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sim_serial.c Fixed VMS serial code after testing.

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This commit is contained in:
Mark Pizzolato 2012-10-22 14:58:56 -07:00
parent 3311f4d581
commit 388e13eb3a
1 changed files with 56 additions and 19 deletions
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75
sim_serial.c
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@ -1268,7 +1268,7 @@ return;
}
#elif defined (__VMS__)
#elif defined (VMS)
/* VMS implementation */
@ -1303,6 +1303,12 @@ typedef struct {
unsigned short count;
unsigned int dev_status; } IOSB;
typedef struct {
unsigned short buffer_size;
unsigned short item_code;
void *buffer_address;
void *return_length_address;
} ITEM;
/* Enumerate the available serial ports.
@ -1319,17 +1325,30 @@ $DESCRIPTOR (wild, "*");
char devstr[sizeof(list[0].name)];
$DESCRIPTOR (device, devstr);
int ports;
IOSB iosb;
uint32 status;
uint32 devsts;
#define UCB$M_TEMPLATE 0x2000 /* Device is a template device */
#define UCB$M_ONLINE 0x0010 /* Device is online */
uint32 devtype;
uint32 devdepend;
#define DEV$M_RTM 0x20000000
uint32 devnamlen = 0;
t_bool done = FALSE;
struct _generic_64 context;
uint32 context[2];
uint32 devclass = DC$_TERM; /* Only interested in terminal devices */
ILE3 select_items[] = { {sizeof (devclass), DVS$_DEVCLASS, &devclass, NULL},
{ 0, 0, NULL, NULL}};
ITEM select_items[] = { {sizeof (devclass), DVS$_DEVCLASS, &devclass, NULL},
{ 0, 0, NULL, NULL}};
ITEM valid_items[] = { { sizeof (devsts), DVI$_STS, &devsts, NULL},
{ sizeof(devstr), DVI$_DEVNAM, devstr, &devnamlen},
{ sizeof(devtype), DVI$_DEVTYPE, &devtype, NULL},
{ sizeof(devdepend), DVI$_DEVDEPEND, &devdepend, NULL},
{ 0, 0, NULL, NULL}};
memset(&context, 0, sizeof(context));
memset(context, 0, sizeof(context));
memset(devstr, 0, sizeof(devstr));
memset(list, 0, max*sizeof(*list));
for (ports=0; (ports < max) && !done; ++ports) {
for (ports=0; (ports < max); ++ports) {
device.dsc$w_length = sizeof (devstr) - 1;
status = sys$device_scan (&device,
&device.dsc$w_length,
@ -1345,11 +1364,29 @@ for (ports=0; (ports < max) && !done; ++ports) {
if (0 == (status&1))
done = TRUE;
else {
devstr[device.dsc$w_length] = '\0';
strcpy (list[ports].name, devstr);
status = sys$getdviw (0, 0, &device, valid_items, &iosb, NULL, 0, NULL);
if (status == SS$_NORMAL)
status = iosb.status;
if (status != SS$_NORMAL) {
done = TRUE;
break;
}
device.dsc$w_length = devnamlen;
if ((0 == (devsts & UCB$M_TEMPLATE)) &&
(0 != (devsts & UCB$M_ONLINE)) &&
(0 == (devdepend & DEV$M_RTM)) {
devstr[device.dsc$w_length] = '\0';
strcpy (list[ports].name, devstr);
while (list[ports].name[0] == '_')
strcpy (list[ports].name, list[ports].name+1);
}
else
--ports;
}
break;
}
if (done)
break;
}
return ports;
}
@ -1376,7 +1413,7 @@ uint32 chan = 0;
IOSB iosb;
$DESCRIPTOR (devnam, name);
uint32 devclass;
ILE3 items[] = { {sizeof (devclass), DVI$_DEVCLASS, &devclass, NULL},
ITEM items[] = { {sizeof (devclass), DVI$_DEVCLASS, &devclass, NULL},
{ 0, 0, NULL, NULL}};
SENSE_BUF start_mode = { 0 };
SENSE_BUF run_mode = { 0 };
@ -1398,12 +1435,12 @@ if ((status != SS$_NORMAL) || (iosb.status != SS$_NORMAL)) {
sys$dassgn (chan);
return INVALID_HANDLE;
}
run_mode = cmd_mode;
run_mode.stat = cmd_mode.stat | TT$M_NOECHO & ~(TT$M_HOSTSYNC | TT$M_TTSYNC | TT$M_HALFDUP);
run_mode.stat2 = cmd_mode.stat2 | TT2$M_PASTHRU;
run_mode = start_mode;
run_mode.stat = start_mode.stat | TT$M_NOECHO & ~(TT$M_HOSTSYNC | TT$M_TTSYNC | TT$M_HALFDUP);
run_mode.stat2 = start_mode.stat2 | TT2$M_PASTHRU;
status = sys$qiow (0, chan, IO$_SETMODE, &iosb, 0, 0,
&run_mode, sizeof (run_mode), 0, 0, 0, 0);
if ((status != SS$_NORMAL) || (iosb.status != SS$_NORMAL))
if ((status != SS$_NORMAL) || (iosb.status != SS$_NORMAL)) {
sys$dassgn (chan);
return INVALID_HANDLE;
}
@ -1434,7 +1471,7 @@ uint32 status, speed, parity, charsize, stopbits;
IOSB iosb;
static const struct {
uint32 rate;
speed_t rate_code;
uint32 rate_code;
} baud_map [] =
{ { 50, TT$C_BAUD_50 }, { 75, TT$C_BAUD_75 }, { 110, TT$C_BAUD_110 }, { 134, TT$C_BAUD_134 },
{ 150, TT$C_BAUD_150 }, { 300, TT$C_BAUD_300 }, { 600, TT$C_BAUD_600 }, { 1200, TT$C_BAUD_1200 },
@ -1444,7 +1481,7 @@ static const struct {
static const int32 baud_count = sizeof (baud_map) / sizeof (baud_map [0]);
status = sys$qiow (0, tty_chan, IO$_SENSEMODE, &iosb, 0, 0, &sense, sizeof(sense), 0, NULL, 0, 0);
status = sys$qiow (0, port, IO$_SENSEMODE, &iosb, 0, 0, &sense, sizeof(sense), 0, NULL, 0, 0);
if (status == SS$_NORMAL)
status = iosb.status;
if (status != SS$_NORMAL) {
@ -1485,7 +1522,7 @@ switch (config.parity) { /* assign parity */
}
case (config.stopbits) {
switch (config.stopbits) {
case 1: /* one stop bit? */
stopbits = 0;
break;
@ -1638,8 +1675,8 @@ unsigned char buf[4];
IOSB iosb;
uint32 devsts = 0;
#define UCB$M_BSY 0x100 /* Device I/O busy flag */
ILE3 items[] = { {sizeof (devclass), DVI$_STS, &devsts, NULL},
{ 0, 0, NULL, NULL}};
ITEM items[] = { {sizeof (devsts), DVI$_STS, &devsts, NULL},
{ 0, 0, NULL, NULL}};
status = sys$getdviw (0, port, NULL, items, &iosb, NULL, 0, 0);
if (status == SS$_NORMAL)
@ -1680,7 +1717,7 @@ return;
static int sim_serial_os_devices (int max, SERIAL_LIST* list)
{
return -1;
return 0;
}
/* Open a serial port */