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error handling, rts, figured out modemstatus and some constants - volker milde

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git-svn-id: svn://svn.code.sf.net/p/rdesktop/code/trunk/rdesktop@621 423420c4-83ab-492f-b58f-81f9feb106b5
This commit is contained in:
Peter Kallden 2004-03-04 08:01:07 +00:00
parent d834c8efb8
commit 737e8756fb
1 changed files with 69 additions and 14 deletions
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83
serial.c
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@ -53,6 +53,27 @@
#define ODD_PARITY 1 #define ODD_PARITY 1
#define EVEN_PARITY 2 #define EVEN_PARITY 2
#define SERIAL_PURGE_TXABORT 0x00000001
#define SERIAL_PURGE_RXABORT 0x00000002
#define SERIAL_PURGE_TXCLEAR 0x00000004
#define SERIAL_PURGE_RXCLEAR 0x00000008
/* SERIAL_WAIT_ON_MASK */
#define SERIAL_EV_RXCHAR 0x0001 // Any Character received
#define SERIAL_EV_RXFLAG 0x0002 // Received certain character
#define SERIAL_EV_TXEMPTY 0x0004 // Transmitt Queue Empty
#define SERIAL_EV_CTS 0x0008 // CTS changed state
#define SERIAL_EV_DSR 0x0010 // DSR changed state
#define SERIAL_EV_RLSD 0x0020 // RLSD changed state
#define SERIAL_EV_BREAK 0x0040 // BREAK received
#define SERIAL_EV_ERR 0x0080 // Line status error occurred
#define SERIAL_EV_RING 0x0100 // Ring signal detected
#define SERIAL_EV_PERR 0x0200 // Printer error occured
#define SERIAL_EV_RX80FULL 0x0400 // Receive buffer is 80 percent full
#define SERIAL_EV_EVENT1 0x0800 // Provider specific event 1
#define SERIAL_EV_EVENT2 0x1000 // Provider specific event 2
extern RDPDR_DEVICE g_rdpdr_device[]; extern RDPDR_DEVICE g_rdpdr_device[];
SERIAL_DEVICE * SERIAL_DEVICE *
@ -186,6 +207,8 @@ get_termios(SERIAL_DEVICE * pser_inf, HANDLE serial_fd)
break; break;
} }
pser_inf->rts = (ptermios->c_cflag & CRTSCTS) ? 1 : 0;
return True; return True;
} }
@ -286,13 +309,14 @@ set_termios(SERIAL_DEVICE * pser_inf, HANDLE serial_fd)
cfsetispeed(pser_inf->ptermios, speed); cfsetispeed(pser_inf->ptermios, speed);
cfsetospeed(pser_inf->ptermios, pser_inf->dtr ? speed : 0); cfsetospeed(pser_inf->ptermios, pser_inf->dtr ? speed : 0);
ptermios->c_cflag &= ~(CSTOPB | PARENB | PARODD | CSIZE); ptermios->c_cflag &= ~(CSTOPB | PARENB | PARODD | CSIZE | CRTSCTS);
switch (pser_inf->stop_bits) switch (pser_inf->stop_bits)
{ {
case STOP_BITS_2: case STOP_BITS_2:
ptermios->c_cflag |= CSTOPB; ptermios->c_cflag |= CSTOPB;
break; break;
} }
switch (pser_inf->parity) switch (pser_inf->parity)
{ {
case EVEN_PARITY: case EVEN_PARITY:
@ -302,6 +326,7 @@ set_termios(SERIAL_DEVICE * pser_inf, HANDLE serial_fd)
ptermios->c_cflag |= PARENB | PARODD; ptermios->c_cflag |= PARENB | PARODD;
break; break;
} }
switch (pser_inf->word_length) switch (pser_inf->word_length)
{ {
case 5: case 5:
@ -318,6 +343,9 @@ set_termios(SERIAL_DEVICE * pser_inf, HANDLE serial_fd)
break; break;
} }
if (pser_inf->rts)
ptermios->c_cflag |= CRTSCTS;
tcsetattr(serial_fd, TCSANOW, ptermios); tcsetattr(serial_fd, TCSANOW, ptermios);
} }
@ -383,13 +411,18 @@ serial_create(uint32 device_id, uint32 access, uint32 share_mode, uint32 disposi
} }
if (!get_termios(pser_inf, serial_fd)) if (!get_termios(pser_inf, serial_fd))
{
printf("INFO: SERIAL %s access denied\n", g_rdpdr_device[device_id].name);
fflush(stdout);
return STATUS_ACCESS_DENIED; return STATUS_ACCESS_DENIED;
}
// Store handle for later use // Store handle for later use
g_rdpdr_device[device_id].handle = serial_fd; g_rdpdr_device[device_id].handle = serial_fd;
/* some sane information */ /* some sane information */
printf("INFO: SERIAL %s to %s\nINFO: speed %u baud, stop bits %u, parity %u, word length %u bits, dtr %u\n", g_rdpdr_device[device_id].name, g_rdpdr_device[device_id].local_path, pser_inf->baud_rate, pser_inf->stop_bits, pser_inf->parity, pser_inf->word_length, pser_inf->dtr); printf("INFO: SERIAL %s to %s\nINFO: speed %u baud, stop bits %u, parity %u, word length %u bits, dtr %u, rts %u\n", g_rdpdr_device[device_id].name, g_rdpdr_device[device_id].local_path, pser_inf->baud_rate, pser_inf->stop_bits, pser_inf->parity, pser_inf->word_length, pser_inf->dtr, pser_inf->rts);
printf("INFO: use stty to change settings\n"); printf("INFO: use stty to change settings\n");
/* ptermios->c_cflag = B115200 | CRTSCTS | CS8 | CLOCAL | CREAD; /* ptermios->c_cflag = B115200 | CRTSCTS | CS8 | CLOCAL | CREAD;
@ -412,7 +445,9 @@ serial_create(uint32 device_id, uint32 access, uint32 share_mode, uint32 disposi
static NTSTATUS static NTSTATUS
serial_close(HANDLE handle) serial_close(HANDLE handle)
{ {
g_rdpdr_device[get_device_index(handle)].handle = 0; int i = get_device_index(handle);
if (i >= 0)
g_rdpdr_device[i].handle = 0;
close(handle); close(handle);
return STATUS_SUCCESS; return STATUS_SUCCESS;
} }
@ -459,6 +494,8 @@ serial_read(HANDLE handle, uint8 * data, uint32 length, uint32 offset, uint32 *
*result = read(handle, data, length); *result = read(handle, data, length);
//hexdump(data, *read);
return STATUS_SUCCESS; return STATUS_SUCCESS;
} }
@ -472,6 +509,7 @@ serial_write(HANDLE handle, uint8 * data, uint32 length, uint32 offset, uint32 *
static NTSTATUS static NTSTATUS
serial_device_control(HANDLE handle, uint32 request, STREAM in, STREAM out) serial_device_control(HANDLE handle, uint32 request, STREAM in, STREAM out)
{ {
int flush_mask, purge_mask;
uint32 result; uint32 result;
uint8 immediate; uint8 immediate;
SERIAL_DEVICE *pser_inf; SERIAL_DEVICE *pser_inf;
@ -555,15 +593,27 @@ serial_device_control(HANDLE handle, uint32 request, STREAM in, STREAM out)
pser_inf->dtr = 0; pser_inf->dtr = 0;
set_termios(pser_inf, handle); set_termios(pser_inf, handle);
break; break;
case SERIAL_SET_RTS:
pser_inf->rts = 1;
set_termios(pser_inf, handle);
break;
case SERIAL_CLR_RTS:
pser_inf->rts = 0;
set_termios(pser_inf, handle);
break;
case SERIAL_GET_MODEMSTATUS:
out_uint32_le(out, 0); /* Errors */
break;
case SERIAL_GET_COMMSTATUS:
out_uint32_le(out, 0); /* Errors */
out_uint32_le(out, 0); /* Hold reasons */
out_uint32_le(out, 0); /* Amount in in queue */
out_uint32_le(out, 0); /* Amount in out queue */
out_uint8(out, 0); /* EofReceived */
out_uint8(out, 0); /* WaitForImmediate */
break;
#if 0 #if 0
case SERIAL_WAIT_ON_MASK:
/* XXX implement me */
break;
case SERIAL_SET_BREAK_ON:
tcsendbreak(serial_fd, 0);
break;
case SERIAL_PURGE: case SERIAL_PURGE:
printf("SERIAL_PURGE\n"); printf("SERIAL_PURGE\n");
in_uint32(in, purge_mask); in_uint32(in, purge_mask);
if (purge_mask & 0x04) if (purge_mask & 0x04)
@ -577,17 +627,20 @@ serial_device_control(HANDLE handle, uint32 request, STREAM in, STREAM out)
if (purge_mask & 0x02) if (purge_mask & 0x02)
rdpdr_abort_io(handle, 3, STATUS_CANCELLED); rdpdr_abort_io(handle, 3, STATUS_CANCELLED);
break; break;
case SERIAL_WAIT_ON_MASK:
/* XXX implement me */
out_uint32_le(out, pser_inf->wait_mask);
break;
case SERIAL_SET_BREAK_ON:
tcsendbreak(serial_fd, 0);
break;
case SERIAL_RESET_DEVICE: case SERIAL_RESET_DEVICE:
case SERIAL_SET_BREAK_OFF: case SERIAL_SET_BREAK_OFF:
case SERIAL_SET_RTS:
case SERIAL_CLR_RTS:
case SERIAL_SET_XOFF: case SERIAL_SET_XOFF:
case SERIAL_SET_XON: case SERIAL_SET_XON:
/* ignore */ /* ignore */
break; break;
#endif #endif
default: default:
unimpl("SERIAL IOCTL %d\n", request); unimpl("SERIAL IOCTL %d\n", request);
return STATUS_INVALID_PARAMETER; return STATUS_INVALID_PARAMETER;
@ -604,6 +657,8 @@ serial_get_timeout(HANDLE handle, uint32 length, uint32 * timeout, uint32 * itv_
SERIAL_DEVICE *pser_inf; SERIAL_DEVICE *pser_inf;
index = get_device_index(handle); index = get_device_index(handle);
if (index < 0)
return True;
if (g_rdpdr_device[index].device_type != DEVICE_TYPE_SERIAL) if (g_rdpdr_device[index].device_type != DEVICE_TYPE_SERIAL)
{ {