From 67b56b6cfd72092950b364a19bc99758c899dd26 Mon Sep 17 00:00:00 2001
From: edward-ardu <113565969+edward-ardu@users.noreply.github.com>
Date: Thu, 15 Sep 2022 19:28:24 +0800
Subject: [PATCH] Create trigger.py

---
 Jetson/Jetvariety/external_trigger/trigger.py | 25 +++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 Jetson/Jetvariety/external_trigger/trigger.py

diff --git a/Jetson/Jetvariety/external_trigger/trigger.py b/Jetson/Jetvariety/external_trigger/trigger.py
new file mode 100644
index 0000000..d67586a
--- /dev/null
+++ b/Jetson/Jetvariety/external_trigger/trigger.py
@@ -0,0 +1,25 @@
+# Arducam External trigger signal generator.
+# Copyright (C) 2022, Arducam.
+
+# External module imports
+import RPi.GPIO as GPIO
+import time
+
+# Pin Definitons:
+ledPin = 2 # Broadcom pin 2
+# Pin Setup:
+GPIO.setmode(GPIO.BCM) # Broadcom pin-numbering scheme
+GPIO.setup(ledPin, GPIO.OUT) # LED pin set as output
+
+# Initial state for LEDs:
+GPIO.output(ledPin, GPIO.LOW)
+
+print("Start Trigger! Press CTRL+C to exit")
+try:
+    while 1:
+        GPIO.output(ledPin, GPIO.HIGH)
+        time.sleep(0.001)
+        GPIO.output(ledPin, GPIO.LOW)
+        time.sleep(0.032)
+except KeyboardInterrupt: # If CTRL+C is pressed, exit cleanly:
+    GPIO.cleanup() # cleanup all GPIO