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Thomas Farstrike
63 lines
2.8 KiB
Python
63 lines
2.8 KiB
Python
import unittest
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from mpos import App, PackageManager
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from camera import Camera, GrabMode, PixelFormat, FrameSize, GainCeiling
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class TestCompareVersions(unittest.TestCase):
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def init_cam(self):
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try:
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cam = Camera(data_pins=[12,13,15,11,14,10,7,2],vsync_pin=6,href_pin=4,sda_pin=21,scl_pin=16,pclk_pin=9,xclk_pin=8,xclk_freq=20000000,pixel_format=PixelFormat.RGB565,powerdown_pin=-1,reset_pin=-1,frame_size=FrameSize.R240X240,grab_mode=GrabMode.LATEST)
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return cam
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except Exception as e:
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#self.assertTrue(False, f"camera init received exception: {e}")
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print(f"camera init received exception: {e}")
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return None
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def test_init_capture_deinit(self):
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cam = self.init_cam()
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self.assertTrue(cam is not None, "camera failed to initialize")
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self.assertEqual(cam.get_pixel_height(), 240, "wrong pixel height")
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self.assertEqual(cam.get_pixel_width(), 240, "wrong pixel width")
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memview = cam.capture()
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self.assertEqual(len(memview), 2 * 240 * 240, "capture size does not match expectations")
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cam.deinit()
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def disabled_test_multiple_runs(self):
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for _ in range(10):
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self.test_init_capture_deinit()
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def disabled_test_init_capture_deinit_poweroff(self):
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self.test_init_capture_deinit()
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from machine import Pin, I2C
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i2c = I2C(1, scl=Pin(16), sda=Pin(21), freq=100000) # Adjust pins and frequency
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devices = i2c.scan()
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print([hex(addr) for addr in devices]) # finds it on 60 = 0x3C after init
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camera_addr = 0x3C # for OV5640
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reg_addr = 0x3008
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reg_high = (reg_addr >> 8) & 0xFF # 0x30
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reg_low = reg_addr & 0xFF # 0x08
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power_off_command = 0x40 # Power off command Bit[6]: Software power down
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#i2c.writeto(camera_addr, bytes([reg_high, reg_low, power_off_command]))
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print("\nSecond capture will fail!")
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self.test_init_capture_deinit()
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def test_init_twice_capture_deinit_poweroff(self):
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self.test_init_capture_deinit()
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from machine import Pin, I2C
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i2c = I2C(1, scl=Pin(16), sda=Pin(21), freq=100000) # Adjust pins and frequency
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devices = i2c.scan()
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print([hex(addr) for addr in devices]) # finds it on 60 = 0x3C after init
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camera_addr = 0x3C # for OV5640
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reg_addr = 0x3008
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reg_high = (reg_addr >> 8) & 0xFF # 0x30
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reg_low = reg_addr & 0xFF # 0x08
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power_off_command = 0x40 # Power off command Bit[6]: Software power down
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#i2c.writeto(camera_addr, bytes([reg_high, reg_low, power_off_command]))
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cam = self.init_cam()
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self.assertTrue(cam is None, "expected camera to fail after i2c")
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print("\nSecond capture should now work!")
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self.test_init_capture_deinit()
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