diff options
Diffstat (limited to 'nuttx/configs/sama5d3x-ek/README.txt')
| -rw-r--r-- | nuttx/configs/sama5d3x-ek/README.txt | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/nuttx/configs/sama5d3x-ek/README.txt b/nuttx/configs/sama5d3x-ek/README.txt index 3b4de458f..8f1978b67 100644 --- a/nuttx/configs/sama5d3x-ek/README.txt +++ b/nuttx/configs/sama5d3x-ek/README.txt @@ -2694,6 +2694,7 @@ Tickless OS RTOS Features -> Clocks and Timers CONFIG_SCHED_TICKLESS=y : Configures the RTOS in tickless mode + CONFIG_SCHED_TICKLESS_ALARM=n : (option not implemented) System Type -> SAMA5 Peripheral Support CONFIG_SAMA5_TC0=y : Enable TC0 (TC channels 0-3 @@ -2723,10 +2724,11 @@ Tickless OS 32-bit counters with the capability to generate a compare interrupt when the timer matches a compare value but also to continue counting without stopping (giving another, different interrupt when the timer rolls over - from 0xffffffff to zero). So we could potentially just set the compare + from 0xffffffff to zero). So we could potentially used the just set the compare at the number of ticks you want PLUS the current value of timer. Then you could have both with a single timer: An interval timer and a free- - running counter with the same timer! + running counter with the same timer! In this case, you would want to + to set CONFIG_SCHED_TICKLESS_ALARM in the NuttX configuration. Patches are welcome! |