Hrmph ... let me try again.
program snchygrometer
%%#include <ctype.h>
%%#include <stdlib.h>
%%#include <stdio.h>
string roba;
assign roba to "rawdata" ;
monitor roba;
evflag roba_mon;
sync roba roba_mon;
float channel[5] ;
assign channel[0] to "PV1";
assign channel[1] to "PV2";
assign channel[2] to "PV3";
assign channel[3] to "PV4";
assign channel[4] to "PV5";
int chanNum;
float value;
ss string_handler {
state init {
when () {
efClear(roba_mon);
} state convert_my_string
}
state convert_my_string {
when (efTest(roba_mon)) {
/* roba is the string received from the device: "1+32.23" or
"2-50.01" */
sscanf(roba, "%1d%f", &chanNum, &value);
if ( (1 <= chanNum) && (chanNum <= 5) ) {
channel[chanNum-1] = value;
pvPut(channel[chanNum-1]);
}
efClear(roba_mon);
} state convert_my_string
}
}
Pete Jemian wrote:
>
> Something is not right with the fragment you sent.
> You start an escaped C block with "%{" but that block is never closed.
> So, the SNL compiler passes the rest of the code to the C compiler
> which does not have a definition for roba.
>
> Try something like this:
>
> ss string_handler {
> state stateN {
> when () {
> /* rob_pj is the string received from the device: "1+32.23" or
> "2-50.01" */
> sscanf(rob_pj, "%d%f", &chanNum, &value);
> if ( (1 <= chanNum) && (chanNum <= 5) ) {
> channel[chanNum-1] = value;
> pvPut(channel[chanNum-1]);
> }
> } state stateN
> }
> }
>
>
> Pete
>
> Jiro Fujita wrote:
>> Eric,
>> Here is what the code looks like right now:
>>
>> program snchygrometer
>>
>> %%#include <ctype.h>
>> %%#include <stdlib.h>
>> %%#include <stdio.h>
>>
>> %%char rob[10] ;
>> char *roba;
>> assign roba to "rawdata" ;
>> monitor roba ;
>> float ch1 ;
>> float ch2 ;
>> float ch3 ;
>> float ch4 ;
>> float ch5 ;
>> assign ch1 to "PV1";
>> assign ch2 to "PV2";
>> assign ch3 to "PV3";
>> assign ch4 to "PV4";
>> assign ch5 to "PV5";
>>
>> %%int v ;
>> %%int z ;
>> %%extern char *wa1 ;
>> %%char *sign="+-" ;
>>
>> %{
>> when()
>> {
>> rob=&roba; /*i dont know how to do this & wont work w/ roba as just
>> rob*/
>> v=rob[0]; /*Get first char from string*/
>> wa1=strpbrk(rob, "+-"); /*Break string at +-,rest is wa1*/
>> z=(float)wa1; /*convert string to float z*/
>>
>> ss ss1 {
>> state state1 {
>> when ( v==1) {
>> ch1 = z; pvPut(ch1);
>> } state state2
>> }
>> state state2 {
>> when ( v==2) {
>> ch2 = z; pvPut(ch2);
>> } state state3
>> }
>> state state3 {
>> when ( v==3) {
>> ch3 = z; pvPut(ch3);
>> } state state4
>> }
>> state state4 {
>> when ( v==4) {
>> ch4 = z; pvPut(ch4);
>> } state state5
>> }
>> state state5 {
>> when ( v==5) {
>> ch5 = z; pvPut(ch5);
>> } state state1
>> }
>> }
>>
>>
>> (This is the entire code).
>> and here is the error we are getting:
>>
>> make[3]: Entering directory
>> `/home/sysuser/epics3.14.8.2/hygrometerApp/hygrometerApp/src/O.linux-x86'
>>
>> /usr/bin/gcc -c -D_POSIX_C_SOURCE=199506L -D_POSIX_THREADS
>> -D_XOPEN_SOURCE=500 -D_X86_ -DUNIX -D_BSD_SOURCE -Dlinux
>> -D_REENTRANT -ansi -O3 -Wall -g -I. -I..
>> -I../../../include/os/Linux -I../../../include
>> -I/home/sysuser/epics3.14.8.2/base-3.14.8.2/../modules/soft/seq-2.0.11/include/os/Linux
>>
>> -I/home/sysuser/epics3.14.8.2/base-3.14.8.2/../modules/soft/seq-2.0.11/include
>>
>> -I/home/sysuser/epics3.14.8.2/base-3.14.8.2/include/os/Linux
>> -I/home/sysuser/epics3.14.8.2/base-3.14.8.2/include
>> -I/home/sysuser/epics3.14.8.2/modules/soft/asyn/4-6/include/os/Linux
>> -I/home/sysuser/epics3.14.8.2/modules/soft/asyn/4-6/include
>> sncProgram.c
>> ../sncExample.stt:35: warning: return type defaults to `int'
>> ../sncExample.stt: In function `when':
>> ../sncExample.stt:36: `roba' undeclared (first use in this function)
>> ../sncExample.stt:36: (Each undeclared identifier is reported only once
>> ../sncExample.stt:36: for each function it appears in.)
>> ../sncExample.stt:39: pointer value used where a floating point value
>> was expected
>> make[3]: *** [sncProgram.o] Error 1
>> make[3]: Leaving directory
>> `/home/sysuser/epics3.14.8.2/hygrometerApp/hygrometerApp/src/O.linux-x86'
>>
>> make[2]: *** [install.linux-x86] Error 2
>> make[2]: Leaving directory
>> `/home/sysuser/epics3.14.8.2/hygrometerApp/hygrometerApp/src'
>> make[1]: *** [src.install] Error 2
>> make[1]: Leaving directory
>> `/home/sysuser/epics3.14.8.2/hygrometerApp/hygrometerApp'
>> make: *** [hygrometerApp.install] Error 2
>>
>> What we are wondering is, why does it think rob is defaulting to int,
>> when we are setting it as char?? Obviously, there is something wrong
>> with array vs pointer (this is what I have been telling to my
>> students), but this seems to compile without any issues outside of
>> EPICS (well, the original ones we started out did, anyway).
>>
>> On 6/29/06, Eric Norum <[email protected]> wrote:
>>>
>>> I'm not sure what you have changed, but the code you posted
>>> originally seems
>>> to be mixing up the notion of "array of characters" and "pointer to
>>> character". See my comment below:
>>>
>>> program snchygrometer
>>>
>>> %%#include <ctype.h>
>>> %%#include <stdlib.h>
>>> %%#include <stdio.h>
>>>
>>> %%char rob[10] ;
>>> char *roba;
>>> assign roba to "rawdata" ;
>>> monitor roba ;
>>> float ch1 ;
>>> float ch2 ;
>>> float ch3 ;
>>> float ch4 ;
>>> float ch5 ;
>>> assign ch1 to "PV1";
>>> assign ch2 to "PV2";
>>> assign ch3 to "PV3";
>>> assign ch4 to "PV4";
>>> assign ch5 to "PV5";
>>>
>>> int v ;
>>> float z ;
>>> %%extern char *wa1 ;
>>> %%char *sign="+-" ;
>>>
>>> %{
>>> rob=&roba <<<<<<<<<<<<< EVEN WITH A SEMICOLON AT
>>> THE END
>>> THIS LINE MAKES NO SENSE.
>>> v=rob[0]; /*Get first char from string*/
>>> wa1=strpbrk(rob, "+-"); /*Break string at +-,rest is wa1*/
>>> z=(float)wa1; /*convert string to float z*/
>>> }%
>>>
>>>
>>>
>>> Perhaps you could mail me your latest code??
>>>
>>>
>>> --
>>> Eric Norum <[email protected]>
>>> Advanced Photon Source
>>> Argonne National Laboratory
>>> (630) 252-4793
>>>
>>>
>
--
----------------------------------------------------------
Pete R. Jemian, Ph.D. <[email protected]>
Beam line Controls and Data Acquisition, Group Leader
Advanced Photon Source, Argonne National Laboratory
Argonne, IL 60439 630 - 252 - 3189
-----------------------------------------------------------
Education is the one thing for which people
are willing to pay yet not receive.
-----------------------------------------------------------
