boards: Add MCH2022 badge

I haven't fully tested this badge because I don't have the physical
hardware but I have followed the pinout from the website.

Makefile

@@ -460,6 +460,8 @@ ifneq ($(WASM), 0)
 	@$(MD5SUM) test.wasm
 	$(TINYGO) build -size short -o test.wasm -tags=circuitplay_bluefruit examples/blinky1
 	@$(MD5SUM) test.wasm
+	$(TINYGO) build -size short -o test.wasm -tags=mch2022              examples/serial
+	@$(MD5SUM) test.wasm
 endif
 	# test all targets/boards
 	$(TINYGO) build -size short -o test.hex -target=pca10040-s132v6     examples/blinky1
@@ -663,6 +665,8 @@ ifneq ($(XTENSA), 0)
 	@$(MD5SUM) test.bin
 	$(TINYGO) build -size short -o test.bin -target m5stack             examples/serial
 	@$(MD5SUM) test.bin
+	$(TINYGO) build -size short -o test.bin -target mch2022             examples/serial
+	@$(MD5SUM) test.bin
 endif
 	$(TINYGO) build -size short -o test.bin -target=esp32c3           	examples/serial
 	@$(MD5SUM) test.bin

README.md

@@ -95,6 +95,7 @@ The following 88 microcontroller boards are currently supported:
 * [M5Stamp C3](https://docs.m5stack.com/en/core/stamp_c3)
 * [Makerdiary nRF52840-MDK](https://wiki.makerdiary.com/nrf52840-mdk/)
 * [Makerdiary nRF52840-MDK USB Dongle](https://wiki.makerdiary.com/nrf52840-mdk-usb-dongle/)
+* [MCH2022 badge](https://badge.team/docs/badges/mch2022/)
 * [Microchip SAM E54 Xplained Pro](https://www.microchip.com/developmenttools/productdetails/atsame54-xpro)
 * [nice!nano](https://docs.nicekeyboards.com/#/nice!nano/)
 * [Nintendo Switch](https://www.nintendo.com/switch/)

src/machine/board_mch2022.go

@@ -0,0 +1,29 @@
+//go:build mch2022
+// +build mch2022
+
+package machine
+
+// See: https://badge.team/docs/badges/mch2022/pinout/
+
+const (
+	UART_TX_PIN Pin = 1
+	UART_RX_PIN Pin = 3
+
+	WS2812 Pin = 5
+
+	PowerOn Pin = 19 // Set high to enable power to LEDs and SD card
+
+	// I2C pins
+	SDA_PIN Pin = 22
+	SCL_PIN Pin = 21
+
+	// SPI and related pins (ICE40 and LCD).
+	LCD_RESET         Pin = 25
+	LCD_MODE          Pin = 26
+	LCD_DC            Pin = 33
+	SPI0_SCK_PIN      Pin = 18
+	SPI0_SDO_PIN      Pin = 23
+	SPI0_SDI_PIN      Pin = 35 // connected to ICE40
+	SPI0_CS_ICE40_PIN Pin = 27
+	SPI0_CS_LCD_PIN   Pin = 32
+)

targets/mch2022.json

@@ -0,0 +1,4 @@
+{
+	"inherits": ["esp32"],
+	"build-tags": ["mch2022"]
+}