Add new board variant: Seeed XIAO targeted for Keyboards/HID Devices

ports/atmel-samd/boards/seeeduino_xiao_kb/board.c

@@ -0,0 +1,39 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2017 Scott Shawcroft for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "supervisor/board.h"
+#include "mpconfigboard.h"
+#include "hal/include/hal_gpio.h"
+
+void board_init(void) {
+}
+
+bool board_requests_safe_mode(void) {
+    return false;
+}
+
+void reset_board(void) {
+}

ports/atmel-samd/boards/seeeduino_xiao_kb/mpconfigboard.h

@@ -0,0 +1,7 @@
+#define MICROPY_HW_BOARD_NAME "Seeeduino XIAO KB"
+#define MICROPY_HW_MCU_NAME "samd21g18"
+
+
+// USB is always used internally so skip the pin objects for it.
+#define IGNORE_PIN_PA24     1
+#define IGNORE_PIN_PA25     1

ports/atmel-samd/boards/seeeduino_xiao_kb/mpconfigboard.mk

@@ -0,0 +1,35 @@
+USB_VID = 0x2886
+USB_PID = 0x802F
+# VID & PID Provided by Seeed
+USB_PRODUCT = "Seeeduino XIAO KB"
+USB_MANUFACTURER = "Seeed"
+
+CHIP_VARIANT = SAMD21G18A
+CHIP_FAMILY = samd21
+
+INTERNAL_FLASH_FILESYSTEM = 1
+LONGINT_IMPL = NONE
+CIRCUITPY_FULL_BUILD = 0
+
+# A number of modules are removed
+# Many I/O functions are not available or not used in a keyboard
+# CIRCUITPY_ANALOGIO = 1 # Needed for potentiometer input (mouse)
+CIRCUITPY_AUDIOCORE = 0
+CIRCUITPY_BUSIO = 0 # Needed for I2C, SPI and UART - removed that for keyboards...
+CIRCUITPY_PULSEIO = 0
+# CIRCUITPY_PWMIO = 1 # only needed for speaker or LED PWM functions. Takes 2314 bytes.
+CIRCUITPY_RTC = 0
+CIRCUITPY_MATH = 0
+#CIRCUITPY_RANDOM = 0
+CIRCUITPY_ONEWIREIO = 0
+#CIRCUITPY_NEOPIXEL_WRITE = 1 # Needed fo RGB LEDs
+#CIRCUITPY_RAINBOWIO = 1  # Needed fo RGB LEDs
+# These are used in a keyboard or computer input device.
+CIRCUITPY_ROTARYIO = 1
+CIRCUITPY_KEYPAD = 1
+CIRCUITPY_USB_HID = 1
+CIRCUITPY_USB_MIDI = 1
+
+# Include these Python libraries in firmware.
+FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_HID
+FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_NeoPixel

ports/atmel-samd/boards/seeeduino_xiao_kb/pins.c

@@ -0,0 +1,38 @@
+#include "shared-bindings/board/__init__.h"
+
+STATIC const mp_rom_map_elem_t board_global_dict_table[] = {
+    { MP_ROM_QSTR(MP_QSTR_board_id), MP_ROM_PTR(&board_module_id_obj) },
+
+    // Analog pins
+    { MP_ROM_QSTR(MP_QSTR_A0), MP_ROM_PTR(&pin_PA02) },
+    { MP_ROM_QSTR(MP_QSTR_A1), MP_ROM_PTR(&pin_PA04) },
+    { MP_ROM_QSTR(MP_QSTR_A2), MP_ROM_PTR(&pin_PA10) },
+    { MP_ROM_QSTR(MP_QSTR_A3), MP_ROM_PTR(&pin_PA11) },
+    { MP_ROM_QSTR(MP_QSTR_A4), MP_ROM_PTR(&pin_PA08) },
+    { MP_ROM_QSTR(MP_QSTR_A5), MP_ROM_PTR(&pin_PA09) },
+    { MP_ROM_QSTR(MP_QSTR_A6), MP_ROM_PTR(&pin_PB08) },
+    { MP_ROM_QSTR(MP_QSTR_A7), MP_ROM_PTR(&pin_PB09) },
+    { MP_ROM_QSTR(MP_QSTR_A8), MP_ROM_PTR(&pin_PA07) },
+    { MP_ROM_QSTR(MP_QSTR_A9), MP_ROM_PTR(&pin_PA05) },
+    { MP_ROM_QSTR(MP_QSTR_A10), MP_ROM_PTR(&pin_PA06) },
+
+    // Digital pins
+    { MP_ROM_QSTR(MP_QSTR_D0), MP_ROM_PTR(&pin_PA02) },
+    { MP_ROM_QSTR(MP_QSTR_D1), MP_ROM_PTR(&pin_PA04) },
+    { MP_ROM_QSTR(MP_QSTR_D2), MP_ROM_PTR(&pin_PA10) },
+    { MP_ROM_QSTR(MP_QSTR_D3), MP_ROM_PTR(&pin_PA11) },
+    { MP_ROM_QSTR(MP_QSTR_D4), MP_ROM_PTR(&pin_PA08) },
+    { MP_ROM_QSTR(MP_QSTR_D5), MP_ROM_PTR(&pin_PA09) },
+    { MP_ROM_QSTR(MP_QSTR_D6), MP_ROM_PTR(&pin_PB08) },
+    { MP_ROM_QSTR(MP_QSTR_D7), MP_ROM_PTR(&pin_PB09) },
+    { MP_ROM_QSTR(MP_QSTR_D8), MP_ROM_PTR(&pin_PA07) },
+    { MP_ROM_QSTR(MP_QSTR_D9), MP_ROM_PTR(&pin_PA05) },
+    { MP_ROM_QSTR(MP_QSTR_D10), MP_ROM_PTR(&pin_PA06) },
+    { MP_ROM_QSTR(MP_QSTR_D13), MP_ROM_PTR(&pin_PA17) },
+
+    // LED pins
+    { MP_ROM_QSTR(MP_QSTR_LED),   MP_ROM_PTR(&pin_PA17) }, // status
+    { MP_ROM_QSTR(MP_QSTR_BLUE_LED),   MP_ROM_PTR(&pin_PA17) },
+
+};
+MP_DEFINE_CONST_DICT(board_module_globals, board_global_dict_table);