Updated README

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Gregory Nutt 2013-10-19 12:37:14 -06:00
parent 6ee8857f9b
commit 13ab1b586d
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@ -2170,6 +2170,25 @@ Configurations
Library Routines
CONFIG_SCHED_WORKQUEUE=y : Alarm needs work queue support
18. This example can be configured to exercise the watchdog timer test
(apps/examples/watchdog). This can be selected with the following
settings in the NuttX configuration file:
System Type:
CONFIG_SAMA5_WDT=y : Enable the WDT peripheral
: Defaults in "RTC Configuration" should be OK
Drivers (this will automatically be selected):
CONFIG_WATCHDOG=y : Enables watchdog timer driver support
Application Configuration -> Eamples
CONFIG_EXAMPLES_WATCHDOG=y : Enable the apps/examples/watchdog
The WDT timer is driven off the slow, 32768Hz clock divided by 128.
As a result, the watchdog a maximum timeout value of 16 seconds. The
SAMA5 WDT may also only be programmed one time; the processor must be
reset before the WDT can be reprogrammed.
STATUS:
PCK FREQUENCY