From e018ceebed74b8223482bc9d1ed0b31c938381da Mon Sep 17 00:00:00 2001
From: Yuval Adam <yuv.adm@gmail.com>
Date: Mon, 29 Oct 2012 23:04:19 +0200
Subject: New example files

---
 boards/ek-lm4f120xl/blinky/blinky.c | 94 +++++++++++++++++++++++++++++++++++++
 1 file changed, 94 insertions(+)
 create mode 100644 boards/ek-lm4f120xl/blinky/blinky.c

(limited to 'boards/ek-lm4f120xl/blinky/blinky.c')

diff --git a/boards/ek-lm4f120xl/blinky/blinky.c b/boards/ek-lm4f120xl/blinky/blinky.c
new file mode 100644
index 0000000..d45da73
--- /dev/null
+++ b/boards/ek-lm4f120xl/blinky/blinky.c
@@ -0,0 +1,94 @@
+//*****************************************************************************
+//
+// blinky.c - Simple example to blink the on-board LED.
+//
+// Copyright (c) 2012 Texas Instruments Incorporated.  All rights reserved.
+// Software License Agreement
+// 
+// Texas Instruments (TI) is supplying this software for use solely and
+// exclusively on TI's microcontroller products. The software is owned by
+// TI and/or its suppliers, and is protected under applicable copyright
+// laws. You may not combine this software with "viral" open-source
+// software in order to form a larger program.
+// 
+// THIS SOFTWARE IS PROVIDED "AS IS" AND WITH ALL FAULTS.
+// NO WARRANTIES, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT
+// NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. TI SHALL NOT, UNDER ANY
+// CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR CONSEQUENTIAL
+// DAMAGES, FOR ANY REASON WHATSOEVER.
+// 
+// This is part of revision 9453 of the EK-LM4F120XL Firmware Package.
+//
+//*****************************************************************************
+
+#include "inc/lm4f120h5qr.h"
+
+//*****************************************************************************
+//
+//! \addtogroup example_list
+//! <h1>Blinky (blinky)</h1>
+//!
+//! A very simple example that blinks the on-board LED using direct register
+//! access.
+//
+//*****************************************************************************
+
+
+//*****************************************************************************
+//
+// Blink the on-board LED.
+//
+//*****************************************************************************
+int
+main(void)
+{
+    volatile unsigned long ulLoop;
+
+    //
+    // Enable the GPIO port that is used for the on-board LED.
+    //
+    SYSCTL_RCGC2_R = SYSCTL_RCGC2_GPIOF;
+
+    //
+    // Do a dummy read to insert a few cycles after enabling the peripheral.
+    //
+    ulLoop = SYSCTL_RCGC2_R;
+
+    //
+    // Enable the GPIO pin for the LED (PF3).  Set the direction as output, and
+    // enable the GPIO pin for digital function.
+    //
+    GPIO_PORTF_DIR_R = 0x08;
+    GPIO_PORTF_DEN_R = 0x08;
+
+    //
+    // Loop forever.
+    //
+    while(1)
+    {
+        //
+        // Turn on the LED.
+        //
+        GPIO_PORTF_DATA_R |= 0x08;
+
+        //
+        // Delay for a bit.
+        //
+        for(ulLoop = 0; ulLoop < 200000; ulLoop++)
+        {
+        }
+
+        //
+        // Turn off the LED.
+        //
+        GPIO_PORTF_DATA_R &= ~(0x08);
+
+        //
+        // Delay for a bit.
+        //
+        for(ulLoop = 0; ulLoop < 200000; ulLoop++)
+        {
+        }
+    }
+}
-- 
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