stm32f769i_discovery.c

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/* Dependencies
- stm32f7xx_hal_cortex.c
- stm32f7xx_hal_gpio.c
- stm32f7xx_hal_uart.c
- stm32f7xx_hal_i2c.c
EndDependencies */
 
/* Includes ------------------------------------------------------------------*/
#include "stm32f769i_discovery.h"
 
#define __STM32F769I_DISCOVERY_BSP_VERSION_MAIN   (0x02) 
#define __STM32F769I_DISCOVERY_BSP_VERSION_SUB1   (0x00) 
#define __STM32F769I_DISCOVERY_BSP_VERSION_SUB2   (0x01) 
#define __STM32F769I_DISCOVERY_BSP_VERSION_RC     (0x00) 
#define __STM32F769I_DISCOVERY_BSP_VERSION        ((__STM32F769I_DISCOVERY_BSP_VERSION_MAIN << 24)\
                                                 |(__STM32F769I_DISCOVERY_BSP_VERSION_SUB1 << 16)\
                                                 |(__STM32F769I_DISCOVERY_BSP_VERSION_SUB2 << 8 )\
                                                 |(__STM32F769I_DISCOVERY_BSP_VERSION_RC))
 
uint32_t GPIO_PIN[LEDn] = {LED1_PIN,
                           LED2_PIN};
 
GPIO_TypeDef* GPIO_PORT[LEDn] = {LED1_GPIO_PORT,
                                 LED2_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 };
 
 
static I2C_HandleTypeDef hI2cAudioHandler = {0};
static I2C_HandleTypeDef hI2cExtHandler = {0};
 
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);
 
/* 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);
 
/* 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);
uint32_t BSP_GetVersion(void)
{
  return __STM32F769I_DISCOVERY_BSP_VERSION;
}
 
void BSP_LED_Init(Led_TypeDef Led)
{
  GPIO_InitTypeDef  gpio_init_structure;
  
  LEDx_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_PORT[Led], &gpio_init_structure);
 
}
 
 
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);
}
 
void BSP_LED_On(Led_TypeDef Led)
{
  HAL_GPIO_WritePin(GPIO_PORT[Led], GPIO_PIN[Led], GPIO_PIN_SET);
}
 
void BSP_LED_Off(Led_TypeDef Led)
{
  HAL_GPIO_WritePin(GPIO_PORT[Led], GPIO_PIN[Led], GPIO_PIN_RESET);
}
 
void BSP_LED_Toggle(Led_TypeDef Led)
{
  HAL_GPIO_TogglePin(GPIO_PORT[Led], GPIO_PIN[Led]);
}
 
void BSP_PB_Init(Button_TypeDef Button, ButtonMode_TypeDef Button_Mode)
{
  GPIO_InitTypeDef gpio_init_structure;
 
  /* Enable the BUTTON clock */
  BUTTON_GPIO_CLK_ENABLE();
 
  if(Button_Mode == 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(Button_Mode == 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;
 
    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]));
  }
}
 
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);
}
 
 
uint32_t BSP_PB_GetState(Button_TypeDef Button)
{
  return HAL_GPIO_ReadPin(BUTTON_PORT[Button], BUTTON_PIN[Button]);
}
 
/*******************************************************************************
                            BUS OPERATIONS
*******************************************************************************/
 
/******************************* I2C Routines *********************************/
static void I2Cx_MspInit(I2C_HandleTypeDef *i2c_handler)
{
  GPIO_InitTypeDef  gpio_init_structure;
 
  if (i2c_handler == (I2C_HandleTypeDef*)(&hI2cAudioHandler))
  {
  /*** Configure the GPIOs ***/
  /* Enable GPIO clock */
  DISCOVERY_AUDIO_I2Cx_SCL_GPIO_CLK_ENABLE();
  DISCOVERY_AUDIO_I2Cx_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_AF;
  HAL_GPIO_Init(DISCOVERY_AUDIO_I2Cx_SCL_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_SDA_AF;
  HAL_GPIO_Init(DISCOVERY_AUDIO_I2Cx_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 I2C1 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 I2C1 Interrupt to a lower priority */
  HAL_NVIC_SetPriority(DISCOVERY_AUDIO_I2Cx_ER_IRQn, 0x0F, 0);
  HAL_NVIC_EnableIRQ(DISCOVERY_AUDIO_I2Cx_ER_IRQn);    
    
  }
  else
  {
  /*** 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 I2C1 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 I2C1 Interrupt to a lower priority */
  HAL_NVIC_SetPriority(DISCOVERY_EXT_I2Cx_ER_IRQn, 0x0F, 0);
  HAL_NVIC_EnableIRQ(DISCOVERY_EXT_I2Cx_ER_IRQn);
  }
}
 
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);
  }
}
 
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 occured */
    I2Cx_Error(i2c_handler, Addr);
  }
  return 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;
}
 
static HAL_StatusTypeDef I2Cx_IsDeviceReady(I2C_HandleTypeDef *i2c_handler, uint16_t DevAddress, uint32_t Trials)
{ 
  return (HAL_I2C_IsDeviceReady(i2c_handler, DevAddress, Trials, 1000));
}
 
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 *********************************/
 
void AUDIO_IO_Init(void)
{
  I2Cx_Init(&hI2cAudioHandler);
}
 
void AUDIO_IO_DeInit(void)
{
 
}
 
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);
}
 
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;
}
 
void AUDIO_IO_Delay(uint32_t Delay)
{
  HAL_Delay(Delay);
}
 
/******************************** LINK I2C EEPROM *****************************/
 
void EEPROM_IO_Init(void)
{
  I2Cx_Init(&hI2cExtHandler);
}
 
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));
}
 
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));
}
 
HAL_StatusTypeDef EEPROM_IO_IsDeviceReady(uint16_t DevAddress, uint32_t Trials)
{ 
  return (I2Cx_IsDeviceReady(&hI2cExtHandler, DevAddress, Trials));
}
 
/******************************** LINK TS (TouchScreen) ***********************/
 
void TS_IO_Init(void)
{
  I2Cx_Init(&hI2cAudioHandler);
}
 
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);
}
 
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;
}
 
uint16_t TS_IO_ReadMultiple(uint8_t Addr, uint8_t Reg, uint8_t *Buffer, uint16_t Length)
{
 return I2Cx_ReadMultiple(&hI2cAudioHandler, Addr, (uint16_t)Reg, I2C_MEMADD_SIZE_8BIT, Buffer, Length);
}
 
void TS_IO_WriteMultiple(uint8_t Addr, uint8_t Reg, uint8_t *Buffer, uint16_t Length)
{
  I2Cx_WriteMultiple(&hI2cAudioHandler, Addr, (uint16_t)Reg, I2C_MEMADD_SIZE_8BIT, Buffer, Length);
}
 
void TS_IO_Delay(uint32_t Delay)
{
  HAL_Delay(Delay);
}
 
/**************************** LINK OTM8009A (Display driver) ******************/
void OTM8009A_IO_Delay(uint32_t Delay)
{
  HAL_Delay(Delay);
}
 
/**************************** LINK ADV7533 DSI-HDMI (Display driver) **********/
void HDMI_IO_Init(void)
{
  I2Cx_Init(&hI2cAudioHandler);
}
 
void HDMI_IO_Write(uint8_t Addr, uint8_t Reg, uint8_t Value)
{
  I2Cx_WriteMultiple(&hI2cAudioHandler, Addr, (uint16_t)Reg, I2C_MEMADD_SIZE_8BIT, &Value, 1);  
}
 
uint8_t HDMI_IO_Read(uint8_t Addr, uint8_t Reg)
{
  uint8_t value = 0x00;
 
  I2Cx_ReadMultiple(&hI2cAudioHandler, Addr, (uint16_t)Reg, I2C_MEMADD_SIZE_8BIT, &value, 1);
 
  return value;   
}
 
void HDMI_IO_Delay(uint32_t Delay)
{
  HAL_Delay(Delay);
}
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/