Rockbox Development > New Ports

SanDisk Sansa c200v2, m200v4, clipv1, clipv2, clip+, and fuzev2

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saratoga:
Ok then that should be fine.

funman:
I would like to make a new release of mkamsboot, which includes the fix for c200v2, and Clip+/Fuzev2 patching (even if those are still unusable at this moment).

That would also include the md5sums of OFs versions released since mkamsboot 1.1

Can someone test if Clipv2 OF v2.01.35 can be used without bricking your clipv2? md5sum of OF is a3cbbd22b9508d7f8a9a1a39acc342c2

ranma:
I've polished my patch for software backlight brightness control and created a task on flyspray for it:
http://www.rockbox.org/tracker/task/11119
I also added my usb detect patch to the tracker:
http://www.rockbox.org/tracker/task/11120

Still pending:
c200v2 variant detection using gpioa7.
Waiting for feedback from bertrik (sent him an email with preliminary patch and compiled rockbox.sansa / english.lng).

For reference:
OF does variant detection by setting a7 to input and reading it back.
If 0 => my variant, a5 is buttonlight, a7 is backlight, d7 is 'menu' text light below power/menu button, no usb detect pin found so far
If 1 => other variant, a5 is backlight, d7 is buttonlight
OF (c200-03.02.05) has fiq handler for backlight pwm at 0x3d38, which reads the model variable from 0x202e9 (at 0x3d48) and backlight toggling at 0x3d8c (on) and 0x3da0 (off).
This variable is set by init_hardware(0x8000) subroutine, which also checks for another pullup/pulldown value on a1 on my model (usbdetect on other variant) and stores that at 0x202e8.

[edit]
OF VIC vectors:

--- Code: ---> mdw phys 0xC6010100 0x10
0xc6010100: 00003d2c 00003bf4 00008e9c 00003d08 00003cfc 00003d14 00003d20 00003cf0
0xc6010120: 00000000 00003c5c 00003c74 00000000 00000000 00000000 00000000 00000000
> mdw phys 0xC6010200 0x10
0xc6010200: 00000021 00000024 00000023 0000002e 0000002d 00000025 00000027 0000002c
0xc6010220: 00000000 0000003d 0000003e 00000000 00000000 00000000 00000000 00000000

--- End code ---

irq1 / timer1 => 0x3d2c
irq4 / dmac => 0x3bf4
irq3 / usb =>0x8e9c
irq14 / i2sout => 0x3d08
irq13 / i2sin => 0x3cfc
irq5 / nand => 0x3d14
irq7 / mci irq0 => 0x3d20
irq12 / i2caudio => 0x3cf0
irq29 / gpio a => 0x3c5c
irq30 / gpio b => 0x3c74

The gpio a handler checks for a6 and acks a6.
The gpio b handler is a bit more complicated, but it definitely acks b0.
[/edit]

just_me:
@funman
> #define USB_PRODUCT_ID 0x74d1

Maybe add the USB ID for

Sansa Clip+ (mtp) or
Sansa Clip+ (msc)

to "The USB ID Repository"
https://usb-ids.gowdy.us/read/UD/0781/
as well?

Greetings,
Frieder

funman:
the entry already present is for mtp (0x74d0), 0x74d1 is msc

I don't know how to edit entries, nor do i have a login so feel free to complete/correct this list

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