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Commit c7016d93 authored by Eric Pouech's avatar Eric Pouech Committed by Alexandre Julliard
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ntdll/kernel32: GetCommState & IOCTL_GET_BAUD_RATE

- implemented SERIAL_GET_BAUD_RATE ioctl - made use of it in kernel.GetCommState
parent a05a3435
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Showing with 93 additions and 107 deletions
dlls/kernel/comm.c
View file @ c7016d93
......@@ -1063,6 +1063,10 @@ BOOL WINAPI SetCommState( HANDLE handle, LPDCB lpdcb)
*
* Fills in a device control block with information from a communications device.
*
* PARAMS
* handle [in] The communications device
* lpdcb [out] The device control block
*
* RETURNS
*
* True on success, false if the communication device handle is bad etc
......@@ -1071,16 +1075,31 @@ BOOL WINAPI SetCommState( HANDLE handle, LPDCB lpdcb)
*
* XonChar and XoffChar are not set.
*/
BOOL WINAPI GetCommState(
HANDLE handle, /* [in] The communications device. */
LPDCB lpdcb) /* [out] The device control block. */
BOOL WINAPI GetCommState(HANDLE handle, LPDCB lpdcb)
{
struct termios port;
int fd,speed;
int fd;
int stat = DTR_CONTROL_ENABLE | RTS_CONTROL_ENABLE;
TRACE("handle %p, ptr %p\n", handle, lpdcb);
SERIAL_BAUD_RATE sbr;
TRACE("handle %p, ptr %p\n", handle, lpdcb);
if (!lpdcb)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
lpdcb->DCBlength = sizeof(*lpdcb);
if (!DeviceIoControl(handle, IOCTL_SERIAL_GET_BAUD_RATE,
NULL, 0, &sbr, sizeof(sbr), NULL, NULL))
return FALSE;
/* yes, they seem no never be (re)set on NT */
lpdcb->fBinary = 1;
lpdcb->fParity = 0;
lpdcb->BaudRate = sbr.BaudRate;
fd = get_comm_fd( handle, FILE_READ_DATA );
if (fd < 0) return FALSE;
if (tcgetattr(fd, &port) == -1) {
......@@ -1099,85 +1118,6 @@ BOOL WINAPI GetCommState(
}
#endif
release_comm_fd( handle, fd );
#ifndef __EMX__
#ifdef CBAUD
speed= (port.c_cflag & CBAUD);
#else
speed= (cfgetospeed(&port));
#endif
switch (speed) {
case B0:
lpdcb->BaudRate = 0;
break;
case B50:
lpdcb->BaudRate = 50;
break;
case B75:
lpdcb->BaudRate = 75;
break;
case B110:
lpdcb->BaudRate = 110;
break;
case B134:
lpdcb->BaudRate = 134;
break;
case B150:
lpdcb->BaudRate = 150;
break;
case B200:
lpdcb->BaudRate = 200;
break;
case B300:
lpdcb->BaudRate = 300;
break;
case B600:
lpdcb->BaudRate = 600;
break;
case B1200:
lpdcb->BaudRate = 1200;
break;
case B1800:
lpdcb->BaudRate = 1800;
break;
case B2400:
lpdcb->BaudRate = 2400;
break;
case B4800:
lpdcb->BaudRate = 4800;
break;
case B9600:
lpdcb->BaudRate = 9600;
break;
case B19200:
lpdcb->BaudRate = 19200;
break;
case B38400:
lpdcb->BaudRate = 38400;
break;
#ifdef B57600
case B57600:
lpdcb->BaudRate = 57600;
break;
#endif
#ifdef B115200
case B115200:
lpdcb->BaudRate = 115200;
break;
#endif
#ifdef B230400
case B230400:
lpdcb->BaudRate = 230400;
break;
#endif
#ifdef B460800
case B460800:
lpdcb->BaudRate = 460800;
break;
#endif
default:
ERR("unknown speed %x\n", speed);
}
#endif
switch (port.c_cflag & CSIZE) {
case CS5:
lpdcb->ByteSize = 5;
......@@ -1233,7 +1173,6 @@ BOOL WINAPI GetCommState(
lpdcb->StopBits = ONESTOPBIT;
lpdcb->fNull = 0;
lpdcb->fBinary = 1;
/* termios does not support DTR/DSR flow control */
lpdcb->fOutxDsrFlow = 0;
......@@ -1274,28 +1213,10 @@ BOOL WINAPI GetCommState(
lpdcb->XonLim = 10;
lpdcb->XoffLim = 10;
TRACE("OK\n");
TRACE("bytesize %d baudrate %ld fParity %d Parity %d stopbits %d\n",
lpdcb->ByteSize,lpdcb->BaudRate,lpdcb->fParity, lpdcb->Parity,
(lpdcb->StopBits == ONESTOPBIT)?1:
(lpdcb->StopBits == TWOSTOPBITS)?2:0);
TRACE("%s %s\n",(lpdcb->fInX)?"IXON":"~IXON",
(lpdcb->fOutX)?"IXOFF":"~IXOFF");
TRACE("fOutxCtsFlow %d fRtsControl %d\n", lpdcb->fOutxCtsFlow,
lpdcb->fRtsControl);
TRACE("fOutxDsrFlow %d fDtrControl%d\n", lpdcb->fOutxDsrFlow,
lpdcb->fDtrControl);
#ifdef CRTSCTS
if ( lpdcb->fOutxCtsFlow ||
lpdcb->fRtsControl == RTS_CONTROL_HANDSHAKE
)
TRACE("CRTSCTS\n");
else
TRACE("OK\n");
dump_dcb(lpdcb);
TRACE("~CRTSCTS\n");
#endif
return TRUE;
return TRUE;
}
/*****************************************************************************
......
dlls/ntdll/serial.c
View file @ c7016d93
......@@ -129,6 +129,62 @@ static const char* iocode2str(DWORD ioc)
}
}
static NTSTATUS get_baud_rate(int fd, SERIAL_BAUD_RATE* sbr)
{
struct termios port;
int speed;
if (tcgetattr(fd, &port) == -1)
{
ERR("tcgetattr error '%s'\n", strerror(errno));
return FILE_GetNtStatus();
}
#ifndef __EMX__
#ifdef CBAUD
speed = port.c_cflag & CBAUD;
#else
speed = cfgetospeed(&port);
#endif
switch (speed)
{
case B0: sbr->BaudRate = 0; break;
case B50: sbr->BaudRate = 50; break;
case B75: sbr->BaudRate = 75; break;
case B110: sbr->BaudRate = 110; break;
case B134: sbr->BaudRate = 134; break;
case B150: sbr->BaudRate = 150; break;
case B200: sbr->BaudRate = 200; break;
case B300: sbr->BaudRate = 300; break;
case B600: sbr->BaudRate = 600; break;
case B1200: sbr->BaudRate = 1200; break;
case B1800: sbr->BaudRate = 1800; break;
case B2400: sbr->BaudRate = 2400; break;
case B4800: sbr->BaudRate = 4800; break;
case B9600: sbr->BaudRate = 9600; break;
case B19200: sbr->BaudRate = 19200; break;
case B38400: sbr->BaudRate = 38400; break;
#ifdef B57600
case B57600: sbr->BaudRate = 57600; break;
#endif
#ifdef B115200
case B115200: sbr->BaudRate = 115200; break;
#endif
#ifdef B230400
case B230400: sbr->BaudRate = 230400; break;
#endif
#ifdef B460800
case B460800: sbr->BaudRate = 460800; break;
#endif
default:
ERR("unknown speed %x\n", speed);
return STATUS_INVALID_PARAMETER;
}
#else
return STATUS_INVALID_PARAMETER;
#endif
return STATUS_SUCCESS;
}
static NTSTATUS get_modem_status(int fd, DWORD* lpModemStat)
{
NTSTATUS status = STATUS_SUCCESS;
......@@ -619,7 +675,16 @@ NTSTATUS COMM_DeviceIoControl(HANDLE hDevice,
switch (dwIoControlCode)
{
case IOCTL_SERIAL_GET_COMMSTATUS:
case IOCTL_SERIAL_GET_BAUD_RATE:
if (lpOutBuffer && nOutBufferSize == sizeof(SERIAL_BAUD_RATE))
{
if (!(status = get_baud_rate(fd, (SERIAL_BAUD_RATE*)lpOutBuffer)))
sz = sizeof(SERIAL_BAUD_RATE);
}
else
status = STATUS_INVALID_PARAMETER;
break;
case IOCTL_SERIAL_GET_COMMSTATUS:
if (lpOutBuffer && nOutBufferSize == sizeof(SERIAL_STATUS))
{
if (!(status = get_status(fd, (SERIAL_STATUS*)lpOutBuffer)))
......
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