- fixed an issue when trying to drive a device not yet started up

ease.c

@@ -150,12 +150,19 @@ void EaseSavePars(void) {
 }
 /*----------------------------------------------------------------------------*/
 int EaseHandler(EaseBase *eab) {
-  EaseDriv *ead;
+  EaseDriv *ead = EaseDrivCast(eab);;
   int iret;
       
-  ead = EaseDrivCast(eab);
-  
   EaseSavePars();
+  if (ead && ead->stopped && ead->hwstate == HWBusy) {
+    ead->stopped = 0;
+    ead->hwstate = HWIdle;
+    if (FsmStop(eab->task, eab->doit)) {
+      ParPrintf(eab, -1, "%s stopped", eab->p.name);
+      return 0;
+    }
+  }
+
   if (eab->state == EASE_expect) {
     if (eab->cmdtime !=0 && time(NULL) > eab->cmdtime + eab->p.period*2) {
       snprintf(eab->msg, sizeof eab->msg, "no response since %d sec",
@@ -200,14 +207,6 @@ int EaseHandler(EaseBase *eab) {
       }
       return 0;
     }
-    if (ead->stopped && ead->hwstate == HWBusy) {
-      ead->stopped = 0;
-      ead->hwstate = HWIdle;
-      if (FsmStop(eab->task, eab->doit)) {
-        ParPrintf(eab, -1, "%s stopped", eab->p.name);
-        return 0;
-      }
-    }
   } else {
     if (eab->state == EASE_lost) {
       return 0;
@@ -258,6 +257,7 @@ static long EaseIdle(long pc, void *object) {
     FsmCall(todo);
   return __LINE__; case __LINE__: /**********************************/
 
+    eab->startOk = 1;
   rd:
     /*
     if (eab->state == EASE_lost) {
@@ -365,15 +365,20 @@ static long EaseRun(void *obj, SConnection *pCon, float fVal) {
   
   assert(ead );
 
+  SCSave(&eab->p.conn, pCon);
   if (! eab->doit) {
-    ParPrintf(ead, -1, "missing run function %s", eab->p.name);
+    ParPrintf(ead, -1, "ERROR: missing run function %s", eab->p.name);
+    return 0;
+  }
+  if (!eab->startOk) {
+    ParPrintf(ead, -1, "ERROR: %s is not ready to run", eab->p.name);
     return 0;
   }
   if (FsmStop(eab->task, eab->doit)) {
     ParPrintf(ead, -1, "running %s cancelled", eab->p.name);
   }
   if (eab->todo) {
-    ParPrintf(ead, -1, "%s busy", eab->p.name);
+    ParPrintf(ead, -1, "ERROR: %s busy", eab->p.name);
     return 0;
   }
   ead->targetValue = fVal;
@@ -438,6 +443,9 @@ static int EaseCheckStatus(void *obj, SConnection *pCon) {
   
   assert(ead);
   SCSave(&ead->b.p.conn, pCon);
+  if (ead->stopped) {
+    return HWIdle;
+  }
   now = time(NULL);
   if (now > ead->timeout) {
     ParPrintf(obj, eWarning, "maxwait expired when driving %s", ead->b.p.name);
@@ -500,6 +508,7 @@ static int EaseRestart(EaseBase *eab) {
     FsmStop(eab->task, eab->idle);
     FsmRestartTask(eab->task, eab->idle);
   }
+  eab->startOk = 0;
   eab->todo = eab->start;
   eab->state = EASE_connecting;
   iRet = initRS232WithFlags(eab->ser, 3);
@@ -579,6 +588,7 @@ static int EaseInit(SConnection *pCon, EaseBase *eab, int argc, char *argv[],
   }
   eab->ser = ser;
 
+  eab->startOk = 0;
   eab->errCode = 0;
   eab->cmdtime = 0;
   eab->version[0] = '\0';

ease.h

@@ -39,7 +39,7 @@ typedef struct {
   int errCode; /* error code of last operation. not changed on success  */
   EaseState state;
   time_t cmdtime;
-  int syntax; /* not used in ease, may be used by the driver. used by oicom */
+  int syntax; /* not used in ease, may be used by the driver. used by oxinst.c */
   char cmd[32];
   char ans[64];
   char version[64];
@@ -47,6 +47,7 @@ typedef struct {
   int maxflag;
   time_t readPeriod;
   unsigned long *updateFlags;
+  int startOk;
 } EaseBase;
 
 typedef struct {