ST
BSP files for STM32H747I-Discovery Copy from ST Cube delivery
Dependents: DISCO_H747I_LCD_demo DISCO_H747I_AUDIO_demo
Diff: STM32H747I-Discovery/stm32h747i_discovery.c
- Revision:
- 0:146cf26a9bbb
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/STM32H747I-Discovery/stm32h747i_discovery.c Wed Sep 25 13:37:39 2019 +0200
@@ -0,0 +1,1034 @@
+/**
+ ******************************************************************************
+ * @file stm32h747i_discovery.c
+ * @author MCD Application Team
+ * @brief This file provides a set of firmware functions to manage LEDs,
+ * push-buttons, external SDRAM, external QSPI Flash,
+ * available on STM32H747I-Discovery board (MB1248) from
+ * STMicroelectronics.
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>© Copyright (c) 2019 STMicroelectronics.
+ * All rights reserved.</center></h2>
+ *
+ * This software component is licensed by ST under BSD 3-Clause license,
+ * the "License"; You may not use this file except in compliance with the
+ * License. You may obtain a copy of the License at:
+ * opensource.org/licenses/BSD-3-Clause
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32h747i_discovery.h"
+
+/** @defgroup BSP BSP
+ * @{
+ */
+
+/** @defgroup STM32H747I_DISCOVERY STM32H747I_DISCOVERY
+ * @{
+ */
+
+/** @defgroup STM32H747I_DISCOVERY_LOW_LEVEL STM32H747I_DISCOVERY_LOW_LEVEL
+ * @{
+ */
+
+/** @defgroup STM32H747I_DISCOVERY_LOW_LEVEL_Private_Defines Private Defines
+ * @{
+ */
+/**
+ * @brief STM32H747I Discovery BSP Driver version number V1.0.0
+ */
+#define __STM32H747I_DISCOVERY_BSP_VERSION_MAIN (0x01) /*!< [31:24] main version */
+#define __STM32H747I_DISCOVERY_BSP_VERSION_SUB1 (0x00) /*!< [23:16] sub1 version */
+#define __STM32H747I_DISCOVERY_BSP_VERSION_SUB2 (0x00) /*!< [15:8] sub2 version */
+#define __STM32H747I_DISCOVERY_BSP_VERSION_RC (0x00) /*!< [7:0] release candidate */
+#define __STM32H747I_DISCOVERY_BSP_VERSION ((__STM32H747I_DISCOVERY_BSP_VERSION_MAIN << 24)\
+ |(__STM32H747I_DISCOVERY_BSP_VERSION_SUB1 << 16)\
+ |(__STM32H747I_DISCOVERY_BSP_VERSION_SUB2 << 8 )\
+ |(__STM32H747I_DISCOVERY_BSP_VERSION_RC))
+/**
+ * @}
+ */
+
+
+/** @defgroup STM32H747I_DISCOVERY_LOW_LEVEL_Private_Variables Private Variables
+ * @{
+ */
+
+GPIO_TypeDef* GPIO_PORT[LEDn] = {LED1_GPIO_PORT,
+ LED2_GPIO_PORT,
+ LED3_GPIO_PORT,
+ LED4_GPIO_PORT};
+
+const uint32_t GPIO_PIN[LEDn] = {LED1_PIN,
+ LED2_PIN,
+ LED3_PIN,
+ LED4_PIN};
+
+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 };
+
+GPIO_TypeDef* JOY_PORT[JOYn] = {SEL_JOY_GPIO_PORT,
+ DOWN_JOY_GPIO_PORT,
+ LEFT_JOY_GPIO_PORT,
+ RIGHT_JOY_GPIO_PORT,
+ UP_JOY_GPIO_PORT};
+
+const uint16_t JOY_PIN[JOYn] = {SEL_JOY_PIN,
+ DOWN_JOY_PIN,
+ LEFT_JOY_PIN,
+ RIGHT_JOY_PIN,
+ UP_JOY_PIN};
+
+const uint8_t JOY_IRQn[JOYn] = {SEL_JOY_EXTI_IRQn,
+ DOWN_JOY_EXTI_IRQn,
+ LEFT_JOY_EXTI_IRQn,
+ RIGHT_JOY_EXTI_IRQn,
+ UP_JOY_EXTI_IRQn};
+
+static I2C_HandleTypeDef heval_I2c = {0};
+
+#if defined(BSP_USE_CMSIS_OS)
+static osSemaphoreId BspI2cSemaphore = 0;
+#endif
+
+/**
+ * @}
+ */
+
+/** @defgroup STM32H747I_DISCOVERY_LOW_LEVEL_Private_FunctionPrototypes Private FunctionPrototypes
+ * @{
+ */
+static void I2Cx_MspInit(void);
+static void I2Cx_Init(void);
+static void I2Cx_Write(uint8_t Addr, uint8_t Reg, uint8_t Value);
+static uint8_t I2Cx_Read(uint8_t Addr, uint8_t Reg);
+static HAL_StatusTypeDef I2Cx_ReadMultiple(uint8_t Addr, uint16_t Reg, uint16_t MemAddSize, uint8_t *Buffer, uint16_t Length);
+static HAL_StatusTypeDef I2Cx_WriteMultiple(uint8_t Addr, uint16_t Reg, uint16_t MemAddSize, uint8_t *Buffer, uint16_t Length);
+static HAL_StatusTypeDef I2Cx_IsDeviceReady(uint16_t DevAddress, uint32_t Trials);
+static void I2Cx_Error(uint8_t Addr);
+
+/* HDMI IO functions */
+void HDMI_IO_Init(void);
+void HDMI_IO_Delay(uint32_t Delay);
+void HDMI_IO_Write(uint8_t Addr, uint8_t Reg, uint8_t Value);
+uint8_t HDMI_IO_Read(uint8_t Addr, uint8_t Reg);
+
+/* 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);
+
+/* CAMERA IO functions */
+void CAMERA_IO_Init(void);
+void CAMERA_Delay(uint32_t Delay);
+void CAMERA_IO_Write(uint8_t Addr, uint16_t Reg, uint16_t Value);
+uint16_t CAMERA_IO_Read(uint8_t Addr, uint16_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);
+
+/* TouchScreen (TS) 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);
+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);
+
+/* LCD Display IO functions */
+void OTM8009A_IO_Delay(uint32_t Delay);
+/**
+ * @}
+ */
+
+/** @defgroup STM32H747I_DISCOVERY_BSP_Exported_Functions BSP Exported Functions
+ * @{
+ */
+
+/**
+ * @brief BSP Error Notification
+ * @note Defined as a weak function to be overwritten by the application.
+ * @retval None
+ */
+__weak void BSP_ErrorNotify(void)
+{
+}
+
+ /**
+ * @brief This method returns the STM32H747I Discovery BSP Driver revision
+ * @retval version: 0xXYZR (8bits for each decimal, R for RC)
+ */
+uint32_t BSP_GetVersion(void)
+{
+ return __STM32H747I_DISCOVERY_BSP_VERSION;
+}
+
+/**
+ * @brief Configures LED GPIO.
+ * @param Led: LED to be configured.
+ * This parameter can be one of the following values:
+ * @arg DISCO_LED1
+ * @arg DISCO_LED2
+ * @arg DISCO_LED3
+ * @arg DISCO_LED4
+ * @retval None
+ */
+void BSP_LED_Init(Led_TypeDef Led)
+{
+ GPIO_InitTypeDef GPIO_InitStruct;
+
+ /* Enable the GPIO_LED clock */
+ LEDx_GPIO_CLK_ENABLE();
+
+ /* Configure the GPIO_LED pin */
+ GPIO_InitStruct.Pin = GPIO_PIN[Led];
+ GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
+ GPIO_InitStruct.Pull = GPIO_PULLUP;
+ GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
+
+ HAL_GPIO_Init(GPIO_PORT[Led], &GPIO_InitStruct);
+
+ /* By default, turn off LED */
+ HAL_GPIO_WritePin(GPIO_PORT[Led], GPIO_PIN[Led], GPIO_PIN_SET);
+}
+
+
+/**
+ * @brief DeInit LEDs.
+ * @param Led: LED to be configured.
+ * This parameter can be one of the following values:
+ * @arg DISCO_LED1
+ * @arg DISCO_LED2
+ * @arg DISCO_LED3
+ * @arg DISCO_LED4
+ * @note Led DeInit does not disable the GPIO clock
+ * @retval None
+ */
+void BSP_LED_DeInit(Led_TypeDef Led)
+{
+ /* Turn off LED */
+ HAL_GPIO_WritePin(GPIO_PORT[Led], GPIO_PIN[Led], GPIO_PIN_RESET);
+ /* Configure the GPIO_LED pin */
+ HAL_GPIO_DeInit(GPIO_PORT[Led], GPIO_PIN[Led]);
+}
+
+/**
+ * @brief Turns selected LED On.
+ * @param Led: LED to be set on
+ * This parameter can be one of the following values:
+ * @arg DISCO_LED1
+ * @arg DISCO_LED2
+ * @arg DISCO_LED3
+ * @arg DISCO_LED4
+ * @retval None
+ */
+void BSP_LED_On(Led_TypeDef Led)
+{
+ HAL_GPIO_WritePin(GPIO_PORT[Led], GPIO_PIN[Led], GPIO_PIN_RESET);
+}
+
+/**
+ * @brief Turns selected LED Off.
+ * @param Led: LED to be set off
+ * This parameter can be one of the following values:
+ * @arg DISCO_LED1
+ * @arg DISCO_LED2
+ * @arg DISCO_LED3
+ * @arg DISCO_LED4
+ * @retval None
+ */
+void BSP_LED_Off(Led_TypeDef Led)
+{
+ HAL_GPIO_WritePin(GPIO_PORT[Led], GPIO_PIN[Led], GPIO_PIN_SET);
+}
+
+/**
+ * @brief Toggles the selected LED.
+ * @param Led: LED to be toggled
+ * This parameter can be one of the following values:
+ * @arg DISCO_LED1
+ * @arg DISCO_LED2
+ * @arg DISCO_LED3
+ * @arg DISCO_LED4
+ * @retval None
+ */
+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
+ * @arg BUTTON_USER: User Push Button
+ * @param Button_Mode: 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
+ * @retval None
+ */
+void BSP_PB_Init(Button_TypeDef Button, ButtonMode_TypeDef Button_Mode)
+{
+ GPIO_InitTypeDef GPIO_InitStruct;
+
+ /* Enable the BUTTON clock */
+ BUTTON_GPIO_CLK_ENABLE();
+
+ if(Button_Mode == BUTTON_MODE_GPIO)
+ {
+ /* Configure Button pin as input */
+ GPIO_InitStruct.Pin = BUTTON_PIN[Button];
+ GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
+ GPIO_InitStruct.Pull = GPIO_NOPULL;
+ GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
+ HAL_GPIO_Init(BUTTON_PORT[Button], &GPIO_InitStruct);
+ }
+
+ if(Button_Mode == BUTTON_MODE_EXTI)
+ {
+ /* Configure Button pin as input with External interrupt */
+ GPIO_InitStruct.Pin = BUTTON_PIN[Button];
+ GPIO_InitStruct.Pull = GPIO_NOPULL;
+ GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
+
+ GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING;
+
+ HAL_GPIO_Init(BUTTON_PORT[Button], &GPIO_InitStruct);
+
+ /* 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_USER: User Push Button
+ * @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_USER: User Push Button
+ * @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 all joystick's buttons in GPIO or EXTI modes.
+ * @param Joy_Mode: Joystick mode.
+ * This parameter can be one of the following values:
+ * @arg JOY_MODE_GPIO: Joystick pins will be used as simple IOs
+ * @arg JOY_MODE_EXTI: Joystick pins will be connected to EXTI line
+ * with interrupt generation capability
+ * @retval HAL_OK: if all initializations are OK. Other value if error.
+ */
+uint8_t BSP_JOY_Init(JOYMode_TypeDef Joy_Mode)
+{
+ JOYState_TypeDef joykey;
+ GPIO_InitTypeDef GPIO_InitStruct;
+
+ /* Initialized the Joystick. */
+ for(joykey = JOY_SEL; joykey < (JOY_SEL + JOYn) ; joykey++)
+ {
+ /* Enable the JOY clock */
+ JOYx_GPIO_CLK_ENABLE(joykey);
+
+ GPIO_InitStruct.Pin = JOY_PIN[joykey];
+ GPIO_InitStruct.Pull = GPIO_PULLUP;
+ GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
+
+ if (Joy_Mode == JOY_MODE_GPIO)
+ {
+ /* Configure Joy pin as input */
+ GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
+ HAL_GPIO_Init(JOY_PORT[joykey], &GPIO_InitStruct);
+ }
+ else if (Joy_Mode == JOY_MODE_EXTI)
+ {
+ /* Configure Joy pin as input with External interrupt */
+ GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING_FALLING;
+ HAL_GPIO_Init(JOY_PORT[joykey], &GPIO_InitStruct);
+
+ /* Enable and set Joy EXTI Interrupt to the lowest priority */
+ HAL_NVIC_SetPriority((IRQn_Type)(JOY_IRQn[joykey]), 0x0F, 0x00);
+ HAL_NVIC_EnableIRQ((IRQn_Type)(JOY_IRQn[joykey]));
+ }
+ }
+
+ return HAL_OK;
+}
+
+/**
+ * @brief Un-configures all GPIOs used as joystick's buttons.
+ * @retval None.
+ */
+void BSP_JOY_DeInit(void)
+{
+ JOYState_TypeDef joykey;
+
+ /* Initialized the Joystick. */
+ for(joykey = JOY_SEL; joykey < (JOY_SEL + JOYn) ; joykey++)
+ {
+ /* Enable the JOY clock */
+ JOYx_GPIO_CLK_ENABLE(joykey);
+
+ HAL_GPIO_DeInit(JOY_PORT[joykey], JOY_PIN[joykey]);
+ }
+}
+
+/**
+* @brief Returns the current joystick status.
+* @retval Code of the joystick key pressed
+* This code can be one of the following values:
+* @arg JOY_NONE
+* @arg JOY_SEL
+* @arg JOY_DOWN
+* @arg JOY_LEFT
+* @arg JOY_RIGHT
+* @arg JOY_UP
+*/
+JOYState_TypeDef BSP_JOY_GetState(void)
+{
+ JOYState_TypeDef joykey;
+
+ for (joykey = JOY_SEL; joykey < (JOY_SEL + JOYn) ; joykey++)
+ {
+ if (HAL_GPIO_ReadPin(JOY_PORT[joykey], JOY_PIN[joykey]) == GPIO_PIN_RESET)
+ {
+ /* Return Code Joystick key pressed */
+ return joykey;
+ }
+ }
+
+ /* No Joystick key pressed */
+ return JOY_NONE;
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup STM32H747I_DISCOVERY_LOW_LEVEL_Private_Functions Private Functions
+ * @{
+ */
+/*******************************************************************************
+ BUS OPERATIONS
+*******************************************************************************/
+
+/******************************* I2C Routines *********************************/
+/**
+ * @brief Initializes I2C MSP.
+ * @retval None
+ */
+static void I2Cx_MspInit(void)
+{
+ GPIO_InitTypeDef gpio_init_structure;
+ RCC_PeriphCLKInitTypeDef RCC_PeriphClkInit;
+
+ /* Configure the I2C clock source */
+ RCC_PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_I2C123;
+ RCC_PeriphClkInit.I2c123ClockSelection = RCC_I2C123CLKSOURCE_D2PCLK1;
+ HAL_RCCEx_PeriphCLKConfig(&RCC_PeriphClkInit);
+
+ /* set STOPWUCK in RCC_CFGR */
+ __HAL_RCC_WAKEUPSTOP_CLK_CONFIG(RCC_STOP_WAKEUPCLOCK_HSI);
+
+ /*** Configure the GPIOs ***/
+ /* Enable GPIO clock */
+ DISCOVERY_I2Cx_SCL_SDA_GPIO_CLK_ENABLE();
+
+ /* Configure I2C Tx as alternate function */
+ gpio_init_structure.Pin = DISCOVERY_I2Cx_SCL_PIN;
+ gpio_init_structure.Mode = GPIO_MODE_AF_OD;
+ gpio_init_structure.Pull = GPIO_NOPULL;
+ gpio_init_structure.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
+ gpio_init_structure.Alternate = DISCOVERY_I2Cx_SCL_SDA_AF;
+ HAL_GPIO_Init(DISCOVERY_I2Cx_SCL_SDA_GPIO_PORT, &gpio_init_structure);
+
+ /* Configure I2C Rx as alternate function */
+ gpio_init_structure.Pin = DISCOVERY_I2Cx_SDA_PIN;
+ HAL_GPIO_Init(DISCOVERY_I2Cx_SCL_SDA_GPIO_PORT, &gpio_init_structure);
+
+ /*** Configure the I2C peripheral ***/
+ /* Enable I2C clock */
+ DISCOVERY_I2Cx_CLK_ENABLE();
+
+ /* Force the I2C peripheral clock reset */
+ DISCOVERY_I2Cx_FORCE_RESET();
+
+ /* Release the I2C peripheral clock reset */
+ DISCOVERY_I2Cx_RELEASE_RESET();
+
+ /* Enable and set I2Cx Interrupt to a lower priority */
+ HAL_NVIC_SetPriority(DISCOVERY_I2Cx_EV_IRQn, 0x0F, 0);
+ HAL_NVIC_EnableIRQ(DISCOVERY_I2Cx_EV_IRQn);
+
+ /* Enable and set I2Cx Interrupt to a lower priority */
+ HAL_NVIC_SetPriority(DISCOVERY_I2Cx_ER_IRQn, 0x0F, 0);
+ HAL_NVIC_EnableIRQ(DISCOVERY_I2Cx_ER_IRQn);
+}
+
+/**
+ * @brief Initializes I2C HAL.
+ * @retval None
+ */
+static void I2Cx_Init(void)
+{
+ if(HAL_I2C_GetState(&heval_I2c) == HAL_I2C_STATE_RESET)
+ {
+#if defined(BSP_USE_CMSIS_OS)
+ if(BspI2cSemaphore == NULL)
+ {
+ /* Create semaphore to prevent multiple I2C access */
+ osSemaphoreDef(BSP_I2C_SEM);
+ BspI2cSemaphore = osSemaphoreCreate(osSemaphore(BSP_I2C_SEM), 1);
+ }
+#endif
+
+ heval_I2c.Instance = DISCOVERY_I2Cx;
+ heval_I2c.Init.Timing = DISCOVERY_I2Cx_TIMING;
+ heval_I2c.Init.OwnAddress1 = 0x72;
+ heval_I2c.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
+ heval_I2c.Init.DualAddressMode = I2C_DUALADDRESS_ENABLE;
+ heval_I2c.Init.OwnAddress2 = 0;
+ heval_I2c.Init.OwnAddress2Masks = I2C_OA2_NOMASK;
+ heval_I2c.Init.GeneralCallMode = I2C_GENERALCALL_ENABLE;
+ heval_I2c.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
+
+ /* Init the I2C */
+ I2Cx_MspInit();
+ HAL_I2C_Init(&heval_I2c);
+ }
+}
+
+/**
+ * @brief Writes a single data.
+ * @param Addr: I2C address
+ * @param Reg: Register address
+ * @param Value: Data to be written
+ * @retval None
+ */
+static void I2Cx_Write(uint8_t Addr, uint8_t Reg, uint8_t Value)
+{
+ HAL_StatusTypeDef status = HAL_OK;
+
+#if defined(BSP_USE_CMSIS_OS)
+ /* Get semaphore to prevent multiple I2C access */
+ osSemaphoreWait(BspI2cSemaphore, osWaitForever);
+#endif
+
+ status = HAL_I2C_Mem_Write(&heval_I2c, Addr, (uint16_t)Reg, I2C_MEMADD_SIZE_8BIT, &Value, 1, 100);
+
+#if defined(BSP_USE_CMSIS_OS)
+ /* Release semaphore to prevent multiple I2C access */
+ osSemaphoreRelease(BspI2cSemaphore);
+#endif
+
+ /* Check the communication status */
+ if(status != HAL_OK)
+ {
+ /* Execute user timeout callback */
+ I2Cx_Error(Addr);
+ }
+}
+
+/**
+ * @brief Reads a single data.
+ * @param Addr: I2C address
+ * @param Reg: Register address
+ * @retval Read data
+ */
+static uint8_t I2Cx_Read(uint8_t Addr, uint8_t Reg)
+{
+ HAL_StatusTypeDef status = HAL_OK;
+ uint8_t Value = 0;
+
+#if defined(BSP_USE_CMSIS_OS)
+ /* Get semaphore to prevent multiple I2C access */
+ osSemaphoreWait(BspI2cSemaphore, osWaitForever);
+#endif
+
+ status = HAL_I2C_Mem_Read(&heval_I2c, Addr, Reg, I2C_MEMADD_SIZE_8BIT, &Value, 1, 1000);
+
+#if defined(BSP_USE_CMSIS_OS)
+ /* Release semaphore to prevent multiple I2C access */
+ osSemaphoreRelease(BspI2cSemaphore);
+#endif
+
+ /* Check the communication status */
+ if(status != HAL_OK)
+ {
+ /* Execute user timeout callback */
+ I2Cx_Error(Addr);
+ }
+ return Value;
+}
+
+/**
+ * @brief Reads multiple data.
+ * @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 HAL status
+ */
+static HAL_StatusTypeDef I2Cx_ReadMultiple(uint8_t Addr, uint16_t Reg, uint16_t MemAddress, uint8_t *Buffer, uint16_t Length)
+{
+ HAL_StatusTypeDef status = HAL_OK;
+
+#if defined(BSP_USE_CMSIS_OS)
+ /* Get semaphore to prevent multiple I2C access */
+ osSemaphoreWait(BspI2cSemaphore, osWaitForever);
+#endif
+
+ status = HAL_I2C_Mem_Read(&heval_I2c, Addr, (uint16_t)Reg, MemAddress, Buffer, Length, 1000);
+
+#if defined(BSP_USE_CMSIS_OS)
+ /* Release semaphore to prevent multiple I2C access */
+ osSemaphoreRelease(BspI2cSemaphore);
+#endif
+
+ /* Check the communication status */
+ if(status != HAL_OK)
+ {
+ /* I2C error occurred */
+ I2Cx_Error(Addr);
+ }
+ return status;
+}
+
+/**
+ * @brief Writes a value in a register of the device through BUS in using DMA mode.
+ * @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(uint8_t Addr, uint16_t Reg, uint16_t MemAddress, uint8_t *Buffer, uint16_t Length)
+{
+ HAL_StatusTypeDef status = HAL_OK;
+
+#if defined(BSP_USE_CMSIS_OS)
+ /* Get semaphore to prevent multiple I2C access */
+ osSemaphoreWait(BspI2cSemaphore, osWaitForever);
+#endif
+
+ status = HAL_I2C_Mem_Write(&heval_I2c, Addr, (uint16_t)Reg, MemAddress, Buffer, Length, 1000);
+
+#if defined(BSP_USE_CMSIS_OS)
+ /* Release semaphore to prevent multiple I2C access */
+ osSemaphoreRelease(BspI2cSemaphore);
+#endif
+
+ /* Check the communication status */
+ if(status != HAL_OK)
+ {
+ /* Re-Initiaize the I2C Bus */
+ I2Cx_Error(Addr);
+ }
+ return status;
+}
+
+/**
+ * @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
+ */
+static HAL_StatusTypeDef I2Cx_IsDeviceReady(uint16_t DevAddress, uint32_t Trials)
+{
+ HAL_StatusTypeDef status = HAL_OK;
+
+#if defined(BSP_USE_CMSIS_OS)
+ /* Get semaphore to prevent multiple I2C access */
+ osSemaphoreWait(BspI2cSemaphore, osWaitForever);
+#endif
+
+ status = HAL_I2C_IsDeviceReady(&heval_I2c, DevAddress, Trials, 1000);
+
+#if defined(BSP_USE_CMSIS_OS)
+ /* Release semaphore to prevent multiple I2C access */
+ osSemaphoreRelease(BspI2cSemaphore);
+#endif
+
+ return status;
+}
+
+/**
+ * @brief Manages error callback by re-initializing I2C.
+ * @param Addr: I2C Address
+ * @retval None
+ */
+static void I2Cx_Error(uint8_t Addr)
+{
+ BSP_ErrorNotify();
+
+ /* De-initialize the I2C comunication bus */
+ HAL_I2C_DeInit(&heval_I2c);
+
+ /* Re-Initialize the I2C communication bus */
+ I2Cx_Init();
+
+#if defined(BSP_USE_CMSIS_OS)
+ /* Release semaphore to prevent multiple I2C access */
+ osSemaphoreRelease(BspI2cSemaphore);
+#endif
+}
+
+/*******************************************************************************
+ LINK OPERATIONS
+*******************************************************************************/
+
+/********************************* LINK AUDIO *********************************/
+
+/**
+ * @brief Initializes Audio low level.
+ * @retval None
+ */
+void AUDIO_IO_Init(void)
+{
+ I2Cx_Init();
+}
+
+/**
+ * @brief De-Initializes 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(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(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);
+}
+
+/********************************* LINK CAMERA ********************************/
+
+/**
+ * @brief Initializes Camera low level.
+ * @retval None
+ */
+void CAMERA_IO_Init(void)
+{
+ I2Cx_Init();
+}
+
+/**
+ * @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, uint16_t Reg, uint16_t Value)
+{
+
+ I2Cx_WriteMultiple(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
+ */
+uint16_t CAMERA_IO_Read(uint8_t Addr, uint16_t Reg)
+{
+
+ uint16_t Read_Value = 0;
+
+ I2Cx_ReadMultiple(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);
+}
+
+/******************************** LINK I2C EEPROM *****************************/
+
+/**
+ * @brief Initializes peripherals used by the I2C EEPROM driver.
+ * @retval None
+ */
+void EEPROM_IO_Init(void)
+{
+ I2Cx_Init();
+}
+
+/**
+ * @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(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(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(DevAddress, Trials));
+}
+
+/******************************** LINK TS (TouchScreen) *****************************/
+
+/**
+ * @brief Initialize I2C communication
+ * channel from MCU to TouchScreen (TS).
+ */
+void TS_IO_Init(void)
+{
+ I2Cx_Init();
+}
+
+/**
+ * @brief Writes single data with I2C communication
+ * channel from MCU to TouchScreen.
+ * @param Addr: I2C address
+ * @param Reg: Register address
+ * @param Value: Data to be written
+ */
+void TS_IO_Write(uint8_t Addr, uint8_t Reg, uint8_t Value)
+{
+ I2Cx_Write(Addr, Reg, Value);
+}
+
+/**
+ * @brief Reads single data with I2C communication
+ * channel from TouchScreen.
+ * @param Addr: I2C address
+ * @param Reg: Register address
+ * @retval Read data
+ */
+uint8_t TS_IO_Read(uint8_t Addr, uint8_t Reg)
+{
+ return I2Cx_Read(Addr, Reg);
+}
+
+/**
+ * @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 I2Cx_ReadMultiple(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
+ * @retval None
+ */
+void TS_IO_WriteMultiple(uint8_t Addr, uint8_t Reg, uint8_t *Buffer, uint16_t Length)
+{
+ I2Cx_WriteMultiple(Addr, (uint16_t)Reg, I2C_MEMADD_SIZE_8BIT, Buffer, Length);
+}
+
+/**
+ * @brief Delay function used in TouchScreen low level driver.
+ * @param Delay: Delay in ms
+ * @retval None
+ */
+void TS_IO_Delay(uint32_t Delay)
+{
+ HAL_Delay(Delay);
+}
+
+/**************************** LINK OTM8009A (Display driver) ******************/
+/**
+ * @brief OTM8009A delay
+ * @param Delay: Delay in ms
+ */
+void OTM8009A_IO_Delay(uint32_t Delay)
+{
+ HAL_Delay(Delay);
+}
+
+#if defined(USE_LCD_HDMI)
+/**************************** LINK ADV7533 DSI-HDMI (Display driver) **********/
+/**
+ * @brief Initializes HDMI IO low level.
+ * @retval None
+ */
+void HDMI_IO_Init(void)
+{
+ I2Cx_Init();
+}
+
+/**
+ * @brief HDMI writes single data.
+ * @param Addr: I2C address
+ * @param Reg: Register address
+ * @param Value: Data to be written
+ * @retval None
+ */
+void HDMI_IO_Write(uint8_t Addr, uint8_t Reg, uint8_t Value)
+{
+ I2Cx_Write(Addr, Reg, Value);
+}
+
+/**
+ * @brief Reads single data with I2C communication
+ * channel from HDMI bridge.
+ * @param Addr: I2C address
+ * @param Reg: Register address
+ * @retval Read data
+ */
+uint8_t HDMI_IO_Read(uint8_t Addr, uint8_t Reg)
+{
+ return I2Cx_Read(Addr, Reg);
+}
+
+/**
+ * @brief HDMI delay
+ * @param Delay: Delay in ms
+ * @retval None
+ */
+void HDMI_IO_Delay(uint32_t Delay)
+{
+ HAL_Delay(Delay);
+}
+#endif /* USE_LCD_HDMI */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/