if anyone want to open Uart any Sti 7xxx Cpu . connect Jtag and make sure all Jtag pins are ok
for Jtag need a FTDI 4232H and get Jtag open after put a Uboot source code and compile U Boot for his Bord config if all ok then run U Boot on ur Bord after get Uart Open LOAD Sti stdkdma
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and you didn’t think that some manufacturers(providers) disable access ejtag by secfuses ,passwd etc
if Jtag is disable then u keep try connect Jtag and do Glitch for get Jtag open
Try glicth on Cpu VCC
for more Help upload here ur Flash dump and box bord photo
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Yes it is possible to change uboot etc but you need a socket for the cpu and room and create a converter for chipwhisperer since the glitch in sti is with positive voltage and the cw sends negative.
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thanks alex after procced your guidline J-TAG open but UART not replied, now i can open console with J-TAG
Hello,
Can someone show me jtag pins or uart pins on this board ?
does this boot also work on the sti 7101 processor? Can I have the UART open?
thanks you for your help
try debugger if you have not uart pins, STM32l00
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Hello,
Does anyone have the Bin to open the UART on this board?
Thanks
Hi!!
Can anyone help me with how to glitch this card?
Thanks you
chek your flash memory and upload 2nd boot. glitch on VCC and RESET A20 A21 -whatever you like use.
Sagemcom DS187 by pifreebox@gmail.com [32-bit mode]
U-Boot 1.3.1 (Oct 10 2012 12:22:46) stm24_0057
DRAM: 256 MiB
NOR:
64 MiB
*** Varning bad CRC, using default environment
In:
serial
Out:
serial
Err:
serial
MB618>
MB618>
MB618>
MB618>
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Hi incsr,
Can you please detail how did you opened the jtag connection?
How did you glitched the cpu? what did you used to do it?
Regards
which board is your?
hy i can open this STB UART
Hi Alex,
Can you tell me how to do it?
STih2xx 4xx you can alex?