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Blinkinlabs / ch554_sdcc

CH554 software development kit for SDCC
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Linux flash tools #37

Open prosper00 opened 3 years ago

prosper00 commented 3 years ago

One of the utilities mentioned in the readme - LibreCH551 - appears to be abandoned, and doesn't work with current chips (or, at least, not with current bootloaders on current chips). I'd recommend removing it from the readme, as well as using a different tool in your Makefiles

I've found a handful of alternative utilities that DO work:

VNPro (patched for more CH55x chips) (https://github.com/LoveMHz/vnproch55x) This is what's used in ch55xduino

ch55x-isptool (https://github.com/ElectronicCats/ch55x-isptool)

chflasher (https://github.com/atc1441/chflasher)

ishiyakazuo commented 3 years ago

I've found one more: https://github.com/MarsTechHAN/ch552tool (a Python-based one). I believe this one also works under Linux (as I seem to recall using it at one point).

cibomahto commented 3 years ago

Good point! We're still slowly working our way though a large stockpile of the older chips, which have the reverse problem of not being compatible with the newer programmers.

prosper00 commented 3 years ago

I think VNPro supports old and new bootloader. At least, the version of VNPro that ch55xduino uses

ishiyakazuo commented 3 years ago

LibreCH55x seems to support the oldest bootloaders I've come across. It's the only one I've seen that supports bootloaders prior to 2.3.0, anyway. https://github.com/rgwan/librech551/tree/master/usbisp

prosper00 commented 3 years ago

https://github.com/ole00/chprog claims to support 1.x and 2.x bootloaders

jjmz commented 3 years ago

Would you know one that supports writing to the DataFlash area ?

cibomahto commented 3 years ago

Finally got back to this project. Using my old parts with a 1.1 bootloader, I tested the following programmers: