Difference between revisions of "Serial Wire Debug"
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Here is an example of a Chinese clone [[ST-Link]] hooked up to one of our [[Green Pill]] boards: | Here is an example of a Chinese clone [[ST-Link]] hooked up to one of our [[Green Pill]] boards: | ||
| − | [[File:ST-Link Greenpill connection.jpg|600px|frame]] | + | [[File:ST-Link Greenpill connection.jpg|600px|frame|600px]] |
As can be seen on the photo, the GND and the 3.3V supply lines are also hooked up. | As can be seen on the photo, the GND and the 3.3V supply lines are also hooked up. | ||
Revision as of 02:33, 16 March 2022
SWD is a ARM specific 2-wire version of JTAG. It enables developers to manipulate the built-in flash (flash new firmware), to debug firmware and to monitor memory locations (variables), live, while the firmware is running.
Here is an example of a Chinese clone ST-Link hooked up to one of our Green Pill boards:
As can be seen on the photo, the GND and the 3.3V supply lines are also hooked up.