Re: [Openocd-development] SWD vs. SWIM

[Michel C. <mic...@gm...>]

Le 19/02/2010 16:55, CeDeROM a écrit :
> Ive just found an interesting STM8Discovery DevelKit with STM8S105C6T6
> microcontroller (8-bit, 32 KB Flash, 2 KB RAM, 1 KB EEPROM) onboard
> for extremely low price (~$10) with supplied JTAG programmer (Embedded
> ST-LINK). Anyone knows/use this St-Link cable? Is this SWIM a SWD
> implementation? More details at:
> http://www.kamami.pl/dl/stm8sdiscovery.pdf
>
> Regards,
> Tomek
>
>    
SWIM, it is a single wire protocol fully described in ST App note. It is 
for the STM8.
You could modify the software to make it a SWD device. You need to bring 
an extra line from somewhere on the board like stealing the pin of a LED.
It uses an STM32 for the Raisonnance programmer.

Michel

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