windows-nt/Source/XPSP1/NT/drivers/serial/ser71051/twrcntl.c
2020-09-26 16:20:57 +08:00

305 lines
7.3 KiB
C

#include <windows.h>
#include <stdio.h>
//#define COM_DEB 1
#define NUM 20
#define SETTINGS1 "COM3",9600,8,NOPARITY,ONESTOPBIT
#define SETTINGS15 "COM3",9600,5,NOPARITY,ONE5STOPBITS
#define SETTINGS2 "COM3",4800,8,NOPARITY,ONESTOPBIT
#define SETTINGS3 "COM3",2400,8,NOPARITY,ONESTOPBIT
#define SETTINGS4 "COM3",300,8,NOPARITY,ONESTOPBIT
BOOL DoComIo(LPSTR lpCom,DWORD Baud,BYTE Size,BYTE Parity,BYTE Stop);
DWORD main(int argc, char *argv[], char *envp[])
{
BOOL bRc;
UNREFERENCED_PARAMETER(argc);
UNREFERENCED_PARAMETER(argv);
UNREFERENCED_PARAMETER(envp);
printf("\n\n *** Doing COM TEST with [port=%s Baud=%d,Size=%d,Parity=%d,Stop=%d]***\n\n",
SETTINGS1);
bRc = DoComIo(SETTINGS1);
if (!bRc) {
printf("\n\nCOM TEST FAILED********************************\n\n");
}
return 0;
}
BOOL DoComIo(LPSTR lpCom,DWORD Baud,BYTE Size,BYTE Parity,BYTE Stop)
{
CHAR WrBuffer[NUM];
CHAR RdBuffer[NUM+5];
DWORD i;
HANDLE hCommPort;
DCB dcb;
BOOL bRc;
DWORD dwNumWritten,dwNumRead,dwErrors;
COMSTAT ComStat;
printf("\n\n *** COMM TEST START [port=%s,Baud=%d,Size=%d,Parity=%d,Stop=%d]***\n\n",
lpCom,Baud,Size,Parity,Stop);
printf("Opening the comm port for read write\n");
hCommPort = CreateFile(
lpCom,
GENERIC_READ|GENERIC_WRITE,
0, // exclusive
NULL, // sec attr
OPEN_EXISTING,
0, // no attributes
NULL); // no template
if (hCommPort == (HANDLE)-1)
{
printf("FAIL: OpenComm failed rc: %lx\n",hCommPort);
return FALSE;
}
printf("Opening the comm port for read write: SUCCESS hCommPort=%lx\n",hCommPort);
printf("Setting the line characteristics on comm \n");
//printf("doing getcommstate for priming the dcb with defaults\n");
//bRc = GetCommState(hCommPort,&dcb);
if (!bRc)
{
printf("FAIL: getcommstate failed\n");
return FALSE;
}
// toggle rts dtr when xonlim xofflim reached
// fdtrcontrol frtscontrol
// send xoff when xofflim reached and send xon when xonlim reached
// fInX
// xonlim xonlim xonchar xoffchar
dcb.DCBlength = sizeof(DCB);
// dcb.DCBversion = 0x0002; BUG BUG in spec not in header
dcb.BaudRate = Baud;
dcb.ByteSize = Size;
dcb.Parity = Parity;
dcb.StopBits = Stop;
dcb.fBinary = 1; // binary data xmit
dcb.fParity = 0; // dont bother about parity
dcb.fOutxCtsFlow= 0; // no cts flow control
dcb.fOutxDsrFlow= 0; // no dsr flow control
dcb.fDtrControl = DTR_CONTROL_HANDSHAKE; // dont bother about dtr
dcb.fRtsControl = RTS_CONTROL_HANDSHAKE; // dont bother about dtr
dcb.fOutX =1; // disable xoff handling
dcb.fInX =1; // disable xon handling
dcb.fErrorChar = 0; // forget about parity char
dcb.fNull = 0; // forget about the null striping
dcb.XonChar = '#';
dcb.XonLim = 1;
dcb.XoffChar = '*';
dcb.XoffLim = 4090;
dcb.ErrorChar = '*';
dcb.EofChar = 0x00;
dcb.EvtChar = 'x';
//dcb.TxDelay = 100000; // 100sec
bRc = SetCommState(hCommPort,&dcb);
if (!bRc)
{
printf("FAIL: cannot set the comm state rc:%lx\n",bRc);
bRc = CloseHandle(hCommPort);
if (!bRc)
{
printf("FAIL: cannot close the comm port:%lx\n",bRc);
}
return FALSE;
}
printf("Setting the line characteristics on comm: SUCCESS\n");
printf("Filling the buffer with the known chars \n");
for (i=0; i< NUM; i++)
{
WrBuffer[i] = 'a';
//WrBuffer[i] = (CHAR)i;
}
printf("Filling the buffer with the known chars : SUCCESS\n");
printf("Dumping the buffer before sending it to comm\n");
for (i=0; i< 6; i++)
{
printf("%c",WrBuffer[i]);
//printf(" %d ",WrBuffer[i]);
}
printf("\nDumping the buffer before sending it to comm SUCCESS\n");
printf("Filling the Rdbuffer with the known chars (0xFF) to makeit dirty\n");
for (i=0; i< NUM+2; i++)
{
RdBuffer[i] = 'z';
}
printf("Filling the Rdbuffer with the known chars (0xFF/z): SUCCESS\n");
printf("Writting this buffer to the comm port\n");
bRc = WriteFile( hCommPort,
WrBuffer,
6,
&dwNumWritten,
NULL);
if (!bRc)
{
printf("FAIL: cannot Write To the comm port:%lx\n",bRc);
bRc = CloseHandle(hCommPort);
if (!bRc)
{
printf("FAIL: cannot close the comm port:%lx\n",bRc);
}
return FALSE;
}
printf("Writting this buffer to the comm port: SUCCESS rc:%lx, byteswritten:%lx\n",
bRc,dwNumWritten);
printf("Reading this buffer from the comm port\n");
bRc = FlushFileBuffers(hCommPort);
printf("flush file buffers (%lx) rc = %lx\n",hCommPort,bRc);
bRc = ClearCommError(hCommPort,&dwErrors,&ComStat);
printf("ClearCommError: rc= %lx and dwErrors=%lx\n",bRc,dwErrors);
printf("Comstat.fXoffSent = %lx\n",(DWORD)(ComStat.fXoffSent));
printf("Comstat.fXoffHold = %lx\n",(DWORD)(ComStat.fXoffHold));
printf("reading the first num chars\n");
bRc = ReadFile( hCommPort,
RdBuffer,
6,
&dwNumRead,
NULL);
if (!bRc)
{
printf("FAIL: cannot Read From the comm port:%lx\n",bRc);
bRc = CloseHandle(hCommPort);
if (!bRc)
{
printf("FAIL: cannot close the comm port:%lx\n",bRc);
}
return FALSE;
}
printf("Reading this buffer from the comm port: SUCCESS rc:%lx, bytesread:%lx\n",
bRc,dwNumRead);
printf("Dumping the Rdbuffer with the comm data\n");
for (i=0; i< 6; i++)
{
printf("%c ",RdBuffer[i]);
//printf(" %d ",RdBuffer[i]);
}
printf("\nDumping the Rdbuffer with the comm data: SUCCESS\n");
for (i=0; i< 6; i++)
{
if (RdBuffer[i] != WrBuffer[i])
{
printf("FAIL: BufferMisMatch: RdBuffer[%d]=%lx,WrBuffer[%d]=%lx\n",
i,RdBuffer[i],i,WrBuffer[i]);
bRc = CloseHandle(hCommPort);
if (!bRc)
{
printf("FAIL: cannot close the comm port:%lx\n",bRc);
}
return FALSE;
}
}
printf("Comparing the rd and wr buffers: SUCCESS\n");
bRc = FlushFileBuffers(hCommPort);
printf("flush file buffers (%lx,0) rc = %lx\n",hCommPort,bRc);
bRc = ClearCommError(hCommPort,&dwErrors,&ComStat);
printf("ClearCommError: rc= %lx and dwErrors=%lx\n",bRc,dwErrors);
printf("Comstat.fXoffSent = %lx\n",(DWORD)(ComStat.fXoffSent));
printf("Comstat.fXoffHold = %lx\n",(DWORD)(ComStat.fXoffHold));
bRc = PurgeComm(hCommPort,0);
printf("PurgeComm BUG (%lx,0) rc = %lx\n",hCommPort,bRc);
bRc = PurgeComm(hCommPort,PURGE_TXCLEAR);
printf("PurgeComm txclear (%lx) rc = %lx\n",hCommPort,bRc);
bRc = PurgeComm(hCommPort,PURGE_RXCLEAR);
printf("PurgeComm rxclear (%lx) rc = %lx\n",hCommPort,bRc);
bRc = PurgeComm(hCommPort,PURGE_RXABORT);
printf("PurgeComm rxabort (%lx) rc = %lx\n",hCommPort,bRc);
bRc = PurgeComm(hCommPort,PURGE_TXABORT);
printf("PurgeComm txabort (%lx) rc = %lx\n",hCommPort,bRc);
printf("Closing the comm port\n");
bRc = CloseHandle(hCommPort);
if (!bRc)
{
printf("FAIL: cannot close the comm port:%lx\n",bRc);
return FALSE;
}
printf("\n\n*** COMM TEST OVER*** \n\n");
}