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);
 
  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_;
};
 
// Helper macro to define PWM instance resources from SysConfig macros
#define MSPM0_PWM_CH(name, ch)                                          \
  LibXR::MSPM0PWM::Resources                                            \
  {                                                                     \
    name##_INST, DL_TIMER_CC_##ch##_INDEX,                              \
        name##_INST_CLK_FREQ* LibXR::MSPM0Config::name##_INST_CLK_DIV*( \
            LibXR::MSPM0Config::name##_INST_CLK_PSC + 1)                \
  }
 
}  // namespace LibXR