#include "Comms.h"
#include "Config.h"
#include <RF24.h>
#include <SPI.h>

static RF24 radio(RADIO_CE_PIN, RADIO_CSN_PIN);

bool Comms::begin() {
  radio_present_ = radio.begin();
  if (radio_present_) {
    radio.openReadingPipe(1, RADIO_ADDRESS);
    radio.setPALevel(RF24_PA_LOW);
    radio.setDataRate(RF24_250KBPS);
    radio.setChannel(96);          // pick one clear of your local Wi-Fi
    radio.startListening();
  }
  return radio_present_;
}

void Comms::update() {
  if (radio_present_) {
    while (radio.available()) {
      radio.read(&packet_, sizeof(packet_));
      last_rx_ms_ = millis();
    }
  }
  link_ok_ = (millis() - last_rx_ms_) < (uint32_t)(LINK_TIMEOUT_SEC * 1000);
}