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#include "Arduino.h" |
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//######################### INFOS #################################### |
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/* This is not a develboard-specific config-file. It's intended for your own use. |
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It's been originally derived from lolin32, but just change it according your needs! |
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*/ |
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//################## GPIO-configuration ############################## |
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// Please note: GPIOs 34, 35, 36, 39 are input-only and don't have pullup-resistors. |
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// So if connecting a button to these, make sure to add a 10k-pullup-resistor for each button. |
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// Further infos: https://randomnerdtutorials.com/esp32-pinout-reference-gpios/ |
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#ifdef SD_MMC_1BIT_MODE |
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// uSD-card-reader (via SD-MMC 1Bit) |
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// |
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// SD_MMC uses fixed pins |
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// MOSI 15 |
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// SCK 14 |
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// MISO 2 |
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#else |
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// uSD-card-reader (via SPI) |
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#define SPISD_CS 15 // GPIO for chip select (SD) |
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#ifndef SINGLE_SPI_ENABLE |
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#define SPISD_MOSI 13 // GPIO for master out slave in (SD) => not necessary for single-SPI |
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#define SPISD_MISO 16 // GPIO for master in slave ou (SD) => not necessary for single-SPI |
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#define SPISD_SCK 14 // GPIO for clock-signal (SD) => not necessary for single-SPI |
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#endif |
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#endif |
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// RFID (via SPI) |
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#define RST_PIN 99 // Not necessary but has to be set anyway; so let's use a dummy-number |
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#define RFID_CS 21 // GPIO for chip select (RFID) |
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#define RFID_MOSI 23 // GPIO for master out slave in (RFID) |
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#define RFID_MISO 19 // GPIO for master in slave out (RFID) |
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#define RFID_SCK 18 // GPIO for clock-signal (RFID) |
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#ifdef RFID_READER_TYPE_PN5180 |
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#define RFID_BUSY 16 // PN5180 BUSY PIN |
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#define RFID_RST 22 // PN5180 RESET PIN |
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#define RFID_IRQ 39 // PN5180 IRQ PIN (only needed for low power card detection) |
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#define BUTTON_PIN_BITMASK 0x8000000000// 2^RFID_IRQ in hex |
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#endif |
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// I2S (DAC) |
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#define I2S_DOUT 25 // Digital out (I2S) |
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#define I2S_BCLK 27 // BCLK (I2S) |
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#define I2S_LRC 26 // LRC (I2S) |
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// Rotary encoder |
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#define DREHENCODER_CLK 34 // If you want to reverse encoder's direction, just switch GPIOs of CLK with DT (in software or hardware) |
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#define DREHENCODER_DT 35 // Info: Lolin D32 / Lolin D32 pro 35 are using 35 for battery-voltage-monitoring! |
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#define DREHENCODER_BUTTON 32 // Button is used to switch ESPuino on and off |
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// Control-buttons |
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#define PAUSEPLAY_BUTTON 5 // GPIO to detect pause/play |
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#define NEXT_BUTTON 4 // GPIO to detect next |
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#define PREVIOUS_BUTTON 2 // GPIO to detect previous (Important: as of 19.11.2020 changed from 33 to 2; make sure to change in SD-MMC-mode) |
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// (optional) Power-control |
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#define POWER 17 // GPIO used to drive transistor-circuit, that switches off peripheral devices while ESP32-deepsleep |
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// (optional) Neopixel |
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#define LED_PIN 12 // GPIO for Neopixel-signaling |
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// (optinal) Headphone-detection |
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#ifdef HEADPHONE_ADJUST_ENABLE |
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#define HP_DETECT 22 // GPIO that detects, if there's a plug in the headphone jack or not |
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#endif |
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// (optional) Monitoring of battery-voltage via ADC |
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#ifdef MEASURE_BATTERY_VOLTAGE |
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#define VOLTAGE_READ_PIN 33 // GPIO used to monitor battery-voltage. Change to 35 if you're using Lolin D32 or Lolin D32 pro as it's hard-wired there! |
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float referenceVoltage = 3.35; // Voltage between 3.3V and GND-pin at the develboard in battery-mode (disconnect USB!) |
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float offsetVoltage = 0.1; // If voltage measured by ESP isn't 100% accurate, you can add an correction-value here |
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#endif |
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// (optional) For measuring battery-voltage a voltage-divider is necessary. Their values need to be configured here. |
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#ifdef MEASURE_BATTERY_VOLTAGE |
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uint8_t rdiv1 = 129; // Rdiv1 of voltage-divider (kOhms) (measure exact value with multimeter!) |
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uint16_t rdiv2 = 129; // Rdiv2 of voltage-divider (kOhms) (measure exact value with multimeter!) => used to measure voltage via ADC! |
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#endif |
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