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ArduCAM / ArduCAM_USB_Camera_Shield

This is the repository for ArduCAM USB Camera Shield
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can't display 752 x 480 on MT9V022 with edits to ArducamCfg.json #152

Open coldstart01 opened 3 years ago

coldstart01 commented 3 years ago

Can only toggle 752 x 480 mode in USB Test App with direct input to registers. I try the same setup in another solution and itr only works by editing the .JSON file to 640 x 480 resolution: is the Arducam MT9V022 752 x 480 really supported?

coldstart01 commented 3 years ago

Not working JSON file: Working copy after.

{ "camera_param": { "emI2cMode": 1, "emImageFmtMode": 4, "u32Height": 480, "u32Width": 752, "u32I2cAddr": "0x90", "u8PixelBits": 8, "u8PixelBytes": 1, "u32TransLvl": 64 }, "board_param_usb2": [ [ "0xD7", "0x4600", "0x0100", "0x01", [ "0x05" ] ], [ "0xD7", "0x4600", "0x0200", "0x01", [ "0x00" ] ], [ "0xD7", "0x4600", "0x0300", "0x01", [ "0x00" ] ] ], "board_param_usb3": [ [ "0xF3", "0x0000", "0x0000", "0x00", [] ], [ "0xF9", "0x0000", "0x0000", "0x00", [] ] ], "register_param_usb2": [ [ "0x03", "0x01E0" ], [ "0x04", "0x0280" ], [ "0x0D", "0x0300" ] ], "register_param_usb3": [ [ "0x03", "0x01E0" ], [ "0x04", "0x0280" ], [ "0x0D", "0x0300" ] ] }

Working copy: { "camera_param": { "emI2cMode": 1, "emImageFmtMode": 4, "u32Height": 480, "u32Width": 640, "u32I2cAddr": "0x90", "u8PixelBits": 8, "u8PixelBytes": 1, "u32TransLvl": 64 }, "board_param_usb2": [ [ "0xD7", "0x4600", "0x0100", "0x01", [ "0x05" ] ], [ "0xD7", "0x4600", "0x0200", "0x01", [ "0x00" ] ], [ "0xD7", "0x4600", "0x0300", "0x01", [ "0x00" ] ] ], "board_param_usb3": [ [ "0xF3", "0x0000", "0x0000", "0x00", [] ], [ "0xF9", "0x0000", "0x0000", "0x00", [] ] ], "register_param_usb2": [ [ "0x03", "0x01E0" ], [ "0x04", "0x0280" ], [ "0x0D", "0x0300" ] ], "register_param_usb3": [ [ "0x03", "0x01E0" ], [ "0x04", "0x0280" ], [ "0x0D", "0x0300" ] ] }

coldstart01 commented 3 years ago

Also the 752 x 480 will work in USB Test app when "fit to window" is checked.

chutsu commented 3 years ago

You need to set the register 0x04 (Window Height for Context A) to 0x2F0, which is hexidecimal for 752. Your current JSON file you pasted above is setting the register to 0x0240 which is hexidecimal for 680. See page 5 and 9 of the MT9V034 Register Reference for more info. I cannot link you the document because technically the document is confidential and proprietary, but you can obtain it easily.

P.S. Consider formatting your JSON properly using the code block markdown syntax.