SWIM protocol implementation

Projects Programming
1

Hi,

I want to program STM8 MCUs using SWIM protocol with the help of Arduino. This will be not for a single board. I want to implement it on multiple boards like more than 6 STM8 MCUs.

So is it possible using Arduino?? if yes then how can I implement it(require hardware connections)?

Please guide me for the same.

Waiting for your response.

Thanks

2

Well, I suggest you take a good read on ST's UM0470 (STM8 SWIM communication protocol and debug module user manual) then.

3

Thanks, LightuC for your quick response.

I read the document but I think it is only for one MCU only. But if more than one MCUs are there then is it possible to program those all at a time or one by one using arduino?

4

No, you can only connect one device with the host at a time - SWIM is not a bus protocol. To program multiple devices with one host at the same time, you would need to write your own bootloader or something similar.

5

Hi,

Did you eventually manage to program the STMs through SWIM? Did you use a library or is it all hand-made?