From 6d9f608dd057e4197f1fb0e0aaac705f9fac1504 Mon Sep 17 00:00:00 2001
From: "T. Joseph Carter" <iKarith@users.noreply.github.com>
Date: Fri, 30 Oct 2015 04:13:31 -0700
Subject: [PATCH] Add baud to source tree

---
 setup/baud.txt | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 setup/baud.txt

diff --git a/setup/baud.txt b/setup/baud.txt
new file mode 100644
index 0000000..7d48f8e
--- /dev/null
+++ b/setup/baud.txt
@@ -0,0 +1,29 @@
+#!/bin/bash
+
+if [[ $1 == "-d" ]]; then
+    shift
+    setgetty=1
+else
+    setgetty=
+fi
+
+if [[ $1 -ne 300 && $1 -ne 1200 && $1 -ne 2400 && $1 -ne 4800 && $1 -ne 9600 && $1 -ne 19200 && $1 -ne 38400 && $1 -ne 57600 && $1 -ne 115200 ]]; then
+    echo 'Usage: baud [-d] 300|1200|2400|4800|9600|19200|38400|57600|115200';
+    echo '  -d sets default speed for all serial port shells (takes effect on logout)'
+    echo '  omitting -d makes change temporary and immediate'
+else
+    if [[ $setgetty ]]; then
+        sudo sed -i "s/ttyAMA0 .* /ttyAMA0 $1 /" /etc/inittab;
+        sudo sed -i "s/ttyAMA0,[0-9]*/ttyAMA0,$1/g" /boot/cmdline.txt;
+        sudo sed -i "s/\(ttyUSB.*\) .* /\1 $1 /g" /etc/inittab;
+        sudo init q;
+        sudo pkill -f "/sbin/getty"
+    else
+        if [[ $(tty | grep tty) ]]; then
+            stty -F $(tty) $1
+        fi
+    fi
+fi
+
+echo -e "$(tput bold)$(tty) current $(stty -a -F $(tty) | grep -o 'speed .* baud')$(tput sgr0)"
+echo -e "$(tput bold)default speed at login: $(grep ttyUSB /etc/inittab | sed 's/^.*ttyUSB[^ ]* \(.*\) .*$/\1/') baud$(tput sgr0)"