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Implement mark and space parity generation. Accept one-and- a-half 

stopbits: the most common uarts will generate this automatically when
there are 5 databits.
This commit is contained in:
Rein Klazes 2000-04-28 14:44:33 +00:00 committed by Alexandre Julliard
parent 1abdb6f74d
commit 0a54d5a39f
1 changed files with 176 additions and 59 deletions
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235
misc/comm.c
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@ -89,6 +89,10 @@ DEFAULT_DEBUG_CHANNEL(comm);
#define FLAG_LPT 0x80
#ifdef linux
#define CMSPAR 0x40000000 /* stick parity */
#endif
struct DosDeviceStruct COM[MAX_PORTS];
struct DosDeviceStruct LPT[MAX_PORTS];
/* pointers to unknown(==undocumented) comm structure */
@ -850,6 +854,8 @@ INT16 WINAPI SetCommState16(LPDCB16 lpdcb)
{
struct termios port;
struct DosDeviceStruct *ptr;
int bytesize, stopbits;
int fail=0;
TRACE("cid %d, ptr %p\n", lpdcb->Id, lpdcb);
if ((ptr = GetDeviceStruct(lpdcb->Id)) == NULL) {
@ -931,7 +937,7 @@ INT16 WINAPI SetCommState16(LPDCB16 lpdcb)
#endif
default:
ptr->commerror = IE_BAUDRATE;
return -1;
fail=1;
}
#elif !defined(__EMX__)
switch (lpdcb->BaudRate) {
@ -973,13 +979,69 @@ INT16 WINAPI SetCommState16(LPDCB16 lpdcb)
break;
default:
ptr->commerror = IE_BAUDRATE;
return -1;
fail=1;
}
port.c_ispeed = port.c_ospeed;
#endif
TRACE("bytesize %d\n",lpdcb->ByteSize);
bytesize=lpdcb->ByteSize;
stopbits=lpdcb->StopBits;
TRACE("fParity %d Parity %d\n",lpdcb->fParity, lpdcb->Parity);
#ifdef CMSPAR
port.c_cflag &= ~(PARENB | PARODD | CMSPAR);
#else
port.c_cflag &= ~(PARENB | PARODD);
#endif
if (lpdcb->fParity)
port.c_iflag |= INPCK;
else
port.c_iflag &= ~INPCK;
switch (lpdcb->Parity) {
case NOPARITY:
break;
case ODDPARITY:
port.c_cflag |= (PARENB | PARODD);
break;
case EVENPARITY:
port.c_cflag |= PARENB;
break;
#ifdef CMSPAR
/* Linux defines mark/space (stick) parity */
case MARKPARITY:
port.c_cflag |= (PARENB | CMSPAR);
break;
case SPACEPARITY:
port.c_cflag |= (PARENB | PARODD | CMSPAR);
break;
#else
/* try the POSIX way */
case MARKPARITY:
if( stopbits == ONESTOPBIT) {
stopbits = TWOSTOPBITS;
port.c_iflag &= ~INPCK;
} else {
ptr->commerror = IE_BYTESIZE;
fail=1;
}
break;
case SPACEPARITY:
if( bytesize < 8) {
bytesize +=1;
port.c_iflag &= ~INPCK;
} else {
ptr->commerror = IE_BYTESIZE;
fail=1;
}
break;
#endif
default:
ptr->commerror = IE_BYTESIZE;
fail=1;
}
TRACE("bytesize %d\n",bytesize);
port.c_cflag &= ~CSIZE;
switch (lpdcb->ByteSize) {
switch (bytesize) {
case 5:
port.c_cflag |= CS5;
break;
@ -994,42 +1056,22 @@ INT16 WINAPI SetCommState16(LPDCB16 lpdcb)
break;
default:
ptr->commerror = IE_BYTESIZE;
return -1;
fail=1;
}
TRACE("fParity %d Parity %d\n",lpdcb->fParity, lpdcb->Parity);
port.c_cflag &= ~(PARENB | PARODD);
if (lpdcb->fParity)
port.c_iflag |= INPCK;
else
port.c_iflag &= ~INPCK;
switch (lpdcb->Parity) {
case NOPARITY:
break;
case ODDPARITY:
port.c_cflag |= (PARENB | PARODD);
break;
case EVENPARITY:
port.c_cflag |= PARENB;
break;
default:
ptr->commerror = IE_BYTESIZE;
return -1;
}
TRACE("stopbits %d\n",stopbits);
TRACE("stopbits %d\n",lpdcb->StopBits);
switch (lpdcb->StopBits) {
switch (stopbits) {
case ONESTOPBIT:
port.c_cflag &= ~CSTOPB;
break;
case ONE5STOPBITS: /* wil be selected if bytesize is 5 */
case TWOSTOPBITS:
port.c_cflag |= CSTOPB;
break;
default:
ptr->commerror = IE_BYTESIZE;
return -1;
fail=1;
}
#ifdef CRTSCTS
@ -1050,9 +1092,12 @@ INT16 WINAPI SetCommState16(LPDCB16 lpdcb)
ptr->evtchar = lpdcb->EvtChar;
if(fail)
return -1;
if (tcsetattr(ptr->fd, TCSADRAIN, &port) == -1) {
ptr->commerror = WinError();
return FALSE;
return -1;
} else {
ptr->commerror = 0;
return 0;
@ -1143,7 +1188,11 @@ INT16 WINAPI GetCommState16(INT16 cid, LPDCB16 lpdcb)
lpdcb->fParity = TRUE;
else
lpdcb->fParity = FALSE;
#ifdef CMSPAR
switch (port.c_cflag & (PARENB | PARODD | CMSPAR)) {
#else
switch (port.c_cflag & (PARENB | PARODD)) {
#endif
case 0:
lpdcb->Parity = NOPARITY;
break;
@ -1153,12 +1202,23 @@ INT16 WINAPI GetCommState16(INT16 cid, LPDCB16 lpdcb)
case (PARENB | PARODD):
lpdcb->Parity = ODDPARITY;
break;
#ifdef CMSPAR
case (PARENB | CMSPAR):
lpdcb->Parity = MARKPARITY;
break;
case (PARENB | PARODD | CMSPAR):
lpdcb->Parity = SPACEPARITY;
break;
#endif
}
if (port.c_cflag & CSTOPB)
lpdcb->StopBits = TWOSTOPBITS;
if(lpdcb->ByteSize == 5)
lpdcb->StopBits = ONE5STOPBITS;
else
lpdcb->StopBits = TWOSTOPBITS;
else
lpdcb->StopBits = ONESTOPBIT;
lpdcb->StopBits = ONESTOPBIT;
lpdcb->RlsTimeout = 50;
lpdcb->CtsTimeout = 50;
@ -1910,6 +1970,7 @@ BOOL WINAPI SetCommState(INT handle,LPDCB lpdcb)
{
struct termios port;
int fd;
int bytesize, stopbits;
TRACE("handle %d, ptr %p\n", handle, lpdcb);
TRACE("bytesize %d baudrate %ld fParity %d Parity %d stopbits %d\n",
@ -2069,8 +2130,70 @@ BOOL WINAPI SetCommState(INT handle,LPDCB lpdcb)
}
port.c_ispeed = port.c_ospeed;
#endif
bytesize=lpdcb->ByteSize;
stopbits=lpdcb->StopBits;
#ifdef CMSPAR
port.c_cflag &= ~(PARENB | PARODD | CMSPAR);
#else
port.c_cflag &= ~(PARENB | PARODD);
#endif
if (lpdcb->fParity)
port.c_iflag |= INPCK;
else
port.c_iflag &= ~INPCK;
switch (lpdcb->Parity) {
case NOPARITY:
break;
case ODDPARITY:
port.c_cflag |= (PARENB | PARODD);
break;
case EVENPARITY:
port.c_cflag |= PARENB;
break;
#ifdef CMSPAR
/* Linux defines mark/space (stick) parity */
case MARKPARITY:
port.c_cflag |= (PARENB | CMSPAR);
break;
case SPACEPARITY:
port.c_cflag |= (PARENB | PARODD | CMSPAR);
break;
#else
/* try the POSIX way */
case MARKPARITY:
if( stopbits == ONESTOPBIT) {
stopbits = TWOSTOPBITS;
port.c_iflag &= ~INPCK;
} else {
commerror = IE_BYTESIZE;
close( fd );
ERR("Cannot set MARK Parity\n");
return FALSE;
}
break;
case SPACEPARITY:
if( bytesize < 8) {
bytesize +=1;
port.c_iflag &= ~INPCK;
} else {
commerror = IE_BYTESIZE;
close( fd );
ERR("Cannot set SPACE Parity\n");
return FALSE;
}
break;
#endif
default:
commerror = IE_BYTESIZE;
close( fd );
ERR("Parity\n");
return FALSE;
}
port.c_cflag &= ~CSIZE;
switch (lpdcb->ByteSize) {
switch (bytesize) {
case 5:
port.c_cflag |= CS5;
break;
@ -2089,33 +2212,12 @@ BOOL WINAPI SetCommState(INT handle,LPDCB lpdcb)
ERR("ByteSize\n");
return FALSE;
}
port.c_cflag &= ~(PARENB | PARODD);
if (lpdcb->fParity)
port.c_iflag |= INPCK;
else
port.c_iflag &= ~INPCK;
switch (lpdcb->Parity) {
case NOPARITY:
break;
case ODDPARITY:
port.c_cflag |= (PARENB | PARODD);
break;
case EVENPARITY:
port.c_cflag |= PARENB;
break;
default:
commerror = IE_BYTESIZE;
close( fd );
ERR("Parity\n");
return FALSE;
}
switch (lpdcb->StopBits) {
switch (stopbits) {
case ONESTOPBIT:
port.c_cflag &= ~CSTOPB;
break;
case ONE5STOPBITS: /* wil be selected if bytesize is 5 */
case TWOSTOPBITS:
port.c_cflag |= CSTOPB;
break;
@ -2275,7 +2377,11 @@ BOOL WINAPI GetCommState(INT handle, LPDCB lpdcb)
lpdcb->fParity = TRUE;
else
lpdcb->fParity = FALSE;
#ifdef CMSPAR
switch (port.c_cflag & (PARENB | PARODD | CMSPAR)) {
#else
switch (port.c_cflag & (PARENB | PARODD)) {
#endif
case 0:
lpdcb->Parity = NOPARITY;
break;
@ -2285,12 +2391,23 @@ BOOL WINAPI GetCommState(INT handle, LPDCB lpdcb)
case (PARENB | PARODD):
lpdcb->Parity = ODDPARITY;
break;
#ifdef CMSPAR
case (PARENB | CMSPAR):
lpdcb->Parity = MARKPARITY;
break;
case (PARENB | PARODD | CMSPAR):
lpdcb->Parity = SPACEPARITY;
break;
#endif
}
if (port.c_cflag & CSTOPB)
lpdcb->StopBits = TWOSTOPBITS;
if(lpdcb->ByteSize == 5)
lpdcb->StopBits = ONE5STOPBITS;
else
lpdcb->StopBits = TWOSTOPBITS;
else
lpdcb->StopBits = ONESTOPBIT;
lpdcb->StopBits = ONESTOPBIT;
lpdcb->fNull = 0;
lpdcb->fBinary = 1;