 //=======================================
 
 // 'power' command
-void power() {
+void power()
+{
   cmd = buf[1];
   if (cmd == 'm') pm();
-  else
-    pp();
+  else pp();
 }
 
 void pm() {

}

// 'analogRead' command
// ex: RA0
// result in mV
void aread()
{

}

void pp() {
  pulsePin(POWER_PIN, 20);
}

//=======================================

// 'battery voltage' command
// result in mV and mA
void battery()
{
  float shuntvoltage = ina219.getShuntVoltage_mV();
  float busvoltage = ina219.getBusVoltage_V();
  int current_mA = int(ina219.getCurrent_mA());
  unsigned long voltage = (unsigned long)(busvoltage * 1000 + shuntvoltage);
  Serial.write('b');
  Serial.println(voltage);
