int main(int argc, char* argv[])
{
char buff[2048];
char io[2];
HANDLE hFile;
DWORD readed, written;
DCB dcb;
BOOL fFirst = FALSE;
/* Creating cache */
memset(buff, 0, 2048);
FILE* fl = fopen("sdramtest.bin", "rb+");
if (fl == NULL) {
return -100;
}
fread(buff, 1, 2048, fl);
fclose(fl);
hFile = CreateFileW(PORT, GENERIC_WRITE | GENERIC_READ, 0, NULL, OPEN_EXISTING, 0, NULL);
if (hFile == INVALID_HANDLE_VALUE) {
return -1;
}
BOOL res = GetCommState(hFile, &dcb);
res = BuildCommDCBW(PARAM, &dcb);
res = SetCommState(hFile, &dcb);
if (res == FALSE) {
return -2;
}
for (;;) {
BOOL res = ReadFile(hFile, io, 1, &readed, NULL);
if ((res) && (readed > 0)) {
io[1] = 0;
printf("%s", io);
if ((io[0] == '<') && !fFirst) {
fFirst = TRUE;
/* Copy 2048 bytes */
res = WriteFile(hFile, buff, 2048, &written, NULL);
if (res) {
printf("\n%d bytes sended\n", (int)written);
}
} else if ((io[0] == '<') && fFirst) {
return 1;
}
}
}
return 0;
}
//----------------------------------------------------------------
bool ofSerial::setup(string portName, int baud){
bInited = false;
#if defined( TARGET_OSX ) || defined( TARGET_LINUX )
//lets account for the name being passed in instead of the device path
if(portName.size() > 5 && portName.substr(0, 5) != "/dev/"){
portName = "/dev/" + portName;
}
ofLogNotice("ofSerial") << "opening " << portName << " @ " << baud << " bps";
fd = open(portName.c_str(), O_RDWR | O_NOCTTY | O_NONBLOCK);
if(fd == -1){
ofLogError("ofSerial") << "unable to open " << portName;
return false;
}
struct termios options;
tcgetattr(fd, &oldoptions);
options = oldoptions;
switch(baud){
case 300:
cfsetispeed(&options, B300);
cfsetospeed(&options, B300);
break;
case 1200:
cfsetispeed(&options, B1200);
cfsetospeed(&options, B1200);
break;
case 2400:
cfsetispeed(&options, B2400);
cfsetospeed(&options, B2400);
break;
case 4800:
cfsetispeed(&options, B4800);
cfsetospeed(&options, B4800);
break;
case 9600:
cfsetispeed(&options, B9600);
cfsetospeed(&options, B9600);
break;
case 14400:
cfsetispeed(&options, B14400);
cfsetospeed(&options, B14400);
break;
case 19200:
cfsetispeed(&options, B19200);
cfsetospeed(&options, B19200);
break;
case 28800:
cfsetispeed(&options, B28800);
cfsetospeed(&options, B28800);
break;
case 38400:
cfsetispeed(&options, B38400);
cfsetospeed(&options, B38400);
break;
case 57600:
cfsetispeed(&options, B57600);
cfsetospeed(&options, B57600);
break;
case 115200:
cfsetispeed(&options, B115200);
cfsetospeed(&options, B115200);
break;
case 230400:
cfsetispeed(&options, B230400);
cfsetospeed(&options, B230400);
break;
default:
cfsetispeed(&options, B9600);
cfsetospeed(&options, B9600);
ofLogError("ofSerial") << "setup(): cannot set " << baud << " bps, setting to 9600";
break;
}
options.c_cflag |= (CLOCAL | CREAD);
options.c_cflag &= ~PARENB;
options.c_cflag &= ~CSTOPB;
options.c_cflag &= ~CSIZE;
options.c_iflag &= (tcflag_t) ~(INLCR | IGNCR | ICRNL | IGNBRK);
options.c_oflag &= (tcflag_t) ~(OPOST);
options.c_cflag |= CS8;
tcsetattr(fd, TCSANOW, &options);
bInited = true;
ofLogNotice("ofSerial") << "opened " << portName << " sucessfully @ " << baud << " bps";
return true;
#elif defined( TARGET_WIN32 )
char pn[sizeof(portName)];
int num;
if(sscanf(portName.c_str(), "COM%d", &num) == 1){
// Microsoft KB115831 a.k.a if COM > COM9 you have to use a different
// syntax
sprintf(pn, "\\\\.\\COM%d", num);
} else {
strncpy(pn, (const char *)portName.c_str(), sizeof(portName)-1);
}
// open the serial port:
// "COM4", etc...
hComm = CreateFileA(pn, GENERIC_READ|GENERIC_WRITE, 0, 0,
OPEN_EXISTING, 0, 0);
if(hComm == INVALID_HANDLE_VALUE){
ofLogError("ofSerial") << "setup(): unable to open " << portName;
return false;
}
// now try the settings:
COMMCONFIG cfg;
DWORD cfgSize;
WCHAR buf[80];
cfgSize = sizeof(cfg);
GetCommConfig(hComm, &cfg, &cfgSize);
int bps = baud;
swprintf(buf, L"baud=%d parity=N data=8 stop=1", bps);
if(!BuildCommDCBW(buf, &cfg.dcb)){
ofLogError("ofSerial") << "setup(): unable to build comm dcb, (" << buf << ")";
}
// Set baudrate and bits etc.
// Note that BuildCommDCB() clears XON/XOFF and hardware control by default
if(!SetCommState(hComm, &cfg.dcb)){
ofLogError("ofSerial") << "setup(): couldn't set comm state: " << cfg.dcb.BaudRate << " bps, xio " << cfg.dcb.fInX << "/" << cfg.dcb.fOutX;
}
//ofLogNotice("ofSerial") << "bps=" << cfg.dcb.BaudRate << ", xio=" << cfg.dcb.fInX << "/" << cfg.dcb.fOutX;
// Set communication timeouts (NT)
COMMTIMEOUTS tOut;
GetCommTimeouts(hComm, &oldTimeout);
tOut = oldTimeout;
// Make timeout so that:
// - return immediately with buffered characters
tOut.ReadIntervalTimeout = MAXDWORD;
tOut.ReadTotalTimeoutMultiplier = 0;
tOut.ReadTotalTimeoutConstant = 0;
SetCommTimeouts(hComm, &tOut);
bInited = true;
return true;
#else
ofLogError("ofSerial") << "not implemented in this platform";
return false;
#endif
}