add esp32/m5nanoh2

build/devices/esp32/targets/m5nanoc6/setup-target.js

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2024  Moddable Tech, Inc.
+ * Copyright (c) 2026  Moddable Tech, Inc., Satoshi Tanaka
  *
  *   This file is part of the Moddable SDK Runtime.
  *
@@ -20,46 +20,18 @@
 
 import config from "mc/config";
 import NeoPixel from "neopixel";
-import Timer from "timer";
 import Button from "button";
 import LED from "led";
 import Digital from "pins/digital";
 
 class NeoPixelLED extends NeoPixel {
-  #value = 0;
   constructor(options) {
-    // Enable RGB LED Power
-    const power = new Digital({
-      pin: config.led.rgb.power_pin,
-      mode: Digital.Output,
-    });
-    power.write(1);
-
-    super({
+    return new NeoPixel({
       ...options,
       pin: config.led.rgb.data_pin,
       length: 1,
       order: "GRB",
     });
-    super.brightness = config.led.rgb.brightness;
-  }
-  read() {
-    return this.#value;
-  }
-  write(value) {
-    this.#value = value;
-    if (value) {
-      super.setPixel(0, super.makeRGB(255, 255, 255));
-    } else {
-      super.setPixel(0, super.makeRGB(0, 0, 0));
-    }
-    super.update();
-  }
-  on() {
-    this.write(1);
-  }
-  off() {
-    this.write(0);
   }
 }
 
@@ -72,7 +44,7 @@ class BlueLED {
   }
 }
 
-class Flash {
+class buttonA {
   constructor(options) {
     return new Button({
       ...options,
@@ -90,13 +62,19 @@ globalThis.Host = Object.freeze(
       Blue: BlueLED,
     },
     Button: {
-      Default: Flash,
-      Flash,
+      Default: buttonA,
+      a: buttonA,
     },
   },
   true
 );
 
 export default function (done) {
+  // Enable RGB LED Power
+  const power = new Digital({
+    pin: config.led.rgb.power_pin,
+    mode: Digital.Output,
+  });
+  power.write(1);
   done?.();
 }

build/devices/esp32/targets/m5nanoh2/host/provider.js

@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2026  Satoshi Tanaka
+ *
+ *   This file is part of the Moddable SDK Runtime.
+ *
+ *   The Moddable SDK Runtime is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Lesser General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   The Moddable SDK Runtime is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU Lesser General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Lesser General Public License
+ *   along with the Moddable SDK Runtime.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+import I2C from "embedded:io/i2c";
+import SMBus from "embedded:io/smbus";
+import Digital from "embedded:io/digital";
+
+const device = {
+	I2C: {
+		default: {
+			io: I2C,
+			data: 2,
+			clock: 1
+		}
+	},
+	io: {I2C, SMBus, Digital}
+};
+
+export default device;

build/devices/esp32/targets/m5nanoh2/manifest.json

@@ -0,0 +1,48 @@
+{
+	"build": {
+		"ESP32_SUBCLASS": "esp32h2",
+		"USE_USB": "2",
+		"SDKCONFIGPATH": "./sdkconfig",
+		"PARTITIONS_FILE_FOR_TARGET": "./sdkconfig/partitions.csv",
+		"PROGRAMMING_MODE_MESSAGE": "INSTRUCTIONS: Hold the BOOT button and press then release the RST button.",
+		"BEFORE_DEBUGGING_MESSAGE": "Press and release the RST button."
+	},
+	"include": [
+		"$(MODULES)/drivers/button/manifest.json",
+		"$(MODULES)/drivers/led/manifest.json",
+		"$(MODULES)/drivers/neopixel/manifest.json"
+	],
+	"modules": {
+		"setup/target": "./setup-target"
+	},
+	"preload": [
+		"setup/target",
+		"neopixel"
+	],
+	"config": {
+		"screen": "",
+		"led": {
+			"rgb": {
+				"power_pin": 10,
+				"data_pin": 11,
+				"rainbow": false,
+				"brightness": 32
+			},
+			"blue": {
+				"pin": 4
+			}
+		}
+	},
+	"creation": {
+		"static": 0,
+		"chunk": {
+			"initial": 78848,
+			"incremental": 0
+		},
+		"heap": {
+			"initial": 4928,
+			"incremental": 0
+		},
+		"stack": 512
+	}
+}

build/devices/esp32/targets/m5nanoh2/sdkconfig/partitions.csv

@@ -0,0 +1,24 @@
+#
+# Copyright (c) 2016-2023  Moddable Tech, Inc.
+#
+#   This file is part of the Moddable SDK Tools.
+# 
+#   The Moddable SDK Tools is free software: you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation, either version 3 of the License, or
+#   (at your option) any later version.
+# 
+#   The Moddable SDK Tools is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+# 
+#   You should have received a copy of the GNU General Public License
+#   along with the Moddable SDK Tools.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+# Name,   Type, SubType, Offset,  Size, Flags
+# Note: if you change the phy_init or app partition offset, make sure to change the offset in Kconfig.projbuild,,,,
+nvs,      data, nvs,     0x9000,  0x006000,
+phy_init, data, phy,     0xf000,  0x001000,
+factory,  app,  factory, 0x10000, 0x3E0000,

build/devices/esp32/targets/m5nanoh2/sdkconfig/sdkconfig.defaults

@@ -0,0 +1,4 @@
+CONFIG_ESPTOOLPY_FLASHSIZE_4MB=y
+CONFIG_ESPTOOLPY_FLASHSIZE_2MB=n
+
+

build/devices/esp32/targets/m5nanoh2/setup-target.js

@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 2026  Satoshi Tanaka
+ *
+ *   This file is part of the Moddable SDK Runtime.
+ *
+ *   The Moddable SDK Runtime is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Lesser General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   The Moddable SDK Runtime is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU Lesser General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Lesser General Public License
+ *   along with the Moddable SDK Runtime.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+import config from "mc/config";
+import NeoPixel from "neopixel";
+import Button from "button";
+import LED from "led";
+import Digital from "pins/digital";
+
+class NeoPixelLED extends NeoPixel {
+	constructor(options) {
+		return new NeoPixel({
+			...options,
+			pin: config.led.rgb.data_pin,
+			length: 1,
+			order: "GRB",
+		});
+	}
+}
+
+class BlueLED {
+	constructor(options) {
+		return new LED({
+			...options,
+			pin: config.led.blue.pin,
+		});
+	}
+}
+
+class buttonA {
+	constructor(options) {
+		return new Button({
+			...options,
+			pin: 9,
+			invert: true,
+		});
+	}
+}
+
+globalThis.Host = Object.freeze(
+	{
+		LED: {
+			Default: NeoPixelLED,
+			RGB: NeoPixelLED,
+			Blue: BlueLED,
+		},
+		Button: {
+			Default: buttonA,
+			a: buttonA,
+		},
+	},
+	true
+);
+
+export default function (done) {
+	// Enable RGB LED Power
+	const power = new Digital({
+		pin: config.led.rgb.power_pin,
+		mode: Digital.Output,
+	});
+	power.write(1);
+	done?.();
+}

documentation/devices/esp32.md

@@ -246,6 +246,7 @@ The Moddable SDK supports these ESP32-H2 development kits:
 | Name | Platform identifier | Key features | Links |
 | :---: | :--- | :--- | :--- |
 |  <img src="./../assets/devices/esp32-h2-devkitm.png" width=125><BR>ESP32-H2-DevKitM-1 | `esp32/esp32h2` | NeoPixel, Button | <li>[Product page](https://docs.espressif.com/projects/espressif-esp-dev-kits/en/latest/esp32h2/esp32-h2-devkitm-1/user_guide.html)</li> |
+|  <img src="./../assets/devices/m5nanoh2.png" width=125><BR>M5NanoH2 | `esp32/m5nanoh2` | LED, NeoPixel, Button | <li>[Product page](https://docs.m5stack.com/en/core/NanoH2)</li> |
 
 <a id="platforms-manifest"></a>
 ### Specifying ESP32 Subclass in Manifest

modules/io/manifests/esp32/manifest.json

@@ -121,6 +121,11 @@
 				"embedded:provider/builtin": "$(SUBPLATFORMDIRECTORY)/host/provider"
 			}
 		},
+		"esp32/m5nanoh2": {
+			"modules": {
+				"embedded:provider/builtin": "$(SUBPLATFORMDIRECTORY)/host/provider"
+			}
+		},
 		"esp32/*": {
 			"include": [
 				"$(MODDABLE)/examples/manifest_net.json"