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ANSI C func proto and extra arg epvxiRead() & epvxiWrite()

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This commit is contained in:
Jeff Hill
1992-08-27 19:15:18 +00:00
parent 490a5a3936
commit 980ec93eae
1 changed files with 178 additions and 79 deletions
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257
src/drv/drvEpvxiMsg.c
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@@ -40,6 +40,7 @@
* the buffer in vxi_read()
* .03 joh 060292 Added debug mode
* .04 joh 072992 added signal register for the HP1404
* .05 joh 082592 added arg to epvxiRead() and epvxiWrite()
*
*/
@@ -94,21 +95,86 @@ unsigned long vxiMsgLibDriverId = UNINITIALIZED_DRIVER_ID;
/*
* local functions
*/
void set_la();
void vxiMsgInt();
void signalHandler();
int epvxiReadSlowHandshake();
int epvxiReadFastHandshake();
int vxiMsgClose();
int vxiMsgOpen();
int vxiMsgSignalSetup();
int vxiCPU030MsgSignalSetup();
int vxiHP1404MsgSignalSetup();
int vxiAttemptAsyncModeControl();
int vxiMsgSync();
int fetch_protocol_error();
void set_la(
int la,
int *pla
);
void vxiMsgInt(
unsigned la
);
void signalHandler(
unsigned short signal
);
int epvxiReadSlowHandshake(
unsigned la,
char *pbuf,
unsigned long count,
unsigned long *pread_count,
unsigned long option
);
int epvxiReadFastHandshake(
unsigned la,
char *pbuf,
unsigned long count,
unsigned long *pread_count,
unsigned long option
);
int vxiMsgClose(
unsigned la
);
int vxiMsgOpen(
unsigned la
);
int vxiMsgSignalSetup(
void
);
int vxiCPU030MsgSignalSetup(
void
);
int vxiHP1404MsgSignalSetup(
void
);
int vxiAttemptAsyncModeControl(
unsigned la,
unsigned long cmd
);
int vxiMsgSync(
unsigned la,
unsigned resp_mask,
unsigned resp_state,
int override_err
);
int fetch_protocol_error(
unsigned la
);
/*
* should be in a header
*/
int vxi_msg_test(
unsigned la
);
int vxi_msg_print_id(
unsigned la
);
int vxi_msg_test_protocol_error(
unsigned la
);
/*
@@ -116,18 +182,19 @@ int fetch_protocol_error();
* vxi_msg_test()
*
*/
vxi_msg_test(la)
unsigned la;
vxi_msg_test(
unsigned la
)
{
char buf[512];
unsigned long count;
int status;
status = epvxiWrite(la, "*IDN?", (unsigned long)5, &count);
status = epvxiWrite(la, "*IDN?", 5, &count, epvxiWriteOptNone);
if(status != VXI_SUCCESS){
return status;
}
status = epvxiRead(la, buf, (unsigned long)sizeof(buf)-1, &count);
status = epvxiRead(la, buf, sizeof(buf)-1, &count, epvxiReadOptNone);
if(status != VXI_SUCCESS){
return status;
}
@@ -135,11 +202,11 @@ unsigned la;
buf[count] = NULL;
printf("%s %d\n", buf,count);
status = epvxiWrite(la, "*TST?", (unsigned long)5, &count);
status = epvxiWrite(la, "*TST?", 5, &count, epvxiWriteOptNone);
if(status != VXI_SUCCESS){
return status;
}
status = epvxiRead(la, buf, (unsigned long)sizeof(buf)-1, &count);
status = epvxiRead(la, buf, sizeof(buf)-1, &count, epvxiReadOptNone);
if(status != VXI_SUCCESS){
return status;
}
@@ -156,19 +223,20 @@ unsigned la;
* vxi_msg_print_id
*
*/
vxi_msg_print_id(la)
unsigned la;
int vxi_msg_print_id(
unsigned la
)
{
char buf[32];
unsigned long count;
char *pcmd = "*IDN?";
int status;
status = epvxiWrite(la, pcmd, (unsigned long) strlen(pcmd), &count);
status = epvxiWrite(la, pcmd, strlen(pcmd), &count, epvxiWriteOptNone);
if(status != VXI_SUCCESS){
return status;
}
status = epvxiRead(la, buf, (unsigned long)sizeof(buf)-1, &count);
status = epvxiRead(la, buf, sizeof(buf)-1, &count, epvxiReadOptNone);
if(status != VXI_SUCCESS){
return status;
}
@@ -185,9 +253,9 @@ unsigned la;
* vxi_msg_test_protocol_error
*
*/
int
vxi_msg_test_protocol_error(la)
unsigned la;
int vxi_msg_test_protocol_error(
unsigned la
)
{
unsigned long resp;
int i;
@@ -368,7 +436,8 @@ epvxiRead(
unsigned la,
char *pbuf,
unsigned long count,
unsigned long *pread_count
unsigned long *pread_count,
unsigned long option
)
{
VXIMDI *pvximdi;
@@ -392,7 +461,8 @@ unsigned long *pread_count
la,
pbuf,
count,
pread_count);
pread_count,
option);
}
else{
# endif
@@ -400,7 +470,8 @@ unsigned long *pread_count
la,
pbuf,
count,
pread_count);
pread_count,
option);
# ifdef FASTHANDSHAKE
}
# endif
@@ -428,12 +499,14 @@ unsigned long *pread_count
* if a card with fast handshake s found to exist
*
*/
LOCAL int
epvxiReadFastHandshake(la, pbuf, count, pread_count)
unsigned la;
char *pbuf;
unsigned long count;
unsigned long *pread_count;
LOCAL
int epvxiReadFastHandshake(
unsigned la,
char *pbuf,
unsigned long count,
unsigned long *pread_count,
unsigned long option
)
{
struct vxi_csr *pcsr;
VXIMDI *pvximdi;
@@ -543,12 +616,14 @@ exit:
/*
* epvxiReadSlowHandshake()
*/
LOCAL int
epvxiReadSlowHandshake(la, pbuf, count, pread_count)
unsigned la;
char *pbuf;
unsigned long count;
unsigned long *pread_count;
LOCAL
int epvxiReadSlowHandshake(
unsigned la,
char *pbuf,
unsigned long count,
unsigned long *pread_count,
unsigned long option
)
{
VXIMDI *pvximdi;
struct vxi_csr *pcsr;
@@ -640,19 +715,22 @@ exit:
/*
* epvxiWrite()
* (set the end bit on the last byte sent)
*/
int
epvxiWrite(
unsigned la,
char *pbuf,
unsigned long count,
unsigned long *pwrite_count
unsigned long *pwrite_count,
unsigned long option
)
{
VXIMDI *pvximdi;
struct vxi_csr *pcsr;
int i;
short cmd;
short extra;
int status;
char *pstr;
@@ -669,7 +747,14 @@ unsigned long *pwrite_count
FASTLOCK(&pvximdi->lck);
pstr = pbuf;
if(option&epvxiWriteOptPartialMsg){
extra = 0;
}
else{
extra = MBC_END;
}
for(i=0; i<count; i++){
/*
* wait for handshake
*/
@@ -683,7 +768,7 @@ unsigned long *pwrite_count
goto exit;
}
if(i == count-1){
cmd = MBC_END | MBC_BA | *pstr;
cmd = extra | MBC_BA | *pstr;
}
else{
cmd = MBC_BA | *pstr;
@@ -787,9 +872,10 @@ int enable;
*
*
*/
LOCAL int
vxiMsgClose(la)
unsigned la;
LOCAL
int vxiMsgClose(
unsigned la
)
{
int status;
VXIMDI *pvximdi;
@@ -820,9 +906,10 @@ unsigned la;
*
*
*/
LOCAL int
vxiMsgOpen(la)
unsigned la;
LOCAL
int vxiMsgOpen(
unsigned la
)
{
int status;
VXIMDI *pvximdi;
@@ -848,7 +935,7 @@ unsigned la;
pvximdi = epvxiPConfig(la, vxiMsgLibDriverId, VXIMDI *);
if(!pvximdi){
abort();
abort(0);
}
if(!vxiMsgSignalInit){
@@ -995,8 +1082,10 @@ logMsg("synchronized msg based device is ready!\n");
*
*
*/
LOCAL int
vxiMsgSignalSetup()
LOCAL
int vxiMsgSignalSetup(
void
)
{
int status;
@@ -1022,8 +1111,10 @@ vxiMsgSignalSetup()
*
*
*/
LOCAL int
vxiCPU030MsgSignalSetup()
LOCAL
int vxiCPU030MsgSignalSetup(
void
)
{
int niMsgLA;
int status;
@@ -1076,8 +1167,10 @@ logMsg("vxiCPU030MsgSignalSetup() done\n");
*
*
*/
LOCAL int
vxiHP1404MsgSignalSetup()
LOCAL
int vxiHP1404MsgSignalSetup(
void
)
{
epvxiDeviceSearchPattern dsp;
int hpMsgLA = -1;
@@ -1119,10 +1212,11 @@ vxiHP1404MsgSignalSetup()
*
*
*/
LOCAL void
set_la(la, pla)
int la;
int *pla;
LOCAL
void set_la(
int la,
int *pla
)
{
*pla = la;
}
@@ -1134,10 +1228,11 @@ int *pla;
*
*
*/
LOCAL int
vxiAttemptAsyncModeControl(la, cmd)
unsigned la;
unsigned long cmd;
LOCAL
int vxiAttemptAsyncModeControl(
unsigned la,
unsigned long cmd
)
{
int status;
unsigned long resp;
@@ -1204,12 +1299,13 @@ logMsg("connected to interrupt (la=%d)\n", la);
*
*
*/
LOCAL int
vxiMsgSync(la, resp_mask, resp_state, override_err)
unsigned la;
unsigned resp_mask;
unsigned resp_state;
int override_err;
LOCAL
int vxiMsgSync(
unsigned la,
unsigned resp_mask,
unsigned resp_state,
int override_err
)
{
VXIMDI *pvximdi;
struct vxi_csr *pcsr;
@@ -1300,9 +1396,10 @@ int override_err;
* fetch_protocol_error
*
*/
LOCAL int
fetch_protocol_error(la)
unsigned la;
LOCAL
int fetch_protocol_error(
unsigned la
)
{
VXIMDI *pvximdi;
unsigned long error;
@@ -1369,9 +1466,10 @@ unsigned la;
*
*
*/
LOCAL void
vxiMsgInt(la)
unsigned la;
LOCAL
void vxiMsgInt(
unsigned la
)
{
VXIMDI *pvximdi;
int status;
@@ -1404,9 +1502,10 @@ unsigned la;
/*
* signalHandler
*/
void
signalHandler(signal)
unsigned short signal;
LOCAL
void signalHandler(
unsigned short signal
)
{
unsigned signal_la;