Re: FULL firmware 9.1.51 (ACU7515) - HELP !!! I need it
 

I recommend you download the files provided above to see if you really understand the source code before requesting more firmware.

"i am a programmer" -- may be, but you need to knows the embedded system method, Z80 assemble languages and C, also the hardware architecture.

Re: FULL firmware 9.1.51 (ACU7515) - HELP !!! I need it
 

hi lolita,

i tried going to the rapidsahre link but traffic was heavy, is't possible if this can be downloaded in megaupload instead, sorry for the inconvenience.

'i am a programmer too" :) if this is the hope to resolve my problem in my mp4.

thanks a lot.

Re: FULL firmware 9.1.51 (ACU7515) - HELP !!! I need it
 

lolita,

no need, im downloading it right now, hope this will shed a lot of light with my mp4.

i'll check what can i do.

thanks for your help lolita, im still trying to contact smarkies but no luck, we have the same mp4.

regards.

Re: FULL firmware 9.1.51 (ACU7515) - HELP !!! I need it
 

Lolita,

Your one of a kind, you've given me a tremendoous complete information regarding my mp4 chip ACU7515.

I'll try my best, it's very good, very complete :)

wish me luck :)

thanks again. keep u inform incase just incase i complied this application :)

Re: FULL firmware 9.1.51 (ACU7515) - HELP !!! I need it
 

Lolita,

I manage to compile and create firmware but when i'm flashing it to my mp4 using MP3 Utilities v 3.68 it gives me an error 'invalid firmware upgrade"

i'm still trying to figure out what else missing from the created firmware.

Re: FULL firmware 9.1.51 (ACU7515) - HELP !!! I need it
 

Hi! Well you are definately right. I do not use C in my daily work, I am a PureBasic programmer, however the languages are not so different. I have 4 years experience so far and I even developed security software. But nothing about embedded systems and no Z80 unfortunately. I understand some of the code but not all. I think you're right about this, there is no need to have too much sourcecode if we are stuck with it. Anyway you are a pioneer and I'm sure the guys at s1mp3.org that created the SWAN API could use this code. Let me ask you something: Can I give the sourcecode to those programmers there or I am not allowed?

Oh, and wouldn't it be possible to create a library to use in the operating system that would require the LCD and the chipset to identify and simply load the required drivers and then the operating system files? Exactly like Windows XP does. There are literally thousands of graphic cards, network cards, motherboards, but Windows can handle them all with different drivers in a pack.

Thank you for your time!

If people prefer megaupload I have uploaded the firmware files I managed to compile (but sadly neither worked with my player)

http://www.megaupload.com/?d=HK6I00Z8 is the Actions 7515 9.1.51 (NODRM) firmware

http://www.megaupload.com/?d=L1H2MWRE is the Actions 7515 9.1.51 (DRM) firmware

Lolita's comprehensive information files are at:

http://www.megaupload.com/?d=LL4AP97L is the source code, firmware components, tools, hardware diagrams etc for the Actions 7515 9.1.51 (NODRM)

http://www.megaupload.com/?d=0P68FUMC is the source code, firmware components, tools, hardware diagrams etc for the Actions 7515 9.1.51 (DRM)

Good luck. I reckon we need some good embedded realtime programmers on the case!

PS sorry I made mistake & listed this as for Actions 7515_S75 when I now actually this it is for straight Actions 7515 chip...

Re: FULL firmware 9.1.51 (ACU7515) - HELP !!! I need it
 

Yup,

We need some people to create the base, the low level part (drivers, the kernel API) and then we can create the graphical interface and the main programs on them. I am getting in touch with some friends that fiddled with some of these things and i hope they can help us. I'll keep you informed.

Re: FULL firmware 9.1.51 (ACU7515) - HELP !!! I need it
 

It is (c) Actions Semiconductor Co, Ltd. and available to authorise distributor of Acions.

This is a 24MHz 8-bit CPU with 8Kb of RAM and several MB of space for firmware only. It is not a PC.

Re: FULL firmware 9.1.51 (ACU7515) - HELP !!! I need it
 

Yes, I only said that with proper software identification this whole thing would be possible. However I do not have the knowledge to modify it yet.