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456 lines
11 KiB
456 lines
11 KiB
#include <windows.h>
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#include <stdio.h>
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//#define COM_DEB 1
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#define NUM 1024
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//128
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#define print printf
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#define THPRINTF fprintf
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#define L_DEBUG stderr
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#ifdef RUN_ON_MIPS
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#define COM "COM2"
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#else
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#define COM "COM1"
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#endif
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#define SETTINGS1 lpFilename,9600,8,NOPARITY,ONESTOPBIT
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#define SETTINGS15 lpFilename,9600,5,NOPARITY,ONE5STOPBITS
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#define SETTINGS2 lpFilename,4800,8,NOPARITY,ONESTOPBIT
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#define SETTINGS3 lpFilename,2400,8,NOPARITY,ONESTOPBIT
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#define SETTINGS4 lpFilename,300,8,NOPARITY,ONESTOPBIT
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CHAR lpFilename[100];
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DWORD dwPacketSize,dwLoop;
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BOOL DoComIo(LPSTR lpCom,DWORD Baud,BYTE Size,BYTE Parity,BYTE Stop);
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DWORD main(int argc, char *argv[], char *envp[])
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{
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BOOL bRc;
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CHAR chDummy;
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BOOL bFile,bPkt,bLoop;
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DWORD dwSize,dwSizeHigh,i,j,dwError;
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HANDLE hFile,hMOFile;
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LPVOID lpBaseAddress;
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LPBYTE lpByte;
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BYTE Byte = 0x00;
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UNREFERENCED_PARAMETER(envp);
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bFile = bPkt = bLoop = FALSE;
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while(argc--)
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{
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switch(argv[argc][1])
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{
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case 'f' :
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case 'F' : {
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if (argv[argc][0] != '-') break;
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THPRINTF(L_DEBUG,"comport name option=%s\n\n",argv[argc]);
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sscanf(argv[argc],"%c %c %s",&chDummy,&chDummy,lpFilename);
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THPRINTF(L_DEBUG,"com port name =%s\n\n",lpFilename);
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bFile = TRUE;
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break;
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}
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case 'p' :
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case 'P' : {
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if (argv[argc][0] != '-') break;
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THPRINTF(L_DEBUG,"comport packet size =%s\n\n",argv[argc]);
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sscanf(argv[argc],"%c %c %d",&chDummy,&chDummy,&dwPacketSize);
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THPRINTF(L_DEBUG,"com xfer packet size =%d\n\n",dwPacketSize);
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bPkt = TRUE;
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break;
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}
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case 'l' :
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case 'L' : {
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if (argv[argc][0] != '-') break;
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THPRINTF(L_DEBUG,"comport packet xfer loopcnt =%s\n\n",argv[argc]);
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sscanf(argv[argc],"%c %c %d",&chDummy,&chDummy,&dwLoop);
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THPRINTF(L_DEBUG,"com xfer loop cnt =%d\n\n",dwLoop);
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bLoop = TRUE;
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break;
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}
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default: {
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break;
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}
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}
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}
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if (!bFile || !bPkt || !bLoop)
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{
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THPRINTF(L_DEBUG,"\n\nOptions are required!!\n\n");
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THPRINTF(L_DEBUG,"comtst <required options>\n\n");
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THPRINTF(L_DEBUG,"options: -f<com port name>\n\n");
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THPRINTF(L_DEBUG,"options: -p<com xfer pkt size>\n\n");
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THPRINTF(L_DEBUG,"options: -l<xfer loop cnt>\n\n");
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return (1);
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}
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THPRINTF(L_DEBUG,"Doing comtst with com port name=[%s]\n",
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lpFilename);
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print("\n\n *** Doing COM TEST with [port=%s Baud=%d,Size=%d,Parity=%d,Stop=%d]***\n\n",
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SETTINGS1);
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bRc = DoComIo(SETTINGS1);
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if (!bRc) {
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print("\n\nCOM TEST FAILED********************************\n\n");
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}
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return 0;
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}
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BOOL DoComIo(LPSTR lpCom,DWORD Baud,BYTE Size,BYTE Parity,BYTE Stop)
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{
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COMMTIMEOUTS CommTimeOuts;
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CHAR WrBuffer[4096];
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CHAR RdBuffer[4096];
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DWORD i,l;
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HANDLE hCommPort;
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DCB dcb;
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BOOL bRc;
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BYTE Byte;
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DWORD dwNumWritten,dwNumRead,dwErrors;
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print("\n\n *** COMM TEST START [port=%s,Baud=%d,Size=%d,Parity=%d,Stop=%d]***\n\n",
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lpCom,Baud,Size,Parity,Stop);
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print("Opening the comm port for read write\n");
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hCommPort = CreateFile(
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lpCom,
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GENERIC_READ|GENERIC_WRITE,
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0, // exclusive
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NULL, // sec attr
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OPEN_EXISTING,
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0, // no attributes
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NULL); // no template
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if (hCommPort == (HANDLE)-1)
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{
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print("FAIL: OpenComm failed rc: %lx\n",hCommPort);
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return FALSE;
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}
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print("Opening the comm port for read write: SUCCESS hCommPort=%lx\n",hCommPort);
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print("Setting the line characteristics on comm \n");
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//printf("doing getcommstate for priming the dcb with defaults\n");
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bRc = GetCommState(hCommPort,&dcb);
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if (!bRc)
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{
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printf("FAIL: getcommstate failed\n");
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return FALSE;
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}
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dcb.DCBlength = sizeof(DCB);
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// dcb.DCBversion = 0x0002; BUG BUG in spec not in header
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dcb.BaudRate = Baud;
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dcb.ByteSize = Size;
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dcb.Parity = Parity;
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dcb.StopBits = Stop;
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//dcb.RlsTimeout = 10000; 10sec
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//dcb.CtsTimeout = 10000; 10sec
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//dcb.DsrTimeout = 10000; 10sec
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dcb.fBinary = 1; // binary data xmit
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dcb.fParity = 0; // dont bother about parity
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dcb.fOutxCtsFlow= 0; // no cts flow control
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dcb.fOutxDsrFlow= 0; // no dsr flow control
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dcb.fDtrControl = DTR_CONTROL_DISABLE; // dont bother about dtr
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dcb.fRtsControl = RTS_CONTROL_DISABLE; // dont bother about dtr
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dcb.fOutX =0; // disable xoff handling
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dcb.fInX =0; // disable xon handling
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dcb.fErrorChar = FALSE; // forget about parity char
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dcb.ErrorChar = '*';
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dcb.fNull = 0; // forget about the null striping
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dcb.XonChar = 0x0;
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dcb.XonLim = 0x0;
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dcb.XoffChar = 0xFF;
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dcb.XoffLim = 0xFF;
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dcb.EofChar = 0x00;
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dcb.EvtChar = 'x';
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dcb.wReserved = 0; // mbz
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dcb.fTXContinueOnXoff = FALSE; // old behaviour
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dcb.fAbortOnError = FALSE; // old behaviour
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//dcb.fChEvt = 0; forget about event char
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bRc = SetCommState(hCommPort,&dcb);
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if (!bRc)
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{
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print("FAIL: cannot set the comm state rc:%lx\n",bRc);
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bRc = CloseHandle(hCommPort);
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if (!bRc)
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{
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print("FAIL: cannot close the comm port:%lx\n",bRc);
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}
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return FALSE;
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}
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print("Setting the line characteristics on comm: SUCCESS\n");
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print("Setting the read/write timeouts to 5 minutes\n");
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CommTimeOuts.ReadIntervalTimeout = 0;
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CommTimeOuts.ReadTotalTimeoutMultiplier = 0;
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CommTimeOuts.ReadTotalTimeoutConstant = 60*(1000)*5; // 5mins
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CommTimeOuts.WriteTotalTimeoutMultiplier = 0;
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CommTimeOuts.WriteTotalTimeoutConstant = 60*(1000)*5; // 5mins
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bRc = SetCommTimeouts(hCommPort, &CommTimeOuts);
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printf("bRc from setcommtimeouts = %lx\n",bRc);
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if (!bRc)
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{
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printf("FAIL: setcommtimeouts\n");
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}
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print("Set the read/write timeouts to 5 minutes\n");
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print("Filling the buffer with the known chars \n");
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Byte = 0;
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for (i=0; i< dwPacketSize; i++)
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{
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//WrBuffer[i] = 'a';
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//WrBuffer[i] = (CHAR)i;
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WrBuffer[i] = Byte;
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Byte++;
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}
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print("Filling the buffer with the known chars : SUCCESS\n");
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#ifdef COM_DEB
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print("Dumping the buffer before sending it to comm\n");
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for (i=0; i< dwPacketSize; i++)
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{
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//print("%c",RdBuffer[i]);
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print(" %d ",WrBuffer[i]);
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}
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print("\nDumping the buffer before sending it to comm SUCCESS\n");
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#endif
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print("\nLooping %d times doing %d byte packet xfer across %s port\n",
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dwLoop,dwPacketSize,lpCom);
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for (l=0; l < dwLoop; l++)
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{
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print("Doing....[%d] iteration in the looped pkt xfer.....\n",l);
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print("Filling the Rdbuffer with the known chars (0xFF) to makeit dirty\n");
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for (i=0; i< dwPacketSize; i++)
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{
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RdBuffer[i] = '0xFF';
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}
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print("Filling the Rdbuffer with the known chars (0xFF): SUCCESS\n");
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print("Writting this buffer to the comm port\n");
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bRc = WriteFile( hCommPort,
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WrBuffer,
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dwPacketSize,
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&dwNumWritten,
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NULL);
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if (!bRc)
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{
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print("FAIL: cannot Write To the comm port:%lx\n",bRc);
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bRc = CloseHandle(hCommPort);
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if (!bRc)
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{
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print("FAIL: cannot close the comm port:%lx\n",bRc);
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}
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return FALSE;
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}
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print("Writting this buffer to the comm port: SUCCESS rc:%lx, byteswritten:%lx\n",
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bRc,dwNumWritten);
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if (dwNumWritten < dwPacketSize)
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{
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print("FAIL: less #bytes written, maybe due to time out, as RC is true\n");
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bRc = CloseHandle(hCommPort);
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if (!bRc)
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{
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print("FAIL: cannot close the comm port:%lx\n",bRc);
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}
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return FALSE;
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}
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print("Flushing this buffer out of comm port\n");
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bRc = FlushFileBuffers(hCommPort);
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print("flush file buffers (%lx) rc = %lx\n",hCommPort,bRc);
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//bRc = ClearCommError(hCommPort,&dwErrors,NULL);
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//print("ClearCommError: rc= %lx and dwErrors=%lx\n",bRc,dwErrors);
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Sleep(1000);
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print("Calling ReadFile...\n");
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bRc = ReadFile( hCommPort,
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RdBuffer,
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dwPacketSize,
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&dwNumRead,
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NULL);
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if (!bRc)
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{
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print("FAIL: cannot Read From the comm port:%lx\n",bRc);
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bRc = CloseHandle(hCommPort);
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if (!bRc)
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{
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print("FAIL: cannot close the comm port:%lx\n",bRc);
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}
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return FALSE;
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}
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print("Reading this buffer from the comm port: SUCCESS rc:%lx, bytesread:%lx\n",
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bRc,dwNumRead);
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if (dwNumRead < dwPacketSize)
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{
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print("FAIL: less #bytes read, maybe due to time out, as RC is true\n");
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bRc = CloseHandle(hCommPort);
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if (!bRc)
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{
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print("FAIL: cannot close the comm port:%lx\n",bRc);
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}
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return FALSE;
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}
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#ifdef COM_DEB
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print("Dumping the Rdbuffer with the comm data\n");
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for (i=0; i< dwPacketSize; i++)
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{
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//print("%c",RdBuffer[i]);
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print(" %d ",RdBuffer[i]);
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}
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print("\nDumping the Rdbuffer with the comm data: SUCCESS\n");
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#endif
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print("Comparing the rd and wr buffers\n");
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for (i=0; i< dwPacketSize; i++)
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{
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if (RdBuffer[i] != WrBuffer[i])
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{
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print("FAIL: BufferMisMatch: RdBuffer[%d]=%lx,WrBuffer[%d]=%lx\n",
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i,RdBuffer[i],i,WrBuffer[i]);
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bRc = CloseHandle(hCommPort);
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if (!bRc)
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{
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print("FAIL: cannot close the comm port:%lx\n",bRc);
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}
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return FALSE;
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}
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}
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print("Comparing the rd and wr buffers: SUCCESS\n");
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}
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bRc = FlushFileBuffers(hCommPort);
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print("flush file buffers (%lx,0) rc = %lx\n",hCommPort,bRc);
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bRc = ClearCommError(hCommPort,&dwErrors,NULL);
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print("ClearCommError: rc= %lx and dwErrors=%lx\n",bRc,dwErrors);
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bRc = PurgeComm(hCommPort,PURGE_TXCLEAR);
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print("PurgeComm txclear (%lx,0) rc = %lx\n",hCommPort,bRc);
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bRc = PurgeComm(hCommPort,PURGE_RXCLEAR);
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print("PurgeComm rxclear (%lx,0) rc = %lx\n",hCommPort,bRc);
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bRc = PurgeComm(hCommPort,PURGE_RXABORT);
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print("PurgeComm rxabort (%lx,0) rc = %lx\n",hCommPort,bRc);
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bRc = PurgeComm(hCommPort,PURGE_TXABORT);
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print("PurgeComm txabort (%lx,0) rc = %lx\n",hCommPort,bRc);
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print("Closing the comm port\n");
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bRc = CloseHandle(hCommPort);
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if (!bRc)
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{
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print("FAIL: cannot close the comm port:%lx\n",bRc);
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return FALSE;
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}
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print("\n\n*** COMM TEST OVER WITHOUT ERRORS *** \n\n");
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}
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