ntdll/kernel32: EscapeCommFunction & associated IOCTLs
- implemented ntdll's serial IOCTL: CLR_DTR, CLR_RTS, SET_DTR, SET_RTS, SET_XOFF, SET_XON, RESET_DEVICE - implemented kernel32.EscapeCommFunction on top of them
This commit is contained in:
Eric Pouech
Alexandre Julliard
parent
fcdc293bb0
commit
5f9e9836cf
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@ -146,19 +146,6 @@ static int COMM_GetEInfo(int fd, serial_irq_info *irq_info)
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return -1;
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}
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static int COMM_WhackModem(int fd, unsigned int andy, unsigned int orrie)
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{
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#ifdef TIOCMGET
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unsigned int mstat, okay;
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okay = ioctl(fd, TIOCMGET, &mstat);
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if (okay) return okay;
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if (andy) mstat &= andy;
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mstat |= orrie;
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return ioctl(fd, TIOCMSET, &mstat);
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#else
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return 0;
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#endif
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}
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/***********************************************************************
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* COMM_Parse* (Internal)
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@ -699,111 +686,38 @@ BOOL WINAPI ClearCommBreak(HANDLE handle)
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*
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* Directs a communication device to perform an extended function.
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*
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* PARAMS
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*
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* handle [in] The communication device to perform the extended function
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* nFunction [in] The extended function to be performed
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*
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* RETURNS
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*
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* True or requested data on successful completion of the command,
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* false if the device is not present cannot execute the command
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* or the command failed.
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*/
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BOOL WINAPI EscapeCommFunction(
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HANDLE handle, /* [in] The communication device to perform the extended function. */
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UINT nFunction) /* [in] The extended function to be performed. */
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BOOL WINAPI EscapeCommFunction(HANDLE handle, UINT func)
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{
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int fd,direct=FALSE,result=FALSE;
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struct termios port;
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DWORD ioc;
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TRACE("handle %p, function=%d\n", handle, nFunction);
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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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release_comm_fd( handle, fd );
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return FALSE;
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}
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switch (nFunction) {
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case RESETDEV:
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TRACE("\n");
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break;
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case CLRDTR:
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TRACE("CLRDTR\n");
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#ifdef TIOCM_DTR
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direct=TRUE;
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result= COMM_WhackModem(fd, ~TIOCM_DTR, 0);
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break;
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#endif
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case CLRRTS:
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TRACE("CLRRTS\n");
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#ifdef TIOCM_RTS
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direct=TRUE;
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result= COMM_WhackModem(fd, ~TIOCM_RTS, 0);
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break;
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#endif
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case SETDTR:
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TRACE("SETDTR\n");
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#ifdef TIOCM_DTR
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direct=TRUE;
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result= COMM_WhackModem(fd, 0, TIOCM_DTR);
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break;
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#endif
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case SETRTS:
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TRACE("SETRTS\n");
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#ifdef TIOCM_RTS
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direct=TRUE;
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result= COMM_WhackModem(fd, 0, TIOCM_RTS);
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break;
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#endif
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case SETXOFF:
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TRACE("SETXOFF\n");
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port.c_iflag |= IXOFF;
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break;
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case SETXON:
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TRACE("SETXON\n");
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port.c_iflag |= IXON;
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break;
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case SETBREAK:
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TRACE("setbreak\n");
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#ifdef TIOCSBRK
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direct=TRUE;
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result = ioctl(fd,TIOCSBRK,0);
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break;
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#endif
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case CLRBREAK:
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TRACE("clrbreak\n");
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#ifdef TIOCSBRK
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direct=TRUE;
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result = ioctl(fd,TIOCCBRK,0);
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break;
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#endif
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default:
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WARN("(handle=%p,nFunction=%d): Unknown function\n",
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handle, nFunction);
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break;
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}
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if (!direct)
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if (tcsetattr(fd, TCSADRAIN, &port) == -1) {
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release_comm_fd( handle, fd );
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return FALSE;
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} else
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result= TRUE;
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else
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{
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if (result == -1)
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{
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result= FALSE;
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}
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else
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result = TRUE;
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}
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release_comm_fd( handle, fd );
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return result;
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switch (func)
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{
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case CLRDTR: ioc = IOCTL_SERIAL_CLR_DTR; break;
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case CLRRTS: ioc = IOCTL_SERIAL_CLR_RTS; break;
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case SETDTR: ioc = IOCTL_SERIAL_SET_DTR; break;
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case SETRTS: ioc = IOCTL_SERIAL_SET_RTS; break;
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case SETXOFF: ioc = IOCTL_SERIAL_SET_XOFF; break;
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case SETXON: ioc = IOCTL_SERIAL_SET_XON; break;
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case SETBREAK: ioc = IOCTL_SERIAL_SET_BREAK_ON; break;
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case CLRBREAK: ioc = IOCTL_SERIAL_SET_BREAK_OFF; break;
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case RESETDEV: ioc = IOCTL_SERIAL_RESET_DEVICE; break;
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default:
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ERR("Unknown function code (%u)\n", func);
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SetLastError(ERROR_INVALID_PARAMETER);
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return FALSE;
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}
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return DeviceIoControl(handle, ioc, NULL, 0, NULL, 0, NULL, NULL);
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}
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/********************************************************************
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@ -823,6 +823,44 @@ static NTSTATUS set_wait_mask(HANDLE hDevice, DWORD mask)
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return status;
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}
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static NTSTATUS set_XOff(int fd)
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{
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struct termios port;
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if (tcgetattr(fd,&port) == -1)
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{
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FIXME("tcgetattr on fd %d failed (%s)!\n", fd, strerror(errno));
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return FILE_GetNtStatus();
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}
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port.c_iflag |= IXOFF;
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if (tcsetattr(fd, TCSADRAIN, &port) == -1)
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{
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FIXME("tcsetattr on fd %d failed (%s)!\n", fd, strerror(errno));
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return FILE_GetNtStatus();
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}
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return STATUS_SUCCESS;
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}
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static NTSTATUS set_XOn(int fd)
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{
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struct termios port;
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if (tcgetattr(fd,&port) == -1)
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{
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FIXME("tcgetattr on fd %d failed (%s)!\n", fd, strerror(errno));
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return FILE_GetNtStatus();
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}
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port.c_iflag |= IXON;
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if (tcsetattr(fd, TCSADRAIN, &port) == -1)
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{
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FIXME("tcsetattr on fd %d failed (%s)!\n", fd, strerror(errno));
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return FILE_GetNtStatus();
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}
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return STATUS_SUCCESS;
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}
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static NTSTATUS xmit_immediate(HANDLE hDevice, int fd, char* ptr)
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{
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/* FIXME: not perfect as it should bypass the in-queue */
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@ -861,6 +899,20 @@ NTSTATUS COMM_DeviceIoControl(HANDLE hDevice,
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switch (dwIoControlCode)
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{
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case IOCTL_SERIAL_CLR_DTR:
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#ifdef TIOCM_DTR
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if (whack_modem(fd, ~TIOCM_DTR, 0) == -1) status = FILE_GetNtStatus();
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#else
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status = STATUS_NOT_SUPPORTED;
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#endif
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break;
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case IOCTL_SERIAL_CLR_RTS:
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#ifdef TIOCM_RTS
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if (whack_modem(fd, ~TIOCM_RTS, 0) == -1) status = FILE_GetNtStatus();
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#else
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status = STATUS_NOT_SUPPORTED;
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#endif
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break;
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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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@ -943,6 +995,9 @@ NTSTATUS COMM_DeviceIoControl(HANDLE hDevice,
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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_RESET_DEVICE:
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FIXME("Unsupported\n");
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break;
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case IOCTL_SERIAL_SET_BAUD_RATE:
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if (lpInBuffer && nInBufferSize == sizeof(SERIAL_BAUD_RATE))
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status = set_baud_rate(fd, (const SERIAL_BAUD_RATE*)lpInBuffer);
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@ -979,6 +1034,13 @@ NTSTATUS COMM_DeviceIoControl(HANDLE hDevice,
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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_SET_DTR:
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#ifdef TIOCM_DTR
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if (whack_modem(fd, 0, TIOCM_DTR) == -1) status = FILE_GetNtStatus();
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#else
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status = STATUS_NOT_SUPPORTED;
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#endif
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break;
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case IOCTL_SERIAL_SET_HANDFLOW:
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if (lpInBuffer && nInBufferSize == sizeof(SERIAL_HANDFLOW))
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status = set_handflow(fd, (const SERIAL_HANDFLOW*)lpInBuffer);
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@ -997,6 +1059,13 @@ NTSTATUS COMM_DeviceIoControl(HANDLE hDevice,
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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_SET_RTS:
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#ifdef TIOCM_RTS
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if (whack_modem(fd, 0, TIOCM_RTS) == -1) status = FILE_GetNtStatus();
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#else
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status = STATUS_NOT_SUPPORTED;
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#endif
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break;
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case IOCTL_SERIAL_SET_TIMEOUTS:
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if (lpInBuffer && nInBufferSize == sizeof(SERIAL_TIMEOUTS))
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status = set_timeouts(hDevice, fd, (const SERIAL_TIMEOUTS*)lpInBuffer);
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@ -1010,6 +1079,12 @@ NTSTATUS COMM_DeviceIoControl(HANDLE hDevice,
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}
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else status = STATUS_INVALID_PARAMETER;
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break;
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case IOCTL_SERIAL_SET_XOFF:
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status = set_XOff(fd);
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break;
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case IOCTL_SERIAL_SET_XON:
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status = set_XOn(fd);
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break;
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default:
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FIXME("Unsupported IOCTL %lx (type=%lx access=%lx func=%lx meth=%lx)\n",
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dwIoControlCode, dwIoControlCode >> 16, (dwIoControlCode >> 14) & 3,
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