Merge branch 'uartTest'

Author: rowoflo

UART_files/README.txt renamed to serialTest/README.txt

@@ -1,3 +1,7 @@
+The "serialTest.py" script sends a "hello" message over ttyO4.
+
+If serial is not working run the "serialSetup.sh", which performs the commands discussed below.
+
 http://www.armhf.com/index.php/beaglebone-black-serial-uart-device-tree-overlays-for-ubuntu-and-debian-wheezy-tty01-tty02-tty04-tty05-dtbo-files/
 
 Copy the following .dtbo overlay files to the /lib/firmware directory and apply them after each boot with the command: echo ttyO1_armhf.com > /sys/devices/bone_capemgr*/slots

serialSetup.py renamed to serialTest/serialSetup.py

@@ -1,6 +1,7 @@
 #!/usr/bin/python
 import Adafruit_BBIO.UART as UART
 import serial
+
 UART.setup("UART1")
 UART.setup("UART2")
 UART.setup("UART4")

serialTest/serialTest.py

@@ -0,0 +1,13 @@
+#!/usr/bin/python
+import Adafruit_BBIO.UART as UART
+import serial
+ 
+UART.setup("UART4")
+ 
+ser = serial.Serial(port = "/dev/ttyO4", baudrate=9600)
+ser.close()
+ser.open()
+if ser.isOpen():
+    print "Serial is open!"
+    ser.write("Hello from BBB!\n")
+ser.close()

setupScript.sh renamed to serialTest/setupScript.sh

@@ -1,4 +1,5 @@
 #!/bin/bash
+cp *.dtbo /lib/firmware
 echo ttyO1_armhf.com > /sys/devices/bone_capemgr*/slots
 echo ttyO2_armhf.com > /sys/devices/bone_capemgr*/slots
 echo ttyO4_armhf.com > /sys/devices/bone_capemgr*/slots