egzumer / uvtools Goto Github PK
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Web-based firmware patcher for various Quansheng radios
Home Page: https://whosmatt.github.io/uvmod/
This project forked from whosmatt/uvmod
Web-based firmware patcher for various Quansheng radios
Home Page: https://whosmatt.github.io/uvmod/
I'm analyze source code and found some strange inconsistency.
Your uvtool utility uses write flash packet with data length fields 0x01,0x00, see this line:
Line 178 in 7148b01
// the length is fixed to 0x100 bytes
const length_msb = 0x01;
const length_lsb = 0x00;
return new Uint8Array([0x19, 0x5, 0xc, 0x1, <...>, length_msb, length_lsb, 0x0, 0x0, ...data]);
But k5prog flasher uses this packet with length in reversed order 0x00,0x01, see this line: https://github.com/sq5bpf/k5prog/blob/241ab18b61f6d8933fecf60643fe94322fbf4198/k5prog.c#L698
len=UVK5_FLASH_BLOCKSIZE=0x100;
writeflash[12]=len&0xff;
writeflash[13]=(len>>8)&0xff;
Could you please help to understand what is going on here? And which version is correct?
Thanks
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