#include "spi_device.h"
#include <cerrno>
#include <cstring>

void SPIDevice::ValidateMaxSpeedHz(Napi::Env env, uint32_t speed) {
  if (speed == 0) {
    throw Napi::RangeError::New(env, "'max_speed_hz' must be greater than 0");
  }
}

uint32_t SPIDevice::ParseMaxSpeedHz(const Napi::Value& val) {
  Napi::Env env = val.Env();
  if (!val.IsNumber()) {
    throw Napi::TypeError::New(env, "'max_speed_hz' must be a number");
  }
  uint32_t speed = val.As<Napi::Number>().Uint32Value();
  ValidateMaxSpeedHz(env, speed);
  return speed;
}