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fix_debug
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4 Commits

Author SHA1 Message Date
Jonathan Bell
a2890561c0 Add DAP and UART LED options. Use a debounce for UART LEDs. 
Signed-off-by: Jonathan Bell <jonathan@raspberrypi.com>
 2023-02-27 15:07:10 +00:00
Jonathan Bell
8737a06202 probe: resolve a bug in init/deinit handling 
OpenOCD is fond of calling PORT_OFF and PORT_SWD_SETUP frequently, which
played havoc with caching both adapter khz and the DAP delay.

Revert to caching just the DAP delay and reset it when PORT_OFF is called.

Signed-off-by: Jonathan Bell <jonathan@raspberrypi.com>
 2022-08-18 16:01:40 +01:00
Jonathan Bell
592b8da71a probe: add CMSIS-DAP PIO-driven implementation 
CMSIS-DAP implementations explicitly use CPU bitbash to control SWD and
SWDIO, but we can do better. Transfers are handed off to PIO in phases,
which gets us deterministic clock timing as well as freeing the CPU up
for other tasks.

Signed-off-by: Jonathan Bell <jonathan@raspberrypi.com>
 2022-08-18 16:00:28 +01:00
Jonathan Bell
908bfbd4fb Add CMSIS DAP files to the build (they do nothing yet) 
Signed-off-by: Jonathan Bell <jonathan@raspberrypi.com>
 2022-08-18 16:00:28 +01:00