board: add M5Stack

Makefile

@@ -457,6 +457,8 @@ ifneq ($(XTENSA), 0)
 	@$(MD5SUM) test.bin
 	$(TINYGO) build -size short -o test.bin -target m5stack-core2       examples/serial
 	@$(MD5SUM) test.bin
+	$(TINYGO) build -size short -o test.bin -target m5stack             examples/serial
+	@$(MD5SUM) test.bin
 endif
 	$(TINYGO) build -size short -o test.bin -target=esp32c3           	examples/serial
 	@$(MD5SUM) test.bin

README.md

@@ -43,7 +43,7 @@ See the [getting started instructions](https://tinygo.org/getting-started/) for
 
 You can compile TinyGo programs for microcontrollers, WebAssembly and Linux.
 
-The following 71 microcontroller boards are currently supported:
+The following 72 microcontroller boards are currently supported:
 
 * [Adafruit Circuit Playground Bluefruit](https://www.adafruit.com/product/4333)
 * [Adafruit Circuit Playground Express](https://www.adafruit.com/product/3333)
@@ -84,6 +84,7 @@ The following 71 microcontroller boards are currently supported:
 * [ESP32](https://www.espressif.com/en/products/socs/esp32)
 * [ESP8266](https://www.espressif.com/en/products/socs/esp8266)
 * [Game Boy Advance](https://en.wikipedia.org/wiki/Game_Boy_Advance)
+* [M5Stack](https://docs.m5stack.com/en/core/basic)
 * [M5Stack Core2](https://shop.m5stack.com/products/m5stack-core2-esp32-iot-development-kit)
 * [Makerdiary nRF52840-MDK](https://wiki.makerdiary.com/nrf52840-mdk/)
 * [Makerdiary nRF52840-MDK USB Dongle](https://wiki.makerdiary.com/nrf52840-mdk-usb-dongle/)

src/machine/board_m5stack.go

@@ -0,0 +1,130 @@
+// +build m5stack
+
+package machine
+
+const (
+	//     GND     | ADC     G35
+	//     GND     | ADC     G36
+	//     GND     | RST     EN
+	// G23 MOSI    | DAC/SPK G25
+	// G19 MISO    | DAC     G26
+	// G18 SCK     | 3.3V
+	// G3  RXD1    | TXD1    G1
+	// G16 RXD2    | TXD2    G17
+	// G21 SDA     | DCL     G22
+	// G2  GPIO    | GPIO    G5
+	// G12 IIS_SK  | IIS_WS  G13
+	// G15 IIS_OUT | IIS_MK  G0
+	//     HPWR    | IIS_IN  G34
+	//     HPWR    | 5V
+	//     HPWR    | BATTERY
+
+	IO0  Pin = 0
+	IO1  Pin = 1
+	IO2  Pin = 2
+	IO3  Pin = 3
+	IO4  Pin = 4
+	IO5  Pin = 5
+	IO6  Pin = 6
+	IO7  Pin = 7
+	IO8  Pin = 8
+	IO9  Pin = 9
+	IO10 Pin = 10
+	IO11 Pin = 11
+	IO12 Pin = 12
+	IO13 Pin = 13
+	IO14 Pin = 14
+	IO15 Pin = 15
+	IO16 Pin = 16
+	IO17 Pin = 17
+	IO18 Pin = 18
+	IO19 Pin = 19
+	IO20 Pin = 20
+	IO21 Pin = 21
+	IO22 Pin = 22
+	IO23 Pin = 23
+	IO24 Pin = 24
+	IO25 Pin = 25
+	IO26 Pin = 26
+	IO27 Pin = 27
+	IO28 Pin = 28
+	IO29 Pin = 29
+	IO30 Pin = 30
+	IO31 Pin = 31
+	IO32 Pin = 32
+	IO33 Pin = 33
+	IO34 Pin = 34
+	IO35 Pin = 35
+	IO36 Pin = 36
+	IO37 Pin = 37
+	IO38 Pin = 38
+	IO39 Pin = 39
+)
+
+const (
+	// Buttons
+	BUTTON_A = IO39
+	BUTTON_B = IO38
+	BUTTON_C = IO37
+	BUTTON   = BUTTON_A
+
+	// Speaker
+	SPEAKER_PIN = IO25
+)
+
+// SPI pins
+const (
+	SPI0_SCK_PIN = IO18
+	SPI0_SDO_PIN = IO23
+	SPI0_SDI_PIN = IO19
+	SPI0_CS0_PIN = IO14
+
+	// LCD (ILI9342C)
+	LCD_SCK_PIN = SPI0_SCK_PIN
+	LCD_SDO_PIN = SPI0_SDO_PIN
+	LCD_SDI_PIN = SPI0_SDI_PIN // NoPin ?
+	LCD_SS_PIN  = SPI0_CS0_PIN
+	LCD_DC_PIN  = IO27
+	LCD_RST_PIN = IO33
+	LCD_BL_PIN  = IO32
+
+	// SD CARD
+	SDCARD_SCK_PIN = SPI0_SCK_PIN
+	SDCARD_SDO_PIN = SPI0_SDO_PIN
+	SDCARD_SDI_PIN = SPI0_SDI_PIN
+	SDCARD_SS_PIN  = IO4
+)
+
+// I2C pins
+const (
+	SDA0_PIN = IO21
+	SCL0_PIN = IO22
+
+	SDA_PIN = SDA0_PIN
+	SCL_PIN = SCL0_PIN
+)
+
+// ADC pins
+const (
+	ADC1 Pin = IO35
+	ADC2 Pin = IO36
+)
+
+// DAC pins
+const (
+	DAC1 Pin = IO25
+	DAC2 Pin = IO26
+)
+
+// UART pins
+const (
+	// UART0 (CP2104)
+	UART0_TX_PIN = IO1
+	UART0_RX_PIN = IO3
+
+	UART1_TX_PIN = IO17
+	UART1_RX_PIN = IO16
+
+	UART_TX_PIN = UART0_TX_PIN
+	UART_RX_PIN = UART0_RX_PIN
+)

targets/m5stack.json

@@ -0,0 +1,5 @@
+{
+	"inherits": ["esp32"],
+	"build-tags": ["m5stack"],
+	"serial-port": ["acm:10c4:ea60"]
+}