stm32l4r9i_discovery.c File Reference

This file provides a set of firmware functions to manage Leds, push-button and joystick of STM32L4R9I_DISCOVERY board (MB1311) More...

#include "stm32l4r9i_discovery.h" #include "stm32l4r9i_discovery_io.h"
#include "stm32l4r9i_discovery_lcd.h"

Go to the source code of this file.

Defines
#define	__STM32L4R9I_DISCOVERY_BSP_VERSION_MAIN   (0x01)
	STM32L4R9I_DISCOVERY BSP Driver version number.
#define	__STM32L4R9I_DISCOVERY_BSP_VERSION_SUB1   (0x00)
#define	__STM32L4R9I_DISCOVERY_BSP_VERSION_SUB2   (0x00)
#define	__STM32L4R9I_DISCOVERY_BSP_VERSION_RC   (0x00)
#define	__STM32L4R9I_DISCOVERY_BSP_VERSION
#define	BSP_I2C_NO_USER   0x00000000U
	BSP I2C users.
#define	BSP_I2C_AUDIO_USER   0x00000001U
#define	BSP_I2C_TS_USER   0x00000002U
#define	BSP_I2C_MFX_USER   0x00000004U
#define	BSP_I2C_CAMERA_USER   0x00000008U
#define	BSP_I2C_ALL_USERS   0x0000000FU
Functions
static void	I2C1_Init (uint32_t user)
	Discovery I2C1 Bus initialization.
static void	I2C1_MspInit (I2C_HandleTypeDef *hi2c)
	Discovery I2C1 MSP Initialization.
void	I2C1_DeInit (uint32_t user)
	Discovery I2C1 Bus Deinitialization.
static void	I2C1_MspDeInit (I2C_HandleTypeDef *hi2c)
	Discovery I2C1 MSP DeInitialization.
static void	I2C1_WriteData (uint16_t Addr, uint16_t Reg, uint16_t RegSize, uint8_t Value)
	Write a value in a register of the device through BUS.
static HAL_StatusTypeDef	I2C1_WriteBuffer (uint16_t Addr, uint16_t Reg, uint16_t RegSize, uint8_t *pBuffer, uint16_t Length)
	Write a value in a register of the device through BUS.
static uint8_t	I2C1_ReadData (uint16_t Addr, uint16_t Reg, uint16_t RegSize)
	Read a register of the device through BUS.
static HAL_StatusTypeDef	I2C1_ReadBuffer (uint16_t Addr, uint16_t Reg, uint16_t RegSize, uint8_t *pBuffer, uint16_t Length)
	Reads multiple data on the BUS.
static void	I2C1_Error (void)
	Discovery I2C1 error treatment function.
static HAL_StatusTypeDef	I2C1_ReadMultiple (uint8_t Addr, uint16_t Reg, uint16_t MemAddress, uint8_t *Buffer, uint16_t Length)
	Reads multiple data.
static HAL_StatusTypeDef	I2C1_WriteMultiple (uint8_t Addr, uint16_t Reg, uint16_t MemAddress, uint8_t *Buffer, uint16_t Length)
	Writes a value in a register of the device through BUS.
static uint8_t	I2C1_isDeviceReady (uint16_t Addr, uint32_t Trials)
	Checks if target device is ready for communication.
void	AUDIO_IO_Init (void)
	Initializes Audio low level.
void	AUDIO_IO_DeInit (void)
	Deinitializes Audio low level.
void	AUDIO_IO_Write (uint8_t Addr, uint8_t Reg, uint8_t Value)
	Writes a single data.
uint8_t	AUDIO_IO_Read (uint8_t Addr, uint8_t Reg)
	Reads a single data.
void	AUDIO_IO_Delay (uint32_t Delay)
	AUDIO Codec delay.
void	TS_IO_Init (void)
	Initializes Touchscreen low level.
void	TS_IO_Write (uint8_t Addr, uint8_t Reg, uint8_t Value)
	Writes a single data.
uint8_t	TS_IO_Read (uint8_t Addr, uint8_t Reg)
	Reads a single data.
uint16_t	TS_IO_ReadMultiple (uint8_t Addr, uint8_t Reg, uint8_t *Buffer, uint16_t Length)
	Reads multiple data with I2C communication channel from TouchScreen.
void	TS_IO_WriteMultiple (uint8_t Addr, uint8_t Reg, uint8_t *Buffer, uint16_t Length)
	Writes multiple data with I2C communication channel from MCU to TouchScreen.
void	TS_IO_Delay (uint32_t Delay)
	Delay function used in TouchScreen low level driver.
void	CAMERA_IO_Init (void)
	Initializes Camera low level.
void	CAMERA_Delay (uint32_t Delay)
	Camera delay.
void	CAMERA_IO_Write (uint8_t Addr, uint8_t Reg, uint8_t Value)
	Camera writes single data.
uint8_t	CAMERA_IO_Read (uint8_t Addr, uint8_t Reg)
	Camera reads single data.
void	MFX_IO_Init (void)
	Initializes MFX low level.
void	MFX_IO_DeInit (void)
	Deinitializes MFX low level.
void	MFX_IO_ITConfig (void)
	Configures MFX low level interrupt.
void	MFX_IO_EnableWakeupPin (void)
	Configures MFX wke up pin.
void	MFX_IO_Wakeup (void)
	Wakeup MFX.
void	MFX_IO_Delay (uint32_t Delay)
	MFX delay.
void	MFX_IO_Write (uint16_t Addr, uint8_t Reg, uint8_t Value)
	MFX writes single data.
uint8_t	MFX_IO_Read (uint16_t Addr, uint8_t Reg)
	MFX reads single data.
void	MFX_IO_WriteMultiple (uint16_t Addr, uint8_t Reg, uint8_t *Buffer, uint16_t Length)
	MFX writes multiple data.
uint16_t	MFX_IO_ReadMultiple (uint16_t Addr, uint8_t Reg, uint8_t *Buffer, uint16_t Length)
	MFX reads multiple data.
__weak void	BSP_ErrorHandler (void)
	Error Handler.
uint32_t	BSP_GetVersion (void)
	This method returns the STM32L4R9I DISCOVERY BSP Driver revision.
void	BSP_LED_Init (Led_TypeDef Led)
	Configures LED GPIOs.
void	BSP_LED_DeInit (Led_TypeDef Led)
	Unconfigures LED GPIOs.
void	BSP_LED_On (Led_TypeDef Led)
	Turns selected LED On.
void	BSP_LED_Off (Led_TypeDef Led)
	Turns selected LED Off.
void	BSP_LED_Toggle (Led_TypeDef Led)
	Toggles the selected LED.
uint8_t	BSP_JOY_Init (JOYMode_TypeDef Joy_Mode)
	Configures all buttons of the joystick in GPIO or EXTI modes.
void	BSP_JOY_DeInit (void)
	Unonfigures all GPIOs used as buttons of the joystick.
JOYState_TypeDef	BSP_JOY_GetState (void)
	Returns the current joystick status.
void	BSP_COM_Init (COM_TypeDef COM, UART_HandleTypeDef *huart)
	Configures COM port.
void	BSP_COM_DeInit (COM_TypeDef COM, UART_HandleTypeDef *huart)
	DeInit COM port.
Variables
const uint16_t	LED_PIN [LEDn]
	LED variables.
USART_TypeDef *	COM_USART [COMn] = {DISCOVERY_COM1}
	COM port variables.
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}
uint32_t	I2c1Timeout = DISCOVERY_I2C1_TIMEOUT_MAX
	BUS variables.
static I2C_HandleTypeDef	I2c1Handle = {0}
static uint32_t	v_bspI2cUsers = BSP_I2C_NO_USER
uint32_t	bsp_lcd_initialized = 0
uint32_t	bsp_psram_initialized = 0

---

Detailed Description

This file provides a set of firmware functions to manage Leds, push-button and joystick of STM32L4R9I_DISCOVERY board (MB1311)

Author:

MCD Application Team

Attention:

© COPYRIGHT(c) 2017 STMicroelectronics

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. 3. Neither the name of STMicroelectronics nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Definition in file stm32l4r9i_discovery.c.