Method write

tools/xsbug/esptool.js:233–279

(options, progress = function() {})

		return result;
	}
	async write(options, progress = function() {}) {
		const sizes = ("esp32" === this.#mcu) ? sizes_esp32 : sizes_esp8266;
		const bootloaderOffset = ("esp32" === this.#mcu) ? 0x1000 : 0;
		let offset = options.offset;
		let data = new Uint8Array(options.data);

		if ((undefined === offset) || ("app" === offset))
			offset = ("esp32" === this.#mcu) ? 0x10000 : 0x1000;
		else if ("bootloader" === offset)
			offset = bootloaderOffset;

		if ((offset === bootloaderOffset) && (0xe9 === data[0])) {
			let mode = modes[data[2]];
			let frequency = frequencies[data[3] & 0x0F];
			let size = sizes[data[3] >> 4];
			let update;

			if (this.#flashOptions.mode && (this.#flashOptions.mode !== mode)) {
				mode = this.#flashOptions.mode;
				if (modes.indexOf(mode) < 0)
					throw new Error("invalid flash mode");
				update = true;
			}

			if (this.#flashOptions.frequency && (this.#flashOptions.frequency !== frequency)) {
				frequency = this.#flashOptions.frequency;
				if (frequencies.indexOf(frequency) < 0)
					throw new Error("invalid flash frequency");
				update = true;
			}

			if (this.#flashOptions.size && (this.#flashOptions.size !== size)) {
				size = this.#flashOptions.size;
				if (sizes.indexOf(size) < 0)
					throw new Error("invalid flash size");
				update = true;
			}

			if (update) {
				data = data.slice(0);
				data[2] = modes.indexOf(mode);
				data[3] = frequencies.indexOf(frequency) | (sizes.indexOf(size) << 4);
			}
		}

		await this.downloadToFlash(data, offset, true, progress);
	}
	async restart() {
	//@@ command -- flash end to restart!
		this.#serial.set({DTR: false, RTS: true});