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This commit is contained in:
Gregory Nutt
2015-12-02 15:54:20 -06:00
parent 4991f94792
commit 216f762e56
2 changed files with 13 additions and 5 deletions
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configs/samv71-xult/README.txt
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@@ -1471,7 +1471,7 @@ Tickless OS
Configuration
-------------
The following configuration options will enable support for the Tickless
OS for the SAMV7 platforms using TC0 channels 0-3 (other timers or
OS for the SAMV7 platforms using TC0 channels 0-1 (other timers or
timer channels could be used making the obvious substitutions):
RTOS Features -> Clocks and Timers
@@ -1490,10 +1490,8 @@ Tickless OS
: running timer
NOTE: In most cases, the slow clock will be used as the timer/counter
input. You should enable the 32.768KHz crystal for the slow clock by
calling sam_sckc_enable(). Otherwise, you will be doing all system
timing using the RC clock! UPDATE: This will now be selected by default
when you configure for TICKLESS support.
input. The 32.768KHz crystal is selected by the definition
BOARD_HAVE_SLOWXTAL in the configs/samv71-xult/board.h file.
SAMV7 Timer Usage
-----------------