更新sant 摄像头初始化跳帧操作

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

@@ -19,7 +19,7 @@ class IMG:
         self.format = "RGB565"
 
 class Camera(Camera):
-    def __init__(self, frame_size=FrameSize.R240X240, pixel_format=PixelFormat.RGB565, hmirror=False, vflip=False, **kwargs):
+    def __init__(self, frame_size=FrameSize.R240X240, pixel_format=PixelFormat.RGB565, skip_frame=3, hmirror=False, vflip=False, **kwargs):
         from mixgo_sant import onboard_bot
         onboard_bot.cam_reset(1, 0)
         onboard_bot.cam_en(1, 150)
@@ -29,6 +29,8 @@ class Camera(Camera):
         self.set_vflip(not vflip)
         time.sleep_ms(50)
         SoftI2C(scl=Pin(47), sda=Pin(48), freq=400000)  # 恢复I2C
+        for _ in range(skip_frame):
+            super().capture()
 
     def deinit(self):
         super().deinit()

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

@@ -9,7 +9,7 @@ from espdl import *
 
 def analyze(results, keys=None, num=0):
     if keys is None:
-        return results is not None
+        return True if results else False
     if results:
         if keys == "len":
             return len(results)