MAV'RIC
/home/travis/build/lis-epfl/MAVRIC_Library/hal/avr32/pwm_avr32.hpp
00001 /*******************************************************************************
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00031 
00032 /*******************************************************************************
00033  * \file pwm_avr32.hpp
00034  *
00035  * \author MAV'RIC Team
00036  * \author Felix Schill
00037  * \author Julien Lecoeur
00038  * \author Nicolas Dousse
00039  *
00040  * \brief   This file is the driver for pwm servos
00041  *
00042  ******************************************************************************/
00043 
00044 
00045 #ifndef PWM_SERVOS_AVR32_HPP_
00046 #define PWM_SERVOS_AVR32_HPP_
00047 
00048 #include <cstdbool>
00049 #include <cstdint>
00050 
00051 #include "hal/common/pwm.hpp"
00052 
00053 
00054 class Pwm_avr32: public Pwm
00055 {
00056 public:
00062     Pwm_avr32(uint8_t id);
00063 
00064 
00070     bool init(void);
00071 
00072 
00080     bool set_pulse_width_us(uint16_t pulse_us);
00081 
00082 
00090     bool set_period_us(uint16_t period_us);
00091 
00092 
00093 private:
00097     void write_channel(void);
00098 
00099 
00100     uint8_t id_;            
00101     uint8_t channel_id_;    
00102 
00103     // this is static because each channel controls 2 pwm lines and is thus
00104     // shared by two objects
00105     static uint32_t pulse_us_[8];
00106     static uint32_t period_us_[8];
00107 };
00108 
00109 #endif /* PWM_AVR32_HPP_ */
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