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| author | Stephane D'Alu <sdalu@sdalu.com> | 2016-07-10 11:15:20 +0200 |
|---|---|---|
| committer | Stephane D'Alu <sdalu@sdalu.com> | 2016-07-10 11:15:20 +0200 |
| commit | 3db81f7f03844057a6d4150e2c66a81a772df16d (patch) | |
| tree | 526b4c1c7fcc5d148bb1e6c77adc3d7a43cd8b32 /os/hal/ports/NRF5 | |
| parent | e0d39de32f8a422ec1e1badfe70b3f3126edcb0d (diff) | |
| download | ChibiOS-Contrib-3db81f7f03844057a6d4150e2c66a81a772df16d.tar.gz ChibiOS-Contrib-3db81f7f03844057a6d4150e2c66a81a772df16d.tar.bz2 ChibiOS-Contrib-3db81f7f03844057a6d4150e2c66a81a772df16d.zip | |
adding note on RTC0 and TIMER0 as systicks
Diffstat (limited to 'os/hal/ports/NRF5')
| -rw-r--r-- | os/hal/ports/NRF5/LLD/hal_st_lld.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/os/hal/ports/NRF5/LLD/hal_st_lld.h b/os/hal/ports/NRF5/LLD/hal_st_lld.h index 4799792..3b4bf8e 100644 --- a/os/hal/ports/NRF5/LLD/hal_st_lld.h +++ b/os/hal/ports/NRF5/LLD/hal_st_lld.h @@ -39,6 +39,9 @@ /**
* @brief Use RTC0 to generates system ticks
+ *
+ * @note Avoid using RTC0, as PPI has pre-programmed channels on it
+ * that can be used to control RADIO or TIMER0
*/
#if !defined(NRF5_ST_USE_RTC0) || defined(__DOXYGEN__)
#define NRF5_ST_USE_RTC0 FALSE
@@ -53,6 +56,8 @@ /**
* @brief Use TIMER0 to generates system ticks
+ *
+ * @note Avoid using TIMER0 as it will draw more current
*/
#if !defined(NRF5_ST_USE_TIMER0) || defined(__DOXYGEN__)
#define NRF5_ST_USE_TIMER0 FALSE
|