Diff: WindowShade.cpp

Revision:

4:c593741df37e

Parent:

2:24fd130c3600

--- a/WindowShade.cpp	Fri Oct 04 10:12:16 2013 +0000
+++ b/WindowShade.cpp	Fri Oct 04 10:38:42 2013 +0000
@@ -1,1 +1,111 @@
+/* WindowShade.cpp
+   Rob Dobson 2013
+   More details at http://robdobson.com/2013/10/moving-my-window-shades-control-to-mbed/
+*/
+
 #include "WindowShade.h"
+
+WindowShade::WindowShade(char* name, PinName up, PinName stop, PinName down)
+{
+    strncpy(_shadeName, name, MAX_SHADE_NAME_LEN);
+    _shadeName[MAX_SHADE_NAME_LEN-1] = '\0';
+    _pUpPin = new DigitalOut(up);
+    _pStopPin = new DigitalOut(stop);
+    _pDownPin = new DigitalOut(down);
+    _msTimeout = 0;
+    _tickCount = 0;
+    
+}
+
+void WindowShade::ClearOutputs()
+{
+     // Clear any existing command
+    _msTimeout = 0;
+    _tickCount = 0;
+    *_pUpPin = false;
+    *_pStopPin = false;
+    *_pDownPin = false;
+}
+
+void WindowShade::SetTimedOutput(DigitalOut* pPin, bool state, long msDuration, bool bClearExisting)
+{
+//            printf("Setting %s %d %ld %d\n\r", _shadeName, state, msDuration, bClearExisting);
+
+    if (bClearExisting)
+        ClearOutputs();
+    *pPin = state;
+    if (msDuration != 0)
+    {
+        _msTimeout = msDuration;
+        _tickCount = 0;
+    }
+}
+
+void WindowShade::CheckTimeouts(int tickMs)
+{
+    // Couldn't get Timer to work so doing with a tick-count
+    if (_msTimeout != 0)
+    {
+        _tickCount++;
+        if ((_tickCount-1)*tickMs > _msTimeout)
+        {
+            ClearOutputs();
+            _msTimeout = 0;
+        }
+    }
+}
+
+void WindowShade::DoCommand(char* pDirn, char* pDuration)
+{
+//            printf("DoCommand %s %s %s\n\r", _shadeName, pDirn, pDuration);
+    
+    // Duration and state
+    int state = false;
+    int msDuration = 0;
+    if (strcmp(pDuration, "on") == 0)
+    {
+        state = true;
+        msDuration = MAX_SHADE_ON_MILLSECS;
+    }
+    else if (strcmp(pDuration, "off") == 0)
+    {
+        state = false;
+        msDuration = 0;
+    }
+    else if (strcmp(pDuration, "pulse") == 0)
+    {
+        state = true;
+        msDuration = PULSE_ON_MILLISECS;
+    }
+    
+    // Direction & config
+    if (strcmp(pDirn, "up") == 0)
+    {
+        SetTimedOutput(_pUpPin, state, msDuration, true);
+    }
+    else if (strcmp(pDirn, "stop") == 0)
+    {
+        SetTimedOutput(_pStopPin, state, msDuration, true);
+    }
+    else if (strcmp(pDirn, "down") == 0)
+    {
+        SetTimedOutput(_pDownPin, state, msDuration, true);
+    }
+    else if (strcmp(pDirn, "setuplimit") == 0)
+    {
+        SetTimedOutput(_pStopPin, state, 0, true);
+        SetTimedOutput(_pDownPin, state, msDuration, false);
+    }
+    else if (strcmp(pDirn, "setdownlimit") == 0)
+    {
+        SetTimedOutput(_pStopPin, state, 0, true);
+        SetTimedOutput(_pUpPin, state, msDuration, false);
+    }
+    else if (strcmp(pDirn, "resetmemory") == 0)
+    {
+        SetTimedOutput(_pStopPin, state, 0, true);
+        SetTimedOutput(_pDownPin, state, 0, false);
+        SetTimedOutput(_pUpPin, state, msDuration, false);
+    }                            
+    
+}
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