Add Inex OpenKB Board (#4002)

Please add OpenKB Board Product from INEX Co. Ltd.

https://inex.co.th/shop/openkb.html

boards.txt

@@ -5273,6 +5273,50 @@ mPython.menu.DebugLevel.verbose.build.code_debug=5
 
 ##############################################################
 
+OpenKB.name=INEX OpenKB
+
+OpenKB.upload.tool=esptool_py
+OpenKB.upload.maximum_size=1310720
+OpenKB.upload.maximum_data_size=327680
+OpenKB.upload.wait_for_upload_port=true
+
+OpenKB.serial.disableDTR=true
+OpenKB.serial.disableRTS=true
+
+OpenKB.build.mcu=esp32
+OpenKB.build.core=esp32
+OpenKB.build.variant=openkb
+OpenKB.build.board=openkb
+
+OpenKB.build.f_cpu=240000000L
+OpenKB.build.flash_mode=dio
+OpenKB.build.flash_size=4MB
+OpenKB.build.boot=dio
+OpenKB.build.partitions=default
+OpenKB.build.defines=
+
+OpenKB.menu.FlashFreq.80=80MHz
+OpenKB.menu.FlashFreq.80.build.flash_freq=80m
+OpenKB.menu.FlashFreq.40=40MHz
+OpenKB.menu.FlashFreq.40.build.flash_freq=40m
+
+OpenKB.menu.UploadSpeed.921600=921600
+OpenKB.menu.UploadSpeed.921600.upload.speed=921600
+OpenKB.menu.UploadSpeed.115200=115200
+OpenKB.menu.UploadSpeed.115200.upload.speed=115200
+OpenKB.menu.UploadSpeed.256000.windows=256000
+OpenKB.menu.UploadSpeed.256000.upload.speed=256000
+OpenKB.menu.UploadSpeed.230400.windows.upload.speed=256000
+OpenKB.menu.UploadSpeed.230400=230400
+OpenKB.menu.UploadSpeed.230400.upload.speed=230400
+OpenKB.menu.UploadSpeed.460800.linux=460800
+OpenKB.menu.UploadSpeed.460800.macosx=460800
+OpenKB.menu.UploadSpeed.460800.upload.speed=460800
+OpenKB.menu.UploadSpeed.512000.windows=512000
+OpenKB.menu.UploadSpeed.512000.upload.speed=512000
+
+##############################################################
+
 wifiduino32.name=WiFiduino32
 
 wifiduino32.upload.tool=esptool_py

variants/openkb/pins_arduino.h

+#ifndef Pins_Arduino_h
+#define Pins_Arduino_h
+
+#include <stdint.h>
+
+#define EXTERNAL_NUM_INTERRUPTS 16
+#define NUM_DIGITAL_PINS        38
+#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)
+
+static const uint8_t LED_BUILTIN = 16;
+#define BUILTIN_LED  LED_BUILTIN // backward compatibility
+
+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    = 5;
+static const uint8_t MOSI  = 23;
+static const uint8_t MISO  = 19;
+static const uint8_t SCK   = 18;
+
+static const uint8_t A0 = 36;
+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 = 33;
+static const uint8_t T9 = 32;
+
+static const uint8_t DAC1 = 25;
+static const uint8_t DAC2 = 26;
+
+static const uint8_t LDR_PIN = 36;
+
+static const uint8_t SW1 = 16;
+static const uint8_t SW2 = 14;
+
+
+static const uint8_t BT_LED = 17;
+static const uint8_t WIFI_LED = 2;
+static const uint8_t NTP_LED = 15;
+static const uint8_t IOT_LED = 12;
+
+static const uint8_t BUZZER = 13;
+
+static const uint8_t INPUT1 = 32;
+static const uint8_t INPUT2 = 33;
+static const uint8_t INPUT3 = 34;
+static const uint8_t INPUT4 = 35;
+
+static const uint8_t OUTPUT1 = 26;
+static const uint8_t OUTPUT2 = 27;
+
+static const uint8_t SDA0 = 21;
+static const uint8_t SCL0 = 22;
+
+static const uint8_t SDA1 = 4;
+static const uint8_t SCL1 = 5;
+
+static const uint8_t KB_GPIO18 = 18;
+static const uint8_t KB_GPIO19 = 19;
+static const uint8_t KB_GPIO23= 23;
+
+#endif /* Pins_Arduino_h */