#include "Arduino.h" //######################### INFOS #################################### /* This is a develboard-specific config-file for ESPuino complete with port-expander PCA9555. PCB: tba Infos: tba Caveats: None Status: untested / unfinished */ //################## GPIO-configuration ############################## // Please note: GPIOs 34, 35, 36, 39 are input-only and don't have pullup-resistors. // So if connecting a button to these, make sure to add a 10k-pullup-resistor for each button. // Further infos: https://randomnerdtutorials.com/esp32-pinout-reference-gpios/ #ifdef SD_MMC_1BIT_MODE // uSD-card-reader (via SD-MMC 1Bit) // // SD_MMC uses fixed pins // MOSI 15 // SCK 14 // MISO 2 #else // uSD-card-reader (via SPI) #define SPISD_CS 15 // GPIO for chip select (SD) #ifndef SINGLE_SPI_ENABLE #define SPISD_MOSI 13 // GPIO for master out slave in (SD) => not necessary for single-SPI #define SPISD_MISO 16 // GPIO for master in slave ou (SD) => not necessary for single-SPI #define SPISD_SCK 14 // GPIO for clock-signal (SD) => not necessary for single-SPI #endif #endif // RFID (via SPI) #define RST_PIN 22 // Not necessary but has to be set anyway; so let's use a dummy-number #define RFID_CS 21 // GPIO for chip select (RFID) #define RFID_MOSI 23 // GPIO for master out slave in (RFID) #define RFID_MISO 19 // GPIO for master in slave out (RFID) #define RFID_SCK 18 // GPIO for clock-signal (RFID) #ifdef RFID_READER_TYPE_PN5180 #define RFID_BUSY 16 // PN5180 BUSY PIN #define RFID_RST 22 // PN5180 RESET PIN #define RFID_IRQ 39 // PN5180 IRQ PIN (only needed for low power card detection) #endif // I2S (DAC) #define I2S_DOUT 25 // Digital out (I2S) #define I2S_BCLK 27 // BCLK (I2S) #define I2S_LRC 26 // LRC (I2S) // Rotary encoder #ifdef USEROTARY_ENABLE #define ROTARYENCODER_CLK 35 // If you want to reverse encoder's direction, just switch GPIOs of CLK with DT (in software or hardware) #define ROTARYENCODER_DT 34 // Info: Lolin D32 / Lolin D32 pro 35 are using 35 for battery-voltage-monitoring! #define ROTARYENCODER_BUTTON 105 // (set to 99 to disable; 0->39 for GPIO; 100->115 for port-expander) #endif // Amp enable (optional) #define GPIO_PA_EN 112 // To enable amp for loudspeaker (GPIO or port-channel) #define GPIO_HP_EN 113 // To enable amp for headphones (GPIO or port-channel) // Control-buttons (set to 99 to DISABLE; 0->39 for GPIO; 100->115 for port-expander) #define NEXT_BUTTON 102 // Button 0: GPIO to detect next #define PREVIOUS_BUTTON 103 // Button 1: GPIO to detect previous (Important: as of 19.11.2020 changed from 33 to 2; make sure to change in SD-MMC-mode) #define PAUSEPLAY_BUTTON 100 // Button 2: GPIO to detect pause/play #define BUTTON_4 101 // Button 4: unnamed optional button #define BUTTON_5 104 // Button 5: unnamed optional button // Channels of port-expander can be read cyclic or interrupt-driven. It's strongly recommended to use the interrupt-way! // Infos: https://forum.espuino.de/t/einsatz-des-port-expanders-pca9555/306 #ifdef PORT_EXPANDER_ENABLE #define PE_INTERRUPT_PIN 4 // GPIO that is used to receive interrupts from port-expander #endif // I2C-configuration (necessary for RC522 [only via i2c - not spi!] or port-expander) #if defined(RFID_READER_TYPE_MFRC522_I2C) || defined(PORT_EXPANDER_ENABLE) #define ext_IIC_CLK 33 // i2c-SCL (clock) #define ext_IIC_DATA 5 // i2c-SDA (data) #endif // Wake-up button => this also is the interrupt-pin if port-expander is enabled! // Please note: only RTC-GPIOs (0, 4, 12, 13, 14, 15, 25, 26, 27, 32, 33, 34, 35, 36, 39, 99) can be used! Set to 99 to DISABLE. // Please note #2: this button can be used as interrupt-pin for port-expander. If so, all pins connected to port-expander can wake up ESPuino. #define WAKEUP_BUTTON ROTARYENCODER_BUTTON // Defines the button that is used to wake up ESPuino from deepsleep. // (optional) Power-control #define POWER 13 // GPIO used to drive transistor-circuit, that switches off peripheral devices while ESP32-deepsleep // (optional) Neopixel #define LED_PIN 12 // GPIO for Neopixel-signaling // (optinal) Headphone-detection #ifdef HEADPHONE_ADJUST_ENABLE #define DETECT_HP_ON_HIGH // Per default headphones are supposed to be connected if HT_DETECT is LOW. DETECT_HP_ON_HIGH will change this behaviour to HIGH. #define HP_DETECT 107 // GPIO that detects, if there's a plug in the headphone jack or not #endif // (optional) Monitoring of battery-voltage via ADC #ifdef MEASURE_BATTERY_VOLTAGE #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! constexpr float referenceVoltage = 3.35; // Voltage between 3.3V and GND-pin at the develboard in battery-mode (disconnect USB!) constexpr float offsetVoltage = 0.1; // If voltage measured by ESP isn't 100% accurate, you can add an correction-value here #endif // (optional) For measuring battery-voltage a voltage-divider is necessary. Their values need to be configured here. #ifdef MEASURE_BATTERY_VOLTAGE constexpr uint8_t rdiv1 = 100; // Rdiv1 of voltage-divider (kOhms) (measure exact value with multimeter!) constexpr uint16_t rdiv2 = 33; // Rdiv2 of voltage-divider (kOhms) (measure exact value with multimeter!) => used to measure voltage via ADC! #endif // (Optional) remote control via infrared #ifdef IR_CONTROL_ENABLE #define IRLED_PIN 22 // GPIO where IR-receiver is connected (only tested with VS1838B) #define IR_DEBOUNCE 200 // Interval in ms to wait at least for next signal (not used for actions volume up/down) // Actions available. Use your own remote control and have a look at the console for "Command=0x??". E.g. "Protocol=NEC Address=0x17F Command=0x68 Repeat gap=39750us" // Make sure to define a hex-code not more than once as this will lead to a compile-error // https://forum.espuino.de/t/neues-feature-fernsteuerung-per-infrarot-fernbedienung/265 #define RC_PLAY 0x68 // command for play #define RC_PAUSE 0x67 // command for pause #define RC_NEXT 0x6b // command for next track of playlist #define RC_PREVIOUS 0x6a // command for previous track of playlist #define RC_FIRST 0x6c // command for first track of playlist #define RC_LAST 0x6d // command for last track of playlist #define RC_VOL_UP 0x1a // Command for volume up (one step) #define RC_VOL_DOWN 0x1b // Command for volume down (one step) #define RC_MUTE 0x1c // Command to mute ESPuino #define RC_SHUTDOWN 0x2a // Command for deepsleep #define RC_BLUETOOTH 0x72 // Command to enable/disable bluetooth #define RC_FTP 0x65 // Command to enable FTP-server #endif