main.cpp

#include <napi.h>
#include <cstdio>
#include "smileds.h"

void ledsInit(const Napi::CallbackInfo& info) {
  Napi::Env env = info.Env();

  int ledCount = info[0].As<Napi::Number>();
  if (!leds_init(ledCount)) {
    Napi::TypeError::New(env, "Failed").ThrowAsJavaScriptException();
  }
}

/**
 * Usage: ledSetPixel(channel, ledNr, rgbColor)
 * @param info
 */
void ledsSetPixel(const Napi::CallbackInfo& info) {
  Napi::Env env = info.Env();

  int channel = info[0].As<Napi::Number>();
  int pixel = info[1].As<Napi::Number>();

  color_t color;

  color.component.r = (uint32_t)info[2].As<Napi::Number>();
  color.component.g = (uint32_t)info[3].As<Napi::Number>();
  color.component.b = (uint32_t)info[4].As<Napi::Number>();
  color.component.a = (uint32_t)(((float)(info[5].As<Napi::Number>())) *
                                 255);  // every extra parameter takes about
                                        // 10fps in our 16*256 led test.

  leds_set_pixel(channel, pixel, color);
}

void ledsSend(const Napi::CallbackInfo& info) {
  leds_send();
}

void ledsClear(const Napi::CallbackInfo& info) {
  leds_clear();
}

static Napi::Object Init(Napi::Env env, Napi::Object exports) {
  exports["init"] = Napi::Function::New(env, ledsInit);
  exports["send"] = Napi::Function::New(env, ledsSend);
  exports["clear"] = Napi::Function::New(env, ledsClear);
  exports["setPixel"] = Napi::Function::New(env, ledsSetPixel);

  return exports;
}

NODE_API_MODULE(NODE_GYP_MODULE_NAME, Init)