hpi.h.svn-base

lwip协议在arm7+uCos系统上的移植

/****************************************************************************
  文件名称：hpi.h
  版本号：	1.0
  日期：	2005-12-26
  说明：	hpi.c的头文件，包含与5402DSP HPI通信相关的函数的声明。
  调用列表：--
  修改历史：--
****************************************************************************/

#ifndef __HPI_H__
#define __HPI_H__

#define INIT_HPIC	0x08		//the initial value of the HPIC, clear the HINT through setting 1 to HINT bit
#define INT_HPIC		0x04
#define INT_CLEAR_HPIC	0x08

#define rHPICh		(*(volatile unsigned char *)0x02000000)		//the high byte of the HPIC register on 5402
#define rHPICl		(*(volatile unsigned char *)0x02000001)		//the low byte of the HPIC register on 5402
#define rCHPIDh		(*(volatile unsigned char *)0x02000002)		//the high byte of the HPID register on 5402 in auto change mode
#define rCHPIDl		(*(volatile unsigned char *)0x02000003)		//the low byte of the HPID register on 5402 in auto change mode
#define rHPIAh		(*(volatile unsigned char *)0x02000004)		//the high byte of the HPIA register on 5402
#define rHPIAl		(*(volatile unsigned char *)0x02000005)		//the low byte of the HPIC register on 5402
#define rHPIDh		(*(volatile unsigned char *)0x02000006)		//the high byte of the HPID register on 5402 in no change mode
#define rHPIDl		(*(volatile unsigned char *)0x02000007)		//the low byte of the HPID register on 5402 in no change mode


void HInit(void);		//Initialize the HPI port

void HReadS(unsigned short address, unsigned short* date);		//read a 16-bit word from 5402
void HWriteS(unsigned short address, unsigned short date);		//write a 16-bit word to 5402

void HReadC(unsigned short address, unsigned short* date, int len);		//read a len length seriate 16-bit words from 5402
void HWriteC(unsigned short address,unsigned short* date, int len);		//write a len length seriate 16-bit words to 5402 
void HBootLoad(void);		//bootload 5402 through HPI port

void Hint(void);	//interrupt the 5402 sdy060629
void HintClear(void);	//clear interrupt from 5402 sdy060629


#endif //__HPI_H__