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-rw-r--r--nuttx/configs/sama5d3x-ek/README.txt16
1 files changed, 16 insertions, 0 deletions
diff --git a/nuttx/configs/sama5d3x-ek/README.txt b/nuttx/configs/sama5d3x-ek/README.txt
index 9ea566752..66109e06e 100644
--- a/nuttx/configs/sama5d3x-ek/README.txt
+++ b/nuttx/configs/sama5d3x-ek/README.txt
@@ -2226,6 +2226,22 @@ Configurations
beware that the default version also disables the watchdog. You will
need a special version of norboot with CONFIG_SAMA5_WDT=y.
+ 19. This example can be configured to enable the SAMA5 TRNG peripheral so
+ that it provides /dev/random. The following configuration will enable
+ the TRNG, /dev/random, and the simple test of /dev/random at
+ apps/examples/ranadom:
+
+ System Type:
+ CONFIG_SAMA5_TRNG=y : Enable the TRNG peripheral
+
+ Drivers (automatically selected):
+ CONFIG_DEV_RANDOM=y : Enable /dev/random
+
+ Applications -> Examples
+ CONFIG_EXAMPLES_RANDOM=y : Enable apps/examples/random
+ CONFIG_EXAMPLES_MAXSAMPLES=64 : Default settings are probably OK
+ CONFIG_EXAMPLES_NSAMPLES=8
+
STATUS:
PCK FREQUENCY