📄 hpi.c.svn-base
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/****************************************************************************
文件名称：hpi.c
版本号： 1.0
日期： 2005-12-26
说明： 包含与5402DSP HPI通信相关的函数。
调用列表：--
修改历史：--
****************************************************************************/
#include "hpi.h"
#include "IHex5402.h"
#include "sys_UART.h"
/****************************************************************************
函数名称：HInit()
说明： S3C44B0X初始化5402HPIC寄存器
调用函数：无
输入参数：无
输出参数：无
****************************************************************************/
void HInit(void)
{
unsigned char test;
test = rHPICh;
test = rHPICl;
rHPICh = INIT_HPIC;
//rHPICl = INIT_HPIC;
}
/****************************************************************************
函数名称：HReadS(unsigned short address, unsigned short* date)
说明： 读取5402中指定地址的16-bit word数据
调用函数：无
输入参数：address：5402中的地址，date：指向返回数据的指针
输出参数：无
****************************************************************************/
void HReadS(unsigned short address, unsigned short* date)
{
rHPIAh = *(((unsigned char*)&address)+1);
rHPIAl = *((unsigned char*)&address);
*(((unsigned char*)date)+1) = rHPIDh;
*((unsigned char*)date) = rHPIDl;
}
/****************************************************************************
函数名称：void HWriteS(unsigned short address, unsigned short date)
说明： 把16-bit word 写到5402中指定地址
调用函数：无
输入参数：address：5402中的地址，date：要写入的数据
输出参数：无
****************************************************************************/
void HWriteS(unsigned short address, unsigned short date)
{
int i,j;
for(i=0;i<100;i++) //sdy060724
{
j = i;
}
rHPIAh = *(((unsigned char*)&address)+1);
rHPIAl = *((unsigned char*)&address);
for(i=0;i<100;i++) //sdy060724
{
j = i;
}
rHPIDh = *(((unsigned char*)(&date))+1);
rHPIDl = *((unsigned char*)(&date));
for(i=0;i<100;i++) //sdy060724
{
j = i;
}
}
/****************************************************************************
函数名称：void HReadC(unsigned short address, unsigned short* date, int len)
说明： 把连续的16-bit word 从5402中读到44b0当中
调用函数：无
输入参数：address：5402中的地址，date：指向读取buffer的指针，len：读取的长度
输出参数：无
****************************************************************************/
void HReadC(unsigned short address, unsigned short* date, int len)
{
int i;
rHPIAh = *(((unsigned char*)&address)+1);
rHPIAl = *((unsigned char*)&address);
for(i=0;i<len;i++)
{
*(((unsigned char*)(date+i))+1) = rCHPIDh;
*((unsigned char*)(date+i)) = rCHPIDl;
}
}
/****************************************************************************
函数名称：void HWriteC(unsigned short address,unsigned short* date, int len)
说明： 把连续的16-bit word 写到5402当中
调用函数：无
输入参数：address：5402中的地址，date：指向读取buffer的指针，len：写入的长度
输出参数：无
****************************************************************************/
void HWriteC(unsigned short address,unsigned short* date, int len)
{
int i;
address--;
rHPIAh = *(((unsigned char*)&address)+1);
rHPIAl = *((unsigned char*)&address);
for(i=0;i<len;i++)
{
rCHPIDh = *(((unsigned char*)(date+i))+1);
rCHPIDl = *((unsigned char*)(date+i));
}
}
/****************************************************************************
函数名称：
说明：
调用函数:
输入参数：无
输出参数：无
****************************************************************************/
unsigned char ASIC2Hex(char *asic) //asic[0]为高位，asic[1]为低位
{
unsigned char temp = 0;
int i;
for(i=0;i<2;i++)
{
switch(asic[i])
{
case (char)0x30:
temp = temp | 0x00;
break;
case (char)0x31:
temp = temp | 0x01;
break;
case (char)0x32:
temp = temp | 0x02;
break;
case (char)0x33:
temp = temp | 0x03;
break;
case (char)0x34:
temp = temp | 0x04;
break;
case (char)0x35:
temp = temp | 0x05;
break;
case (char)0x36:
temp = temp | 0x06;
break;
case (char)0x37:
temp = temp | 0x07;
break;
case (char)0x38:
temp = temp | 0x08;
break;
case (char)0x39:
temp = temp | 0x09;
break;
case (char)0x41:
temp = temp | 0x0a;
break;
case (char)0x42:
temp = temp | 0x0b;
break;
case (char)0x43:
temp = temp | 0x0c;
break;
case (char)0x44:
temp = temp | 0x0d;
break;
case (char)0x45:
temp = temp | 0x0e;
break;
case (char)0x46:
temp = temp | 0x0f;
break;
default:
break;
}
if(i==0)
temp = temp << 4;
}
return temp;
}
/****************************************************************************
函数名称：
说明：
调用函数: HWriteS();
HWriteC();
输入参数：无
输出参数：无
****************************************************************************/
/*void PartLoad(char *data)
{
char tem;
unsigned char type;
int i, m, LineP, LineS, LineLen;
unsigned short address;
i = 0;
while(1)
{
tem = data[i++];
if(tem == '\0') //sdy060717
break; //the file end
if(tem != ':')
break;
LineLen = (int)ASIC2Hex(data+i); //get the data length
i = i + 2;
*(((unsigned char*)&address)+1) = ASIC2Hex(data+i); //high part of the beginning address
i = i + 2;
*((unsigned char*)&address) = ASIC2Hex(data+i); //low part of the beginning address
i = i + 2;
address--; //decrease the address before continuous copy
rHPIAh = *(((unsigned char*)&address)+1);
rHPIAl = *((unsigned char*)&address);
type = ASIC2Hex(data+i); //the line type
i = i + 2;
if(type == 0x01) //sdy060717
break;
m = 0;
while(1) //copy the datas to 5402 //sdy060717
{
rCHPIDh = ASIC2Hex(data+i);
i = i + 2;
m = m+1;
if(m>=LineLen)
break;
rCHPIDl = ASIC2Hex(data+i);
i = i + 2;
m = m+1;
if(m>=LineLen)
break;
}
if(m%2==1)
{
rCHPIDl = 0x00;
}
i = i+2; //skip over the CRC byte
}
}*/
/****************************************************************************
函数名称：
说明：
调用函数: HWriteS();
HWriteC();
输入参数：无
输出参数：无
****************************************************************************/
//sdy060724
void PartLoad(char *data)
{
char tem;
unsigned char type;
int i, m, LineP, LineS, LineLen;
unsigned short address, content,test_con;
i = 0;
while(1)
{
tem = data[i++];
if(tem == '\0') //sdy060717
break; //the file end
if(tem != ':')
break;
LineLen = (int)ASIC2Hex(data+i); //get the data length
i = i + 2;
*(((unsigned char*)&address)+1) = ASIC2Hex(data+i); //high part of the beginning address
i = i + 2;
*((unsigned char*)&address) = ASIC2Hex(data+i); //low part of the beginning address
i = i + 2;
type = ASIC2Hex(data+i); //the line type
i = i + 2;
if(type == 0x01) //sdy060717
break;
LineLen = LineLen>>1;
for(m=0;m<LineLen;m++) //copy the datas to 5402 //sdy060717
{
*(((unsigned char*)&content)+1) = ASIC2Hex(data+i); //high part of the beginning address
i = i + 2;
*((unsigned char*)&content) = ASIC2Hex(data+i); //low part of the beginning address
i = i + 2;
REWITE:
HWriteS(address, content);
HReadS(address,&test_con);
if(test_con != content)
{
#if UART_DEBUG == 1
UART_Printf("5402 Hpi writing error.\n");
#endif
goto REWITE;
}
address++;
}
i = i+2; //skip over the CRC byte
}
}
/****************************************************************************
函数名称：void HBootLoad()
说明： 通过HPI接口对5402进行bootload
调用函数: PartLoad()
输入参数：无
输出参数：无
****************************************************************************/
void HBootLoad(void)
{
//PartLoad(D_data); //load the data part
PartLoad(P_data); //load the program part
HWriteS(0x007f, Begin_Ad); //make the 5402 run
}
/****************************************************************************
函数名称：void Hint(void)
说明：
调用函数:
输入参数：无
输出参数：无
****************************************************************************/
void Hint(void)
{
rHPICh = INT_HPIC;
//rHPICl = INT_HPIC;
}
/****************************************************************************
函数名称：void Hint(void)
说明：
调用函数:
输入参数：无
输出参数：无
****************************************************************************/
void HintClear(void)
{
rHPICh = INT_CLEAR_HPIC;
//rHPICl = INT_CLEAR_HPIC;
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