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366 lines
9.0 KiB
366 lines
9.0 KiB
#include <stdio.h>
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#include <windows.h>
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BOOL DoComIo(LPSTR lpCom,DWORD Baud,BYTE Size,BYTE Parity,BYTE Stop);
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//#define COM_DEB 1
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#define NUM 128
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#define print printf
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#define SETTINGS1 "COM1",9600,8,NOPARITY,ONESTOPBIT
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#define SETTINGS2 "COM1",4800,8,NOPARITY,ONESTOPBIT
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#define SETTINGS3 "COM1",2400,8,NOPARITY,ONESTOPBIT
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#define SETTINGS4 "COM1",1200,8,NOPARITY,ONESTOPBIT
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DWORD dwSize;
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DWORD dwRIT,dwRTTM,dwRTTC;
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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 bSize,bRIT,bRTTM,bRTTC;
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UNREFERENCED_PARAMETER(envp);
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bRIT = bRTTM = bSize = bRTTC = 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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// printf("filename option=%s\n\n",argv[argc]);
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// sscanf(argv[argc],"%c %c %s",&chDummy,&chDummy,lpFilename);
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// printf("filename to be displayed=%s\n\n",lpFilename);
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// bFile = TRUE;
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// break;
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// }
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case 'I' :
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case 'i' : {
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if (argv[argc][0] != '-') break;
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printf("RIT option=%s\n\n",argv[argc]);
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sscanf(argv[argc],"%c %c %lx",&chDummy,&chDummy,&dwRIT);
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printf("RIT =%lx\n\n",dwRIT);
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bRIT = TRUE;
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break;
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}
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case 'M' :
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case 'm' : {
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if (argv[argc][0] != '-') break;
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printf("RTTM option=%s\n\n",argv[argc]);
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sscanf(argv[argc],"%c %c %lx",&chDummy,&chDummy,&dwRTTM);
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printf("RTTM =%lx\n\n",dwRTTM);
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bRTTM = TRUE;
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break;
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}
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case 'C' :
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case 'c' : {
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if (argv[argc][0] != '-') break;
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printf("RTTC option=%s\n\n",argv[argc]);
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sscanf(argv[argc],"%c %c %lx",&chDummy,&chDummy,&dwRTTC);
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printf("RTTC =%lx\n\n",dwRTTC);
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bRTTC = TRUE;
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break;
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}
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case 'S' :
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case 's' : {
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if (argv[argc][0] != '-') break;
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printf("size option=%s\n\n",argv[argc]);
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sscanf(argv[argc],"%c %c %lx",&chDummy,&chDummy,&dwSize);
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printf("Size to be xfered =%lx bytes\n\n",dwSize);
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if (dwSize > NUM)
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{
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printf("dwSize[%lx] should be < %lx\n",dwSize,NUM);
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return -1;
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}
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bSize = 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 (!bRIT || !bRTTM || !bRTTC ||!bSize)
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{
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printf("\n\nOptions are required!!\n\n");
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printf("timeout <required options>\n\n");
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printf("options:\n");
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printf(" -i<read interval timeout > eg: -i0x0000>\n\n");
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printf(" -m<read total timeout multiplier> eg: -m0x0000>\n\n");
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printf(" -c<read total timeout constant> eg: -c0x0000>\n\n");
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printf(" -s<size in bytes to be xfred eg: -s0x10>\n\n");
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return (-1);
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}
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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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CHAR WrBuffer[NUM];
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CHAR RdBuffer[NUM];
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DWORD i;
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HANDLE hCommPort;
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DCB dcb;
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BOOL bRc;
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DWORD dwNumWritten,dwNumRead,dwErrors;
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COMMTIMEOUTS CommTimeOuts;
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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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if (!GetCommState(hCommPort,&dcb))
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{
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printf("FAIL: Couldn't get the dcb: %d\n",GetLastError());
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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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bRc = SetupComm(hCommPort,1024,1024);
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printf("bRc from CommSetup = %lx\n",bRc);
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if (!bRc)
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{
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printf("FAIL: comsetup\n");
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}
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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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CommTimeOuts.ReadIntervalTimeout = dwRIT;
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CommTimeOuts.ReadTotalTimeoutMultiplier = dwRTTM;
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CommTimeOuts.ReadTotalTimeoutConstant = dwRTTC;
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CommTimeOuts.WriteTotalTimeoutMultiplier = 0;
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CommTimeOuts.WriteTotalTimeoutConstant = 0;
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printf("setting timeouts: RIT=%lx RTTM = %lx RTTC = %lx\n",
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dwRIT, dwRTTM, dwRTTC);
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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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printf("Filling the buffer with the known chars \n");
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for (i=0; i<dwSize; i++)
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{
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//WrBuffer[i] = 'a';
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WrBuffer[i] = (CHAR)i;
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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< dwSize; 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("Filling the Rdbuffer with the known chars (0xFF) to makeit dirty\n");
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for (i=0; i< dwSize; i++)
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{
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RdBuffer[i] = (CHAR)'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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dwSize,
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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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print("Reading this buffer from the comm port\n");
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bRc = ReadFile( hCommPort,
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RdBuffer,
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dwSize,
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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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//#ifdef COM_DEB
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print("Dumping the Rdbuffer with the comm data\n");
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for (i=0; i< dwSize; 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< dwSize; 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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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,0);
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print("PurgeComm (%lx,0) rc = %lx\n",hCommPort,bRc);
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//bRc = FlushFileBuffers(hCommPort);
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//print("flushfilebuffers(%lx) 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*** \n\n");
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}
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