spi.c File Reference

M4521 SPI driver source file. More...

#include "M4521.h"

Include dependency graph for spi.c:

Go to the source code of this file.

Functions
uint32_t	SPI_Open (SPI_T *spi, uint32_t u32MasterSlave, uint32_t u32SPIMode, uint32_t u32DataWidth, uint32_t u32BusClock)
	This function make SPI module be ready to transfer. More...
void	SPI_Close (SPI_T *spi)
	Disable SPI controller. More...
void	SPI_ClearRxFIFO (SPI_T *spi)
	Clear RX FIFO buffer. More...
void	SPI_ClearTxFIFO (SPI_T *spi)
	Clear TX FIFO buffer. More...
void	SPI_DisableAutoSS (SPI_T *spi)
	Disable the automatic slave selection function. More...
void	SPI_EnableAutoSS (SPI_T *spi, uint32_t u32SSPinMask, uint32_t u32ActiveLevel)
	Enable the automatic slave selection function. More...
uint32_t	SPI_SetBusClock (SPI_T *spi, uint32_t u32BusClock)
	Set the SPI bus clock. More...
void	SPI_SetFIFO (SPI_T *spi, uint32_t u32TxThreshold, uint32_t u32RxThreshold)
	Configure FIFO threshold setting. More...
uint32_t	SPI_GetBusClock (SPI_T *spi)
	Get the actual frequency of SPI bus clock. Only available in Master mode. More...
void	SPI_EnableInt (SPI_T *spi, uint32_t u32Mask)
	Enable interrupt function. More...
void	SPI_DisableInt (SPI_T *spi, uint32_t u32Mask)
	Disable interrupt function. More...
uint32_t	SPI_GetIntFlag (SPI_T *spi, uint32_t u32Mask)
	Get interrupt flag. More...
void	SPI_ClearIntFlag (SPI_T *spi, uint32_t u32Mask)
	Clear interrupt flag. More...
uint32_t	SPI_GetStatus (SPI_T *spi, uint32_t u32Mask)
	Get SPI status. More...
static uint32_t	I2S_GetSourceClockFreq (SPI_T *i2s)
	This function is used to get I2S source clock frequency. More...
uint32_t	I2S_Open (SPI_T *i2s, uint32_t u32MasterSlave, uint32_t u32SampleRate, uint32_t u32WordWidth, uint32_t u32Channels, uint32_t u32DataFormat)
	This function configures some parameters of I2S interface for general purpose use. More...
void	I2S_Close (SPI_T *i2s)
	Disable I2S function. More...
void	I2S_EnableInt (SPI_T *i2s, uint32_t u32Mask)
	Enable interrupt function. More...
void	I2S_DisableInt (SPI_T *i2s, uint32_t u32Mask)
	Disable interrupt function. More...
uint32_t	I2S_EnableMCLK (SPI_T *i2s, uint32_t u32BusClock)
	Enable master clock (MCLK). More...
void	I2S_DisableMCLK (SPI_T *i2s)
	Disable master clock (MCLK). More...
void	I2S_SetFIFO (SPI_T *i2s, uint32_t u32TxThreshold, uint32_t u32RxThreshold)
	Configure FIFO threshold setting. More...

Detailed Description

M4521 SPI driver source file.

Version

V3.00

Revision

11

Date

15/08/11 10:26a

Note

SPDX-License-Identifier: Apache-2.0 Copyright (C) 2022 Nuvoton Technology Corp. All rights reserved.

Definition in file spi.c.