Method checkAFSR

modules/drivers/it8951/it8951.js:166–179

()

        this.updateArea(0, 0, M5EPD_PANEL_W, M5EPD_PANEL_H, mode);
	}
	checkAFSR() {
		const start = Date.now();
		const info = new Array(1);
		do { 
			this.writeCommand(IT8951_TCON_REG_RD);
			this.writeWord(IT8951_LUTAFSR);
			this.readWords(info);
			if (0 === info[0])
				return;

			if ((Date.now() - start) > 3000)
				throw new Error("time out");
		} while (true);
	}
	fillArea(x, y, w, h, color) {
		if (w & 3)
			throw new Error;