Diff: my_pwm_out.h

Revision:

0:ff5187998c84

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/my_pwm_out.h	Fri Feb 01 15:24:15 2013 +0000
@@ -0,0 +1,51 @@
+/*
+mbed touchpad & accelerometer experiments.
+
+CPV, 14/09/2009
+*/
+
+
+#ifndef __MY_PWM_OUT_H__
+#define __MY_PWM_OUT_H__
+
+
+#include "PwmOut.h"
+namespace mbed
+{
+
+class MyPwmOut : public PwmOut
+{
+public:
+  /* Constructor: PwmOut
+   *  Create a PwmOut connected to the specified pin
+   *
+   * Variables:
+   *  pin - PwmOut pin to connect to
+   */
+  MyPwmOut(PinName pin, const char *name = NULL);
+  
+  /* Function: set
+   *  Set the PWM period, specified in seconds (float)
+   *  and the ouput duty-cycle, specified as a percentage (float)
+   *
+   * Variables:
+   *  period - A floating-point value representing the output period, 
+   *    specified in seconds.
+   *  duty_cycle - A floating-point value representing the output duty-cycle, 
+   *    specified as a percentage. The value should lie between
+   *    0.0f (representing on 0%) and 1.0f (representing on 100%).
+   *    Values outside this range will be saturated to 0.0f or 1.0f.     
+   */
+  void set(float period, float duty_cycle);
+  
+  float get_pclk(void);
+
+protected:
+  float m_pclk;
+  uint32_t m_channel;
+  uint32_t *m_p_mrx;
+};
+
+} // namespace mbed
+
+#endif // __MY_PWM_OUT_H__