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I complete a UVC camera with FX3 CyUSB3014 with guide of AN75779, but it works well in stream mode, but it goes bad in trigger mode;
The cmos sensor works in streaming mode, and outpus raw data; the raw data is transfered to PC through FX3 on USB bus. After I set this CMOS sensor into trigger mode, and have the trigger pin in high level, no transfer continues. the firmware prints log: "UVC: Completed 0 frames and 0 buffers".
I check the output of cmos sensor, PCLK,FV,and LV works well. it seems that the GPIF hasn't generate event to firmware, I don't know the reseaon, because the timing is good. In the meatime, I find, when the cmos sensor is in standby mode with trigger pin low, no PCLK,FV, and LV are found.
Solved! Go to Solution.
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USB Superspeed Peripherals
- Tags:
- usb3014
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