// Flush all lingering data that may exist
tcflush(sp->fd, TCIOFLUSH);
+ // set speed, works for UBUNTU 14.04
+ bool err = uart_set_speed(sp, 460800);
+ if (!err)
+ uart_set_speed(sp, 115200);
+
return sp;
}
// Does the system allows us to place a lock on this file descriptor
int err = fcntl(spu->fd, F_SETLK, &fl);
if ( err == -1) {
- perror("fcntl");
+ //perror("fcntl");
}
close(spu->fd);
free(sp);
// Write error
if (res < 0) {
- return false;
+ printf("write error\n");
+ return false;
}
// Write time-out
if (res == 0) {
- return false;
+ printf("write time-out\n");
+ return false;
}
// Send away the bytes
res = write(((serial_port_unix*)sp)->fd,pbtTx+szPos,szTxLen-szPos);
// Stop if the OS has some troubles sending the data
- if (res <= 0) return false;
+ if (res <= 0) {
+ printf("os troubles\n");
+ return false;
+ }
szPos += res;
}
uart_close(sp);
return INVALID_SERIAL_PORT;
}
-
- sp->ct.ReadIntervalTimeout = 0;
- sp->ct.ReadTotalTimeoutMultiplier = 0;
+ // all zero's configure: no timeout for read/write used.
+ sp->ct.ReadIntervalTimeout = 0;//1;
+ sp->ct.ReadTotalTimeoutMultiplier = 0;//1;
sp->ct.ReadTotalTimeoutConstant = 30;
- sp->ct.WriteTotalTimeoutMultiplier = 0;
+ sp->ct.WriteTotalTimeoutMultiplier = 0;//1;
sp->ct.WriteTotalTimeoutConstant = 30;
if(!SetCommTimeouts(sp->hPort,&sp->ct)) {
PurgeComm(sp->hPort, PURGE_RXABORT | PURGE_RXCLEAR);
+ bool err = uart_set_speed(sp, 460800);
+ if (!err)
+ uart_set_speed(sp, 115200);
+
return sp;
}
bool uart_send(const serial_port sp, const byte_t* pbtTx, const size_t szTxLen) {
DWORD dwTxLen = 0;
- return WriteFile(((serial_port_windows*)sp)->hPort,pbtTx,szTxLen,&dwTxLen,NULL);
+ return WriteFile(((serial_port_windows*)sp)->hPort, pbtTx, szTxLen, &dwTxLen, NULL);
return (dwTxLen != 0);
}