Contec SPI-Q6700-LLVA, User Manual

Page: 83 / 85

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Appendix
// break;
}
}
if ( i > 3499 )
{
temp=inportb(0x68);
return 0xFFFFFFFF;
}
return 0xFFFFFFFF;
}
//----------------------------------------------------------------------------
unsigned long ECU_Read_686C_RAM_BYTE( unsigned long ECUMe-
mAddr )
{
unsigned long uDATA1,uDATA2,ECRamAddrH,ECRamAddrL;
ECRamAddrL=ECUMemAddr%256; ECRamAddrH=ECUMemAddr/256;
//
uDATA1=Process_686C_Command_Write(0x000000A3, ECRamAddrH );
if ( uDATA1==0xFFFFFFFF ) { return 0xFFFFFFFF; }
//
uDATA1=Process_686C_Command_Write(0x000000A2, ECRamAddrL );
if ( uDATA1==0xFFFFFFFF ) { return 0xFFFFFFFF; }
//
uDATA1=Process_686C_Command_Read( 0x000000A4 );
if ( uDATA1 > 0x000000FF ) { return 0xFFFFFFFF; }
uDATA2=Process_686C_Command_Read( 0x000000A4 );
if ( uDATA2 > 0x000000FF ) { return 0xFFFFFFFF; }
if (uDATA1==uDATA2) return uDATA1;
else return 0xFFFFFFFF;
}
//----------------------------------------------------------------------------
unsigned long ECU_Write_686C_RAM_BYTE( unsigned long
ECUMemAddr,unsigned long ECUMemData )
{
unsigned long uDATA, RD_DATA, ECRamAddrH, ECRamAddrL;
ECRamAddrL=ECUMemAddr%256; ECRamAddrH=ECUMemAddr/256;
//
uDATA=Process_686C_Command_Write(0x000000A3, ECRamAddrH );
if ( uDATA==0xFFFFFFFF ) { return 0xFFFFFFFF;}