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ntdll/kernel32: GetCommState & IOCTL_GET_BAUD_RATE
- implemented SERIAL_GET_BAUD_RATE ioctl - made use of it in kernel.GetCommState
This commit is contained in:
Eric Pouech
Alexandre Julliard
parent
a05a3435fd
commit
c7016d9325
@ -1063,6 +1063,10 @@ BOOL WINAPI SetCommState( HANDLE handle, LPDCB lpdcb)
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*
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* Fills in a device control block with information from a communications device.
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*
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* PARAMS
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* handle [in] The communications device
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* lpdcb [out] The device control block
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*
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* RETURNS
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*
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* True on success, false if the communication device handle is bad etc
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@ -1071,16 +1075,31 @@ BOOL WINAPI SetCommState( HANDLE handle, LPDCB lpdcb)
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*
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* XonChar and XoffChar are not set.
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*/
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BOOL WINAPI GetCommState(
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HANDLE handle, /* [in] The communications device. */
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LPDCB lpdcb) /* [out] The device control block. */
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BOOL WINAPI GetCommState(HANDLE handle, LPDCB lpdcb)
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{
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struct termios port;
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int fd,speed;
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int fd;
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int stat = DTR_CONTROL_ENABLE | RTS_CONTROL_ENABLE;
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TRACE("handle %p, ptr %p\n", handle, lpdcb);
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SERIAL_BAUD_RATE sbr;
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TRACE("handle %p, ptr %p\n", handle, lpdcb);
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if (!lpdcb)
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{
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SetLastError(ERROR_INVALID_PARAMETER);
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return FALSE;
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}
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lpdcb->DCBlength = sizeof(*lpdcb);
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if (!DeviceIoControl(handle, IOCTL_SERIAL_GET_BAUD_RATE,
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NULL, 0, &sbr, sizeof(sbr), NULL, NULL))
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return FALSE;
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/* yes, they seem no never be (re)set on NT */
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lpdcb->fBinary = 1;
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lpdcb->fParity = 0;
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lpdcb->BaudRate = sbr.BaudRate;
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fd = get_comm_fd( handle, FILE_READ_DATA );
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if (fd < 0) return FALSE;
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if (tcgetattr(fd, &port) == -1) {
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@ -1099,85 +1118,6 @@ BOOL WINAPI GetCommState(
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}
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#endif
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release_comm_fd( handle, fd );
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#ifndef __EMX__
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#ifdef CBAUD
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speed= (port.c_cflag & CBAUD);
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#else
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speed= (cfgetospeed(&port));
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#endif
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switch (speed) {
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case B0:
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lpdcb->BaudRate = 0;
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break;
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case B50:
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lpdcb->BaudRate = 50;
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break;
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case B75:
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lpdcb->BaudRate = 75;
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break;
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case B110:
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lpdcb->BaudRate = 110;
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break;
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case B134:
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lpdcb->BaudRate = 134;
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break;
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case B150:
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lpdcb->BaudRate = 150;
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break;
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case B200:
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lpdcb->BaudRate = 200;
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break;
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case B300:
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lpdcb->BaudRate = 300;
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break;
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case B600:
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lpdcb->BaudRate = 600;
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break;
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case B1200:
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lpdcb->BaudRate = 1200;
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break;
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case B1800:
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lpdcb->BaudRate = 1800;
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break;
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case B2400:
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lpdcb->BaudRate = 2400;
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break;
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case B4800:
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lpdcb->BaudRate = 4800;
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break;
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case B9600:
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lpdcb->BaudRate = 9600;
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break;
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case B19200:
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lpdcb->BaudRate = 19200;
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break;
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case B38400:
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lpdcb->BaudRate = 38400;
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break;
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#ifdef B57600
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case B57600:
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lpdcb->BaudRate = 57600;
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break;
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#endif
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#ifdef B115200
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case B115200:
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lpdcb->BaudRate = 115200;
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break;
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#endif
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#ifdef B230400
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case B230400:
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lpdcb->BaudRate = 230400;
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break;
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#endif
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#ifdef B460800
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case B460800:
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lpdcb->BaudRate = 460800;
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break;
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#endif
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default:
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ERR("unknown speed %x\n", speed);
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}
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#endif
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switch (port.c_cflag & CSIZE) {
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case CS5:
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lpdcb->ByteSize = 5;
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@ -1233,7 +1173,6 @@ BOOL WINAPI GetCommState(
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lpdcb->StopBits = ONESTOPBIT;
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lpdcb->fNull = 0;
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lpdcb->fBinary = 1;
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/* termios does not support DTR/DSR flow control */
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lpdcb->fOutxDsrFlow = 0;
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@ -1274,28 +1213,10 @@ BOOL WINAPI GetCommState(
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lpdcb->XonLim = 10;
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lpdcb->XoffLim = 10;
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TRACE("OK\n");
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TRACE("OK\n");
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dump_dcb(lpdcb);
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TRACE("bytesize %d baudrate %ld fParity %d Parity %d stopbits %d\n",
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lpdcb->ByteSize,lpdcb->BaudRate,lpdcb->fParity, lpdcb->Parity,
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(lpdcb->StopBits == ONESTOPBIT)?1:
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(lpdcb->StopBits == TWOSTOPBITS)?2:0);
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TRACE("%s %s\n",(lpdcb->fInX)?"IXON":"~IXON",
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(lpdcb->fOutX)?"IXOFF":"~IXOFF");
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TRACE("fOutxCtsFlow %d fRtsControl %d\n", lpdcb->fOutxCtsFlow,
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lpdcb->fRtsControl);
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TRACE("fOutxDsrFlow %d fDtrControl%d\n", lpdcb->fOutxDsrFlow,
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lpdcb->fDtrControl);
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#ifdef CRTSCTS
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if ( lpdcb->fOutxCtsFlow ||
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lpdcb->fRtsControl == RTS_CONTROL_HANDSHAKE
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)
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TRACE("CRTSCTS\n");
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else
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TRACE("~CRTSCTS\n");
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#endif
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return TRUE;
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return TRUE;
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}
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/*****************************************************************************
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@ -129,6 +129,62 @@ static const char* iocode2str(DWORD ioc)
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}
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}
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static NTSTATUS get_baud_rate(int fd, SERIAL_BAUD_RATE* sbr)
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{
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struct termios port;
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int speed;
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if (tcgetattr(fd, &port) == -1)
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{
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ERR("tcgetattr error '%s'\n", strerror(errno));
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return FILE_GetNtStatus();
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}
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#ifndef __EMX__
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#ifdef CBAUD
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speed = port.c_cflag & CBAUD;
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#else
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speed = cfgetospeed(&port);
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#endif
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switch (speed)
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{
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case B0: sbr->BaudRate = 0; break;
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case B50: sbr->BaudRate = 50; break;
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case B75: sbr->BaudRate = 75; break;
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case B110: sbr->BaudRate = 110; break;
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case B134: sbr->BaudRate = 134; break;
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case B150: sbr->BaudRate = 150; break;
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case B200: sbr->BaudRate = 200; break;
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case B300: sbr->BaudRate = 300; break;
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case B600: sbr->BaudRate = 600; break;
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case B1200: sbr->BaudRate = 1200; break;
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case B1800: sbr->BaudRate = 1800; break;
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case B2400: sbr->BaudRate = 2400; break;
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case B4800: sbr->BaudRate = 4800; break;
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case B9600: sbr->BaudRate = 9600; break;
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case B19200: sbr->BaudRate = 19200; break;
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case B38400: sbr->BaudRate = 38400; break;
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#ifdef B57600
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case B57600: sbr->BaudRate = 57600; break;
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#endif
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#ifdef B115200
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case B115200: sbr->BaudRate = 115200; break;
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#endif
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#ifdef B230400
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case B230400: sbr->BaudRate = 230400; break;
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#endif
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#ifdef B460800
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case B460800: sbr->BaudRate = 460800; break;
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#endif
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default:
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ERR("unknown speed %x\n", speed);
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return STATUS_INVALID_PARAMETER;
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}
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#else
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return STATUS_INVALID_PARAMETER;
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#endif
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return STATUS_SUCCESS;
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}
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static NTSTATUS get_modem_status(int fd, DWORD* lpModemStat)
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{
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NTSTATUS status = STATUS_SUCCESS;
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@ -619,7 +675,16 @@ NTSTATUS COMM_DeviceIoControl(HANDLE hDevice,
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switch (dwIoControlCode)
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{
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case IOCTL_SERIAL_GET_COMMSTATUS:
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case IOCTL_SERIAL_GET_BAUD_RATE:
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if (lpOutBuffer && nOutBufferSize == sizeof(SERIAL_BAUD_RATE))
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{
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if (!(status = get_baud_rate(fd, (SERIAL_BAUD_RATE*)lpOutBuffer)))
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sz = sizeof(SERIAL_BAUD_RATE);
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}
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else
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status = STATUS_INVALID_PARAMETER;
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break;
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case IOCTL_SERIAL_GET_COMMSTATUS:
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if (lpOutBuffer && nOutBufferSize == sizeof(SERIAL_STATUS))
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{
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if (!(status = get_status(fd, (SERIAL_STATUS*)lpOutBuffer)))
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