spi.h

来自「在LPC2132的ARM处理器上」· C头文件 代码 · 共 54 行

/*************************************************************************/
/*																															*/
/*			    spi.h			         					     		*/
/*																															*/
/*		     spi系统接口函数接口头文件						         	*/
/*																															*/
/*************************************************************************/
#ifndef	__SPI_h__
#define	__SPI_h__
						
/*
****************************************************************************
*                          BASE OPERATION 
****************************************************************************
*/
#define  	RBR0 			0
#define  	THR0 			0
#define  	IER0 			1
#define  	IIR0 			2
#define  	FCR0 			2
#define  	LCR0 			3
#define  	MCR0 			4
#define 	LSR0 			5
#define  	MSR0 			6
#define  	SCR0 			7
#define 	DLL0 			0
#define  	DLM0 			1
#define  	RBR1 			8
#define  	THR1 			8
#define  	IER1 			9
#define  	IIR1 			10
#define  	FCR1 			10
#define  	LCR1 			11
#define  	MCR1 			12
#define  	LSR1 			13
#define  	MSR1 			14
#define  	SCR1 			15
#define  	DLL1 			8
#define  	DLM1 			9

#define		UARTCS			(1 << 25)	 //P1.25为CH432T片选管脚
#define		SAVECS			(1 << 29)	 //P0.29为AT45DB021片选管脚
#define		AT45_RESET		(1 << 28)	 //P0.28为AT45DB021复位管脚
#define		CHECK_OUTPUT	(1 << 22)	 //P0.22为底板方波输出管脚
#define		CHECK_OUTPUT1	(1 << 25)	 //P0.25为底板方波输出管脚

uint8 	SPI0Init(uint8 Fdiv);
uint8 	SPI1Init(uint8 Fdiv);
void	CH432T_SPI_Write(uint8 addr, uint8 data);
uint8	CH432T_SPI_Read(uint8 addr);
uint8   SPIRW(uint8 *Rt, uint8 Data);

/*************************************************************************/
#endif