#ifndef _HARDWARE_H
#define _HARDWARE_H

/* pin assignments */
// LED_BUILTIN = 2
// KEY_BUILTIN = 0
static constexpr uint8_t buttonPin = 0;
static constexpr uint8_t sensorPin = 0;
static constexpr uint8_t rotaryPinA = 39;
static constexpr uint8_t rotaryPinB = 38;
static constexpr uint8_t rotaryPinButton = 2;
static constexpr uint8_t PROGMEM LED_PIN = 21;
static constexpr uint8_t PROGMEM NUM_LEDS = 10;
#define LED_TYPE	WS2812B
#define COLOR_ORDER	GRB
static constexpr uint8_t ext_wakeup_pin_1 = 0;
static constexpr uint8_t ext_wakeup_pin_2 = 0;

static constexpr uint32_t secondsToSleep = 30*60;
static constexpr int batteryLimit = 2800;


/* Wiring (Heltec OLED Lora)
 *              GND O                    O GND
 *               5V O                    O 5V
 *              3V3 O                    O 3V3
 *              GND O                    < 36           only input, no pullups
 *               RX * (3)                < 37           only input, no pullups
 *               TX * (1)                < 38 ROTARY_A  only input, no pullups
 *              RST * BUTTON             < 39 ROTARY_B  only input, no pullups
 *                0 * KEY_BUILTIN        < 34           only input, no pullups
 *               22 * ?                  < 35           only input, no pullups
 * BME280_SDO    19 * LoRa_MISO       ?  * 32
 * BME280_CS     23 *                 ?  * 33
 *               18 x LoRa_CS            * 25 MAX98_DIN
 * BME280_SCL/SCK 5 * LoRa_SCK  LoRa_IRQ * 26
 *               15 * OLED_SCL LoRa_MOSI * 27 BME280_SDA/SDI
 *     ROTARY_BTN 2 * LED_B     LoRa_RST * 14
 *                4 * OLED_SDA           * 12 MAX98_BCLK
 *               17 *                    * 13 MAX98_LRC
 *               16 * OLED_RST           * 21 WS2812B_DATA(?)
 */

/* Rotary Encoder
 *           1 LED
 * pinA A    2 LED         pinA und PinB mit zusätzlichen externen Pullups
 * GND  C    3 BTN -|   --ROTARY_BTN
 * pinB B    4 LED   /
 *           5 Vin -|	--R?--3V3
 */

/* load-shedding idea:                +5V
 *                                     |
 *                      ---R2(1k)------|
 *                     |               |
 *                     o------------|--| Q2
 *                     |            |>-° P-Channel MOSFET
 *                     |            |--  IRF9350 / SUP75P03-07-E3
 *                   |/ T1             |
 * gpio ---R1(10k)---|  2N2904          ---- LED/AMP Power 5V
 *                   |\
 *                     v
 *                     |
 *                    GND
 * (https://www.pjrc.com/teensy/td_libs_OctoWS2811.html)
 * (https://learn.adafruit.com/rgb-led-strips/usage) (IRLB8721 N-Channel)
 */


#endif /* _HARDWARE_H */