From ac4fd8e8340886f455add8cf92ee1c8458b8ae19 Mon Sep 17 00:00:00 2001
From: Yuval Adam <yuv.adm@gmail.com>
Date: Sun, 16 Mar 2014 14:31:22 +0200
Subject: Add ek-tm4c1294xl example projects

---
 boards/ek-tm4c1294xl/hello/hello.c | 160 +++++++++++++++++++++++++++++++++++++
 1 file changed, 160 insertions(+)
 create mode 100644 boards/ek-tm4c1294xl/hello/hello.c

(limited to 'boards/ek-tm4c1294xl/hello/hello.c')

diff --git a/boards/ek-tm4c1294xl/hello/hello.c b/boards/ek-tm4c1294xl/hello/hello.c
new file mode 100644
index 0000000..4bd4c04
--- /dev/null
+++ b/boards/ek-tm4c1294xl/hello/hello.c
@@ -0,0 +1,160 @@
+//*****************************************************************************
+//
+// hello.c - Simple hello world example.
+//
+// Copyright (c) 2013-2014 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-TM4C1294XL Firmware Package.
+//
+//*****************************************************************************
+
+#include <stdint.h>
+#include <stdbool.h>
+#include "inc/hw_memmap.h"
+#include "inc/hw_types.h"
+#include "driverlib/gpio.h"
+#include "drivers/pinout.h"
+#include "driverlib/pin_map.h"
+#include "driverlib/rom.h"
+#include "driverlib/rom_map.h"
+#include "driverlib/sysctl.h"
+#include "driverlib/uart.h"
+#include "utils/uartstdio.h"
+
+//*****************************************************************************
+//
+//! \addtogroup example_list
+//! <h1>Hello World (hello)</h1>
+//!
+//! A very simple ``hello world'' example.  It simply displays ``Hello World!''
+//! on the UART and is a starting point for more complicated applications.
+//!
+//! Open a terminal with 115,200 8-N-1 to see the output for this demo.
+//
+//*****************************************************************************
+
+//*****************************************************************************
+//
+// System clock rate in Hz.
+//
+//*****************************************************************************
+uint32_t g_ui32SysClock;
+
+//*****************************************************************************
+//
+// The error routine that is called if the driver library encounters an error.
+//
+//*****************************************************************************
+#ifdef DEBUG
+void
+__error__(char *pcFilename, uint32_t ui32Line)
+{
+}
+#endif
+
+//*****************************************************************************
+//
+// Configure the UART and its pins.  This must be called before UARTprintf().
+//
+//*****************************************************************************
+void
+ConfigureUART(void)
+{
+    //
+    // Enable the GPIO Peripheral used by the UART.
+    //
+    ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOA);
+
+    //
+    // Enable UART0
+    //
+    ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_UART0);
+
+    //
+    // Configure GPIO Pins for UART mode.
+    //
+    ROM_GPIOPinConfigure(GPIO_PA0_U0RX);
+    ROM_GPIOPinConfigure(GPIO_PA1_U0TX);
+    ROM_GPIOPinTypeUART(GPIO_PORTA_BASE, GPIO_PIN_0 | GPIO_PIN_1);
+
+    //
+    // Initialize the UART for console I/O.
+    //
+    UARTStdioConfig(0, 115200, g_ui32SysClock);
+}
+
+//*****************************************************************************
+//
+// Print "Hello World!" to the UART on the Intelligent UART Module.
+//
+//*****************************************************************************
+int
+main(void)
+{
+    //
+    // Run from the PLL at 120 MHz.
+    //
+    g_ui32SysClock = MAP_SysCtlClockFreqSet((SYSCTL_XTAL_25MHZ |
+                SYSCTL_OSC_MAIN | SYSCTL_USE_PLL |
+                SYSCTL_CFG_VCO_480), 120000000);
+
+    //
+    // Configure the device pins.
+    //
+    PinoutSet(false, false);
+
+    //
+    // Enable the GPIO pins for the LED D1 (PN1).
+    //
+    ROM_GPIOPinTypeGPIOOutput(GPIO_PORTN_BASE, GPIO_PIN_1);
+
+    //
+    // Initialize the UART.
+    //
+    ConfigureUART();
+
+    //
+    // Hello!
+    //
+    UARTprintf("Hello, world!\n");
+
+    //
+    // We are finished.  Hang around flashing D1.
+    //
+    while(1)
+    {
+        //
+        // Turn on D1.
+        //
+        LEDWrite(CLP_D1, 1);
+
+        //
+        // Delay for a bit.
+        //
+        SysCtlDelay(g_ui32SysClock / 10 / 3);
+
+        //
+        // Turn off D1.
+        //
+        LEDWrite(CLP_D1, 0);
+
+        //
+        // Delay for a bit.
+        //
+        SysCtlDelay(g_ui32SysClock / 10 / 3);
+    }
+}
-- 
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