Commit cdd2c919 authored by Birte Kristina Friesel's avatar Birte Kristina Friesel
Browse files

blinkencat: show approximate charge level on power-on

parent de23a470

src/app/blinkencat3/main.cc

+15 −3
Original line number Diff line number Diff line
@@ -17,6 +17,7 @@ class Blinkencat { 
	public:

		enum Mode : uint8_t {

			OFF = 0,

			CHARGE_LEVEL,

			RGBWHEEL_FAST,

			RGBWHEEL_SLOW,

			RGBFADE_FAST,
@@ -32,6 +33,7 @@ class Blinkencat { 
		};



		Mode mode;

		uint16_t vcc;



		void setup(void);

		void next_mode(void);
@@ -42,7 +44,7 @@ class Blinkencat { 
		void idle(void);

		void loop(void);



		Blinkencat() : btn_debounce(0), mode(OFF) {}

		Blinkencat() : btn_debounce(0), mode(OFF), vcc(0) {}

};



void Blinkencat::setup(void)
@@ -109,14 +111,14 @@ void Blinkencat::check_battery(void) 
		uint8_t adcr_l = ADCL;

		uint8_t adcr_h = ADCH;

		uint16_t adcr = adcr_l + (adcr_h << 8);

		uint16_t vcc = 1100L * 1023 / adcr;

		vcc = 1100L * 1023 / adcr;



		TIFR1 |= _BV(TOV1);

		ADCSRA |= _BV(ADIF);



		//kout << "VCC is " << vcc << endl;

		// 3.1 V under load ~~ 3.5 V idle

		if (vcc < 3100) {

		if (vcc < 3000) {

			for (uint8_t i = 0; i < 5; i++) {

				for (uint8_t i = 0; i < NUM_PIXELS; i++) {

					np.setPixelColor(i, np.Color(0, 0, 0));
@@ -190,6 +192,16 @@ void Blinkencat::loop(void) 
			np.show();

			sleep();

			break;

		case CHARGE_LEVEL:

			for (uint8_t i = 0; i < NUM_PIXELS; i++) {

				if (i < ((vcc - 3400) * NUM_PIXELS / 700)) {

					np.setPixelColor(i, np.Color((vcc < 3850) * 200, (vcc > 3700) * 200, 0));

				}

			}

			np.show();

			_delay_ms(2000);

			mode = RGBWHEEL_FAST;

			// fall-through

		case RGBWHEEL_FAST:

		case RGBWHEEL_SLOW:

			for (uint16_t i = 0; i < NUM_PIXELS; i++) {