A Servo control library that works on any output pin, not just the PWM pins

Dependents:   PES2_Board_Servo

Files at this revision

API Documentation at this revision

Comitter:
bloodline
Date:
Wed Oct 13 23:53:29 2010 +0000
Commit message:

Changed in this revision

UniServ.cpp Show annotated file Show diff for this revision Revisions of this file
UniServ.h Show annotated file Show diff for this revision Revisions of this file
diff -r 000000000000 -r dde1a0011645 UniServ.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/UniServ.cpp	Wed Oct 13 23:53:29 2010 +0000
@@ -0,0 +1,55 @@
+/* UniServ Servo Library
+ * Copyright (c) 2010 Matt Parsons
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+ 
+ #include "mbed.h"
+ #include "UniServ.h"
+ 
+    UniServ::UniServ(PinName pin) : ServPin(pin){
+        Period=20000;
+        Position=1500;
+        ServMin=400;
+        ServMax=2600;
+    
+      Pulse.attach_us(this,&UniServ::SigStart,Period);
+     }
+ 
+    void UniServ::SigStart(){
+        ServPin=1;
+        PulseEnd.attach_us(this,&UniServ::SigStop,Position);   
+     }
+ 
+    void UniServ::SigStop(){
+        ServPin=0;
+     }
+ 
+    void UniServ::write_us(int PosIn){
+        Position=PosIn;
+        if(PosIn<ServMin){Position=ServMin;}
+        if(PosIn>ServMax){Position=ServMax;}
+     }
+     
+     int UniServ::read_us(){
+        return Position;
+     }
+        
+ 
+ 
\ No newline at end of file
diff -r 000000000000 -r dde1a0011645 UniServ.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/UniServ.h	Wed Oct 13 23:53:29 2010 +0000
@@ -0,0 +1,50 @@
+/* UniServ Servo Library
+ * Copyright (c) 2010 Matt Parsons
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+ 
+ #ifndef MBED_UNISERVE_H
+ #define MBED_UNISERVE_H
+ 
+ #include "mbed.h"
+ 
+ class UniServ{
+ 
+ public:
+    UniServ(PinName);
+    void write_us(int);
+    int read_us();
+    
+ private:
+    void SigStart();
+    void SigStop();
+    DigitalOut ServPin;
+    int Period;
+    int Position;
+    int ServMin;
+    int ServMax;
+    Ticker Pulse;
+    Timeout PulseEnd;
+ 
+ };
+    
+    
+#endif
+    
\ No newline at end of file