From 3db81f7f03844057a6d4150e2c66a81a772df16d Mon Sep 17 00:00:00 2001 From: Stephane D'Alu Date: Sun, 10 Jul 2016 11:15:20 +0200 Subject: adding note on RTC0 and TIMER0 as systicks --- os/hal/ports/NRF5/LLD/hal_st_lld.h | 5 +++++ 1 file changed, 5 insertions(+) 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 -- cgit v1.2.3