Mylène Bouquillon
test
Diff: Drivers/BSP/STM32746G-Discovery/stm32746g_discovery.c
- Revision:
- 14:1a18e061d0ec
- Parent:
- 13:85dbcff443aa
--- a/Drivers/BSP/STM32746G-Discovery/stm32746g_discovery.c Wed Nov 27 08:29:42 2019 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,902 +0,0 @@
-/**
- ******************************************************************************
- * @file stm32746g_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 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.
- *
- ******************************************************************************
- */
-
-/* Dependencies
-- stm32f7xx_hal_cortex.c
-- stm32f7xx_hal_gpio.c
-- stm32f7xx_hal_uart.c
-- stm32f7xx_hal_i2c.c
-EndDependencies */
-
-/* Includes ------------------------------------------------------------------*/
-#include "stm32746g_discovery.h"
-
-/** @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 V2.0.2
- */
-#define __STM32746G_DISCO_BSP_VERSION_MAIN (0x02) /*!< [31:24] main version */
-#define __STM32746G_DISCO_BSP_VERSION_SUB1 (0x00) /*!< [23:16] sub1 version */
-#define __STM32746G_DISCO_BSP_VERSION_SUB2 (0x02) /*!< [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 DISCO_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 DISCO_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 DISCO_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 DISCO_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 DISCO_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);
-}
-
-/********************************* 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);
-}
-
-/******************************** 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);
-}
-
-/**
- * @}
- */
-
-/**
- * @}
- */
-
-/**
- * @}
- */
-
-/**
- * @}
- */
-
-/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/