Commit Graph

2 Commits

Author SHA1 Message Date
Damien George f70373c7b2 stm32/softtimer: Change linear linked list to a pairing heap. 2020-01-22 17:31:18 +11:00
Damien George a5d97f1db9 stm32: Add soft timer implementation, using SysTick at 1ms resolution.
This commit adds an implementation of a "software timer" with a 1ms
resolution, using SysTick.  It allows unlimited number of concurrent
timers (limited only by memory needed for each timer entry).  They can be
one-shot or periodic, and associated with a Python callback.

There is a very small overhead added to the SysTick IRQ, which could be
further optimised in the future, eg by patching SysTick_Handler code
dynamically.
2019-10-31 22:12:55 +11:00