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stm32469i_eval.c
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stm32469i_eval.c
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/**
******************************************************************************
* @file stm32469i_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 STM32469I-EVAL evaluation
* board(MB1165) RevA/B 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 stm32469i_eval_io to manage the joystick
------------------------------------------------------------------------------*/
/* Includes ------------------------------------------------------------------*/
#include "stm32469i_eval.h"
#if defined(USE_IOEXPANDER)
#include "stm32469i_eval_io.h"
#endif /* USE_IOEXPANDER */
/** @defgroup BSP BSP
* @{
*/
/** @defgroup STM32469I_EVAL STM32469I EVAL
* @{
*/
/** @defgroup STM32469I_EVAL_LOW_LEVEL STM32469I EVAL LOW LEVEL
* @{
*/
/** @defgroup STM32469I_EVAL_LOW_LEVEL_Private_TypesDefinitions STM32469I EVAL LOW LEVEL Private TypesDefinitions
* @{
*/
/**
* @}
*/
/** @defgroup STM32469I_EVAL_LOW_LEVEL_Private_Defines STM32469I EVAL LOW LEVEL Private Defines
* @{
*/
/**
* @brief STM32469I EVAL BSP Driver version number V2.1.2
*/
#define __STM32469I_EVAL_BSP_VERSION_MAIN (0x02) /*!< [31:24] main version */
#define __STM32469I_EVAL_BSP_VERSION_SUB1 (0x01) /*!< [23:16] sub1 version */
#define __STM32469I_EVAL_BSP_VERSION_SUB2 (0x02) /*!< [15:8] sub2 version */
#define __STM32469I_EVAL_BSP_VERSION_RC (0x00) /*!< [7:0] release candidate */
#define __STM32469I_EVAL_BSP_VERSION ((__STM32469I_EVAL_BSP_VERSION_MAIN << 24)\
|(__STM32469I_EVAL_BSP_VERSION_SUB1 << 16)\
|(__STM32469I_EVAL_BSP_VERSION_SUB2 << 8 )\
|(__STM32469I_EVAL_BSP_VERSION_RC))
/**
* @}
*/
/** @defgroup STM32469I_EVAL_LOW_LEVEL_Private_Macros STM32469I EVAL LOW LEVEL Private Macros
* @{
*/
/**
* @}
*/
/** @defgroup STM32469I_EVAL_LOW_LEVEL_Private_Variables STM32469I EVAL LOW LEVEL Private Variables
* @{
*/
const uint32_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};
static I2C_HandleTypeDef heval_I2c;
/**
* @}
*/
/** @defgroup STM32469I_EVAL_LOW_LEVEL_Private_FunctionPrototypes STM32469I EVAL LOW LEVEL Private FunctionPrototypes
* @{
*/
static void I2Cx_MspInit(void);
static void I2Cx_Init(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_ReadMultiple(uint8_t Addr, uint16_t Reg, uint16_t MemAddSize, uint8_t *Buffer, uint16_t Length);
static HAL_StatusTypeDef I2Cx_WriteMultiple(uint8_t Addr, uint16_t Reg, uint16_t MemAddSize, uint8_t *Buffer, uint16_t Length);
static HAL_StatusTypeDef I2Cx_IsDeviceReady(uint16_t DevAddress, uint32_t Trials);
static void I2Cx_Error(uint8_t Addr);
/* 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);
void IOE_WriteMultiple(uint8_t Addr, uint8_t Reg, uint8_t *Buffer, uint16_t Length);
#if defined(USE_IOEXPANDER)
/* MFX IO functions */
void MFX_IO_Init(void);
void MFX_IO_DeInit(void);
void MFX_IO_ITConfig(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);
uint16_t MFX_IO_ReadMultiple(uint16_t Addr, uint8_t Reg, uint8_t *Buffer, uint16_t Length);
void MFX_IO_Wakeup(void);
void MFX_IO_EnableWakeupPin(void);
#endif /* USE_IOEXPANDER */
/* 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);
/* CAMERA IO functions */
void CAMERA_IO_Init(void);
void CAMERA_Delay(uint32_t Delay);
void CAMERA_IO_Write(uint8_t Addr, uint16_t Reg, uint16_t Value);
uint16_t CAMERA_IO_Read(uint8_t Addr, uint16_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);
void OTM8009A_IO_Delay(uint32_t Delay);
/**
* @}
*/
/** @defgroup STM32469I_EVAL_BSP_Public_Functions STM32469I EVAL BSP Public Functions
* @{
*/
/**
* @brief This method returns the STM32469I EVAL BSP Driver revision
* @retval version: 0xXYZR (8bits for each decimal, R for RC)
*/
uint32_t BSP_GetVersion(void)
{
return __STM32469I_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)
{
#if !defined(USE_STM32469I_EVAL_REVA)
/* Eval Rev B and beyond : leds are directly connected to MCU o PK3, 4, 5, 6 */
GPIO_InitTypeDef gpio_init_structure;
/* On RevB LED1, LED2, LED3 and LED4 are on GPIO */
if (Led <= LED4)
{
/* Enable the GPIO_LED clock */
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(LEDx_GPIO_PORT, &gpio_init_structure);
/* By default, turn off LED by setting a high level on corresponding GPIO */
HAL_GPIO_WritePin(LEDx_GPIO_PORT, GPIO_PIN[Led], GPIO_PIN_SET);
}
#else
#if defined(USE_IOEXPANDER) /* (USE_IOEXPANDER always defined for RevA) */
/* Initialize the IO functionalities */
BSP_IO_Init();
/* the output mode choices shall be extended to PushPull / PullUp*/
BSP_IO_ConfigPin(GPIO_PIN[Led], IO_MODE_OUTPUT_PP_PU);
BSP_IO_WritePin(GPIO_PIN[Led], BSP_IO_PIN_SET);
#endif /* USE_IOEXPANDER */
#endif /* USE_STM32469I_EVAL_REVA */
}
/**
* @brief DeInit LEDs.
* @param Led: LED to be configured.
* This parameter can be one of the following values:
* @arg LED1
* @arg LED2
* @arg LED3
* @arg LED4
* @note Led DeInit does not disable the GPIO clock nor disable the Mfx
*/
void BSP_LED_DeInit(Led_TypeDef Led)
{
#if !defined(USE_STM32469I_EVAL_REVA)
/* Eval Rev B and beyond */
GPIO_InitTypeDef gpio_init_structure;
/* On RevB LED1 LED2 LED3 and LED4 are on GPIO PK3, 4, 5, 6 */
if (Led <= LED4)
{
/* Turn off LED */
HAL_GPIO_WritePin(LEDx_GPIO_PORT, GPIO_PIN[Led], GPIO_PIN_RESET);
/* DeInit the GPIO_LED pin */
gpio_init_structure.Pin = GPIO_PIN[Led];
HAL_GPIO_DeInit(LEDx_GPIO_PORT, gpio_init_structure.Pin);
}
#else
#if defined(USE_IOEXPANDER) /* (USE_IOEXPANDER always defined for RevA) */
/* GPIO_PIN[Led] depends on the board revision: */
/* - in case of RevA all leds are on IOEXPANDER (Mfx) */
BSP_IO_ConfigPin(GPIO_PIN[Led], IO_MODE_OFF);
#endif /* USE_IOEXPANDER */
#endif /* USE_STM32469I_EVAL_REVA */
}
/**
* @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)
{
#if !defined(USE_STM32469I_EVAL_REVA)
/* Eval Rev B and beyond */
/* On RevB LED1 LED2 LED3 and LED4 are on GPIO PK3, 4, 5, 6 */
if (Led <= LED4)
{
HAL_GPIO_WritePin(LEDx_GPIO_PORT, GPIO_PIN[Led], GPIO_PIN_RESET);
}
#else
#if defined(USE_IOEXPANDER) /* (USE_IOEXPANDER always defined for RevA) */
/* GPIO_PIN[Led] depends on the board revision: */
/* - in case of RevA all leds are on IOEXPANDER (Mfx) */
BSP_IO_WritePin(GPIO_PIN[Led], BSP_IO_PIN_RESET);
#endif /* USE_IOEXPANDER */
#endif /* USE_STM32469I_EVAL_REVA */
}
/**
* @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)
{
#if !defined(USE_STM32469I_EVAL_REVA)
/* Eval Rev B and beyond */
/* On RevB LED1 LED2 LED3 and LED4 are on GPIO PK3, 4, 5, 6 */
if (Led <= LED4)
{
HAL_GPIO_WritePin(LEDx_GPIO_PORT, GPIO_PIN[Led], GPIO_PIN_SET);
}
#else
#if defined(USE_IOEXPANDER) /* (USE_IOEXPANDER always defined for RevA) */
/* GPIO_PIN[Led] depends on the board revision: */
/* - in case of RevA all leds are on IOEXPANDER (Mfx) */
BSP_IO_WritePin(GPIO_PIN[Led], BSP_IO_PIN_SET);
#endif /* USE_IOEXPANDER */
#endif /* USE_STM32469I_EVAL_REVA */
}
/**
* @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)
{
#if !defined(USE_STM32469I_EVAL_REVA)
/* Eval Rev B and beyond */
/* On RevB LED1 LED2 LED3 and LED4 are on GPIO PK3, 4, 5, 6 */
if (Led <= LED4)
{
HAL_GPIO_TogglePin(LEDx_GPIO_PORT, GPIO_PIN[Led]);
}
#else
#if defined(USE_IOEXPANDER) /* (USE_IOEXPANDER always defined for RevA) */
/* GPIO_PIN[Led] depends on the board revision: */
/* - in case of RevA all leds are on IOEXPANDER (Mfx) */
BSP_IO_TogglePin(GPIO_PIN[Led]);
#endif /* USE_IOEXPANDER */
#endif /* USE_STM32469I_EVAL_REVA */
}
/**
* @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
* @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_init_structure;
/* Enable the BUTTON clock */
BUTTONx_GPIO_CLK_ENABLE(Button);
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;
if(Button != BUTTON_WAKEUP)
{
gpio_init_structure.Mode = GPIO_MODE_IT_FALLING;
}
else
{
gpio_init_structure.Mode = GPIO_MODE_IT_RISING;
}
HAL_GPIO_Init(BUTTON_PORT[Button], &gpio_init_structure);
/* Enable and set Button EXTI Interrupt to the lowest priority */
HAL_NVIC_SetPriority((IRQn_Type)(BUTTON_IRQn[Button]), 0x0F, 0x00);
HAL_NVIC_EnableIRQ((IRQn_Type)(BUTTON_IRQn[Button]));
}
}
/**
* @brief Push Button DeInit.
* @param Button: Button to be configured
* This parameter can be one of the following values:
* @arg BUTTON_WAKEUP: Wakeup Push Button
* @arg BUTTON_TAMPER: Tamper Push Button
* @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
* @arg BUTTON_TAMPER: Tamper 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_init_structure;
/* Enable GPIO clock of GPIO port supporting COM_TX and COM_RX pins */
EVAL_COMx_TX_RX_GPIO_CLK_ENABLE(COM);
/* Enable USART clock */
EVAL_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.Pull = GPIO_PULLUP;
gpio_init_structure.Speed = GPIO_SPEED_HIGH;
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];
HAL_GPIO_Init(COM_RX_PORT[COM], &gpio_init_structure);
/* USART configuration */
huart->Instance = COM_USART[COM];
HAL_UART_Init(huart);
}
/**
* @brief DeInit COM port.
* @param COM: COM port to be configured.
* This parameter can be one of the following values:
* @arg COM1
* @arg COM2
* @param huart: Pointer to a UART_HandleTypeDef structure that contains the
* configuration information for the specified USART peripheral.
*/
void BSP_COM_DeInit(COM_TypeDef COM, UART_HandleTypeDef *huart)
{
/* USART configuration */
huart->Instance = COM_USART[COM];
HAL_UART_DeInit(huart);
/* Enable USART clock */
EVAL_COMx_CLK_DISABLE(COM);
/* DeInit GPIO pins can be done in the application
(by surcharging this __weak function) */
/* GPOI pins clock, FMC clock and DMA clock can be shut down in the applic
by surcgarging this __weak function */
}
#if defined(USE_IOEXPANDER)
/**
* @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 IO interrupt acquisition mode */
BSP_IO_ConfigPin(JOY_ALL_PINS, IO_MODE_IT_LOW_LEVEL_PU);
}
else
{
BSP_IO_ConfigPin(JOY_ALL_PINS, IO_MODE_INPUT_PU);
}
return ret;
}
/**
* @brief DeInit joystick GPIOs.
* @note JOY DeInit does not disable the Mfx, just set the Mfx pins in Off mode
*/
void BSP_JOY_DeInit()
{
BSP_IO_ConfigPin(JOY_ALL_PINS, IO_MODE_OFF);
}
/**
* @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)
{
uint16_t pin_status = 0;
/* Read the status joystick pins */
pin_status = BSP_IO_ReadPin(JOY_ALL_PINS);
/* Check the pressed keys */
if((pin_status & JOY_NONE_PIN) == JOY_NONE)
{
return(JOYState_TypeDef) JOY_NONE;
}
else if(!(pin_status & JOY_SEL_PIN))
{
return(JOYState_TypeDef) JOY_SEL;
}
else if(!(pin_status & JOY_DOWN_PIN))
{
return(JOYState_TypeDef) JOY_DOWN;
}
else if(!(pin_status & JOY_LEFT_PIN))
{
return(JOYState_TypeDef) JOY_LEFT;
}
else if(!(pin_status & JOY_RIGHT_PIN))
{
return(JOYState_TypeDef) JOY_RIGHT;
}
else if(!(pin_status & JOY_UP_PIN))
{
return(JOYState_TypeDef) JOY_UP;
}
else
{
return(JOYState_TypeDef) JOY_NONE;
}
}
#endif /* USE_IOEXPANDER */
/**
* @}
*/
/** @defgroup STM32469I_EVAL_LOW_LEVEL_Private_Functions STM32469I EVAL LOW LEVEL Private Functions
* @{
*/
/*******************************************************************************
BUS OPERATIONS
*******************************************************************************/
/******************************* I2C Routines *********************************/
/**
* @brief Initializes I2C MSP.
*/
static void I2Cx_MspInit(void)
{
GPIO_InitTypeDef gpio_init_structure;
/*** Configure the GPIOs ***/
/* Enable GPIO clock */
EVAL_I2Cx_SCL_SDA_GPIO_CLK_ENABLE();
/* Configure I2C Tx as alternate function */
gpio_init_structure.Pin = EVAL_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 = EVAL_I2Cx_SCL_SDA_AF;
HAL_GPIO_Init(EVAL_I2Cx_SCL_SDA_GPIO_PORT, &gpio_init_structure);
/* Configure I2C Rx as alternate function */
gpio_init_structure.Pin = EVAL_I2Cx_SDA_PIN;
HAL_GPIO_Init(EVAL_I2Cx_SCL_SDA_GPIO_PORT, &gpio_init_structure);
/*** 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();
/* Enable and set I2Cx Interrupt to a lower priority */
HAL_NVIC_SetPriority(EVAL_I2Cx_EV_IRQn, 0x05, 0);
HAL_NVIC_EnableIRQ(EVAL_I2Cx_EV_IRQn);
/* Enable and set I2Cx Interrupt to a lower priority */
HAL_NVIC_SetPriority(EVAL_I2Cx_ER_IRQn, 0x05, 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 = I2C1;
heval_I2c.Init.ClockSpeed = I2C_SCL_FREQ_KHZ;
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_DISABLE;
heval_I2c.Init.OwnAddress2 = 0;
heval_I2c.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
heval_I2c.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
/* Init the I2C */
I2Cx_MspInit();
HAL_I2C_Init(&heval_I2c);
}
}
/**
* @brief Writes a single data.
* @param Addr: I2C address
* @param Reg: Register 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,
100);
/* Check the communication status */
if(status != HAL_OK)
{
/* Execute user timeout callback */
I2Cx_Error(Addr);
}
}
/**
* @brief Reads a single data.
* @param Addr: I2C address
* @param Reg: Register address
* @retval Read data
*/
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,
1000);
/* Check the communication status */
if(status != HAL_OK)
{
/* Execute user timeout callback */
I2Cx_Error(Addr);
}
return Value;
}
/**
* @brief Reads multiple data.
* @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 HAL status
*/
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,
1000);
/* Check the communication status */
if(status != HAL_OK)
{
/* I2C error occurred */
I2Cx_Error(Addr);
}
return status;
}
/**
* @brief Writes 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: 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,
1000);
/* 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, 1000));
}
/**
* @brief Manages error callback by re-initializing I2C.
* @param Addr: I2C Address
*/
static void I2Cx_Error(uint8_t Addr)
{
/* De-initialize the I2C communication bus */
HAL_I2C_DeInit(&heval_I2c);
/* Re-Initiaize the I2C communication bus */
I2Cx_Init();
}
/**
* @}
*/
/*******************************************************************************
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)
{
static uint8_t IOE_IT_Enabled = 0;
/* GPIO_InitTypeDef GPIO_InitStruct; */
if(IOE_IT_Enabled == 0)
{
IOE_IT_Enabled = 1;
/* to be implemented */
}
}
/**
* @brief IOE writes single data.
* @param Addr: I2C address
* @param Reg: Register 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: Register 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: Register 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, (uint16_t)Reg, I2C_MEMADD_SIZE_8BIT, Buffer, Length);
}
/**
* @brief IOE writes multiple data.
* @param Addr: I2C address
* @param Reg: Register address
* @param Buffer: Pointer to data buffer
* @param Length: Length of the data
*/
void IOE_WriteMultiple(uint8_t Addr, uint8_t Reg, uint8_t *Buffer, uint16_t Length)
{
I2Cx_WriteMultiple(Addr, (uint16_t)Reg, I2C_MEMADD_SIZE_8BIT, Buffer, Length);
}
/**
* @brief IOE delay
* @param Delay: Delay in ms
*/
void IOE_Delay(uint32_t Delay)
{
HAL_Delay(Delay);
}
#if defined(USE_IOEXPANDER)
/********************************* LINK MFX ***********************************/
/**
* @brief Initializes MFX low level.
*/
void MFX_IO_Init(void)
{
I2Cx_Init();
}
/**
* @brief DeInitializes MFX low level.
*/
void MFX_IO_DeInit(void)
{
}
/**
* @brief Configures MFX low level interrupt.
*/
void MFX_IO_ITConfig(void)
{
static uint8_t MFX_IO_IT_Enabled = 0;
GPIO_InitTypeDef gpio_init_structure;
if(MFX_IO_IT_Enabled == 0)
{
MFX_IO_IT_Enabled = 1;
/* Enable the GPIO EXTI clock */
__HAL_RCC_GPIOI_CLK_ENABLE();
__HAL_RCC_SYSCFG_CLK_ENABLE();
gpio_init_structure.Pin = GPIO_PIN_8;
gpio_init_structure.Pull = GPIO_NOPULL;
gpio_init_structure.Speed = GPIO_SPEED_LOW;
gpio_init_structure.Mode = GPIO_MODE_IT_RISING;
HAL_GPIO_Init(GPIOI, &gpio_init_structure);
/* Enable and set GPIO EXTI Interrupt to the lowest priority */
HAL_NVIC_SetPriority((IRQn_Type)(EXTI9_5_IRQn), 0x0F, 0x0F);
HAL_NVIC_EnableIRQ((IRQn_Type)(EXTI9_5_IRQn));
}
}
/**
* @brief MFX writes single data.
* @param Addr: I2C address
* @param Reg: Register address
* @param Value: Data to be written
*/
void MFX_IO_Write(uint16_t Addr, uint8_t Reg, uint8_t Value)
{
I2Cx_Write((uint8_t) Addr, Reg, 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 I2Cx_Read((uint8_t) Addr, Reg);
}
/**
* @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 I2Cx_ReadMultiple((uint8_t)Addr, (uint16_t)Reg, I2C_MEMADD_SIZE_8BIT, Buffer, Length);
}
/**
* @brief MFX delay
* @param Delay: Delay in ms
*/
void MFX_IO_Delay(uint32_t Delay)
{
HAL_Delay(Delay);
}
/**