Diff: Servo.cpp

Revision:

0:58e350255405

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Servo.cpp	Mon Feb 22 15:26:37 2016 +0000
@@ -0,0 +1,42 @@
+/*
+
+Copyright (c) 2012-2014 RedBearLab
+
+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 "Servo.h"
+
+Servo::Servo(PinName pin) : _servo(pin)
+{
+    _servo.period_ms(20);
+}
+
+Servo::~Servo(void)
+{
+    
+}
+
+void Servo::write(unsigned char degree)
+{
+    convert(degree);
+    _servo.pulsewidth_us(pulse);
+}
+
+void Servo::convert(unsigned char degree)
+{
+    // 0~180 degree correspond to 500~2500
+    pulse = degree * 11 + 500;
+}
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