lightleveltest.cpp

#include "MicroBit.h"

MicroBit uBit;
MicroBitSerial serial(USBTX, USBRX);

uint8_t lightLevel;

void lightLevelReady(MicroBitEvent) {
  lightLevel = uBit.display.readLightLevel();
  serial.send(lightLevel);
  serial.send("\r\n");
}

int main() {
  uBit.init();
  uBit.messageBus.listen(MICROBIT_ID_DISPLAY, MICROBIT_DISPLAY_EVT_LIGHT_SENSE, lightLevelReady);
  uBit.display.readLightLevel();
  while (1) {
    fiber_sleep(20);
  }
}