Silicon Laboratories SI2493/57/34/15/04 - Manual (Page 265)

AN93
Rev. 1.3 265
AssertRTS(true); //RTS=1 for transmitting
Delay(300); //Delay to allow the line to turn around
// Alternatively use USE CTS
iLength = strlen(caUA_PKT_STR);
WriteFile(hCom, caUA_PKT_STR, iLength, &ulNoOfbytes, 0); // Tx UA messge
Delay(100);
while(1) // Short training happens now!
{
AssertRTS(false); printf("RTS=0 Rx "); //RTS=0 for receiving
cpInputRd=WaitForResponse(caRX_PKT_STR,cpInputRd,3000);//Rx RR message
iLength = strlen(cpInput_test);
for (int i=0; i<iLength; i++)
printf("%02x ", (unsigned char)cpInput_test[i]);printf("**%d ", *cpInputRd);
//Alternatively use CTS
Delay(150);
do{ // flush out the bytes for last RX packets.
BOOL bError = !ReadFile(hCom, cpInputWr, 1, &ulNoOfbytes, 0); //ulNoOfbytes=1
printf("%02x ", (unsigned char)cpInputWr[0]);
}while (ulNoOfbytes); printf("\n");
AssertRTS(true); printf("RTS=1 Tx "); //RTS=1 for transmitting
Delay(50); // morrie 01/20/06
iLength = strlen(caRR_PKT_STR);
for (i=0; i<iLength; i++)printf("%02x ", (unsigned char)caRR_PKT_STR[i]); printf("\n");
WriteFile(hCom, caRR_PKT_STR, iLength, &ulNoOfbytes,0); //Tx RR message
Delay(100); //Delay x ms to complete TX sending before set RTS=0 for RX
}
return;
}
// -------------------------------------------------------------------------------------
// Use this call to check CTS status
// DWORD iEVentMAsk; // wait for EV_CTS
// BOOL WaitCommEvent(HANDLE hFile, &iEVentMAsk, LPOVERLAPPED lpOverlapped);
// ----------------------------------------------------------------
void SetupSerPort()
{
BOOL bSuccess;
hCom = CreateFile(pcCommPort, GENERIC_READ | GENERIC_WRITE, 0,
NULL, OPEN_EXISTING, 0, NULL);
if (hCom == INVALID_HANDLE_VALUE)
{ // Handle the error.
printf ("CreateFile failed with error %d.\n", GetLastError());
exit(1);