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mcDomDom / RTDProgrammer

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Unkown firmware on dump creation #1

Closed Ka8oum closed 7 months ago

Ka8oum commented 7 months ago

Hi,

I tried to add a comment under your post but I have a weird message (google translate) "If the body contains only alphanumeric characters, it cannot be written." and so it doesn't allow me to post there so I thought of asking here.

I believe I have setup similar to Newman (from the comments on your blog). I followed your instructions and seemed to have been able to successfully read the firmware, I have a 512Kb File

it appears my screen is on /dev/i2c-21 I needed to run ./rtd2660 -r firmware.bin 21

I have the following output after the firmware reading:

Ready Working with device 4a JEDEC ID: 0x856013 Manufacturer Puya Chip: P25Q40SH Size: 512KB Flash status register(S7-S0): 0xbc Flash status register(S15-S8): 0x40 SaveFlash firmware.bin size=512(kbyte) Reading addr 7fc00 done. Received data CRC f4 Chip CRC f4 Success!

My board is a green pcb, here is the link to the exact one I bought https://www.aliexpress.com/item/1005006266026368.html?spm=a2g0o.order_list.order_list_main.29.52511802eQuuMa

I have therefore an ipad screen attached on it.

I want to try your firmware modification because after changing the image orientation in the OSD I do not have any display output anymore and I hope I can change some settings there to put the controller back to factory defaults

when I try to do the dump of firmware.bin, I have "Unkown Firmware" message

Do you know how I can solve this?

mcDomDom commented 7 months ago

Hello. First, please send me the dumped firmware somehow. You may also attach the zip file as a reply to this comment.

Ka8oum commented 7 months ago

Hi, Sorry for the delay I was not near my raspberry for the last couple of days. Here is the firmware I could extract firmware.zip

mcDomDom commented 7 months ago

Hello. I filled in the area that seems to be the firmware settings storage area with 0xFF. Try writing with ./rtd2660 -w firmware_0x7B000_FF.bin 21 firmware_0x7B000_FF.zip

Ka8oum commented 7 months ago

Thanks for you help, unfortunately it doesn’t seem to wok Here is what I get:

~/RTDProgrammer $ ./rtd2660 -w firmware_0x7B000_FF.bin 21
Ready
Working with device 4a
JEDEC ID: 0x856013
Manufacturer Puya
Chip: P25Q40SH
Size: 512KB
Flash status register(S7-S0): 0xbe
Flash status register(S15-S8): 0x40
Check original firmware firmware_0x7B000_FF.bin
unknown firmware
original firm firmware_0x7B000_FF.bin not exist or invalid(nRet=0)
mcDomDom commented 7 months ago

sorry. I forgot that there is a firmware check function. The github source has been updated, so after importing it and building it, rename firmware_0x7B000_FF.bin to firmware_0x7B000_FF_force.bin and try writing it.

Ka8oum commented 7 months ago

Thank you so much, you saved my day!