/*
  Blink_lp_timer_debug_GT832E_01
  Turns on an 'led' on/off at 10Hz
  (c)2022 Forward Computing and Control Pty. Ltd.
  This example code is in the public domain.
*/
#include <lp_timer.h>
int led = 14; // Use P0.14 has the 'led' pin
bool ledOn = false;
lp_timer ledTimer;
const unsigned long DELAY_TIME = 50; // ms == 10Hz

void setup() {
  Serial.setPins(11,12); // remap Rx to P0.11 and Tx to P0.12
  Serial.begin(115200);
  pinMode(led, OUTPUT);
  ledTimer.startTimer(DELAY_TIME, handleLedTimer);
  Serial.print("startup() completed at "); Serial.print(millis()); Serial.println("ms");
}

void loop() {
  sleep(); // just sleep here waiting for the timer to trigger
  Serial.print("loop() woke up at "); Serial.print(millis()); Serial.println("ms");
}

void handleLedTimer() {
  ledOn = !ledOn; // toggle state
  if (ledOn) {
    digitalWrite(led, HIGH);   // turn the LED on (HIGH is the voltage level)
    Serial.println('H');
  } else {
    digitalWrite(led, LOW);    // turn the LED off by making the voltage LOW
    Serial.println('L');
  }
}