1 files changed, 28 insertions, 0 deletions
diff --git a/recipes-demo/de10-nano-gpio-apps/files/toggle_fpga_leds.sh b/recipes-demo/de10-nano-gpio-apps/files/toggle_fpga_leds.sh
new file mode 100755
index 0000000..8564a30
--- /dev/null
+++ b/recipes-demo/de10-nano-gpio-apps/files/toggle_fpga_leds.sh
@@ -0,0 +1,28 @@
+#!/bin/sh
+
+LEDS="
+fpga_led0
+fpga_led1
+fpga_led2
+fpga_led3
+fpga_led4
+fpga_led5
+fpga_led6
+fpga_led7
+"
+
+# turn off all leds
+for NEXT_LED in ${LEDS}
+do
+	echo "none" > /sys/class/leds/${NEXT_LED}/trigger
+	echo "0" > /sys/class/leds/${NEXT_LED}/brightness
+done
+
+# toggle the leds individually
+for NEXT_LED in ${LEDS} ${LEDS}
+do
+	cat /sys/class/leds/${NEXT_LED}/brightness | \
+		tr '01' '10' > /sys/class/leds/${NEXT_LED}/brightness
+	usleep 125000
+done
+