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eez-flow-template-stm32l496.../Drivers/BSP/STM32L496G-Discovery/stm32l496g_discovery.c

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/**
******************************************************************************
* @file stm32l496g_discovery.c
* @author MCD Application Team
* @brief This file provides a set of firmware functions to manage Leds,
* push-button and joystick of STM32L496G-Discovery board (MB1261)
******************************************************************************
* @attention
*
* <h2><center>&copy; Copyright (c) 2017 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 "stm32l496g_discovery.h"
#include "stm32l496g_discovery_io.h"
#include "stm32l496g_discovery_lcd.h"
/** @addtogroup BSP
* @{
*/
/** @defgroup STM32L496G_DISCOVERY STM32L496G-DISCOVERY
* @{
*/
/** @defgroup STM32L496G_DISCOVERY_Common STM32L496G-DISCOVERY Common
* @{
*/
/** @defgroup STM32L496G_DISCOVERY_Private_TypesDefinitions Private Types Definitions
* @brief This file provides firmware functions to manage Leds, push-buttons,
* COM ports, SD card on SPI and temperature sensor (TS751) available on
* STM32L496G-DISCOVERY discoveryuation board from STMicroelectronics.
* @{
*/
/**
* @}
*/
/** @defgroup STM32L496G_DISCOVERY_Private_Defines Private Defines
* @{
*/
/**
* @brief STM32L496G DISCOVERY BSP Driver version number
*/
#define __STM32L496G_DISCOVERY_BSP_VERSION_MAIN (0x01) /*!< [31:24] main version */
#define __STM32L496G_DISCOVERY_BSP_VERSION_SUB1 (0x01) /*!< [23:16] sub1 version */
#define __STM32L496G_DISCOVERY_BSP_VERSION_SUB2 (0x06) /*!< [15:8] sub2 version */
#define __STM32L496G_DISCOVERY_BSP_VERSION_RC (0x00) /*!< [7:0] release candidate */
#define __STM32L496G_DISCOVERY_BSP_VERSION ((__STM32L496G_DISCOVERY_BSP_VERSION_MAIN << 24)\
|(__STM32L496G_DISCOVERY_BSP_VERSION_SUB1 << 16)\
|(__STM32L496G_DISCOVERY_BSP_VERSION_SUB2 << 8 )\
|(__STM32L496G_DISCOVERY_BSP_VERSION_RC))
/**
* @}
*/
/** @defgroup STM32L496G_DISCOVERY_Private_Macros Private Macros
* @{
*/
/**
* @}
*/
/** @defgroup STM32L496G_DISCOVERY_Exported_Variables Exported Variables
* @{
*/
/**
* @brief LED variables
*/
const uint16_t LED_PIN[LEDn] = {LED1_PIN,
LED2_PIN
};
/**
* @brief JOYSTICK variables
*/
GPIO_TypeDef *JOY_PORT[JOYn] = {SEL_JOY_GPIO_PORT,
LEFT_JOY_GPIO_PORT,
RIGHT_JOY_GPIO_PORT,
DOWN_JOY_GPIO_PORT,
UP_JOY_GPIO_PORT
};
const uint16_t JOY_PIN[JOYn] = {SEL_JOY_PIN,
LEFT_JOY_PIN,
RIGHT_JOY_PIN,
DOWN_JOY_PIN,
UP_JOY_PIN
};
const uint8_t JOY_IRQn[JOYn] = {SEL_JOY_EXTI_IRQn,
LEFT_JOY_EXTI_IRQn,
RIGHT_JOY_EXTI_IRQn,
DOWN_JOY_EXTI_IRQn,
UP_JOY_EXTI_IRQn
};
/**
* @brief COM port variables
*/
#if defined(HAL_UART_MODULE_ENABLED)
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};
#endif /* HAL_UART_MODULE_ENABLED */
/**
* @brief BUS variables
*/
#if defined(HAL_I2C_MODULE_ENABLED)
uint32_t I2c1Timeout = DISCOVERY_I2C2_TIMEOUT_MAX; /*<! Value of Timeout when I2C1 communication fails */
uint32_t I2c2Timeout = DISCOVERY_I2C2_TIMEOUT_MAX; /*<! Value of Timeout when I2C2 communication fails */
uint32_t ts_io_init = 0;
static I2C_HandleTypeDef I2c2Handle = {0};
static I2C_HandleTypeDef hI2cTSHandler = {0}; /* Touch Screen (Capacitive Touch Panel) Handler */
static I2C_HandleTypeDef hI2cAudioHandler = {0};
static I2C_HandleTypeDef hI2cCameraHandler = {0} ;
#endif /* HAL_I2C_MODULE_ENABLED */
/**
* @}
*/
/** @defgroup STM32L496G_DISCOVERY_Private_FunctionPrototypes Private Functions
* @{
*/
/**************************** Bus functions ************************************/
/* I2C2 bus function */
#if defined(HAL_I2C_MODULE_ENABLED)
static void I2C2_MspInit(I2C_HandleTypeDef *hi2c);
static void I2C2_MspDeInit(I2C_HandleTypeDef *hi2c);
static void I2C2_WriteData(uint16_t Addr, uint16_t Reg, uint16_t RegSize, uint8_t Value);
static HAL_StatusTypeDef I2C2_WriteBuffer(uint16_t Addr, uint16_t Reg, uint16_t RegSize, uint8_t *pBuffer, uint16_t Length);
static uint8_t I2C2_ReadData(uint16_t Addr, uint16_t Reg, uint16_t RegSize);
static HAL_StatusTypeDef I2C2_ReadBuffer(uint16_t Addr, uint16_t Reg, uint16_t RegSize, uint8_t *pBuffer, uint16_t Length);
static void I2C2_Error(void);
#endif/* HAL_I2C_MODULE_ENABLED */
/**************************** Link functions ***********************************/
#if defined(HAL_I2C_MODULE_ENABLED)
static void FMC_BANK1_WriteData(uint16_t Data);
static void FMC_BANK1_WriteReg(uint8_t Reg);
static uint16_t FMC_BANK1_ReadData(void);
static void FMC_BANK1_Init(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);
/* Link functions for Audio Codec peripheral */
void AUDIO_IO_Init(void);
void AUDIO_IO_DeInit(void);
void AUDIO_IO_Write(uint8_t Addr, uint8_t Reg, uint8_t Value);
uint8_t AUDIO_IO_Read(uint8_t Addr, uint8_t Reg);
void AUDIO_IO_Delay(uint32_t delay);
/* 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);
/* 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);
#endif/* HAL_I2C_MODULE_ENABLED */
#if defined(HAL_I2C_MODULE_ENABLED)
/* Link functions IOExpander */
void IOE_Init(void);
void IOE_ITConfig(void);
void IOE_Delay(uint32_t Delay);
void IOE_Write(uint8_t Addr, uint8_t Reg, uint8_t Value);
uint8_t IOE_Read(uint8_t Addr, uint8_t Reg);
uint16_t IOE_ReadMultiple(uint8_t Addr, uint8_t Reg, uint8_t *Buffer, uint16_t Length);
/* Link functions for IDD measurement */
void MFX_IO_Init(void);
void MFX_IO_DeInit(void);
void MFX_IO_ITConfig(void);
void MFX_IO_EnableWakeupPin(void);
void MFX_IO_Wakeup(void);
void MFX_IO_Delay(uint32_t delay);
void MFX_IO_Write(uint16_t addr, uint8_t reg, uint8_t value);
uint8_t MFX_IO_Read(uint16_t addr, uint8_t reg);
void MFX_IO_WriteMultiple(uint16_t Addr, uint8_t Reg, uint8_t *Buffer, uint16_t Length);
uint16_t MFX_IO_ReadMultiple(uint16_t addr, uint8_t reg, uint8_t *buffer, uint16_t length);
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 void I2Cx_Error(I2C_HandleTypeDef *i2c_handler, uint8_t Addr);
static uint8_t I2C2_isDeviceReady(uint16_t Addr, uint32_t trial);
#endif/* HAL_I2C_MODULE_ENABLED */
/**
* @}
*/
__weak void BSP_ErrorHandler(void)
{
while (1);
}
/** @defgroup STM32L496G_DISCOVERY_Exported_Functions Exported Functions
* @{
*/
/**
* @brief This method returns the STM32L496 DISCOVERY BSP Driver revision
* @retval version : 0xXYZR (8bits for each decimal, R for RC)
*/
uint32_t BSP_GetVersion(void)
{
return __STM32L496G_DISCOVERY_BSP_VERSION;
}
/**
* @brief Configures LED GPIOs.
* @param Led: Specifies the Led to be configured.
* This parameter can be one of following parameters:
* @arg LED1
* @arg LED2
* @retval None
*/
void BSP_LED_Init(Led_TypeDef Led)
{
GPIO_InitTypeDef GPIO_InitStructure;
if (Led == LED2)
{
/* Enable the GPIO_LED clock */
LED2_GPIO_CLK_ENABLE();
/* Configure the GPIO_LED pin */
GPIO_InitStructure.Pin = LED_PIN[Led];
GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStructure.Pull = GPIO_NOPULL;
GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
HAL_GPIO_Init(LED2_GPIO_PORT, &GPIO_InitStructure);
/* By default, turn off LED */
HAL_GPIO_WritePin(LED2_GPIO_PORT, GPIO_InitStructure.Pin, GPIO_PIN_SET);
}
else
{
/* Initialize the IO functionalities */
if (BSP_IO_Init() == IO_ERROR)
{
BSP_ErrorHandler();
}
BSP_IO_ConfigPin(LED_PIN[Led], IO_MODE_OUTPUT);
/* By default, turn off LED */
BSP_IO_WritePin(LED_PIN[Led], GPIO_PIN_SET);
}
}
/**
* @brief Unconfigures LED GPIOs.
* @param Led: Specifies the Led to be unconfigured.
* This parameter can be one of following parameters:
* @arg LED1
* @arg LED2
* @retval None
*/
void BSP_LED_DeInit(Led_TypeDef Led)
{
if (Led == LED2)
{
/* Enable the GPIO_LED clock */
LED2_GPIO_CLK_ENABLE();
HAL_GPIO_DeInit(LED2_GPIO_PORT, LED_PIN[Led]);
}
}
/**
* @brief Turns selected LED On.
* @param Led: Specifies the Led to be set on.
* This parameter can be one of following parameters:
* @arg LED1
* @arg LED2
* @retval None
*/
void BSP_LED_On(Led_TypeDef Led)
{
if (Led == LED2)
{
HAL_GPIO_WritePin(LED2_GPIO_PORT, LED_PIN[Led], GPIO_PIN_RESET);
}
else
{
BSP_IO_WritePin(LED_PIN[Led], GPIO_PIN_RESET);
}
}
/**
* @brief Turns selected LED Off.
* @param Led: Specifies the Led to be set off.
* This parameter can be one of following parameters:
* @arg LED1
* @arg LED2
* @retval None
*/
void BSP_LED_Off(Led_TypeDef Led)
{
if (Led == LED2)
{
HAL_GPIO_WritePin(LED2_GPIO_PORT, LED_PIN[Led], GPIO_PIN_SET);
}
else
{
BSP_IO_WritePin(LED_PIN[Led], GPIO_PIN_SET);
}
}
/**
* @brief Toggles the selected LED.
* @param Led: Specifies the Led to be toggled.
* This parameter can be one of following parameters:
* @arg LED1
* @arg LED2
* @retval None
*/
void BSP_LED_Toggle(Led_TypeDef Led)
{
if (Led == LED2)
{
HAL_GPIO_TogglePin(LED2_GPIO_PORT, LED_PIN[Led]);
}
else
{
BSP_IO_TogglePin(LED_PIN[Led]);
}
}
/**
* @brief Configures all buttons of the joystick 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_PULLDOWN;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
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_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 Unconfigures all GPIOs used as buttons of the joystick.
* @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_SET)
{
/* Return Code Joystick key pressed */
return joykey;
}
}
/* No Joystick key pressed */
return JOY_NONE;
}
#if defined(HAL_UART_MODULE_ENABLED)
/**
* @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_NOPULL;
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.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 deinitialization */
huart->Instance = COM_USART[COM];
HAL_UART_DeInit(huart);
/* Disable USART clock */
DISCOVERY_COMx_CLK_DISABLE(COM);
/* USART TX/RX pins deinitializations */
HAL_GPIO_DeInit(COM_TX_PORT[COM], COM_TX_PIN[COM]);
HAL_GPIO_DeInit(COM_RX_PORT[COM], COM_RX_PIN[COM]);
/* Disable GPIOs clock is left for application */
}
#endif /* HAL_UART_MODULE_ENABLED */
/**
* @}
*/
/** @defgroup STM32L496G_DISCOVERY_BusOperations_Functions Bus Operations Functions
* @{
*/
/*******************************************************************************
BUS OPERATIONS
*******************************************************************************/
#if defined(HAL_I2C_MODULE_ENABLED)
/******************************* I2C Routines**********************************/
/**
* @brief Discovery I2C2 Bus initialization
* @retval None
*/
void I2C2_Init(void)
{
if (HAL_I2C_GetState(&I2c2Handle) == HAL_I2C_STATE_RESET)
{
I2c2Handle.Instance = DISCOVERY_I2C2;
I2c2Handle.Init.Timing = DISCOVERY_I2C2_TIMING;
I2c2Handle.Init.OwnAddress1 = 0x70;
I2c2Handle.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
I2c2Handle.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
I2c2Handle.Init.OwnAddress2 = 0xFF;
I2c2Handle.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
I2c2Handle.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
/* Init the I2C */
I2C2_MspInit(&I2c2Handle);
HAL_I2C_Init(&I2c2Handle);
}
}
/**
* @brief Discovery I2C2 MSP Initialization
* @param hi2c: I2C2 handle
* @retval None
*/
static void I2C2_MspInit(I2C_HandleTypeDef *hi2c)
{
GPIO_InitTypeDef GPIO_InitStructure;
RCC_PeriphCLKInitTypeDef RCC_PeriphCLKInitStruct;
if (hi2c->Instance == DISCOVERY_I2C2)
{
/*##-1- Configure the Discovery I2C2 clock source. The clock is derived from the SYSCLK #*/
RCC_PeriphCLKInitStruct.PeriphClockSelection = RCC_PERIPHCLK_I2C2;
RCC_PeriphCLKInitStruct.I2c2ClockSelection = RCC_I2C2CLKSOURCE_SYSCLK;
HAL_RCCEx_PeriphCLKConfig(&RCC_PeriphCLKInitStruct);
/*##-2- Configure the GPIOs ################################################*/
/* Enable GPIO clock */
DISCOVERY_I2C2_SDA_GPIO_CLK_ENABLE();
DISCOVERY_I2C2_SCL_GPIO_CLK_ENABLE();
/* Configure I2C Rx/Tx as alternate function */
GPIO_InitStructure.Pin = DISCOVERY_I2C2_SCL_PIN;
GPIO_InitStructure.Mode = GPIO_MODE_AF_OD;
GPIO_InitStructure.Pull = /*GPIO_NOPULL*/ GPIO_PULLUP;
GPIO_InitStructure.Speed = /*GPIO_SPEED_MEDIUM*/ GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStructure.Alternate = DISCOVERY_I2C2_SCL_SDA_AF;
HAL_GPIO_Init(DISCOVERY_I2C2_SCL_GPIO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.Pin = DISCOVERY_I2C2_SDA_PIN;
HAL_GPIO_Init(DISCOVERY_I2C2_SDA_GPIO_PORT, &GPIO_InitStructure);
/*##-3- Configure the Discovery I2C2 peripheral #############################*/
/* Enable Discovery_I2C2 clock */
DISCOVERY_I2C2_CLK_ENABLE();
/* Force and release the I2C Peripheral Clock Reset */
DISCOVERY_I2C2_FORCE_RESET();
DISCOVERY_I2C2_RELEASE_RESET();
/* Enable and set Discovery I2C2 Interrupt to the highest priority */
HAL_NVIC_SetPriority(DISCOVERY_I2C2_EV_IRQn, 0x00, 0);
HAL_NVIC_EnableIRQ(DISCOVERY_I2C2_EV_IRQn);
/* Enable and set Discovery I2C2 Interrupt to the highest priority */
HAL_NVIC_SetPriority(DISCOVERY_I2C2_ER_IRQn, 0x00, 0);
HAL_NVIC_EnableIRQ(DISCOVERY_I2C2_ER_IRQn);
}
}
/**
* @brief Discovery I2C2 Bus Deinitialization
* @retval None
*/
void I2C2_DeInit(void)
{
if (HAL_I2C_GetState(&I2c2Handle) != HAL_I2C_STATE_RESET)
{
/* DeInit the I2C */
HAL_I2C_DeInit(&I2c2Handle);
I2C2_MspDeInit(&I2c2Handle);
}
}
/**
* @brief Discovery I2C2 MSP DeInitialization
* @param hi2c: I2C2 handle
* @retval None
*/
static void I2C2_MspDeInit(I2C_HandleTypeDef *hi2c)
{
if (hi2c->Instance == DISCOVERY_I2C2)
{
/*##-1- Unconfigure the GPIOs ################################################*/
/* Enable GPIO clock */
DISCOVERY_I2C2_SDA_GPIO_CLK_ENABLE();
DISCOVERY_I2C2_SCL_GPIO_CLK_ENABLE();
/* Configure I2C Rx/Tx as alternate function */
HAL_GPIO_DeInit(DISCOVERY_I2C2_SCL_GPIO_PORT, DISCOVERY_I2C2_SCL_PIN);
HAL_GPIO_DeInit(DISCOVERY_I2C2_SDA_GPIO_PORT, DISCOVERY_I2C2_SDA_PIN);
/*##-2- Unconfigure the Discovery I2C2 peripheral ############################*/
/* Force and release I2C Peripheral */
DISCOVERY_I2C2_FORCE_RESET();
DISCOVERY_I2C2_RELEASE_RESET();
/* Disable Discovery I2C2 clock */
DISCOVERY_I2C2_CLK_DISABLE();
/* Disable Discovery I2C2 interrupts */
HAL_NVIC_DisableIRQ(DISCOVERY_I2C2_EV_IRQn);
HAL_NVIC_DisableIRQ(DISCOVERY_I2C2_ER_IRQn);
}
}
/**
* @brief Write a value in a register of the device through BUS.
* @param Addr: Device address on BUS Bus.
* @param Reg: The target register address to write
* @param RegSize: The target register size (can be 8BIT or 16BIT)
* @param Value: The target register value to be written
* @retval None
*/
static void I2C2_WriteData(uint16_t Addr, uint16_t Reg, uint16_t RegSize, uint8_t Value)
{
HAL_StatusTypeDef status = HAL_OK;
__disable_irq();
status = HAL_I2C_Mem_Write(&I2c2Handle, Addr, (uint16_t)Reg, RegSize, &Value, 1, I2c2Timeout);
__enable_irq();
/* Check the communication status */
if (status != HAL_OK)
{
/* Re-Initiaize the BUS */
I2C2_Error();
}
}
/**
* @brief Write a value in a register of the device through BUS.
* @param Addr: Device address on BUS Bus.
* @param Reg: The target register address to write
* @param RegSize: The target register size (can be 8BIT or 16BIT)
* @param pBuffer: The target register value to be written
* @param Length: buffer size to be written
* @retval None
*/
static HAL_StatusTypeDef I2C2_WriteBuffer(uint16_t Addr, uint16_t Reg, uint16_t RegSize, uint8_t *pBuffer, uint16_t Length)
{
HAL_StatusTypeDef status = HAL_OK;
__disable_irq();
status = HAL_I2C_Mem_Write(&I2c2Handle, Addr, (uint16_t)Reg, RegSize, pBuffer, Length, I2c2Timeout);
__enable_irq();
/* Check the communication status */
if (status != HAL_OK)
{
/* Re-Initiaize the BUS */
I2C2_Error();
}
return status;
}
/**
* @brief Read a register of the device through BUS
* @param Addr: Device address on BUS
* @param Reg: The target register address to read
* @param RegSize: The target register size (can be 8BIT or 16BIT)
* @retval read register value
*/
static uint8_t I2C2_ReadData(uint16_t Addr, uint16_t Reg, uint16_t RegSize)
{
HAL_StatusTypeDef status = HAL_OK;
uint8_t value = 0x0;
__disable_irq();
status = HAL_I2C_Mem_Read(&I2c2Handle, Addr, Reg, RegSize, &value, 1, I2c2Timeout);
__enable_irq();
/* Check the communication status */
if (status != HAL_OK)
{
/* Re-Initiaize the BUS */
I2C2_Error();
HAL_Delay(200);
}
return value;
}
static uint8_t I2C2_isDeviceReady(uint16_t Addr, uint32_t trial)
{
HAL_StatusTypeDef status = HAL_OK;
uint8_t value = 0x0;
__disable_irq();
status = HAL_I2C_IsDeviceReady(&I2c2Handle, Addr, trial, 50);
__enable_irq();
/* Check the communication status */
if (status != HAL_OK)
{
/* Re-Initiaize the BUS */
I2C2_Error();
HAL_Delay(200);
}
return value;
}
/**
* @brief Reads multiple data on the BUS.
* @param Addr: I2C Address
* @param Reg: Reg Address
* @param RegSize : The target register size (can be 8BIT or 16BIT)
* @param pBuffer: pointer to read data buffer
* @param Length: length of the data
* @retval 0 if no problems to read multiple data
*/
static HAL_StatusTypeDef I2C2_ReadBuffer(uint16_t Addr, uint16_t Reg, uint16_t RegSize, uint8_t *pBuffer, uint16_t Length)
{
HAL_StatusTypeDef status = HAL_OK;
__disable_irq();
status = HAL_I2C_Mem_Read(&I2c2Handle, Addr, (uint16_t)Reg, RegSize, pBuffer, Length, I2c2Timeout);
__enable_irq();
/* Check the communication status */
if (status != HAL_OK)
{
/* Re-Initiaize the BUS */
I2C2_Error();
}
return status;
}
/**
* @brief Discovery I2C2 error treatment function
* @retval None
*/
static void I2C2_Error(void)
{
BSP_ErrorHandler();
/* De-initialize the I2C communication BUS */
HAL_I2C_DeInit(&I2c2Handle);
/* Re- Initiaize the I2C communication BUS */
I2C2_Init();
}
/******************************* I2C Routines *********************************/
/**
* @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 *)(&hI2cTSHandler))
{
/* TS (Capacitive Touch Panel) and LCD I2C configuration */
i2c_handler->Instance = DISCOVERY_TS_I2Cx;
/* Need to enable MFX, and in doing so, initialize I2C at the same time */
/* MFX_IO_Init();*/
}
else if (i2c_handler == (I2C_HandleTypeDef *)(&hI2cAudioHandler))
{
/* Audio and LCD I2C configuration */
i2c_handler->Instance = DISCOVERY_AUDIO_I2Cx;
}
else if (i2c_handler == (I2C_HandleTypeDef *)(&hI2cCameraHandler))
{
i2c_handler->Instance = DISCOVERY_CAMERA_I2Cx;
}
else
{
/* External, EEPROM and Arduino connector I2C configuration */
i2c_handler->Instance = DISCOVERY_EXT_I2Cx;
}
i2c_handler->Init.Timing = DISCOVERY_I2C_TIMING;
i2c_handler->Init.OwnAddress1 = 0x70;
i2c_handler->Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
i2c_handler->Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
i2c_handler->Init.OwnAddress2 = 0xFF;
i2c_handler->Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
i2c_handler->Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
/* Init the I2C */
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-Initialize the I2C Bus */
I2Cx_Error(i2c_handler, Addr);
}
return status;
}
/**
* @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)
{
BSP_ErrorHandler();
/* De-initialize the I2C communication bus */
if (i2c_handler == (I2C_HandleTypeDef *)(&hI2cTSHandler))
{
I2C2_DeInit();
}
else
{
HAL_I2C_DeInit(i2c_handler);
}
/* Re-Initialize the I2C communication bus */
I2Cx_Init(i2c_handler);
}
#endif /*HAL_I2C_MODULE_ENABLED*/
/*******************************************************************************
LINK OPERATIONS
*******************************************************************************/
#if defined(HAL_I2C_MODULE_ENABLED)
/********************************* LINK MFX ***********************************/
/**
* @brief Initializes MFX low level.
* @retval None
*/
void MFX_IO_Init(void)
{
/* I2C2 init */
I2C2_Init();
/* Wait for device ready */
if (I2C2_isDeviceReady(IO1_I2C_ADDRESS, 4) != HAL_OK)
{
BSP_ErrorHandler();
}
}
/**
* @brief Deinitializes MFX low level.
* @retval None
*/
void MFX_IO_DeInit(void)
{
GPIO_InitTypeDef GPIO_InitStruct;
/* Enable wakeup gpio clock */
MFX_WAKEUP_GPIO_CLK_ENABLE();
/* MFX wakeup pin configuration */
GPIO_InitStruct.Pin = MFX_WAKEUP_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
GPIO_InitStruct.Pull = GPIO_PULLDOWN;
HAL_GPIO_Init(MFX_WAKEUP_GPIO_PORT, &GPIO_InitStruct);
/* DeInit interrupt pin : disable IRQ before to avoid spurious interrupt */
HAL_NVIC_DisableIRQ((IRQn_Type)(MFX_INT_EXTI_IRQn));
MFX_INT_GPIO_CLK_ENABLE();
HAL_GPIO_DeInit(MFX_INT_GPIO_PORT, MFX_INT_PIN);
/* I2C2 Deinit */
I2C2_DeInit();
}
/**
* @brief Configures MFX low level interrupt.
* @retval None
*/
void MFX_IO_ITConfig(void)
{
GPIO_InitTypeDef GPIO_InitStruct;
/* Enable the GPIO clock */
MFX_INT_GPIO_CLK_ENABLE();
/* MFX_OUT_IRQ (normally used for EXTI_WKUP) */
GPIO_InitStruct.Pin = MFX_INT_PIN;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING;
HAL_GPIO_Init(MFX_INT_GPIO_PORT, &GPIO_InitStruct);
/* Enable and set GPIO EXTI Interrupt to the lowest priority */
HAL_NVIC_SetPriority((IRQn_Type)(MFX_INT_EXTI_IRQn), 0x0F, 0x0F);
HAL_NVIC_EnableIRQ((IRQn_Type)(MFX_INT_EXTI_IRQn));
}
/**
* @brief Configures MFX wke up pin.
* @retval None
*/
void MFX_IO_EnableWakeupPin(void)
{
GPIO_InitTypeDef GPIO_InitStruct;
/* Enable wakeup gpio clock */
MFX_WAKEUP_GPIO_CLK_ENABLE();
/* MFX wakeup pin configuration */
GPIO_InitStruct.Pin = MFX_WAKEUP_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
GPIO_InitStruct.Pull = GPIO_NOPULL;
HAL_GPIO_Init(MFX_WAKEUP_GPIO_PORT, &GPIO_InitStruct);
}
/**
* @brief Wakeup MFX.
* @retval None
*/
void MFX_IO_Wakeup(void)
{
/* Set Wakeup pin to high to wakeup Idd measurement component from standby mode */
HAL_GPIO_WritePin(MFX_WAKEUP_GPIO_PORT, MFX_WAKEUP_PIN, GPIO_PIN_SET);
/* Wait */
HAL_Delay(1);
/* Set gpio pin basck to low */
HAL_GPIO_WritePin(MFX_WAKEUP_GPIO_PORT, MFX_WAKEUP_PIN, GPIO_PIN_RESET);
}
/**
* @brief MFX writes single data.
* @param Addr: I2C address
* @param Reg: Register address
* @param Value: Data to be written
* @retval None
*/
void MFX_IO_Write(uint16_t Addr, uint8_t Reg, uint8_t Value)
{
I2C2_WriteData(Addr, Reg, I2C_MEMADD_SIZE_8BIT, Value);
}
/**
* @brief MFX reads single data.
* @param Addr: I2C address
* @param Reg: Register address
* @retval Read data
*/
uint8_t MFX_IO_Read(uint16_t Addr, uint8_t Reg)
{
return I2C2_ReadData(Addr, Reg, I2C_MEMADD_SIZE_8BIT);
}
/**
* @brief MFX reads multiple data.
* @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 MFX_IO_ReadMultiple(uint16_t Addr, uint8_t Reg, uint8_t *Buffer, uint16_t Length)
{
return I2C2_ReadBuffer(Addr, (uint16_t)Reg, I2C_MEMADD_SIZE_8BIT, Buffer, Length);
}
/**
* @brief MFX writes multiple data.
* @param Addr: I2C address
* @param Reg: Register address
* @param Buffer: Pointer to data buffer
* @param Length: Length of the data
* @retval None
*/
void MFX_IO_WriteMultiple(uint16_t Addr, uint8_t Reg, uint8_t *Buffer, uint16_t Length)
{
I2C2_WriteBuffer(Addr, (uint16_t)Reg, I2C_MEMADD_SIZE_8BIT, Buffer, Length);
}
/**
* @brief MFX delay
* @param Delay: Delay in ms
* @retval None
*/
void MFX_IO_Delay(uint32_t Delay)
{
HAL_Delay(Delay);
}
/********************************* LINK AUDIO *********************************/
/**
* @brief Initializes Audio low level.
* @retval None
*/
void AUDIO_IO_Init(void)
{
GPIO_InitTypeDef GPIO_InitStruct;
uint8_t Value;
/* Enable Reset GPIO Clock */
AUDIO_RESET_GPIO_CLK_ENABLE();
/* Audio reset pin configuration */
GPIO_InitStruct.Pin = AUDIO_RESET_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
GPIO_InitStruct.Pull = GPIO_NOPULL;
HAL_GPIO_Init(AUDIO_RESET_GPIO, &GPIO_InitStruct);
/* I2C bus init */
I2C2_Init();
/* Power off the codec */
CODEC_AUDIO_POWER_OFF();
/* wait until power supplies are stable */
HAL_Delay(10);
/* Power on the codec */
CODEC_AUDIO_POWER_ON();
/* Set the device in standby mode */
Value = AUDIO_IO_Read(AUDIO_I2C_ADDRESS, 0x02);
AUDIO_IO_Write(AUDIO_I2C_ADDRESS, 0x02, (Value | 0x01));
/* Set all power down bits to 1 */
AUDIO_IO_Write(AUDIO_I2C_ADDRESS, 0x02, 0x7F);
Value = AUDIO_IO_Read(AUDIO_I2C_ADDRESS, 0x03);
AUDIO_IO_Write(AUDIO_I2C_ADDRESS, 0x03, (Value | 0x0E));
}
/**
* @brief Deinitializes Audio low level.
* @retval None
*/
void AUDIO_IO_DeInit(void)
{
uint8_t Value;
/* Mute DAC and ADC */
Value = AUDIO_IO_Read(AUDIO_I2C_ADDRESS, 0x08);
AUDIO_IO_Write(AUDIO_I2C_ADDRESS, 0x08, (Value | 0x03));
Value = AUDIO_IO_Read(AUDIO_I2C_ADDRESS, 0x07);
AUDIO_IO_Write(AUDIO_I2C_ADDRESS, 0x07, (Value | 0x03));
/* Disable soft ramp and zero cross */
Value = AUDIO_IO_Read(AUDIO_I2C_ADDRESS, 0x06);
AUDIO_IO_Write(AUDIO_I2C_ADDRESS, 0x06, (Value & 0xF0));
/* Set PDN to 1 */
Value = AUDIO_IO_Read(AUDIO_I2C_ADDRESS, 0x02);
AUDIO_IO_Write(AUDIO_I2C_ADDRESS, 0x02, (Value | 0x01));
/* Set all power down bits to 1 */
AUDIO_IO_Write(AUDIO_I2C_ADDRESS, 0x02, 0x7F);
Value = AUDIO_IO_Read(AUDIO_I2C_ADDRESS, 0x03);
AUDIO_IO_Write(AUDIO_I2C_ADDRESS, 0x03, (Value | 0x0E));
/* Power off the codec */
CODEC_AUDIO_POWER_OFF();
}
/**
* @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, uint8_t Reg, uint8_t Value)
{
I2C2_WriteBuffer(Addr, (uint16_t)Reg, I2C_MEMADD_SIZE_8BIT, &Value, 1);
}
/**
* @brief Reads a single data.
* @param Addr: I2C address
* @param Reg: Reg address
* @retval Data to be read
*/
uint8_t AUDIO_IO_Read(uint8_t Addr, uint8_t Reg)
{
uint8_t Read_Value = 0;
I2C2_ReadBuffer((uint16_t) Addr, (uint16_t) Reg, I2C_MEMADD_SIZE_8BIT, &Read_Value, 1);
return Read_Value;
}
/**
* @brief AUDIO Codec delay
* @param Delay: Delay in ms
* @retval None
*/
void AUDIO_IO_Delay(uint32_t Delay)
{
HAL_Delay(Delay);
}
/*************************** FMC Routines ************************************/
/**
* @brief Initializes FMC_BANK1_LCD_IO MSP.
* @param None
* @retval None
*/
void FMC_BANK1_MspInit(void)
{
GPIO_InitTypeDef GPIO_Init_Structure;
/* Enable FMC clock */
__HAL_RCC_FMC_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();
__HAL_RCC_PWR_CLK_ENABLE();
HAL_PWREx_EnableVddIO2();
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_FMC;
/* GPIOD configuration */ /* GPIO_PIN_7 is FMC_NE1 */
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;
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);
/* GPIOD configuration */
GPIO_Init_Structure.Pin = GPIO_PIN_13 ;
HAL_GPIO_Init(GPIOD, &GPIO_Init_Structure);
}
/**
* @brief Initializes LCD IO.
* @param None
* @retval None
*/
void FMC_BANK1_Init(void)
{
SRAM_HandleTypeDef hsram;
FMC_NORSRAM_TimingTypeDef sram_timing;
FMC_NORSRAM_TimingTypeDef sram_timing_write;
/*** Configure the SRAM Bank 1 ***/
/* Configure IPs */
hsram.Instance = FMC_NORSRAM_DEVICE;
hsram.Extended = FMC_NORSRAM_EXTENDED_DEVICE;
/* Timing for READING */
sram_timing.AddressSetupTime = 1;
sram_timing.AddressHoldTime = 1;
sram_timing.DataSetupTime = 1;
sram_timing.BusTurnAroundDuration = 0;
sram_timing.CLKDivision = 2;
sram_timing.DataLatency = 2;
sram_timing.AccessMode = FMC_ACCESS_MODE_A;
/* Timing for WRITING */
sram_timing_write.AddressSetupTime = 5;
sram_timing_write.AddressHoldTime = 1;
sram_timing_write.DataSetupTime = 3;
sram_timing_write.BusTurnAroundDuration = 2;
sram_timing_write.CLKDivision = 2;
sram_timing_write.DataLatency = 2;
sram_timing_write.AccessMode = FMC_ACCESS_MODE_A;
hsram.Init.NSBank = FMC_NORSRAM_BANK1;
hsram.Init.DataAddressMux = FMC_DATA_ADDRESS_MUX_DISABLE;
hsram.Init.MemoryType = FMC_MEMORY_TYPE_SRAM;
hsram.Init.MemoryDataWidth = FMC_NORSRAM_MEM_BUS_WIDTH_16;
hsram.Init.BurstAccessMode = FMC_BURST_ACCESS_MODE_DISABLE;
hsram.Init.WaitSignalPolarity = FMC_WAIT_SIGNAL_POLARITY_LOW;
hsram.Init.WaitSignalActive = FMC_WAIT_TIMING_BEFORE_WS;
hsram.Init.WriteOperation = FMC_WRITE_OPERATION_ENABLE;
hsram.Init.WaitSignal = FMC_WAIT_SIGNAL_DISABLE;
hsram.Init.ExtendedMode = FMC_EXTENDED_MODE_DISABLE;
hsram.Init.AsynchronousWait = FMC_ASYNCHRONOUS_WAIT_DISABLE;
hsram.Init.WriteBurst = FMC_WRITE_BURST_DISABLE;
hsram.Init.PageSize = FMC_PAGE_SIZE_NONE;
hsram.Init.WriteFifo = FMC_WRITE_FIFO_DISABLE;
hsram.Init.ContinuousClock = FMC_CONTINUOUS_CLOCK_SYNC_ONLY;
/* Initialize the SRAM controller */
FMC_BANK1_MspInit();
HAL_SRAM_Init(&hsram, &sram_timing, &sram_timing_write);
}
/**
* @brief DeInitializes FMC_BANK1_LCD_IO MSP.
* @param None
* @retval None
*/
void FMC_BANK1_MspDeInit(void)
{
/* Enable FMC clock */
__HAL_RCC_FMC_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();
__HAL_RCC_PWR_CLK_ENABLE();
HAL_GPIO_DeInit(GPIOD, 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_13);
HAL_GPIO_DeInit(GPIOE, 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);
}
/**
* @brief Writes register value.
* @param Data: Data to be written
* @retval None
*/
static void FMC_BANK1_WriteData(uint16_t Data)
{
/* Write 16-bit Reg */
LCD_ADDR->REG = Data;
}
/**
* @brief Writes register address.
* @param Reg: Register to be written
* @retval None
*/
static void FMC_BANK1_WriteReg(uint8_t Reg)
{
/* Write 16-bit Index, then write register */
FMC_BANK1_ADDR->REG = Reg;
}
/**
* @brief Reads register value.
* @param None
* @retval Read value
*/
static uint16_t FMC_BANK1_ReadData(void)
{
return LCD_ADDR->REG;
}
/*******************************************************************************
LINK OPERATIONS
*******************************************************************************/
/********************************* LINK LCD ***********************************/
/**
* @brief Initializes LCD low level.
* @param None
* @retval None
*/
void LCD_IO_Init(void)
{
FMC_BANK1_Init();
}
/**
* @brief Writes data on LCD data register.
* @param Data: Data to be written
* @retval None
*/
void LCD_IO_WriteData(uint16_t RegValue)
{
/* Write 16-bit Reg */
FMC_BANK1_WriteData(RegValue);
}
/**
* @brief Writes several data on LCD data register.
* @param Data: pointer on data to be written
* @param Size: data amount in 16bits short unit
* @retval None
*/
void LCD_IO_WriteMultipleData(uint16_t *pData, uint32_t Size)
{
uint32_t i;
for (i = 0; i < Size; i++)
{
FMC_BANK1_WriteData(pData[i]);
}
}
/**
* @brief Writes register on LCD register.
* @param Reg: Register to be written
* @retval None
*/
void LCD_IO_WriteReg(uint8_t Reg)
{
/* Write 16-bit Index, then Write Reg */
FMC_BANK1_WriteReg(Reg);
}
/**
* @brief Reads data from LCD data register.
* @param None
* @retval Read data.
*/
uint16_t LCD_IO_ReadData(void)
{
return FMC_BANK1_ReadData();
}
/**
* @brief LCD delay
* @param Delay: Delay in ms
* @retval None
*/
void LCD_IO_Delay(uint32_t Delay)
{
HAL_Delay(Delay);
}
/************************** LINK TS (TouchScreen) *****************************/
/**
* @brief Initializes Touchscreen low level.
* @retval None
*/
void TS_IO_Init(void)
{
I2Cx_Init(&hI2cTSHandler);
if (ts_io_init == 0)
{
if (BSP_LCD_Init() == LCD_ERROR)
{
BSP_ErrorHandler();
}
BSP_IO_ConfigPin(TS_RST_PIN, IO_MODE_OUTPUT);
BSP_IO_WritePin(TS_RST_PIN, GPIO_PIN_RESET);
HAL_Delay(10);
BSP_IO_WritePin(TS_RST_PIN, GPIO_PIN_SET);
HAL_Delay(200);
ts_io_init = 1;
}
}
/**
* @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(&hI2cTSHandler, 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)
{
return I2C2_ReadData(Addr, Reg, I2C_MEMADD_SIZE_8BIT);
}
/**
* @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(&hI2cTSHandler, 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(&hI2cTSHandler, 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);
}
/************************** Camera *****************************/
/**
* @brief Initializes Camera low level.
* @retval None
*/
void CAMERA_IO_Init(void)
{
I2Cx_Init(&hI2cCameraHandler);
}
/**
* @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(&hI2cCameraHandler, 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(&hI2cCameraHandler, 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);
}
#endif /* HAL_I2C_MODULE_ENABLED */
__weak uint8_t BSP_LCD_Init(void)
{
uint8_t ret = 0;
return ret;
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/