Changes between Version 6 and Version 7 of Docs/Prog/Manual/ApplicationLibraries/lib825ev/Weight

Timestamp:

08/21/10 15:43:30 (15 years ago)

Author:

Don Wilson

Comment:

--

Docs/Prog/Manual/ApplicationLibraries/lib825ev/Weight

@@ -1 +1 @@
 = Weighing Functions =
 
+This is an example of a very simple weight indicator that displays the gross weight and provides a "Zero" and "Quit" button.
+
+simple_ind.h
+{{{
+#pragma once
+
+EVENT(MainScreenShow);
+EVENT(MainScreenProcess);
+EVENT(Zero);
+EVENT(Quit);
+}}}
+
+simple_ind.cpp
+{{{
+#include "cardinal825.h"
+
+#include "simple_ind.h"
+
+int main(int ac,char **av)
+{
+        InitLCD();
+
+        ReadTouchCal();
+        OpenBeeper();
+        OpenTouch();
+
+        MnBdStartup();
+
+        FORM_INIT(Main, EventMainScreenShow, EventMainScreenProcess, NULL, NULL, nFormFlgNone);
+        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);
+
+        FORM_SHOW(Main);
+        FORM_RUN(Main);
+        FORM_HIDE(Main);
+
+        MnBdShutdown();
+
+        return 0;
+}
+
+EVENT(MainScreenShow)
+{
+        ClearLCD();
+        DisplayText(0, 0, "Simple Weight Indicator");
+        return 0;
+}
+
+EVENT(MainScreenProcess)
+{
+        int n = MnBdProcess();
+        if(n == mnbdProcWtRcv)
+        {
+                if(IsGrossWtChanged(1))
+                {
+                        DisplayText(0, 40, GetChangedGrossWt(1), 0, BIG_FONT);
+                }
+        }
+
+        return 0;
+}
+
+EVENT(Zero)
+{
+        ZeroScale(1);
+        return 0;
+}
+
+EVENT(Quit)
+{
+        // Return non-zero to exit the form
+        return 1;
+}
+}}}
+
 [[TOC(inline, depth=1, noheading, Docs/Prog/Manual/ApplicationLibraries/lib825ev/Weight/*)]]