更新SANT的摄像头，支持usb获取，修复文本清屏刷新问题

boards/default_src/micropython_esp32s3/origin/build/lib/camera.py

@@ -11,6 +11,7 @@ import base64
 from sensor import *
 from machine import SoftI2C, Pin
 from mixgo_sant import onboard_bot
+from esp_usb import CAM
 
 class GC032A(Camera):
     def __init__(self, framesize=LCD, hmirror=None, frame=1):
@@ -43,3 +44,26 @@ class GC032A(Camera):
                 return _data
         else:
             return super().snapshot(path, quality=50)
+
+class UVC(CAM):
+    def __init__(self, framesize=QVGA):
+        super().__init__(framesize)
+
+    def deinit(self):
+        super().deinit()
+
+    def display(self, show=True):
+        if show:
+            super().display()
+        else:
+            super().display_stop()
+
+    def snapshot(self, path=None, formats=0, quality=50):
+        if path is None:
+            _data = super().snapshot(formats=formats, quality=quality)
+            if formats >= 2:
+                return b'data:image/jpg;base64,' + base64.b64encode(_data)
+            else:
+                return _data
+        else:
+            return super().snapshot(path, quality=50)

boards/default_src/micropython_esp32s3/origin/build/lib/st7789_cf.py

@@ -10,6 +10,8 @@ from tftlcd import LCD15
 
 class ST7789(uframebuf.FrameBuffer_Uincode):
 	def __init__(self, width=240, height=240, reset=None, backlight=None, direction=1, font_address=0x700000):
+		self.display = LCD15(portrait=direction)
+		self.display.deinit()
 		if reset is not None:
 			reset(0, 50)
 			reset(1, 100)