From fc3dbea7150a2b0e963fbd17368e880e9690188a Mon Sep 17 00:00:00 2001
From: Blaise Thompson <blaise@untzag.com>
Date: Mon, 26 Apr 2021 16:09:15 -0500
Subject: programming instructions

---
 .../arduino-uno-controller/firmware/firmware.ino    | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

(limited to 'digital-controller')

diff --git a/digital-controller/arduino-uno-controller/firmware/firmware.ino b/digital-controller/arduino-uno-controller/firmware/firmware.ino
index 3735c4a..f90ae05 100644
--- a/digital-controller/arduino-uno-controller/firmware/firmware.ino
+++ b/digital-controller/arduino-uno-controller/firmware/firmware.ino
@@ -1,3 +1,24 @@
+/* EXAMPLE FIRMWARE
+ * CONTROLLING WPP DRIVERS FROM ARDUINO UNO
+ * 
+ * SERIAL INTERFACE
+ * 9600 baud
+ * newline terminated (no carriage return)
+ * space separated commands:
+ * <ADDRESS> <LED INTENSITY> <FAN INTENSITY>
+ * 
+ * example: full brightness full speed:
+ * 38 255 255
+ * example: LED off fan full speed:
+ * 38 0 255
+ * example: LED medium fan off
+ * 38 100 0
+ * 
+ * if <ADDRESS> 0, commands sent to all devices
+ * 
+ * if <ADDRESS> -1, list of addresses seen returned
+ */
+
 #include <Wire.h>
 
 #define INPUT_SIZE 100  // TODO: make this a reasonable value
-- 
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