i2s.h

在S3C44B0X ARM处理器上用C语言实现的IIS接口驱动程序

#ifndef __I2S_H__
#define __I2S_H__

#define PCONA		(*(volatile unsigned long *)0x01D20000)
#define PDATA		(*(volatile unsigned long *)0x01D20004)
#define PCONB		(*(volatile unsigned long *)0x01D20008)
#define PDATB		(*(volatile unsigned long *)0x01D2000C)
#define PCONC		(*(volatile unsigned long *)0x01D20010)
#define PDATC		(*(volatile unsigned long *)0x01D20014)
#define PUPC		(*(volatile unsigned long *)0x01D20018)

	//S3C44B0X的PB4与L3MODE(低电平有效)连接
//	#define  clrL3M    		(*(volatile unsigned char *)0x01D2000C) &= 0xEF			//PB4(L3M)置低
//	#define  setL3M    		(*(volatile unsigned char *)0x01D2000C) |= 0x10			//PB4(L3M)置高
	#define  clrL3M    		PDATB &= 0xFFFFFFEF			//PB4(L3M)置低
	#define  setL3M    		PDATB |= 0x00000010			//PB4(L3M)置高

	//S3C44B0X的PB5与L3CLK连接
//	#define  clrL3C 		(*(volatile unsigned char *)0x01D2000C) &= 0xDF			//PB5(L3C)置低
//	#define  setL3C 		(*(volatile unsigned char *)0x01D2000C) |= 0x20			//PB5(L3C)置高
	#define  clrL3C 		PDATB &= 0xFFFFFFDF			//PB5(L3C)置低
	#define  setL3C 		PDATB |= 0x00000020			//PB5(L3C)置高

	//S3C44B0X的PA9与L3DATA连接
	#define  clrL3D 		PDATA &= 0xFFFFFDFF			//PA9(L3D)置低
	#define  setL3D	 		PDATA |= 0x00000200			//PA9(L3D)置高

#define IISCON		(*(volatile unsigned long *)0x01D18000)
#define IISMOD		(*(volatile unsigned long *)0x01D18004)
#define IISPSR		(*(volatile unsigned long *)0x01D18008)
#define IISFIFCON	(*(volatile unsigned long *)0x01D1800C)
#define IISFIF		(*(volatile unsigned long *)0x01D18010)
#define pIISFIF  	0x01D18010

void i2s_init(void);
void UDA1341_init(void);
void i2s_chn(void);

#endif