ESP32-PaxCounter/src/hal/generic.h

// clang-format off
// upload_speed 115200
// board esp32dev

#ifndef _GENERIC_H
#define _GENERIC_H

#include <stdint.h>

// Hardware related definitions for generic ESP32 boards
// generic.h is kitchensink with all available options

#define HAS_LORA 1 // comment out if device shall not send data via LoRa or has no LoRa
#define HAS_SPI 1  // comment out if device shall not send data via SPI
// pin definitions for SPI slave interface
#define SPI_MOSI GPIO_NUM_23
#define SPI_MISO GPIO_NUM_19
#define SPI_SCLK GPIO_NUM_18
#define SPI_CS   GPIO_NUM_5

// enable only if you want to store a local paxcount table on the device
#define HAS_SDCARD  1      // this board has an SD-card-reader/writer
// Pins for SD-card
#define SDCARD_CS    (13)
#define SDCARD_MOSI  (15)
#define SDCARD_MISO  (2)
#define SDCARD_SCLK  (14)

// enable only if device has these sensors, otherwise comment these lines
// tutorial to connect BME sensor see here:
// https://sbamueller.wordpress.com/2019/02/26/paxcounter-mit-umweltsensor/
//
// in platformio.ini append
// lib_deps = <...> ${common.lib_deps_sensors}
// for loading necessary libraries

// BME680 sensor on I2C bus
#define HAS_BME 1 // Enable BME sensors in general
#define HAS_BME680 GPIO_NUM_21, GPIO_NUM_22 // SDA, SCL
#define BME680_ADDR BME680_I2C_ADDR_PRIMARY // connect SDIO of BME680 to GND

// BME280 sensor on I2C bus
//#define HAS_BME 1 // Enable BME sensors in general
//#define HAS_BME280 GPIO_NUM_21, GPIO_NUM_22 // SDA, SCL
//#define BME280_ADDR 0x76 // change to 0x77 depending on your wiring

// BMP180 sensor on I2C bus
//#define HAS_BMP180
//#define BMP180_ADDR 0x77

// SDS011 dust sensor settings
#define HAS_SDS011 1 // use SDS011
// used pins on the ESP-side:
#define SDS_TX 19     // connect to RX on the SDS011
#define SDS_RX 23     // connect to TX on the SDS011

// user defined sensors
#define HAS_SENSORS 1 // comment out if device has user defined sensors

#define CFG_sx1276_radio 1 // select LoRa chip
//#define CFG_sx1272_radio 1 // select LoRa chip
#define BOARD_HAS_PSRAM // use if board has external PSRAM
#define DISABLE_BROWNOUT 1 // comment out if you want to keep brownout feature

#define HAS_DISPLAY 1
//#define MY_DISPLAY_FLIP  1 // use if display is rotated
#define BAT_MEASURE_ADC ADC1_GPIO35_CHANNEL // battery probe GPIO pin -> ADC1_CHANNEL_7
#define BAT_VOLTAGE_DIVIDER 2 // voltage divider 100k/100k on board

#define HAS_LED (21) // on board  LED
#define HAS_BUTTON (39) // on board button
#define HAS_RGB_LED SmartLed rgb_led(LED_WS2812, 1, GPIO_NUM_0) // WS2812B RGB LED on GPIO0

// GPS settings
#define HAS_GPS 1 // use on board GPS
#define GPS_SERIAL 9600, SERIAL_8N1, GPIO_NUM_12, GPIO_NUM_15 // UBlox NEO 6M RX, TX
#define GPS_INT GPIO_NUM_13 // 30ns accurary timepulse, to be external wired on pcb: NEO 6M Pin#3 -> GPIO13

// Pins for I2C interface of OLED Display
#define MY_DISPLAY_SDA (4)
#define MY_DISPLAY_SCL (15)
#define MY_DISPLAY_RST (16)

// Settings for on board DS3231 RTC chip
#define HAS_RTC MY_DISPLAY_SDA, MY_DISPLAY_SCL // SDA, SCL
#define RTC_INT GPIO_NUM_34 // timepulse with accuracy +/- 2*e-6 [microseconds] = 0,1728sec / day

// Settings for IF482 interface
//#define HAS_IF482 9600, SERIAL_7E1, GPIO_NUM_12, GPIO_NUM_14 // IF482 serial port parameters

// Settings for DCF77 interface
//#define HAS_DCF77 GPIO_NUM_1
//#define DCF77_ACTIVE_LOW 1

// Pins for LORA chip SPI interface, reset line and interrupt lines
#define LORA_SCK  (5) 
#define LORA_CS   (18)
#define LORA_MISO (19)
#define LORA_MOSI (27)
#define LORA_RST  (14)
#define LORA_IRQ  (26)
#define LORA_IO1  (33)
#define LORA_IO2  LMIC_UNUSED_PIN

// I2C config for Microchip 24AA02E64 DEVEUI unique address
#define MCP_24AA02E64_I2C_ADDRESS 0x50 // I2C address for the 24AA02E64 
#define MCP_24AA02E64_MAC_ADDRESS 0xF8 // Memory adress of unique deveui 64 bits

#endif