STM32L4R9I-Discovery BSP User Manual: stm32l4r9i_discovery.c File Reference

STM32L4R9I-Discovery BSP

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Defines | Functions | Variables
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.

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