#pragma once #include namespace Linux { #define MAX_ZYNQ_PWMS 8 /* number of pwm channels */ class RCOutput_ZYNQ : public AP_HAL::RCOutput { public: void init(); void set_freq(uint32_t chmask, uint16_t freq_hz); uint16_t get_freq(uint8_t ch); void enable_ch(uint8_t ch); void disable_ch(uint8_t ch); void write(uint8_t ch, uint16_t period_us); uint16_t read(uint8_t ch); void read(uint16_t* period_us, uint8_t len); private: static const int TICK_PER_US=100; static const int TICK_PER_S=100000000; // Period|Hi 32 bits each struct s_period_hi { uint32_t period; uint32_t hi; }; struct pwm_cmd { struct s_period_hi periodhi[MAX_ZYNQ_PWMS]; }; volatile struct pwm_cmd *sharedMem_cmd; }; }