From 15f85d8b73aab1c173cc5d075129ca4954c9d937 Mon Sep 17 00:00:00 2001
From: Nicolas James <Eele1Ephe7uZahRie@tutanota.com>
Date: Sat, 22 Mar 2025 09:51:57 +1100
Subject: Add set_rotation.sh to scripts

---
 scripts/set_rotation.sh | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100755 scripts/set_rotation.sh

(limited to 'scripts')

diff --git a/scripts/set_rotation.sh b/scripts/set_rotation.sh
new file mode 100755
index 0000000..f3eb011
--- /dev/null
+++ b/scripts/set_rotation.sh
@@ -0,0 +1,14 @@
+#!/bin/bash
+
+rotation="${1}"
+
+if [ "$#" -ne 1 ]; then
+	printf "Usage: $0 [angle]\n"
+	exit 1
+fi
+
+rise=$(awk -v ang=$1 'BEGIN { print int( sin(ang*2*atan2(1,0)/180.0) * 2^31-1 + 0.5) }')
+run=$(awk -v ang=$1 'BEGIN { print int( cos(ang*2*atan2(1,0)/180.0) * 2^31-1 + 0.5) }')
+
+sudo su -c "echo ${rise} > /sys/module/hid/parameters/rise"
+sudo su -c "echo ${run} > /sys/module/hid/parameters/run"
-- 
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