ST
Contains the BSP driver for the DISCO_F413ZH board.
Dependents: DISCO_F413ZH-LCD-demo DISCO_F413ZH-touch-screen-demo DISCO_F413ZH-SD-demo DISCO_F413ZH-PSRAM-demo ... more
Diff: Drivers/BSP/STM32F413H-Discovery/stm32f413h_discovery.c
- Revision:
- 0:4af3ca173992
- Child:
- 3:42b354f5069c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/Drivers/BSP/STM32F413H-Discovery/stm32f413h_discovery.c Wed May 17 10:23:19 2017 +0200
@@ -0,0 +1,923 @@
+/**
+ ******************************************************************************
+ * @file stm32f413h_discovery.c
+ * @author MCD Application Team
+ * @version V1.0.0
+ * @date 27-January-2017
+ * @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
+ *
+ * <h2><center>© COPYRIGHT(c) 2017 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 "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 V1.0.0
+ */
+#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 (0x00) /*!< [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)
+
+/**
+ * @}
+ */
+
+/** @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_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]));
+ }
+}
+
+/**
+ * @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);
+ }
+}
+
+/**
+ * @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);
+ }
+ 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);
+ }
+ 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 ************************************/
+/**
+ * @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
+*******************************************************************************/
+
+/********************************* 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]);
+ }
+}
+
+/**
+ * @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 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 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);
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/