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Thomas Farstrike
78 lines
1.5 KiB
Python
78 lines
1.5 KiB
Python
try:
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from camera import Camera, GrabMode, PixelFormat, FrameSize, GainCeiling
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cam = Camera(
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data_pins=[12,13,15,11,14,10,7,2],
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vsync_pin=6,
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href_pin=4,
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sda_pin=21,
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scl_pin=16,
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pclk_pin=9,
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xclk_pin=8,
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xclk_freq=20000000,
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powerdown_pin=-1,
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reset_pin=-1,
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#pixel_format=PixelFormat.RGB565,
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pixel_format=PixelFormat.GRAYSCALE,
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frame_size=FrameSize.R240X240,
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grab_mode=GrabMode.LATEST
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)
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print("it worked!")
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except Exception as e:
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print(f"Exception: {e}")
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images=300
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import webcam
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import time
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class Webcam:
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def __init__(self):
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# webcam.init() returns (obj, capture_grayscale, deinit)
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self.obj, self._capture_grayscale, self._deinit = webcam.init()
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def capture_grayscale(self):
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return self._capture_grayscale(self.obj)
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def deinit(self):
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return self._deinit(self.obj)
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starttime = time.ticks_ms()
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# Usage
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cam = Webcam()
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for _ in range(images):
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buf = cam.capture_grayscale()
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print(len(buf)) # Should print 57600 (240 * 240)
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endtime = time.ticks_ms()
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print(f"duration: {endtime-starttime}ms")
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cam.deinit()
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#from webcam import Webcam, init, capture_frame, deinit
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import webcam
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cam = webcam.init("/dev/video0") # Initialize webcam with device path
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for i in range(1000):
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buf = webcam.capture_frame(cam) # Captures frame, returns 240x240 grayscale buffer
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print(f"buffer {i} has length {len(buf)}") # Prints 57600
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webcam.deinit(cam) # Deinitializes webcam
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