更新OLED+TFT显示器支持二维码生成显示

boards/default_src/micropython/origin/build/lib/uframebuf.py

@@ -163,6 +163,7 @@ class FrameBuffer_Base(FrameBuffer):
 		self._buffer = buf
 		self._way = 1
 		self._speed = 100
+		self._miniqr = None
 
 	def show(self):
 		print("External inheritance is required to override this method")
@@ -551,3 +552,20 @@ class FrameBuffer_Uincode(FrameBuffer_Base):
 					x = buffer[1][0] * size + x + space
 				self.show()
 				time.sleep_ms(speed)
+
+	def qrcode(self, data, x=0, y=0, size=None, bold=0, type=None, correct=0, color=0xffff, bg_color=0x0, sync=True):
+		if self._miniqr is None:
+			from adafruit_miniqr import QRCode
+			self._miniqr = QRCode
+		_qr = self._miniqr(qr_type=type, error_correct=correct)
+		_qr.add_data(data)
+		_qr.make()
+		if sync: self.fill(bg_color, sync=False)
+		size = min(self.height // _qr.matrix.height, self.width // _qr.matrix.width) if size is None else size
+		for j in range(_qr.matrix.height):
+			for i in range(_qr.matrix.width):
+				if _qr.matrix[i, j]:
+					self.fill_rect(x + i * size, y + j * size, int(size + bold), int(size + bold), color, sync=False)
+		del _qr
+		gc.collect()
+		if sync: self.show()