search

stawel / cheali-charger

cheap lipo charger
829 stars 275 forks source link

Hobbyking HKC6 #210

Open nickxab opened 7 years ago

nickxab commented 7 years ago

Can i install this FW in Hobbyking HKC6 charger ?

stawel commented 7 years ago

I don't really know, do you have pictures of it's PCB? what CPU is inside?

nickxab commented 7 years ago

Here is my charger: http://imgur.com/a/1BRar Sadly the cpu is scratched from the upper side from the factory so i can't see the model. Is a "copy" of Turnigy Accucell 6 if i'm not mistaken. I followed this mod to add the USB data logging on my charger: http://reddishrock.blogspot.gr/2013/08/turnigy-accucell-6-mod-1-adding-usb.html Is there any way to check the cpu model using my pc ?

Edit: I forgot to upload the photo with the cpu, so here it is http://imgur.com/a/mjpTL

stawel commented 7 years ago

Sadly the cpu is scratched from the upper side from the factory so i can't see the model.

my guess is that is is not supported - most of the chargers without a label on CPU are presumably Z51F3220FNX chips which are not supported.

Is there any way to check the cpu model using my pc ?

  1. you could check if the quartz is 16MHz (atmega32 base boards use such a crystal)
  2. check if the pins have something in common with atmega32 http://www.atmel.com/Images/doc2503.pdf page 2, especially pins: a) MOSI,MISO, SCK, ~RESET - programmer pins b) VCC, GND c) XTAL1, XTAL2 (quartz crystal pins)
  3. if you have a avr ISP programmer you could check if avrdude connects to (recognizes) the cpu - but please check first how the 10pins connector is connected to the CPU.
nickxab commented 7 years ago

The pinout is exactly like atmega32, my crystal is also 16MHz. http://imgur.com/a/FKKvZ

stawel commented 7 years ago

maybe it is a atmega32, have you tried to flash it?

nickxab commented 7 years ago

I don't have my AVR programmers here :/ but i have an Arduino UNO here. As i know you can flash them using arduino...should i give it a try ? :D

stawel commented 7 years ago

It's up to You, but be aware, I have never seen such a PCB so there is a change we will have to do some modifications to the firmware.

nickxab commented 7 years ago

i have my usbasp now and i used the eXtreme Burner- AVR program on windows to verify my chip, indeed is atmega32 (i'm lucky). That charger is 60W by the way. What can i do now ? I mean are 60W chargers supported ? :)

stawel commented 7 years ago

...i used the eXtreme Burner...

please don't touch the avr fuses, or you will most likely brick your charger ;) in my opinion avrdude is much safer to use but it's a console ("cmd.exe") program.

It would be wise to check if other CPU pins are connected like in a imax B6 charger: http://www.rcgroups.com/forums/showatt.php?s=df7049bcbafdb5d7d06765c264e5c4bb&attachmentid=3693125&d=1293732709 (if the PCB layout is the same)

then you could try this version: https://github.com/stawel/cheali-charger/blob/master/hex/cheali-charger-imaxB6-original_2.00-e10.3.12-20160613_atmega32.hex

if it works I will make a 60W version for you.

stawel commented 7 years ago

here you got a pic. with the critical pins marked in red, at least check if they are connected to something that looks similar as in the schematic. Other pins should (I hope) not brick your charger when connected differently.

rc-power_bc6_charger

nickxab commented 7 years ago

Oh i see, thank you very much for the response. :) I will open it again and will check them. Avrdude is this one, right ? http://www.nongnu.org/avrdude/ One more question, can i back up the stock FM from my chip ? so just in case that something goes wrong i can restore it back.

diggit commented 7 years ago

...can i back up the stock FM from my chip ?

Look here.