spi.h File Reference

: This file provides code for the configuration of the SPI instances. More...

#include "main.h"

Go to the source code of this file.

Functions
void	MX_SPI1_Init (void)
uint16_t	S2LPSpiWriteRegisters (uint8_t address, uint8_t n_bytes, uint8_t *buffer)
	SPI function to write registers of a slave device. More...
uint16_t	S2LPSpiReadRegisters (uint8_t RegisterAddr, uint8_t NumByteToRead, uint8_t *pBuffer)
	SPI function to read registers from a slave device. More...
void	S2LPSetSpiInUse (uint8_t state)
	Set the S2LP in use flag. More...
uint8_t	S2LPGetSpiInUse (void)
	Get the S2LP in use flag. More...
uint16_t	S2LPSpiCommandStrobes (uint8_t command)
uint16_t	S2LPSpiReadFifo (uint8_t n_bytes, uint8_t *buffer)
uint16_t	S2LPSpiWriteFifo (uint8_t n_bytes, uint8_t *buffer)

Variables
SPI_HandleTypeDef	hspi1

Detailed Description

: This file provides code for the configuration of the SPI instances.

Attention

© Copyright (c) 2019 STMicroelectronics. All rights reserved.

This software component is licensed by ST under BSD 3-Clause license, the "License"; You may not use this file except in compliance with the License. You may obtain a copy of the License at: opensource.org/licenses/BSD-3-Clause

Function Documentation

S2LPGetSpiInUse()

uint8_t S2LPGetSpiInUse

(

void

)

Get the S2LP in use flag.

---

Parameters

[in]	none
[out]	none

Return values

spi_in_use

1 if in use, else 0

S2LPSetSpiInUse()

void S2LPSetSpiInUse

(

uint8_t

state

)

Set the S2LP in use flag.

---

Parameters

[in]	state	1 if in use, else 0
[out]	none

Return values

none

S2LPSpiReadRegisters()

uint16_t S2LPSpiReadRegisters	(	uint8_t	RegisterAddr,
		uint8_t	NumByteToRead,
		uint8_t *	pBuffer
	)

SPI function to read registers from a slave device.

Parameters

RegisterAddr	register address
NumByteToRead	number of byte to read
pBuffer	buffer to retrieve data from a slave

Return values

ErrorStatus

error status ErrorStatus This parameter can be: SUCCESS or ERROR.

S2LPSpiWriteRegisters()

uint16_t S2LPSpiWriteRegisters	(	uint8_t	address,
		uint8_t	n_bytes,
		uint8_t *	buffer
	)

SPI function to write registers of a slave device.

Parameters

RegisterAddr	register address
NumByteToRead	number of byte to write
pBuffer	buffer contains data to write

Return values

ErrorStatus

error status ErrorStatus This parameter can be: SUCCESS or ERROR.