Changes between Version 3 and Version 4 of Docs/Prog/Manual/DeviceSupport/Weighing

Timestamp:

02/19/10 17:03:35 (14 years ago)

Author:

Don Wilson

Comment:

--

Docs/Prog/Manual/DeviceSupport/Weighing

@@ -21 +21 @@
 
 The lib825 library provides features to facilitate access the weight information from an application program.
+
+==== Cardinal Weighing Library Functions ====
+
+Header file: mnbdcomm.h
+
+void MnBdStartup() - Opens devices for weight and other external communications
+   Parameters - None
+   Return value - None
+
+int MnBdProcess() - Services devices checking for weight or other data received
+   Parameters - None
+   Return value - 0 = idle
+                  mnbdProcWtRcv = weight data received
+
+float GetGrossWt(int scale) - Returns the gross weight
+   Parameters - scale = scale number
+   Return value - weight
+
+float GetTareWt(int scale) - Returns the tare weight
+   Parameters - scale = scale number
+   Return value - weight
+
+float GetNetWt(int scale) - Returns the net weight
+   Parameters - scale = scale number
+   Return value - weight
+
+byte GetWtStatus(int scale)
+   Parameters - scale = scale number
+   Return value - status byte bitmapped - possible bits
+      nStatusBitMotion
+      nStatusBitOverCap
+      nStatusBitBelowZero
+      nStatusBitCenterZero
+      nStatusBitError
+      nStatusBitKeypadTare
+
+bool GetMotion(int scale)
+   Parameters - scale = scale number
+   Return value - true if specified scale is in motion, otherwise false
+
+bool GetOverCap(int scale)
+   Parameters - scale = scale number
+   Return value - true if specified scale is in over capacity, otherwise false
+
+bool GetBelowZero(int scale)
+   Parameters - scale = scale number
+   Return value - true if specified scale is below zero, otherwise false
+
+bool GetCenterZero(int scale)
+   Parameters - scale = scale number
+   Return value - true if specified scale is at center of zero, otherwise false
+
+bool GetWtError(int scale)
+   Parameters - scale = scale number
+   Return value - true if specified scale is in weight error condition, otherwise false
+
+bool GetKeypadTare(int scale)
+   Parameters - scale = scale number
+   Return value - true if specified scale is in weight error condition, otherwise false
+
+int GetWtMode(int scale)
+   Parameters - scale = scale number
+   Return value - wtmode_gross, or wtmode_net mode of the specified scale
+
+void ToggleWtMode(int scale) - Toggles the specified scale between gross and net modes
+   Parameters - scale = scale number
+   Return value - None
+
+void SetWtMode(int scale, int wtmode)
+   Parameters - scale = scale number
+                wtmode = wtmode_gross, or wtmode_net
+   Return value - None
+
+int GetNumScales(void)
+   Parameters - None
+   Return value - Number of scales
+
+char* FormatGrossWt(int scale, char* buf)
+   Parameters - scale = scale number
+                buf = character array buffer for output
+   Return value - Pointer to buffer for convenience
+
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