Added support for M5Stamp Pico from M5Stack (espressif#8301)

Co-authored-by: Jan Procházka <90197375+P-R-O-C-H-Y@users.noreply.github.com>

Author: MWolfahrt

Diff for: boards.txt

@@ -13407,6 +13407,81 @@ stamp-s3.menu.EraseFlash.none.upload.erase_cmd=
 stamp-s3.menu.EraseFlash.all=Enabled
 stamp-s3.menu.EraseFlash.all.upload.erase_cmd=-e
 
+###############################################################
+
+m5stamp-pico.name=M5Stamp-Pico
+
+m5stamp-pico.bootloader.tool=esptool_py
+m5stamp-pico.bootloader.tool.default=esptool_py
+
+m5stamp-pico.upload.tool=esptool_py
+m5stamp-pico.upload.tool.default=esptool_py
+m5stamp-pico.upload.tool.network=esp_ota
+
+m5stamp-pico.upload.maximum_size=1310720
+m5stamp-pico.upload.maximum_data_size=327680
+m5stamp-pico.upload.wait_for_upload_port=true
+m5stamp-pico.upload.flags=
+m5stamp-pico.upload.extra_flags=
+
+m5stamp-pico.serial.disableDTR=true
+m5stamp-pico.serial.disableRTS=true
+
+m5stamp-pico.build.tarch=xtensa
+m5stamp-pico.build.bootloader_addr=0x1000
+m5stamp-pico.build.target=esp32
+m5stamp-pico.build.mcu=esp32
+m5stamp-pico.build.core=esp32
+m5stamp-pico.build.variant=m5stack_stamp_pico
+m5stamp-pico.build.board=M5Stamp_Pico
+
+m5stamp-pico.build.f_cpu=240000000L
+m5stamp-pico.build.flash_size=4MB
+m5stamp-pico.build.flash_freq=80m
+m5stamp-pico.build.flash_mode=dio
+m5stamp-pico.build.boot=dio
+m5stamp-pico.build.partitions=default
+m5stamp-pico.build.defines=
+
+m5stamp-pico.menu.PartitionScheme.default=Default
+m5stamp-pico.menu.PartitionScheme.default.build.partitions=default
+m5stamp-pico.menu.PartitionScheme.no_ota=No OTA (Large APP)
+m5stamp-pico.menu.PartitionScheme.no_ota.build.partitions=no_ota
+m5stamp-pico.menu.PartitionScheme.no_ota.upload.maximum_size=2097152
+m5stamp-pico.menu.PartitionScheme.min_spiffs=Minimal SPIFFS (Large APPS with OTA)
+m5stamp-pico.menu.PartitionScheme.min_spiffs.build.partitions=min_spiffs
+m5stamp-pico.menu.PartitionScheme.min_spiffs.upload.maximum_size=1966080
+
+
+m5stamp-pico.menu.UploadSpeed.1500000=1500000
+m5stamp-pico.menu.UploadSpeed.1500000.upload.speed=1500000
+m5stamp-pico.menu.UploadSpeed.750000=750000
+m5stamp-pico.menu.UploadSpeed.750000.upload.speed=750000
+m5stamp-pico.menu.UploadSpeed.500000=500000
+m5stamp-pico.menu.UploadSpeed.500000.upload.speed=500000
+m5stamp-pico.menu.UploadSpeed.250000=250000
+m5stamp-pico.menu.UploadSpeed.250000.upload.speed=250000
+m5stamp-pico.menu.UploadSpeed.115200=115200
+m5stamp-pico.menu.UploadSpeed.115200.upload.speed=115200
+
+m5stamp-pico.menu.DebugLevel.none=None
+m5stamp-pico.menu.DebugLevel.none.build.code_debug=0
+m5stamp-pico.menu.DebugLevel.error=Error
+m5stamp-pico.menu.DebugLevel.error.build.code_debug=1
+m5stamp-pico.menu.DebugLevel.warn=Warn
+m5stamp-pico.menu.DebugLevel.warn.build.code_debug=2
+m5stamp-pico.menu.DebugLevel.info=Info
+m5stamp-pico.menu.DebugLevel.info.build.code_debug=3
+m5stamp-pico.menu.DebugLevel.debug=Debug
+m5stamp-pico.menu.DebugLevel.debug.build.code_debug=4
+m5stamp-pico.menu.DebugLevel.verbose=Verbose
+m5stamp-pico.menu.DebugLevel.verbose.build.code_debug=5
+
+m5stamp-pico.menu.EraseFlash.none=Disabled
+m5stamp-pico.menu.EraseFlash.none.upload.erase_cmd=
+m5stamp-pico.menu.EraseFlash.all=Enabled
+m5stamp-pico.menu.EraseFlash.all.upload.erase_cmd=-e
+
 ##############################################################
 
 odroid_esp32.name=ODROID ESP32

Diff for: variants/m5stack_stamp_pico/pins_arduino.h

@@ -0,0 +1,40 @@
+#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)
+
+
+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 G26 = 26;
+static const uint8_t G36 = 36;
+static const uint8_t G18 = 18;
+static const uint8_t G19 = 19;
+static const uint8_t G21 = 21;
+static const uint8_t G22 = 22;
+static const uint8_t G25 = 25;
+static const uint8_t G1 = 1;
+static const uint8_t G3 = 3;
+static const uint8_t G0 = 0;
+
+static const uint8_t G32 = 32;
+static const uint8_t G33 = 33;
+
+static const uint8_t SS    = 19;
+static const uint8_t MOSI  = 26;
+static const uint8_t MISO  = 36;
+static const uint8_t SCK   = 18;
+
+#endif /* Pins_Arduino_h */