WIP enabling autofocus

[jepler]

I can see the autofocus state machine go through several states when I request autofocus but it doesn't seem to actually change the focus (nothing on the viewfinder gets any sharper, and there's not the slight change in FOV I associate with a focus change)

SEL
32
release focus                        status=70 busy?=00
autofocus                            status=00 busy?=00
0
autofocus status 20 -> 00
autofocus status 00 -> 10
autofocus status 10 -> 20
autofocus status 20 -> 00
autofocus status 00 -> 10
autofocus status 10 -> 20
autofocus status 20 -> 00
autofocus status 00 -> 10
autofocus status 10 -> 20
autofocus status 20 -> 00
autofocus status 00 -> 10
autofocus status 10 -> 20

typical output .. at the top the SEL button has been pressed to begin autofocus. Status goes through 0x70 (idle), 0x00 (focusing) and 0x10 (focused). It also goes to an undocumented state (0x20) and then loops back 00 -> 10 -> 20 without additional presses of SEL, once every few seconds after the first press of the autofocus button.

ping @ladyada

[ladyada]

oh you have to solder the jumper closed below the camera, that will power the motor

[jepler]

after doing that it does seem to focus! however, putting it on the "SEL" button is probably not ideal. I will look into what you were suggesting about short/long shutter presses.

[ladyada]

thank you! <3

[jepler]

Now you can enter the LED setting modes with the left/right buttons, and cycle through some modes with up/down:

• brightness: 0, .1, .2, .5, 1
• colors: white, red, orange, yellow, green, cyan, blue, magenta, rainbow

"white" uses the W LED element, not the RGB elements.

[jepler]

Now the shutter button does focus + capture:

• short press alone: capture
• long press alone: focus
• short press + long press: focus, then capture so the SEL button can re-purposed for switching colors if desired (but this is done with the directional buttons right now)

[jepler]

@ladyada wanna test or should I just jab the merge button?

[ladyada]

jabbed! and will test