_PORT; HAL_GPIO_TogglePin(gpio_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 * @arg BUTTON_TAMPER: Tamper Push Button * @arg BUTTON_KEY: Key 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 * @note On STM32746G-Discovery board, the three buttons (Wakeup, Tamper and key buttons) * are mapped on the same push button named "User" * on the board serigraphy. * @retval None */ void BSP_PB_Init(Button_TypeDef Button, ButtonMode_TypeDef ButtonMode) { GPIO_InitTypeDef gpio_init_structure; /* Enable the BUTTON clock */ BUTTONx_GPIO_CLK_ENABLE(Button); 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_NOPULL; gpio_init_structure.Speed = GPIO_SPEED_FAST; HAL_GPIO_Init(BUTTON_PORT[Button], &gpio_init_structure); } 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_NOPULL; gpio_init_structure.Speed = GPIO_SPEED_FAST; if(Button != BUTTON_WAKEUP) { gpio_init_structure.Mode = GPIO_MODE_IT_FALLING; } else { 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])); } } /** * @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 * @arg BUTTON_TAMPER: Tamper Push Button * @arg BUTTON_KEY: Key Push Button * @note On STM32746G-Discovery board, the three buttons (Wakeup, Tamper and key buttons) * are mapped on the same push button named "User" * on the board serigraphy. * @note PB DeInit does not disable the GPIO clock * @retval None */ 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 * @arg BUTTON_TAMPER: Tamper Push Button * @arg BUTTON_KEY: Key Push Button * @note On STM32746G-Discovery board, the three buttons (Wakeup, Tamper and key buttons) * are mapped on the same push button named "User" * on the board serigraphy. * @retval The Button GPIO pin value */ 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 * @arg COM2 * @param huart: Pointer to a UART_HandleTypeDef structure that contains the * configuration information for the specified USART peripheral. * @retval None */ 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_FAST; 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 * @arg COM2 * @param huart: Pointer to a UART_HandleTypeDef structure that contains the * configuration information for the specified USART peripheral. * @retval None */ 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, DMA clock can be shut down in the application by surcharging this __weak function */ } /******************************************************************************* BUS OPERATIONS *******************************************************************************/ /******************************* I2C Routines *********************************/ /** * @brief Initializes I2C MSP. * @param i2c_handler : I2C handler * @retval None */ static void I2Cx_MspInit(I2C_HandleTypeDef *i2c_handler) { GPIO_InitTypeDef gpio_init_structure; if (i2c_handler == (I2C_HandleTypeDef*)(&hI2cAudioHandler)) { /* AUDIO and LCD I2C 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; 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, 0); 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, 0); HAL_NVIC_EnableIRQ(DISCOVERY_AUDIO_I2Cx_ER_IRQn); } else { /* External, camera and Arduino connector I2C MSP init */ /*** Configure the GPIOs ***/ /* Enable GPIO clock */ DISCOVERY_EXT_I2Cx_SCL_SDA_GPIO_CLK_ENABLE(); /* Configure I2C Tx as alternate function */ gpio_init_structure.Pin = DISCOVERY_EXT_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_EXT_I2Cx_SCL_SDA_AF; HAL_GPIO_Init(DISCOVERY_EXT_I2Cx_SCL_SDA_GPIO_PORT, &gpio_init_structure); /* Configure I2C Rx as alternate function */ gpio_init_structure.Pin = DISCOVERY_EXT_I2Cx_SDA_PIN; HAL_GPIO_Init(DISCOVERY_EXT_I2Cx_SCL_SDA_GPIO_PORT, &gpio_init_structure); /*** Configure the I2C peripheral ***/ /* Enable I2C clock */ DISCOVERY_EXT_I2Cx_CLK_ENABLE(); /* Force the I2C peripheral clock reset */ DISCOVERY_EXT_I2Cx_FORCE_RESET(); /* Release the I2C peripheral clock reset */ DISCOVERY_EXT_I2Cx_RELEASE_RESET(); /* Enable and set I2Cx Interrupt to a lower priority */ HAL_NVIC_SetPriority(DISCOVERY_EXT_I2Cx_EV_IRQn, 0x0F, 0); HAL_NVIC_EnableIRQ(DISCOVERY_EXT_I2Cx_EV_IRQn); /* Enable and set I2Cx Interrupt to a lower priority */ HAL_NVIC_SetPriority(DISCOVERY_EXT_I2Cx_ER_IRQn, 0x0F, 0); HAL_NVIC_EnableIRQ(DISCOVERY_EXT_I2Cx_ER_IRQn); } } /** * @brief Initializes I2C HAL. * @param i2c_handler : I2C handler * @retval None */ static void I2Cx_Init(I2C_HandleTypeDef *i2c_handler) { if(HAL_I2C_GetState(i2c_handler) == HAL_I2C_STATE_RESET) { if (i2c_handler == (I2C_HandleTypeDef*)(&hI2cAudioHandler)) { /* Audio and LCD I2C configuration */ i2c_handler->Instance = DISCOVERY_AUDIO_I2Cx; } else { /* External, camera and Arduino connector I2C configuration */ i2c_handler->Instance = DISCOVERY_EXT_I2Cx; } i2c_handler->Init.Timing = DISCOVERY_I2Cx_TIMING; i2c_handler->Init.OwnAddress1 = 0; i2c_handler->Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT; i2c_handler->Init.DualAddressMode = I2C_DUALADDRESS_DISABLE; i2c_handler->Init.OwnAddress2 = 0; i2c_handler->Init.GeneralCallMode = I2C_GENERALCALL_DISABLE; i2c_handler->Init.NoStretchMode = I2C_NOSTRETCH_DISABLE; /* Init the I2C */ I2Cx_MspInit(i2c_handler); HAL_I2C_Init(i2c_handler); } } /** * @brief Reads multiple data. * @param i2c_handler : I2C 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 I2Cx_ReadMultiple(I2C_HandleTypeDef *i2c_handler, uint8_t Addr, uint16_t Reg, uint16_t MemAddress, uint8_t *Buffer, uint16_t Length) { HAL_StatusTypeDef status = HAL_OK; status = HAL_I2C_Mem_Read(i2c_handler, Addr, (uint16_t)Reg, MemAddress, Buffer, Length, 1000); /* Check the communication status */ if(status != HAL_OK) { /* I2C error occurred */ I2Cx_Error(i2c_handler, Addr); } return status; } /** * @brief Writes a value in a register of the device through BUS in using DMA mode. * @param i2c_handler : I2C 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 I2Cx_WriteMultiple(I2C_HandleTypeDef *i2c_handler, uint8_t Addr, uint16_t Reg, uint16_t MemAddress, uint8_t *Buffer, uint16_t Length) { HAL_StatusTypeDef status = HAL_OK; status = HAL_I2C_Mem_Write(i2c_handler, Addr, (uint16_t)Reg, MemAddress, Buffer, Length, 1000); /* Check the communication status */ if(status != HAL_OK) { /* Re-Initiaize the I2C Bus */ I2Cx_Error(i2c_handler, Addr); } return status; } /** * @brief Checks if target device is ready for communication. * @note This function is used with Memory devices * @param i2c_handler : I2C handler * @param DevAddress: Target device address * @param Trials: Number of trials * @retval HAL status */ static HAL_StatusTypeDef I2Cx_IsDeviceReady(I2C_HandleTypeDef *i2c_handler, uint16_t DevAddress, uint32_t Trials) { return (HAL_I2C_IsDeviceReady(i2c_handler, DevAddress, Trials, 1000)); } /** * @brief Manages error callback by re-initializing I2C. * @param i2c_handler : I2C handler * @param Addr: I2C Address * @retval None */ static void I2Cx_Error(I2C_HandleTypeDef *i2c_handler, uint8_t Addr) { /* De-initialize the I2C communication bus */ HAL_I2C_DeInit(i2c_handler); /* Re-Initialize the I2C communication bus */ I2Cx_Init(i2c_handler); } /******************************************************************************* LINK OPERATIONS *******************************************************************************/ /********************************* LINK AUDIO *********************************/ /** * @brief Initializes Audio low level. * @retval None */ void AUDIO_IO_Init(void) { I2Cx_Init(&hI2cAudioHandler); } /** * @brief Deinitializes Audio low level. * @retval None */ void AUDIO_IO_DeInit(void) { } /** * @brief Writes a single data. * @param Addr: I2C address * @param Reg: Reg address * @param Value: Data to be written * @retval None */ 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); I2Cx_WriteMultiple(&hI2cAudioHandler, Addr, Reg, I2C_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; I2Cx_ReadMultiple(&hI2cAudioHandler, Addr, Reg, I2C_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 AUDIO Codec delay * @param Delay: Delay in ms * @retval None */ void AUDIO_IO_Delay(uint32_t Delay) { //HAL_Delay(Delay); // MBED wait_ms(Delay); // MBED } /********************************* LINK CAMERA ********************************/ /** * @brief Initializes Camera low level. * @retval None */ void CAMERA_IO_Init(void) { I2Cx_Init(&hI2cExtHandler); } /** * @brief Camera writes single data. * @param Addr: I2C address * @param Reg: Register address * @param Value: Data to be written * @retval None */ void CAMERA_IO_Write(uint8_t Addr, uint8_t Reg, uint8_t Value) { I2Cx_WriteMultiple(&hI2cExtHandler, Addr, (uint16_t)Reg, I2C_MEMADD_SIZE_8BIT,(uint8_t*)&Value, 1); } /** * @brief Camera reads single data. * @param Addr: I2C address * @param Reg: Register address * @retval Read data */ uint8_t CAMERA_IO_Read(uint8_t Addr, uint8_t Reg) { uint8_t read_value = 0; I2Cx_ReadMultiple(&hI2cExtHandler, Addr, Reg, I2C_MEMADD_SIZE_8BIT, (uint8_t*)&read_value, 1); return read_value; } /** * @brief Camera delay * @param Delay: Delay in ms * @retval None */ void CAMERA_Delay(uint32_t Delay) { //HAL_Delay(Delay); // MBED wait_ms(Delay); // MBED } /******************************** LINK I2C EEPROM *****************************/ /** * @brief Initializes peripherals used by the I2C EEPROM driver. * @retval None */ void EEPROM_IO_Init(void) { I2Cx_Init(&hI2cExtHandler); } /** * @brief Write data to I2C EEPROM driver in using DMA channel. * @param DevAddress: Target device address * @param MemAddress: Internal memory address * @param pBuffer: Pointer to data buffer * @param BufferSize: Amount of data to be sent * @retval HAL status */ HAL_StatusTypeDef EEPROM_IO_WriteData(uint16_t DevAddress, uint16_t MemAddress, uint8_t* pBuffer, uint32_t BufferSize) { return (I2Cx_WriteMultiple(&hI2cExtHandler, DevAddress, MemAddress, I2C_MEMADD_SIZE_16BIT, pBuffer, BufferSize)); } /** * @brief Read data from I2C EEPROM driver in using DMA channel. * @param DevAddress: Target device address * @param MemAddress: Internal memory address * @param pBuffer: Pointer to data buffer * @param BufferSize: Amount of data to be read * @retval HAL status */ HAL_StatusTypeDef EEPROM_IO_ReadData(uint16_t DevAddress, uint16_t MemAddress, uint8_t* pBuffer, uint32_t BufferSize) { return (I2Cx_ReadMultiple(&hI2cExtHandler, DevAddress, MemAddress, I2C_MEMADD_SIZE_16BIT, pBuffer, BufferSize)); } /** * @brief Checks if target device is ready for communication. * @note This function is used with Memory devices * @param DevAddress: Target device address * @param Trials: Number of trials * @retval HAL status */ HAL_StatusTypeDef EEPROM_IO_IsDeviceReady(uint16_t DevAddress, uint32_t Trials) { return (I2Cx_IsDeviceReady(&hI2cExtHandler, DevAddress, Trials)); } /********************************* LINK TOUCHSCREEN *********************************/ /** * @brief Initializes Touchscreen low level. * @retval None */ void TS_IO_Init(void) { I2Cx_Init(&hI2cAudioHandler); } /** * @brief Writes a single data. * @param Addr: I2C address * @param Reg: Reg address * @param Value: Data to be written * @retval None */ void TS_IO_Write(uint8_t Addr, uint8_t Reg, uint8_t Value) { I2Cx_WriteMultiple(&hI2cAudioHandler, Addr, (uint16_t)Reg, I2C_MEMADD_SIZE_8BIT,(uint8_t*)&Value, 1); } /** * @brief Reads a single data. * @param Addr: I2C address * @param Reg: Reg address * @retval Data to be read */ uint8_t TS_IO_Read(uint8_t Addr, uint8_t Reg) { uint8_t read_value = 0; I2Cx_ReadMultiple(&hI2cAudioHandler, Addr, Reg, I2C_MEMADD_SIZE_8BIT, (uint8_t*)&read_value, 1); return read_value; } /** * @brief TS delay * @param Delay: Delay in ms * @retval None */ void TS_IO_Delay(uint32_t Delay) { //HAL_Delay(Delay); // MBED wait_ms(Delay); // MBED } /** * @} */ /** * @} */ /** * @} */ /** * @} */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/