mspm0_pwm.hpp

#pragma once
 
#include "pwm.hpp"
#include "ti_msp_dl_config.h"  // IWYU pragma: keep; required for GPTIMER_Regs and DL_TIMER_CC_INDEX
 
namespace LibXR
{
 
class MSPM0PWM : public PWM
{
 public:
  struct Resources
  {
    GPTIMER_Regs* timer;
    DL_TIMER_CC_INDEX channel;
    uint32_t clock_freq;
  };
 
  MSPM0PWM(Resources res);
 
  static uint32_t SourceClockFromSysCfg(GPTIMER_Regs* timer, uint32_t timer_clock_hz);
 
  ErrorCode SetDutyCycle(float value);
 
  ErrorCode SetConfig(Configuration config);
 
  ErrorCode Enable();
 
  ErrorCode Disable();
 
 private:
  GPTIMER_Regs* timer_;
  DL_TIMER_CC_INDEX channel_;
  uint32_t clock_freq_;
};
 
#define MSPM0_PWM_CH(name, ch)                                                      \
  ::LibXR::MSPM0PWM::Resources                                                      \
  {                                                                                 \
    name##_INST, DL_TIMER_CC_##ch##_INDEX,                                          \
        ::LibXR::MSPM0PWM::SourceClockFromSysCfg(name##_INST, name##_INST_CLK_FREQ) \
  }
 
}  // namespace LibXR