//--------------------------------------------------------------------------
// Read an array of bytes to the COM port, verify that it was
// sent out. Assume that baud rate has been set.
//
// 'portnum' - number 0 to MAX_PORTNUM-1. This number was provided to
// OpenCOM to indicate the port number.
// 'inlen' - number of bytes to read from COM port
// 'inbuf' - pointer to a buffer to hold the incomming bytes
//
// Returns: number of characters read
//
int ReadCOM(int portnum, int inlen, uchar *inbuf)
{
volatile int i = 0;
volatile uchar cnt = 5;
volatile uchar quit = FALSE;
if(portnum==0)
{
for(; !quit && i<inlen; cnt=5)
{
while( !serial0_peek() && (cnt--)>0 )
msDelay(10);
if(!serial0_peek())
quit = TRUE;
else
inbuf[i++] = serial0_getchar();
}
}
else
{
for(; !quit && i<inlen; cnt=5)
{
while( !serial1_peek() && (cnt--)>0 )
msDelay(10);
if(!serial1_peek())
quit = TRUE;
else
inbuf[i++] = serial1_getchar();
}
}
return i;
}
//--------------------------------------------------------------------------
// Read an array of bytes to the COM port, verify that it was
// sent out. Assume that baud rate has been set.
//
// 'portnum' - number 0 to MAX_PORTNUM-1. This number was provided to
// OpenCOM to indicate the port number.
// 'inlen' - number of bytes to read from COM port
// 'inbuf' - pointer to a buffer to hold the incomming bytes
//
// Returns: number of characters read
//
int ReadCOM(int portnum, int inlen, uchar *inbuf)
{
int i = 0;
uchar cnt = 5; //50ms timeout
uchar quit = FALSE;
switch (port_handle[portnum])
{
case DS400_SERIAL0:
for(; !quit && i<inlen; cnt=5)
{
while( !serial0_peek() && (cnt--)>0 )
msDelay(10);
if(!serial0_peek())
quit = TRUE;
else
inbuf[i++] = serial0_getchar();
}
break;
case DS400_SERIAL1:
for(; !quit && i<inlen; cnt=5)
{
while( !serial1_peek() && (cnt--)>0 )
msDelay(10);
if(!serial1_peek())
quit = TRUE;
else
inbuf[i++] = serial1_getchar();
}
break;
case DS400_SERIAL2:
for(; !quit && i<inlen; cnt=5)
{
while( !serial2_peek() && (cnt--)>0 )
msDelay(10);
if(!serial2_peek())
quit = TRUE;
else
inbuf[i++] = serial2_getchar();
}
break;
}
return i;
}