Module 1 Button Left -- Battery voltage detection
void showVoltage ()
{
static uint64_t timeStamp = 0 ;
if (millis () - timeStamp > 1000 ) {
timeStamp = millis ();
uint16_t v = analogRead (ADC_PINS );
float battery_voltage = ((float )v / 4095.0 ) * 2.0 * 3.3 * (vref / 1000.0 );
#ifdef ENABLE_SSD1306
String voltage = "Voltage :" + String (battery_voltage ) + "V" ;
oled .clear ();
oled .drawString (oled .getWidth () / 2 , oled .getHeight () / 2 , voltage );
oled .display ();
#else
Serial .println ("DEBUG: Value: " + String (v ) + " ,Battery Voltage is" + String (battery_voltage ) + "V" );
#endif
}
}
Module 2 Button Right -- Wifi scan
switch (loop_mode ) {
case WIFI_SCAN :
wifi_test ();
loop_mode = -1 ;
break ;
}
}
Module 3 Button Up -- Deep sleep 10s
void loop ()
{
btn_loop ();
switch (loop_mode ) {
case DEEPSLEEP :
enter_sleep ();
break ;
}
}
Module 4 Button Down -- Down
void loop ()
{
btn_loop ();
switch (loop_mode ) {
case KEY1 :
oled .clear ();
oled .drawString (oled .getWidth () / 2 , oled .getHeight () / 2 , "DOWN" );
oled .display ();
loop_mode = -1 ;
break ;
}
}
Module 5 Button Center -- OK
void loop ()
{
btn_loop ();
switch (loop_mode ) {
case KEY2 :
oled .clear ();
oled .drawString (oled .getWidth () / 2 , oled .getHeight () / 2 , "OK" );
oled .display ();
loop_mode = -1 ;
break ;
}
}