Revision 1:088d1710de36, committed 2015-03-26

Comitter:

rosienej

Date:

Thu Mar 26 17:11:27 2015 +0000

Parent:

0:216a04cfcd28

Commit message:

comments and doc

Changed in this revision

--- a/DMX.lib	Thu Mar 05 21:31:34 2015 +0000
+++ b/DMX.lib	Thu Mar 26 17:11:27 2015 +0000
@@ -1,1 +1,1 @@
-http://developer.mbed.org/users/rosienej/code/DMX-K46Z/#84a017ef96f8
+http://developer.mbed.org/users/rosienej/code/DMX-K46Z/#b1942f266f49

--- a/main.cpp	Thu Mar 05 21:31:34 2015 +0000
+++ b/main.cpp	Thu Mar 26 17:11:27 2015 +0000
@@ -26,23 +26,72 @@
    Servo Shutter(PTC1);  // put this on a PWM pin
 
 // The DMX protocol
-   DMX dmx(PTE16, PTE17);  // put it on a serial port DMX (PinName p_tx, PinName p_rx); 
+   DMX dmx(PTE22, PTE23);  // put it on a serial port DMX (PinName p_tx, PinName p_rx); 
 
 int main()
 {
     
+    int          DMX_ADDR=0;            // DMX_ADDR set from the config file
+    unsigned int DMX_VALUE=0;           // This value is set from the DMX stream
+  //  unsigned int DMX_LAST_VALUE=0;
+    int          DMX_MSG_COUNT=0;       // A counter for diagnostic purposes
+    int          DMX_STATUS;
     
-    int position1 =0;
-    int position2 =0;
+    int          position1 =0;
+    int          position2 =0;
+    float        pos=0.0;
+    
+    
     S1o=1;
     S2o=1;
     
-    while (true) {
+    Shutter.calibrate(0.0008,180);  // Calibrate the servo
+    
+  /*  while (true) {
        position1 = S1i0 + (S1i1<<1);
        position2 = S2i0 + (S2i1<<1);
        
        slcd.Home();
        slcd.printf("%2d",position1*4+position2);
        
+       pos = pos + 0.01;
+       pos=(pos>1.0)?0.0:pos;
+       
+       Shutter = pos;
+       wait(0.1);
+    } */
+    
+    DMX_MSG_COUNT=0;        // set the number of (unique) messages so far to zero
+    while(true) {              // until power off.....
+    
+        position1 = S1i0 + (S1i1<<1);
+        position2 = S2i0 + (S2i1<<1);
+    
+        DMX_ADDR = 200+position1*4+position2;  // 1 to MaxDMX
+    
+        DMX_STATUS=dmx.get_mode_rx();
+        if(DMX_STATUS==DMX_MODE_BEGIN) {LD1= 0; LD2 = 1;}
+        if(DMX_STATUS==DMX_MODE_BREAK) {LD1= 1; LD2 = 0;}
+        if(DMX_STATUS==DMX_MODE_DATA)  {LD1= 1; LD2 = 1;}
+        if(DMX_STATUS==DMX_MODE_ERROR) {LD1= 0; LD2 = 0;}
+        
+        
+        DMX_VALUE= dmx.get(DMX_ADDR-1);      // get the data from the stream 
+     //   if(DMX_VALUE == DMX_LAST_VALUE) continue;  // ignore if it is the same as the last one
+                                                   // best as I can tell, the libary routine has a 
+                                                   // bug, (is_recived = 1; in break time should be a zero
+                                                   // ignoring repeated values has the same result.  
+                                                   
+     //   DMX_LAST_VALUE = DMX_VALUE;
+        DMX_MSG_COUNT++;                   // update the count
+        pos = (1.0*DMX_VALUE)/(1.0*255);   // calculate the shutter position 
+        Shutter.write(pos);                // position the servo
+                                           // Print the message
+        slcd.Home();                                   
+        slcd.printf("%3d        ",DMX_ADDR);                                   
+       //slcd.printf("%d-->%4.2f",DMX_VALUE,pos);
+        
     }
+    
+ 
 }
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