generic board hal file added

src/hal/generic.h

@@ -0,0 +1,34 @@
+// Hardware related definitions for generic ESP32 boards
+
+#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
+#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 HAS_DISPLAY U8X8_SSD1306_128X64_NONAME_HW_I2C
+//#define DISPLAY_FLIP  1 // use if display is rotated
+#define HAS_BATTERY_PROBE ADC1_GPIO35_CHANNEL // uses GPIO7
+#define BATT_FACTOR 2 // voltage divider 100k/100k on board
+
+#define HAS_LED GPIO_NUM_21 // on board green LED_G1
+
+#define HAS_BUTTON GPIO_NUM_39 // use if board has button
+
+#define HAS_GPS 1 // use if board has GPS
+#define GPS_SERIAL 9600, SERIAL_8N1, GPIO_NUM_12, GPIO_NUM_15 // UBlox NEO 6M or 7M with default configuration
+
+// pin definitions for SPI interface of LoRa chip
+#define PIN_SPI_SS    GPIO_NUM_18 // SPI Chip Select
+#define PIN_SPI_MOSI  GPIO_NUM_27 // SPI Data Input
+#define PIN_SPI_MISO  GPIO_NUM_19 // SPI Data Output
+#define PIN_SPI_SCK   GPIO_NUM_5  // SPI Clock
+#define RST LMIC_UNUSED_PIN  // LoRa Reset (if wired)
+#define DIO0 GPIO_NUM_26     // LoRa IO0
+#define DIO1 GPIO_NUM_32     // LoRa IO1
+#define DIO2 LMIC_UNUSED_PIN // LoRa IO2 (not needed)
+
+// pin definitions for I2C interface of OLED Display
+#define OLED_RST GPIO_NUM_16 // SSD1306 RST
+#define OLED_SDA GPIO_NUM_4  // SD1306 D1+D2
+#define OLED_SCL GPIO_NUM_15 // SD1306 D0