STM32L152D_EVAL BSP User Manual: Bus Operations Functions

STM32L152D_EVAL BSP

STM32L152D_EVAL BSP User Manual
Bus Operations Functions

Functions

static void FSMC_BANK4_MspInit (void)
 Initializes FSMC_BANK4 MSP.
static void FSMC_BANK4_Init (void)
 Initializes LCD IO.
static void FSMC_BANK4_WriteData (uint16_t Data)
 Writes register value.
static void FSMC_BANK4_WriteReg (uint8_t Reg)
 Writes register address.
static uint16_t FSMC_BANK4_ReadData (void)
 Reads register value.
static void I2Cx_MspInit (I2C_HandleTypeDef *hi2c)
 Eval I2Cx MSP Initialization.
static void I2Cx_Init (void)
 Eval I2Cx Bus initialization.
static void I2Cx_WriteData (uint16_t Addr, uint8_t Reg, uint8_t Value)
 Write a value in a register of the device through BUS.
static HAL_StatusTypeDef I2Cx_WriteBuffer (uint16_t Addr, uint8_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 I2Cx_ReadData (uint16_t Addr, uint8_t Reg)
 Read a value in a register of the device through BUS.
static HAL_StatusTypeDef I2Cx_ReadBuffer (uint16_t Addr, uint8_t Reg, uint16_t RegSize, uint8_t *pBuffer, uint16_t Length)
 Reads multiple data on the BUS.
static HAL_StatusTypeDef I2Cx_IsDeviceReady (uint16_t DevAddress, uint32_t Trials)
 Checks if target device is ready for communication.
static void I2Cx_Error (void)
 Eval I2Cx error treatment function.
static void SPIx_MspInit (SPI_HandleTypeDef *hspi)
 Initializes SPI MSP.
static void SPIx_Init (void)
 Initializes SPI HAL.
static uint32_t SPIx_Read (void)
 SPI Read 4 bytes from device.
static void SPIx_Write (uint8_t Value)
 SPI Write a byte to device.
static void SPIx_Error (void)
 SPI error treatment function.

Function Documentation

static void FSMC_BANK4_Init ( void  ) [static]

Initializes LCD IO.

Return values:
None

Definition at line 604 of file stm32l152d_eval.c.

References FSMC_BANK4_MspInit().

Referenced by LCD_IO_Init().

static void FSMC_BANK4_MspInit ( void  ) [static]

Initializes FSMC_BANK4 MSP.

Return values:
None

Definition at line 552 of file stm32l152d_eval.c.

Referenced by FSMC_BANK4_Init().

static uint16_t FSMC_BANK4_ReadData ( void  ) [static]

Reads register value.

Return values:
Readvalue

Definition at line 667 of file stm32l152d_eval.c.

References TFT_LCD.

Referenced by LCD_IO_ReadData().

static void FSMC_BANK4_WriteData ( uint16_t  Data) [static]

Writes register value.

Parameters:
Data,:
Return values:
None

Definition at line 646 of file stm32l152d_eval.c.

References TFT_LCD.

Referenced by LCD_IO_WriteData(), and LCD_IO_WriteMultipleData().

static void FSMC_BANK4_WriteReg ( uint8_t  Reg) [static]

Writes register address.

Parameters:
Reg,:
Return values:
None

Definition at line 657 of file stm32l152d_eval.c.

References TFT_LCD.

Referenced by LCD_IO_ReadData(), and LCD_IO_WriteReg().

static void I2Cx_Error ( void  ) [static]

Eval I2Cx error treatment function.

Return values:
None

Definition at line 860 of file stm32l152d_eval.c.

References heval_I2c, and I2Cx_Init().

Referenced by I2Cx_ReadBuffer(), I2Cx_ReadData(), I2Cx_WriteBuffer(), and I2Cx_WriteData().

static void I2Cx_Init ( void  ) [static]

Eval I2Cx Bus initialization.

Return values:
None

Definition at line 731 of file stm32l152d_eval.c.

References EVAL_I2Cx, heval_I2c, and I2Cx_MspInit().

Referenced by AUDIO_IO_Init(), EEPROM_I2C_IO_Init(), I2Cx_Error(), and TSENSOR_IO_Init().

static HAL_StatusTypeDef I2Cx_IsDeviceReady ( uint16_t  DevAddress,
uint32_t  Trials 
) [static]

Checks if target device is ready for communication.

Note:
This function is used with Memory devices
Parameters:
DevAddress,:Target device address
Trials,:Number of trials
Return values:
HALstatus

Definition at line 850 of file stm32l152d_eval.c.

References heval_I2c, and I2cxTimeout.

Referenced by EEPROM_I2C_IO_IsDeviceReady(), and TSENSOR_IO_IsDeviceReady().

static void I2Cx_MspInit ( I2C_HandleTypeDef *  hi2c) [static]
static HAL_StatusTypeDef I2Cx_ReadBuffer ( uint16_t  Addr,
uint8_t  Reg,
uint16_t  RegSize,
uint8_t *  pBuffer,
uint16_t  Length 
) [static]

Reads multiple data on the BUS.

Parameters:
Addr,:I2C Address
Reg,:Reg Address
RegSize: The target register size (can be 8BIT or 16BIT)
pBuffer,:pointer to read data buffer
Length,:length of the data
Return values:
0if no problems to read multiple data

Definition at line 828 of file stm32l152d_eval.c.

References heval_I2c, I2Cx_Error(), and I2cxTimeout.

Referenced by EEPROM_I2C_IO_ReadData(), and TSENSOR_IO_Read().

static uint8_t I2Cx_ReadData ( uint16_t  Addr,
uint8_t  Reg 
) [static]

Read a value in a register of the device through BUS.

Parameters:
Addr,:Device address on BUS Bus.
Reg,:The target register address to write
Return values:
Dataread at register @

Definition at line 802 of file stm32l152d_eval.c.

References heval_I2c, I2Cx_Error(), and I2cxTimeout.

Referenced by AUDIO_IO_Read().

static HAL_StatusTypeDef I2Cx_WriteBuffer ( uint16_t  Addr,
uint8_t  Reg,
uint16_t  RegSize,
uint8_t *  pBuffer,
uint16_t  Length 
) [static]

Write a value in a register of the device through BUS.

Parameters:
Addr,:Device address on BUS Bus.
Reg,:The target register address to write
RegSize,:The target register size (can be 8BIT or 16BIT)
pBuffer,:The target register value to be written
Length,:buffer size to be written
Return values:
None

Definition at line 781 of file stm32l152d_eval.c.

References heval_I2c, I2Cx_Error(), and I2cxTimeout.

Referenced by EEPROM_I2C_IO_WriteData(), and TSENSOR_IO_Write().

static void I2Cx_WriteData ( uint16_t  Addr,
uint8_t  Reg,
uint8_t  Value 
) [static]

Write a value in a register of the device through BUS.

Parameters:
Addr,:Device address on BUS Bus.
Reg,:The target register address to write
Value,:The target register value to be written
Return values:
None

Definition at line 758 of file stm32l152d_eval.c.

References heval_I2c, I2Cx_Error(), and I2cxTimeout.

Referenced by AUDIO_IO_Write().

static void SPIx_Error ( void  ) [static]

SPI error treatment function.

Return values:
None

Definition at line 984 of file stm32l152d_eval.c.

References heval_Spi, and SPIx_Init().

Referenced by SPIx_Read(), and SPIx_Write().

static void SPIx_Init ( void  ) [static]

Initializes SPI HAL.

Return values:
None

Definition at line 911 of file stm32l152d_eval.c.

References EVAL_SPIx, heval_Spi, and SPIx_MspInit().

Referenced by EEPROM_SPI_IO_Init(), and SPIx_Error().

static uint32_t SPIx_Read ( void  ) [static]

SPI Read 4 bytes from device.

Return values:
Readdata

Definition at line 943 of file stm32l152d_eval.c.

References heval_Spi, SPIx_Error(), and SpixTimeout.

Referenced by EEPROM_SPI_IO_ReadByte(), EEPROM_SPI_IO_ReadData(), and EEPROM_SPI_IO_WaitEepromStandbyState().

static void SPIx_Write ( uint8_t  Value) [static]

SPI Write a byte to device.

Parameters:
Value,:value to be written
Return values:
None

Definition at line 966 of file stm32l152d_eval.c.

References heval_Spi, SPIx_Error(), and SpixTimeout.

Referenced by EEPROM_SPI_IO_ReadData(), EEPROM_SPI_IO_WaitEepromStandbyState(), EEPROM_SPI_IO_WriteByte(), and EEPROM_SPI_IO_WriteData().

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