Add TTGO LoRa32 with OLED Version 1.x Board (#1663)

* Add ttgo-lora32-v1 folder to variants folder

* Add ttgo-lora32-v1 info to boards.txt

* Add defs to pins_arduino.h for I2C OLED and SPI LoRa radio pinouts as per @stickbreaker

boards.txt

@@ -8,6 +8,62 @@ menu.PSRAM=PSRAM
 
 ##############################################################
 
+ttgo-lora32-v1.name=TTGO LoRa32-OLED V1
+
+ttgo-lora32-v1.upload.tool=esptool
+ttgo-lora32-v1.upload.maximum_size=1310720
+ttgo-lora32-v1.upload.maximum_data_size=294912
+ttgo-lora32-v1.upload.wait_for_upload_port=true
+
+ttgo-lora32-v1.serial.disableDTR=true
+ttgo-lora32-v1.serial.disableRTS=true
+
+ttgo-lora32-v1.build.mcu=esp32
+ttgo-lora32-v1.build.core=esp32
+ttgo-lora32-v1.build.variant=ttgo-lora32-v1
+ttgo-lora32-v1.build.board=TTGO_LoRa32_V1
+
+ttgo-lora32-v1.build.f_cpu=240000000L
+ttgo-lora32-v1.build.flash_mode=dio
+ttgo-lora32-v1.build.flash_size=4MB
+ttgo-lora32-v1.build.boot=dio
+ttgo-lora32-v1.build.partitions=default
+
+ttgo-lora32-v1.menu.FlashFreq.80=80MHz
+ttgo-lora32-v1.menu.FlashFreq.80.build.flash_freq=80m
+ttgo-lora32-v1.menu.FlashFreq.40=40MHz
+ttgo-lora32-v1.menu.FlashFreq.40.build.flash_freq=40m
+
+ttgo-lora32-v1.menu.UploadSpeed.921600=921600
+ttgo-lora32-v1.menu.UploadSpeed.921600.upload.speed=921600
+ttgo-lora32-v1.menu.UploadSpeed.115200=115200
+ttgo-lora32-v1.menu.UploadSpeed.115200.upload.speed=115200
+ttgo-lora32-v1.menu.UploadSpeed.256000.windows=256000
+ttgo-lora32-v1.menu.UploadSpeed.256000.upload.speed=256000
+ttgo-lora32-v1.menu.UploadSpeed.230400.windows.upload.speed=256000
+ttgo-lora32-v1.menu.UploadSpeed.230400=230400
+ttgo-lora32-v1.menu.UploadSpeed.230400.upload.speed=230400
+ttgo-lora32-v1.menu.UploadSpeed.460800.linux=460800
+ttgo-lora32-v1.menu.UploadSpeed.460800.macosx=460800
+ttgo-lora32-v1.menu.UploadSpeed.460800.upload.speed=460800
+ttgo-lora32-v1.menu.UploadSpeed.512000.windows=512000
+ttgo-lora32-v1.menu.UploadSpeed.512000.upload.speed=512000
+
+ttgo-lora32-v1.menu.DebugLevel.none=None
+ttgo-lora32-v1.menu.DebugLevel.none.build.code_debug=0
+ttgo-lora32-v1.menu.DebugLevel.error=Error
+ttgo-lora32-v1.menu.DebugLevel.error.build.code_debug=1
+ttgo-lora32-v1.menu.DebugLevel.warn=Warn
+ttgo-lora32-v1.menu.DebugLevel.warn.build.code_debug=2
+ttgo-lora32-v1.menu.DebugLevel.info=Info
+ttgo-lora32-v1.menu.DebugLevel.info.build.code_debug=3
+ttgo-lora32-v1.menu.DebugLevel.debug=Debug
+ttgo-lora32-v1.menu.DebugLevel.debug.build.code_debug=4
+ttgo-lora32-v1.menu.DebugLevel.verbose=Verbose
+ttgo-lora32-v1.menu.DebugLevel.verbose.build.code_debug=5
+
+##############################################################
+
 esp32.name=ESP32 Dev Module
 
 esp32.upload.tool=esptool
@@ -1983,4 +2039,4 @@ wipy3.menu.DebugLevel.info.build.code_debug=3
 wipy3.menu.DebugLevel.debug=Debug
 wipy3.menu.DebugLevel.debug.build.code_debug=4
 wipy3.menu.DebugLevel.verbose=Verbose
-wipy3.menu.DebugLevel.verbose.build.code_debug=5
\ No newline at end of file
+wipy3.menu.DebugLevel.verbose.build.code_debug=5

variants/ttgo-lora32-v1/pins_arduino.h

+#ifndef Pins_Arduino_h
+#define Pins_Arduino_h
+
+#include <stdint.h>
+
+#define EXTERNAL_NUM_INTERRUPTS 16
+#define NUM_DIGITAL_PINS        40
+#define NUM_ANALOG_INPUTS       16
+
+#define analogInputToDigitalPin(p)  (((p)<20)?(esp32_adc2gpio[(p)]):-1)
+#define digitalPinToInterrupt(p)    (((p)<40)?(p):-1)
+#define digitalPinHasPWM(p)         (p < 34)
+
+// I2C OLED Display works with SSD1306 driver
+#define OLED_SDA 4
+#define OLED_SCL 15
+#define OLED_RST 16
+
+// SPI LoRa Radio
+#define LORA_SCK 5        // GPIO5 - SX1276 SCK
+#define LORA_MISO 19     // GPIO19 - SX1276 MISO
+#define LORA_MOSI 27    // GPIO27 - SX1276 MOSI
+#define LORA_CS 18     // GPIO18 - SX1276 CS
+#define LORA_RST 14   // GPIO14 - SX1276 RST
+#define LORA_IRQ 26  // GPIO26 - SX1276 IRQ (interrupt request)
+
+static const uint8_t LED_BUILTIN = 2;
+#define BUILTIN_LED  LED_BUILTIN // backward compatibility
+
+static const uint8_t KEY_BUILTIN = 0;
+
+static const uint8_t TX = 1;
+static const uint8_t RX = 3;
+
+static const uint8_t SDA = 21;
+static const uint8_t SCL = 22;
+
+static const uint8_t SS    = 18;
+static const uint8_t MOSI  = 27;
+static const uint8_t MISO  = 19;
+static const uint8_t SCK   = 5;
+
+static const uint8_t A0 = 36;
+static const uint8_t A1 = 37;
+static const uint8_t A2 = 38;
+static const uint8_t A3 = 39;
+static const uint8_t A4 = 32;
+static const uint8_t A5 = 33;
+static const uint8_t A6 = 34;
+static const uint8_t A7 = 35;
+
+static const uint8_t A10 = 4;
+static const uint8_t A11 = 0;
+static const uint8_t A12 = 2;
+static const uint8_t A13 = 15;
+static const uint8_t A14 = 13;
+static const uint8_t A15 = 12;
+static const uint8_t A16 = 14;
+static const uint8_t A17 = 27;
+static const uint8_t A18 = 25;
+static const uint8_t A19 = 26;
+
+static const uint8_t T0 = 4;
+static const uint8_t T1 = 0;
+static const uint8_t T2 = 2;
+static const uint8_t T3 = 15;
+static const uint8_t T4 = 13;
+static const uint8_t T5 = 12;
+static const uint8_t T6 = 14;
+static const uint8_t T7 = 27;
+static const uint8_t T8 = 32;
+static const uint8_t T9 = 33;
+
+static const uint8_t DAC1 = 26;
+static const uint8_t DAC2 = 25;
+
+#endif /* Pins_Arduino_h */