I just bought this camera, and I'm looking for info on porting CHDK to it too. I'm looking through the developer docs but not too sure what I'm doing yet.
Well, I obviously don't know what I'm doing. For some reason I didn't think I needed to check my firmware version. Of course, I wasn't making much progress. Now I've got the right firmware dump. Hopefully I'll be able to put the things I figured out to good use...now for attempt #2.
WriteSDCardapex2ustimeviewport_fb_dactive_palette_bufferpalette_bufferactive_bitmap_bufferbitmap_bufferpalette_controlrecreview_holdSetZoomActuatorSpeedPercent
But I can't get my DISKBOOT.BIN to boot at all. I tried putting code to turn on the LED from the Debugging page in both loader/sx510hs/entry.S and loader/sx510hs/main.c, but when I insert the (locked) SD card into my camera and try to turn it on with either the power button or the play button, nothing happens. No LED or LCD action at all. The camera hangs up until I remove and reinsert the battery.
I'm decently sure that the address of the main LED is 0xC0220120.
To create the patch, is there any list of dancing bits flavors to follow?
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