diff options
| author | Yuval Adam <yuv.adm@gmail.com> | 2014-06-29 12:34:32 +0300 |
|---|---|---|
| committer | Yuval Adam <yuv.adm@gmail.com> | 2014-06-29 12:34:32 +0300 |
| commit | c3e4c9a25c2910d2d66d52215b3406b13d5b23d5 (patch) | |
| tree | added370d1e356901f8579f076e3263fb0464db7 /boards/ek-lm4f232/blinky/blinky.c | |
| parent | 990090a4cc9070837d31e66b58d40f0c3d038741 (diff) | |
Add more board models
Diffstat (limited to 'boards/ek-lm4f232/blinky/blinky.c')
| -rw-r--r-- | boards/ek-lm4f232/blinky/blinky.c | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/boards/ek-lm4f232/blinky/blinky.c b/boards/ek-lm4f232/blinky/blinky.c new file mode 100644 index 0000000..ef69c80 --- /dev/null +++ b/boards/ek-lm4f232/blinky/blinky.c @@ -0,0 +1,93 @@ +//*****************************************************************************
+//
+// blinky.c - Simple example to blink the on-board LED.
+//
+// Copyright (c) 2011-2014 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 2.1.0.12573 of the EK-LM4F232 Firmware Package.
+//
+//*****************************************************************************
+
+#include <stdint.h>
+#include "inc/tm4c123gh6pge.h"
+
+//*****************************************************************************
+//
+//! \addtogroup example_list
+//! <h1>Blinky (blinky)</h1>
+//!
+//! A very simple example that blinks the on-board LED.
+//
+//*****************************************************************************
+
+//*****************************************************************************
+//
+// Blink the on-board LED.
+//
+//*****************************************************************************
+int
+main(void)
+{
+ volatile uint32_t ui32Loop;
+
+ //
+ // Enable the GPIO port that is used for the on-board LED.
+ //
+ SYSCTL_RCGC2_R = SYSCTL_RCGC2_GPIOG;
+
+ //
+ // Do a dummy read to insert a few cycles after enabling the peripheral.
+ //
+ ui32Loop = SYSCTL_RCGC2_R;
+
+ //
+ // Enable the GPIO pin for the LED (PG2). Set the direction as output, and
+ // enable the GPIO pin for digital function.
+ //
+ GPIO_PORTG_DIR_R = 0x04;
+ GPIO_PORTG_DEN_R = 0x04;
+
+ //
+ // Loop forever.
+ //
+ while(1)
+ {
+ //
+ // Turn on the LED.
+ //
+ GPIO_PORTG_DATA_R |= 0x04;
+
+ //
+ // Delay for a bit.
+ //
+ for(ui32Loop = 0; ui32Loop < 200000; ui32Loop++)
+ {
+ }
+
+ //
+ // Turn off the LED.
+ //
+ GPIO_PORTG_DATA_R &= ~(0x04);
+
+ //
+ // Delay for a bit.
+ //
+ for(ui32Loop = 0; ui32Loop < 200000; ui32Loop++)
+ {
+ }
+ }
+}
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