Changes between Version 12 and Version 13 of Docs/Prog/Manual/ApplicationLibraries/lib825ev/Weight

Timestamp:

02/25/20 16:47:03 (5 years ago)

Author:

Don Wilson

Comment:

--

Docs/Prog/Manual/ApplicationLibraries/lib825ev/Weight

@@ -8 +8 @@
 [[Image(simple_ind.png)]]
 
-simple_ind.h
+
+simple_ind.h:
 {{{
-#pragma once
+#ifndef SIMPLE_IND_H_
+#define SIMPLE_IND_H_
 
 EVENT(MainScreenShow);
-EVENT(MainScreenProcess);
 EVENT(Zero);
 EVENT(Quit);
+
+BACKGROUND_EVENT(Comm);
+
+MNBD_EVENT(MultiRcv);
+EVENT(Exit);
+
+
+
+#endif /* SIMPLE_IND_H_ */
+
 }}}
 
-simple_ind.cpp
+simple_ind.cpp:
+
 {{{
 #include "cardinal825.h"
@@ -24 +36 @@
 #include "simple_ind.h"
 
-int main(int ac,char **av)
+int main()
 {
         InitLCD();
+
+        SetCurColor(COLOR_ATTENTION);
+        DisplayText(0, 0, "Simple Indicator Example");
 
         ReadTouchCal();
@@ -34 +49 @@
         MnBdStartup();
 
-        FORM_INIT(Main, EventMainScreenShow, EventMainScreenProcess, NULL, NULL, nFormFlgNone);
+        MnBdSetEvent(MNBD_REQ_REP_MULTI, MnBdEventMultiRcv);
+        
+        SetBackgroundEvent(BackgroundEventComm);
+
+        if(StartRepeatMulti(100) != OK)
+        {
+                DisplayText(0, FONT_HEIGHT, "Error starting repeat multi");
+                return 0;
+        }
+
+        FORM_INIT(Main, EventMainScreenShow, NULL, NULL, NULL, nFormFlgNone);
+
+        FORM_ADD_BUTTON(Main, Exit, 0, FONT_HEIGHT * 12, " Exit ", 'X', EventExit, FORM_BUTTON_INVERT);
         FORM_ADD_BUTTON(Main, Zero,    0,   120,  "Zero",  'Z', EventZero,  FORM_BUTTON_OUTLINE);
         FORM_ADD_BUTTON(Main, Quit,    0,   200,  "Quit",  'Q', EventQuit,  FORM_BUTTON_OUTLINE);
@@ -41 +68 @@
         FORM_RUN(Main);
         FORM_HIDE(Main);
+
+        MnBdClearCommEvent();
+
+        StopRepeatMulti();
+        SetBackgroundEvent(NULL);
 
         MnBdShutdown();
@@ -50 +82 @@
 {
         ClearLCD();
-        DisplayText(0, 0, "Simple Weight Indicator");
+        SetCurColor(COLOR_ATTENTION);
+        DisplayText(0, 0, "Simple Indicator Example");
+
+        ResetPrevGrossWt();
         return 0;
 }
 
-EVENT(MainScreenProcess)
+EVENT(Exit)
 {
-        int n = MnBdProcess();
-        if(n == mnbdProcWtRcv)
+        return 1; // return non-zero to exit form
+}
+
+MNBD_EVENT(MultiRcv)
+{
+        int n;
+        for(n = 1; n <= GetNumScales(); n++)
         {
-                if(IsGrossWtChanged(1))
+                if(IsGrossWtChanged(n))
                 {
-                        DisplayText(0, 40, GetChangedGrossWt(1), 0, BIG_FONT);
+                        DisplayText(0, (FONT_HEIGHT * n) + FONT_HEIGHT, GetChangedGrossWt(n));
                 }
+        }
+        return 0;
+}
+
+BACKGROUND_EVENT(Comm)
+{
+        // Use MnBdRead directly to prevent overhead of MnBdProcess
+        // MnBdRead will call event MultiRcv that we registered previously when scale and DIO status is received
+
+        int n;
+        // in case we have more I/O cards than scales change this
+        for(n = 0; n <= GetNumScales(); n++)
+        {
+                // 0 = MNBD_DEV, 1 .. Scales and I/O cards
+                MnBdRead(n);
         }
 
@@ -79 +134 @@
         return 1;
 }
+
 }}}
 
+
+
+