add Microduino-esp32 (#621)

boards.txt

@@ -1335,3 +1335,46 @@ espectro32.menu.DebugLevel.debug=Debug
 espectro32.menu.DebugLevel.debug.build.code_debug=4
 espectro32.menu.DebugLevel.verbose=Verbose
 espectro32.menu.DebugLevel.verbose.build.code_debug=5
+
+
+##############################################################
+CoreESP32.name=Microduino-CoreESP32
+
+CoreESP32.upload.tool=esptool
+CoreESP32.upload.maximum_size=1310720
+CoreESP32.upload.maximum_data_size=294912
+CoreESP32.upload.wait_for_upload_port=true
+
+CoreESP32.serial.disableDTR=true
+CoreESP32.serial.disableRTS=true
+
+CoreESP32.build.mcu=esp32
+CoreESP32.build.core=esp32
+CoreESP32.build.variant=Microduino-esp32
+CoreESP32.build.board=CoreESP32
+
+CoreESP32.build.f_cpu=240000000L
+CoreESP32.build.flash_mode=dio
+CoreESP32.build.flash_size=4MB
+CoreESP32.build.boot=bootloader
+CoreESP32.build.partitions=default
+
+CoreESP32.menu.FlashFreq.80=80MHz
+CoreESP32.menu.FlashFreq.80.build.flash_freq=80m
+CoreESP32.menu.FlashFreq.40=40MHz
+CoreESP32.menu.FlashFreq.40.build.flash_freq=40m
+
+CoreESP32.menu.UploadSpeed.921600=921600
+CoreESP32.menu.UploadSpeed.921600.upload.speed=921600
+CoreESP32.menu.UploadSpeed.115200=115200
+CoreESP32.menu.UploadSpeed.115200.upload.speed=115200
+CoreESP32.menu.UploadSpeed.256000.windows=256000
+CoreESP32.menu.UploadSpeed.256000.upload.speed=256000
+CoreESP32.menu.UploadSpeed.230400.windows.upload.speed=256000
+CoreESP32.menu.UploadSpeed.230400=230400
+CoreESP32.menu.UploadSpeed.230400.upload.speed=230400
+CoreESP32.menu.UploadSpeed.460800.linux=460800
+CoreESP32.menu.UploadSpeed.460800.macosx=460800
+CoreESP32.menu.UploadSpeed.460800.upload.speed=460800
+CoreESP32.menu.UploadSpeed.512000.windows=512000
+CoreESP32.menu.UploadSpeed.512000.upload.speed=512000
\ No newline at end of file

variants/Microduino-esp32/pins_arduino.h

+#ifndef Pins_Arduino_h
+#define Pins_Arduino_h
+
+#include <stdint.h>
+
+#define EXTERNAL_NUM_INTERRUPTS 16
+#define NUM_DIGITAL_PINS        22
+#define NUM_ANALOG_INPUTS       12
+
+#define analogInputToDigitalPin(p)  (((p)<20)?(esp32_adc2gpio[(p)]):-1)
+#define digitalPinToInterrupt(p)    (((p)<40)?(p):-1)
+#define digitalPinHasPWM(p)         (p < 34)
+
+static const uint8_t LED_BUILTIN = -1;
+#define BUILTIN_LED  LED_BUILTIN // backward compatibility
+
+#define MTDO 15
+#define MTDI 12
+#define MTMS 14
+#define MTCK 13
+
+static const uint8_t TX = 1;
+static const uint8_t RX = 3;
+
+static const uint8_t SDA = 22;//23;
+static const uint8_t SCL = 21;//19;
+
+static const uint8_t SDA1 = 12;
+static const uint8_t SCL1 = 13;
+
+static const uint8_t SS    = 5;
+static const uint8_t MOSI  = 23;
+static const uint8_t MISO  = 19;
+static const uint8_t SCK   = 18;
+
+static const uint8_t A0 = 12;
+static const uint8_t A1 = 13;
+static const uint8_t A2 = 15;
+static const uint8_t A3 = 4;
+static const uint8_t A6 = 38;
+static const uint8_t A7 = 37;
+
+static const uint8_t A8 = 32;
+static const uint8_t A9 = 33;
+static const uint8_t A10 = 25;
+static const uint8_t A11 = 26;
+static const uint8_t A12 = 27;
+static const uint8_t A13 = 14;
+
+static const uint8_t D0 = 3;
+static const uint8_t D1 = 1;
+static const uint8_t D2 = 16;
+static const uint8_t D3 = 17;
+static const uint8_t D4 = 32;//ADC1_CH4
+static const uint8_t D5 = 33;//ADC1_CH5
+static const uint8_t D6 = 25;//ADC2_CH8 DAC_1
+static const uint8_t D7 = 26;//ADC2_CH9 DAC_2
+static const uint8_t D8 = 27;//ADC2_CH7
+static const uint8_t D9 = 14;//ADC2_CH6
+static const uint8_t D10 = 5;
+static const uint8_t D11 = 23;
+static const uint8_t D12 = 19;
+static const uint8_t D13 = 18;
+static const uint8_t D14 = 12;
+static const uint8_t D15 = 13;
+static const uint8_t D16 = 15;
+static const uint8_t D17 = 4;
+static const uint8_t D18 = 22;
+static const uint8_t D19 = 21;
+static const uint8_t D20 = 38;
+static const uint8_t D21 = 37;
+
+
+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 = 33;
+static const uint8_t T9 = 32;
+
+static const uint8_t DAC1 = 25;
+static const uint8_t DAC2 = 26;
+
+#endif /* Pins_Arduino_h */