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stm324xg_eval.c
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/**
******************************************************************************
* @file stm324xg_eval.c
* @author MCD Application Team
* @brief This file provides a set of firmware functions to manage LEDs,
* push-buttons and COM ports available on STM324xG-EVAL evaluation
* board(MB786) RevB from STMicroelectronics.
******************************************************************************
* @attention
*
* Copyright (c) 2017 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
/* File Info: ------------------------------------------------------------------
User NOTE
This driver requires the stm324xG_eval_io.c driver to manage the joystick
------------------------------------------------------------------------------*/
/* Includes ------------------------------------------------------------------*/
#include "stm324xg_eval.h"
#include "stm324xg_eval_io.h"
/** @defgroup BSP BSP
* @{
*/
/** @defgroup STM324xG_EVAL STM324xG EVAL
* @{
*/
/** @defgroup STM324xG_EVAL_LOW_LEVEL STM324xG EVAL LOW LEVEL
* @{
*/
/** @defgroup STM324xG_EVAL_LOW_LEVEL_Private_TypesDefinitions STM324xG EVAL LOW LEVEL Private TypesDefinitions
* @{
*/
typedef struct
{
__IO uint16_t REG;
__IO uint16_t RAM;
}LCD_CONTROLLER_TypeDef;
/**
* @}
*/
/** @defgroup STM324xG_EVAL_LOW_LEVEL_Private_Defines STM324xG EVAL LOW LEVEL Private Defines
* @{
*/
/**
* @brief STM324xG EVAL BSP Driver version number V3.0.4
*/
#define __STM324xG_EVAL_BSP_VERSION_MAIN (0x03) /*!< [31:24] main version */
#define __STM324xG_EVAL_BSP_VERSION_SUB1 (0x00) /*!< [23:16] sub1 version */
#define __STM324xG_EVAL_BSP_VERSION_SUB2 (0x04) /*!< [15:8] sub2 version */
#define __STM324xG_EVAL_BSP_VERSION_RC (0x00) /*!< [7:0] release candidate */
#define __STM324xG_EVAL_BSP_VERSION ((__STM324xG_EVAL_BSP_VERSION_MAIN << 24)\
|(__STM324xG_EVAL_BSP_VERSION_SUB1 << 16)\
|(__STM324xG_EVAL_BSP_VERSION_SUB2 << 8 )\
|(__STM324xG_EVAL_BSP_VERSION_RC))
#define FMC_BANK3_BASE ((uint32_t)(0x60000000 | 0x08000000))
#define FMC_BANK3 ((LCD_CONTROLLER_TypeDef *) FMC_BANK3_BASE)
#define I2C_TIMEOUT 100 /*<! Value of Timeout when I2C communication fails */
/**
* @}
*/
/** @defgroup STM324xG_EVAL_LOW_LEVEL_Private_Variables STM324xG EVAL LOW LEVEL Private Variables
* @{
*/
GPIO_TypeDef* GPIO_PORT[LEDn] = {LED1_GPIO_PORT,
LED2_GPIO_PORT,
LED3_GPIO_PORT,
LED4_GPIO_PORT};
const uint16_t GPIO_PIN[LEDn] = {LED1_PIN,
LED2_PIN,
LED3_PIN,
LED4_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] = {EVAL_COM1};
GPIO_TypeDef* COM_TX_PORT[COMn] = {EVAL_COM1_TX_GPIO_PORT};
GPIO_TypeDef* COM_RX_PORT[COMn] = {EVAL_COM1_RX_GPIO_PORT};
const uint16_t COM_TX_PIN[COMn] = {EVAL_COM1_TX_PIN};
const uint16_t COM_RX_PIN[COMn] = {EVAL_COM1_RX_PIN};
const uint16_t COM_TX_AF[COMn] = {EVAL_COM1_TX_AF};
const uint16_t COM_RX_AF[COMn] = {EVAL_COM1_RX_AF};
I2C_HandleTypeDef heval_I2c;
static uint8_t Is_LCD_IO_Initialized = 0;
/**
* @}
*/
/** @defgroup STM324xG_EVAL_LOW_LEVEL_Private_FunctionPrototypes STM324xG EVAL LOW LEVEL Private FunctionPrototypes
* @{
*/
static void I2Cx_Init(void);
static void I2Cx_ITConfig(void);
static void I2Cx_Write(uint8_t Addr, uint8_t Reg, uint8_t Value);
static uint8_t I2Cx_Read(uint8_t Addr, uint8_t Reg);
static HAL_StatusTypeDef I2Cx_WriteMultiple(uint8_t Addr, uint16_t Reg, uint16_t MemAddress, uint8_t *Buffer, uint16_t Length);
static HAL_StatusTypeDef I2Cx_ReadMultiple(uint8_t Addr, uint16_t Reg, uint16_t MemAddress, uint8_t *Buffer, uint16_t Length);
static HAL_StatusTypeDef I2Cx_IsDeviceReady(uint16_t DevAddress, uint32_t Trials);
static void I2Cx_Error(uint8_t Addr);
static void I2Cx_MspInit(void);
static void FSMC_BANK3_WriteData(uint16_t Data);
static void FSMC_BANK3_WriteReg(uint8_t Reg);
static uint16_t FSMC_BANK3_ReadData(void);
static void FSMC_BANK3_Init(void);
static void FSMC_BANK3_MspInit(void);
/* IOExpander IO functions */
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);
/* LCD IO functions */
void LCD_IO_Init(void);
void LCD_IO_WriteData(uint16_t Data);
void LCD_IO_WriteMultipleData(uint8_t *pData, uint32_t Size);
void LCD_IO_WriteReg(uint8_t Reg);
uint16_t LCD_IO_ReadData(uint16_t Reg);
/* AUDIO IO functions */
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);
/* Camera IO functions */
void CAMERA_IO_Init(void);
void CAMERA_IO_Write(uint8_t Addr, uint8_t Reg, uint8_t Value);
uint8_t CAMERA_IO_Read(uint8_t Addr, uint8_t Reg);
void CAMERA_Delay(uint32_t Delay);
/* 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 STM324xG_EVAL_LOW_LEVEL_Private_Functions STM324xG EVAL LOW LEVEL Private Functions
* @{
*/
/**
* @brief This method returns the STM324xG EVAL BSP Driver revision
* @retval version: 0xXYZR (8bits for each decimal, R for RC)
*/
uint32_t BSP_GetVersion(void)
{
return __STM324xG_EVAL_BSP_VERSION;
}
/**
* @brief Configures LED GPIO.
* @param Led: LED to be configured.
* This parameter can be one of the following values:
* @arg LED1
* @arg LED2
* @arg LED3
* @arg LED4
*/
void BSP_LED_Init(Led_TypeDef Led)
{
GPIO_InitTypeDef GPIO_InitStruct;
/* Enable the GPIO_LED clock */
LEDx_GPIO_CLK_ENABLE(Led);
/* Configure the GPIO_LED pin */
GPIO_InitStruct.Pin = GPIO_PIN[Led];
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
HAL_GPIO_Init(GPIO_PORT[Led], &GPIO_InitStruct);
}
/**
* @brief Turns selected LED On.
* @param Led: LED to be set on
* This parameter can be one of the following values:
* @arg LED1
* @arg LED2
* @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 LED1
* @arg LED2
* @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 LED1
* @arg LED2
* @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
* @arg BUTTON_TAMPER: Tamper Push Button
* @arg BUTTON_KEY: Key Push Button
* @arg BUTTON_RIGHT: Joystick Right Push Button
* @arg BUTTON_LEFT: Joystick Left Push Button
* @arg BUTTON_UP: Joystick Up Push Button
* @arg BUTTON_DOWN: Joystick Down Push Button
* @arg BUTTON_SEL: Joystick Sel Push Button
* @param Button_Mode: Button mode
* This parameter can be one of the following values:
* @arg BUTTON_MODE_GPIO: Button will be used as simple IO
* @arg BUTTON_MODE_EXTI: Button will be connected to EXTI line
* with interrupt generation capability
*/
void BSP_PB_Init(Button_TypeDef Button, ButtonMode_TypeDef Button_Mode)
{
GPIO_InitTypeDef GPIO_InitStruct;
/* Enable the BUTTON clock */
BUTTONx_GPIO_CLK_ENABLE(Button);
if(Button_Mode == BUTTON_MODE_GPIO)
{
/* Configure Button pin as input */
GPIO_InitStruct.Pin = BUTTON_PIN[Button];
GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
HAL_GPIO_Init(BUTTON_PORT[Button], &GPIO_InitStruct);
}
if(Button_Mode == BUTTON_MODE_EXTI)
{
/* Configure Button pin as input with External interrupt */
GPIO_InitStruct.Pin = BUTTON_PIN[Button];
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
if(Button != BUTTON_WAKEUP)
{
GPIO_InitStruct.Mode = GPIO_MODE_IT_FALLING;
}
else
{
GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING;
}
HAL_GPIO_Init(BUTTON_PORT[Button], &GPIO_InitStruct);
/* Enable and set Button EXTI Interrupt to the lowest priority */
HAL_NVIC_SetPriority((IRQn_Type)(BUTTON_IRQn[Button]), 0x0F, 0x0);
HAL_NVIC_EnableIRQ((IRQn_Type)(BUTTON_IRQn[Button]));
}
}
/**
* @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
* @arg BUTTON_RIGHT: Joystick Right Push Button
* @arg BUTTON_LEFT: Joystick Left Push Button
* @arg BUTTON_UP: Joystick Up Push Button
* @arg BUTTON_DOWN: Joystick Down Push Button
* @arg BUTTON_SEL: Joystick Sel Push Button
* @retval The Button GPIO pin value
*/
uint32_t BSP_PB_GetState(Button_TypeDef Button)
{
return HAL_GPIO_ReadPin(BUTTON_PORT[Button], BUTTON_PIN[Button]);
}
/**
* @brief Configures 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.
*/
void BSP_COM_Init(COM_TypeDef COM, UART_HandleTypeDef *huart)
{
GPIO_InitTypeDef GPIO_InitStruct;
/* Enable GPIO clock */
EVAL_COMx_TX_GPIO_CLK_ENABLE(COM);
EVAL_COMx_RX_GPIO_CLK_ENABLE(COM);
/* Enable USART clock */
EVAL_COMx_CLK_ENABLE(COM);
/* Configure USART Tx as alternate function */
GPIO_InitStruct.Pin = COM_TX_PIN[COM];
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Alternate = COM_TX_AF[COM];
HAL_GPIO_Init(COM_TX_PORT[COM], &GPIO_InitStruct);
/* Configure USART Rx as alternate function */
GPIO_InitStruct.Pin = COM_RX_PIN[COM];
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Alternate = COM_RX_AF[COM];
HAL_GPIO_Init(COM_RX_PORT[COM], &GPIO_InitStruct);
/* USART configuration */
huart->Instance = COM_USART[COM];
HAL_UART_Init(huart);
}
/**
* @brief Configures joystick GPIO and EXTI modes.
* @param Joy_Mode: Button 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 IO_OK: if all initializations are OK. Other value if error.
*/
uint8_t BSP_JOY_Init(JOYMode_TypeDef Joy_Mode)
{
uint8_t ret = 0;
/* Initialize the IO functionalities */
ret = BSP_IO_Init();
/* Configure joystick pins in IT mode */
if(Joy_Mode == JOY_MODE_EXTI)
{
/* Configure joystick pins in IT mode */
BSP_IO_ConfigPin(JOY_ALL_PINS, IO_MODE_IT_FALLING_EDGE);
}
return ret;
}
/**
* @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)
{
uint8_t tmp = 0;
/* Read the status joystick pins */
tmp = (uint8_t)BSP_IO_ReadPin(JOY_ALL_PINS);
/* Check the pressed keys */
if((tmp & JOY_NONE_PIN) == JOY_NONE)
{
return(JOYState_TypeDef) JOY_NONE;
}
else if(!(tmp & JOY_SEL_PIN))
{
return(JOYState_TypeDef) JOY_SEL;
}
else if(!(tmp & JOY_DOWN_PIN))
{
return(JOYState_TypeDef) JOY_DOWN;
}
else if(!(tmp & JOY_LEFT_PIN))
{
return(JOYState_TypeDef) JOY_LEFT;
}
else if(!(tmp & JOY_RIGHT_PIN))
{
return(JOYState_TypeDef) JOY_RIGHT;
}
else if(!(tmp & JOY_UP_PIN))
{
return(JOYState_TypeDef) JOY_UP;
}
else
{
return(JOYState_TypeDef) JOY_NONE;
}
}
/*******************************************************************************
BUS OPERATIONS
*******************************************************************************/
/**************************** I2C Routines ************************************/
/**
* @brief Initializes I2C MSP.
*/
static void I2Cx_MspInit(void)
{
GPIO_InitTypeDef GPIO_InitStruct;
/*** Configure the GPIOs ***/
/* Enable GPIO clock */
EVAL_I2Cx_SCL_SDA_GPIO_CLK_ENABLE();
/* Configure I2C Tx as alternate function */
GPIO_InitStruct.Pin = EVAL_I2Cx_SCL_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
GPIO_InitStruct.Alternate = EVAL_I2Cx_SCL_SDA_AF;
HAL_GPIO_Init(EVAL_I2Cx_SCL_SDA_GPIO_PORT, &GPIO_InitStruct);
/* Configure I2C Rx as alternate function */
GPIO_InitStruct.Pin = EVAL_I2Cx_SDA_PIN;
HAL_GPIO_Init(EVAL_I2Cx_SCL_SDA_GPIO_PORT, &GPIO_InitStruct);
/*** Configure the I2C peripheral ***/
/* Enable I2C clock */
EVAL_I2Cx_CLK_ENABLE();
/* Force the I2C peripheral clock reset */
EVAL_I2Cx_FORCE_RESET();
/* Release the I2C peripheral clock reset */
EVAL_I2Cx_RELEASE_RESET();
/* Set priority and enable I2Cx event Interrupt */
HAL_NVIC_SetPriority(EVAL_I2Cx_EV_IRQn, 0x0F, 0);
HAL_NVIC_EnableIRQ(EVAL_I2Cx_EV_IRQn);
/* Set priority and enable I2Cx error Interrupt */
HAL_NVIC_SetPriority(EVAL_I2Cx_ER_IRQn, 0x0F, 0);
HAL_NVIC_EnableIRQ(EVAL_I2Cx_ER_IRQn);
}
/**
* @brief Initializes I2C HAL.
*/
static void I2Cx_Init(void)
{
if(HAL_I2C_GetState(&heval_I2c) == HAL_I2C_STATE_RESET)
{
heval_I2c.Instance = EVAL_I2Cx;
heval_I2c.Init.ClockSpeed = BSP_I2C_SPEED;
heval_I2c.Init.DutyCycle = I2C_DUTYCYCLE_2;
heval_I2c.Init.OwnAddress1 = 0;
heval_I2c.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
heval_I2c.Init.DualAddressMode = I2C_DUALADDRESS_DISABLED;
heval_I2c.Init.OwnAddress2 = 0;
heval_I2c.Init.GeneralCallMode = I2C_GENERALCALL_DISABLED;
heval_I2c.Init.NoStretchMode = I2C_NOSTRETCH_DISABLED;
/* Init the I2C */
I2Cx_MspInit();
HAL_I2C_Init(&heval_I2c);
}
}
/**
* @brief Configures I2C Interrupt.
*/
static void I2Cx_ITConfig(void)
{
static uint8_t I2C_IT_Enabled = 0;
GPIO_InitTypeDef GPIO_InitStruct;
if(I2C_IT_Enabled == 0)
{
I2C_IT_Enabled = 1;
/* Enable the GPIO EXTI clock */
__GPIOI_CLK_ENABLE();
__SYSCFG_CLK_ENABLE();
GPIO_InitStruct.Pin = GPIO_PIN_2;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
GPIO_InitStruct.Mode = GPIO_MODE_IT_FALLING;
HAL_GPIO_Init(GPIOI, &GPIO_InitStruct);
/* Set priority and Enable GPIO EXTI Interrupt */
HAL_NVIC_SetPriority((IRQn_Type)(EXTI2_IRQn), 0x0F, 0);
HAL_NVIC_EnableIRQ((IRQn_Type)(EXTI2_IRQn));
}
}
/**
* @brief Reads a single data.
* @param Addr: I2C address
* @param Reg: Reg address
* @retval Data to be read
*/
static uint8_t I2Cx_Read(uint8_t Addr, uint8_t Reg)
{
HAL_StatusTypeDef status = HAL_OK;
uint8_t Value = 0;
status = HAL_I2C_Mem_Read(&heval_I2c, Addr, Reg, I2C_MEMADD_SIZE_8BIT, &Value, 1, I2C_TIMEOUT);
/* Check the communication status */
if(status != HAL_OK)
{
/* Execute user timeout callback */
I2Cx_Error(Addr);
}
return Value;
}
/**
* @brief Writes a single data.
* @param Addr: I2C address
* @param Reg: Reg address
* @param Value: Data to be written
*/
static void I2Cx_Write(uint8_t Addr, uint8_t Reg, uint8_t Value)
{
HAL_StatusTypeDef status = HAL_OK;
status = HAL_I2C_Mem_Write(&heval_I2c, Addr, (uint16_t)Reg, I2C_MEMADD_SIZE_8BIT, &Value, 1, I2C_TIMEOUT);
/* Check the communication status */
if(status != HAL_OK)
{
/* I2C error occurred */
I2Cx_Error(Addr);
}
}
/**
* @brief Reads multiple data.
* @param Addr: I2C address
* @param Reg: Reg address
* @param MemAddress Internal memory address
* @param Buffer: Pointer to data buffer
* @param Length: Length of the data
* @retval Number of read data
*/
static HAL_StatusTypeDef I2Cx_ReadMultiple(uint8_t Addr, uint16_t Reg, uint16_t MemAddress, uint8_t *Buffer, uint16_t Length)
{
HAL_StatusTypeDef status = HAL_OK;
status = HAL_I2C_Mem_Read(&heval_I2c, Addr, (uint16_t)Reg, MemAddress, Buffer, Length, I2C_TIMEOUT);
/* Check the communication status */
if(status != HAL_OK)
{
/* I2C error occurred */
I2Cx_Error(Addr);
}
return status;
}
/**
* @brief Write a value in a register of the device through BUS in using DMA mode
* @param Addr: Device address on BUS Bus.
* @param Reg: The target register address to write
* @param MemAddress Internal memory address
* @param Buffer: The target register value to be written
* @param Length: buffer size to be written
* @retval HAL status
*/
static HAL_StatusTypeDef I2Cx_WriteMultiple(uint8_t Addr, uint16_t Reg, uint16_t MemAddress, uint8_t *Buffer, uint16_t Length)
{
HAL_StatusTypeDef status = HAL_OK;
status = HAL_I2C_Mem_Write(&heval_I2c, Addr, (uint16_t)Reg, MemAddress, Buffer, Length, I2C_TIMEOUT);
/* Check the communication status */
if(status != HAL_OK)
{
/* Re-Initiaize the I2C Bus */
I2Cx_Error(Addr);
}
return status;
}
/**
* @brief Checks if target device is ready for communication.
* @note This function is used with Memory devices
* @param DevAddress: Target device address
* @param Trials: Number of trials
* @retval HAL status
*/
static HAL_StatusTypeDef I2Cx_IsDeviceReady(uint16_t DevAddress, uint32_t Trials)
{
return (HAL_I2C_IsDeviceReady(&heval_I2c, DevAddress, Trials, I2C_TIMEOUT));
}
/**
* @brief Manages error callback by re-initializing I2C.
* @param Addr: I2C Address
*/
static void I2Cx_Error(uint8_t Addr)
{
/* De-initialize the IOE communication BUS */
HAL_I2C_DeInit(&heval_I2c);
/* Re-Initiaize the IOE communication BUS */
I2Cx_Init();
}
/*************************** FSMC Routines ************************************/
/**
* @brief Initializes FSMC_BANK3 MSP.
*/
static void FSMC_BANK3_MspInit(void)
{
GPIO_InitTypeDef GPIO_Init_Structure;
/* Enable FSMC clock */
__FSMC_CLK_ENABLE();
/* Enable GPIOs clock */
__GPIOD_CLK_ENABLE();
__GPIOE_CLK_ENABLE();
__GPIOF_CLK_ENABLE();
__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_HIGH;
GPIO_Init_Structure.Alternate = GPIO_AF12_FSMC;
/* GPIOD configuration */
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_11 | GPIO_PIN_12 | GPIO_PIN_13 |\
GPIO_PIN_14 | GPIO_PIN_15;
HAL_GPIO_Init(GPIOD, &GPIO_Init_Structure);
/* GPIOE configuration */
GPIO_Init_Structure.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_3| GPIO_PIN_4 | 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 IO.
*/
static void FSMC_BANK3_Init(void)
{
SRAM_HandleTypeDef hsram;
FSMC_NORSRAM_TimingTypeDef SRAM_Timing;
/*** Configure the SRAM Bank 3 ***/
/* Configure IPs */
hsram.Instance = FMC_NORSRAM_DEVICE;
hsram.Extended = FMC_NORSRAM_EXTENDED_DEVICE;
SRAM_Timing.AddressSetupTime = 5;
SRAM_Timing.AddressHoldTime = 1;
SRAM_Timing.DataSetupTime = 9;
SRAM_Timing.BusTurnAroundDuration = 0;
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_DISABLE;
hsram.Init.AsynchronousWait = FSMC_ASYNCHRONOUS_WAIT_DISABLE;
hsram.Init.WriteBurst = FSMC_WRITE_BURST_DISABLE;
hsram.Init.PageSize = FSMC_PAGE_SIZE_NONE;
/* Initialize the SRAM controller */
FSMC_BANK3_MspInit();
HAL_SRAM_Init(&hsram, &SRAM_Timing, &SRAM_Timing);
}
/**
* @brief Writes register value.
* @param Data: Data to be written
*/
static void FSMC_BANK3_WriteData(uint16_t Data)
{
/* Write 16-bit Reg */
FMC_BANK3->RAM = Data;
}
/**
* @brief Writes register address.
* @param Reg: Register to be written
*/
static void FSMC_BANK3_WriteReg(uint8_t Reg)
{
/* Write 16-bit Index, then write register */
FMC_BANK3->REG = Reg;
}
/**
* @brief Reads register value.
* @retval Read value
*/
static uint16_t FSMC_BANK3_ReadData(void)
{
return FMC_BANK3->RAM;
}
/*******************************************************************************
LINK OPERATIONS
*******************************************************************************/
/***************************** LINK IOE ***************************************/
/**
* @brief Initializes IOE low level.
*/
void IOE_Init(void)
{
I2Cx_Init();
}
/**
* @brief Configures IOE low level Interrupt.
*/
void IOE_ITConfig(void)
{
I2Cx_ITConfig();
}
/**
* @brief IOE writes single data.
* @param Addr: I2C address
* @param Reg: Reg address
* @param Value: Data to be written
*/
void IOE_Write(uint8_t Addr, uint8_t Reg, uint8_t Value)
{
I2Cx_Write(Addr, Reg, Value);
}
/**
* @brief IOE reads single data.
* @param Addr: I2C address
* @param Reg: Reg address
* @retval Read data
*/
uint8_t IOE_Read(uint8_t Addr, uint8_t Reg)
{
return I2Cx_Read(Addr, Reg);
}
/**
* @brief IOE reads multiple data.
* @param Addr: I2C address
* @param Reg: Reg address
* @param Buffer: Pointer to data buffer
* @param Length: Length of the data
* @retval Number of read data
*/
uint16_t IOE_ReadMultiple(uint8_t Addr, uint8_t Reg, uint8_t *Buffer, uint16_t Length)
{
return I2Cx_ReadMultiple(Addr, Reg, I2C_MEMADD_SIZE_8BIT, Buffer, Length);
}
/**
* @brief IOE delay.
* @param Delay: Delay in ms
*/
void IOE_Delay(uint32_t Delay)
{
HAL_Delay(Delay);
}
/********************************* LINK LCD ***********************************/
/**
* @brief Initializes LCD low level.
*/
void LCD_IO_Init(void)
{
if(Is_LCD_IO_Initialized == 0)
{
Is_LCD_IO_Initialized = 1;
FSMC_BANK3_Init();
}
}
/**
* @brief Writes data on LCD data register.
* @param Data: Data to be written
*/
void LCD_IO_WriteData(uint16_t Data)
{
/* Write 16-bit Reg */
FSMC_BANK3_WriteData(Data);
}
/**
* @brief Write register value.
* @param pData Pointer on the register value
* @param Size Size of byte to transmit to the register
*/
void LCD_IO_WriteMultipleData(uint8_t *pData, uint32_t Size)
{
uint32_t counter;
uint16_t *ptr = (uint16_t *) pData;
for (counter = 0; counter < Size; counter+=2)
{
/* Write 16-bit Reg */
FSMC_BANK3_WriteData(*ptr);
ptr++;
}
}
/**
* @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 */
FSMC_BANK3_WriteReg(Reg);
}
/**
* @brief Reads data from LCD data register.
* @param Reg: Register to be read
* @retval Read data.
*/
uint16_t LCD_IO_ReadData(uint16_t Reg)
{
FSMC_BANK3_WriteReg(Reg);
/* Read 16-bit Reg */
return FSMC_BANK3_ReadData();
}
/********************************* LINK AUDIO *********************************/
/**
* @brief Initializes Audio low level.
*/
void AUDIO_IO_Init(void)
{
I2Cx_Init();
}
/**
* @brief DeInitializes Audio low level.
* @note This function is intentionally kept empty, user should define it.
*/
void AUDIO_IO_DeInit(void)
{
}
/**
* @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, uint8_t Reg, uint8_t Value)
{
I2Cx_Write(Addr, Reg, Value);
}
/**
* @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)
{
return I2Cx_Read(Addr, Reg);
}
/***************************** LINK CAMERA ************************************/
/**
* @brief Initializes Camera low level.
*/
void CAMERA_IO_Init(void)
{
I2Cx_Init();
}
/**
* @brief Camera writes single data.
* @param Addr: I2C address
* @param Reg: Reg address
* @param Value: Data to be written
*/
void CAMERA_IO_Write(uint8_t Addr, uint8_t Reg, uint8_t Value)
{
I2Cx_Write(Addr, Reg, Value);
}
/**
* @brief Camera reads single data.
* @param Addr: I2C address
* @param Reg: Reg address
* @retval Read data
*/
uint8_t CAMERA_IO_Read(uint8_t Addr, uint8_t Reg)
{
return I2Cx_Read(Addr, Reg);
}
/**
* @brief Camera delay.
* @param Delay: Delay in ms
*/
void CAMERA_Delay(uint32_t Delay)
{
HAL_Delay(Delay);
}