Add more board models

1 files changed, 234 insertions, 0 deletions

diff --git a/boards/ek-lm4f232/timers/timers.c b/boards/ek-lm4f232/timers/timers.c
new file mode 100644
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+++ b/boards/ek-lm4f232/timers/timers.c
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+//*****************************************************************************

+//

+// timers.c - Timers example.

+//

+// 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 <stdbool.h>

+#include "inc/hw_ints.h"

+#include "inc/hw_memmap.h"

+#include "inc/hw_types.h"

+#include "driverlib/debug.h"

+#include "driverlib/fpu.h"

+#include "driverlib/interrupt.h"

+#include "driverlib/sysctl.h"

+#include "driverlib/timer.h"

+#include "driverlib/rom.h"

+#include "grlib/grlib.h"

+#include "drivers/cfal96x64x16.h"

+

+//*****************************************************************************

+//

+//! \addtogroup example_list

+//! <h1>Timer (timers)</h1>

+//!

+//! This example application demonstrates the use of the timers to generate

+//! periodic interrupts.  One timer is set up to interrupt once per second and

+//! the other to interrupt twice per second; each interrupt handler will toggle

+//! its own indicator on the display.

+//

+//*****************************************************************************

+

+//*****************************************************************************

+//

+// Flags that contain the current value of the interrupt indicator as displayed

+// on the CSTN display.

+//

+//*****************************************************************************

+uint32_t g_ui32Flags;

+

+//*****************************************************************************

+//

+// Graphics context used to show text on the CSTN display.

+//

+//*****************************************************************************

+tContext g_sContext;

+

+//*****************************************************************************

+//

+// The error routine that is called if the driver library encounters an error.

+//

+//*****************************************************************************

+#ifdef DEBUG

+void

+__error__(char *pcFilename, uint32_t ui32Line)

+{

+}

+#endif

+

+//*****************************************************************************

+//

+// The interrupt handler for the first timer interrupt.

+//

+//*****************************************************************************

+void

+Timer0IntHandler(void)

+{

+    //

+    // Clear the timer interrupt.

+    //

+    ROM_TimerIntClear(TIMER0_BASE, TIMER_TIMA_TIMEOUT);

+

+    //

+    // Toggle the flag for the first timer.

+    //

+    HWREGBITW(&g_ui32Flags, 0) ^= 1;

+

+    //

+    // Update the interrupt status on the display.

+    //

+    ROM_IntMasterDisable();

+    GrStringDraw(&g_sContext, (HWREGBITW(&g_ui32Flags, 0) ? "1" : "0"), -1, 68,

+                 26, 1);

+    ROM_IntMasterEnable();

+}

+

+//*****************************************************************************

+//

+// The interrupt handler for the second timer interrupt.

+//

+//*****************************************************************************

+void

+Timer1IntHandler(void)

+{

+    //

+    // Clear the timer interrupt.

+    //

+    ROM_TimerIntClear(TIMER1_BASE, TIMER_TIMA_TIMEOUT);

+

+    //

+    // Toggle the flag for the second timer.

+    //

+    HWREGBITW(&g_ui32Flags, 1) ^= 1;

+

+    //

+    // Update the interrupt status on the display.

+    //

+    ROM_IntMasterDisable();

+    GrStringDraw(&g_sContext, (HWREGBITW(&g_ui32Flags, 1) ? "1" : "0"), -1, 68,

+                 36, 1);

+    ROM_IntMasterEnable();

+}

+

+//*****************************************************************************

+//

+// This example application demonstrates the use of the timers to generate

+// periodic interrupts.

+//

+//*****************************************************************************

+int

+main(void)

+{

+    tRectangle sRect;

+

+    //

+    // Enable lazy stacking for interrupt handlers.  This allows floating-point

+    // instructions to be used within interrupt handlers, but at the expense of

+    // extra stack usage.

+    //

+    ROM_FPULazyStackingEnable();

+

+    //

+    // Set the clocking to run directly from the crystal.

+    //

+    ROM_SysCtlClockSet(SYSCTL_SYSDIV_1 | SYSCTL_USE_OSC | SYSCTL_OSC_MAIN |

+                       SYSCTL_XTAL_16MHZ);

+

+    //

+    // Initialize the display driver.

+    //

+    CFAL96x64x16Init();

+

+    //

+    // Initialize the graphics context and find the middle X coordinate.

+    //

+    GrContextInit(&g_sContext, &g_sCFAL96x64x16);

+

+    //

+    // Fill the top part of the screen with blue to create the banner.

+    //

+    sRect.i16XMin = 0;

+    sRect.i16YMin = 0;

+    sRect.i16XMax = GrContextDpyWidthGet(&g_sContext) - 1;

+    sRect.i16YMax = 9;

+    GrContextForegroundSet(&g_sContext, ClrDarkBlue);

+    GrRectFill(&g_sContext, &sRect);

+

+    //

+    // Change foreground for white text.

+    //

+    GrContextForegroundSet(&g_sContext, ClrWhite);

+

+    //

+    // Put the application name in the middle of the banner.

+    //

+    GrContextFontSet(&g_sContext, g_psFontFixed6x8);

+    GrStringDrawCentered(&g_sContext, "timers", -1,

+                         GrContextDpyWidthGet(&g_sContext) / 2, 4, 0);

+

+    //

+    // Initialize timer status display.

+    //

+    GrContextFontSet(&g_sContext, g_psFontFixed6x8);

+    GrStringDraw(&g_sContext, "Timer 0:", -1, 16, 26, 0);

+    GrStringDraw(&g_sContext, "Timer 1:", -1, 16, 36, 0);

+

+    //

+    // Enable the peripherals used by this example.

+    //

+    ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_TIMER0);

+    ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_TIMER1);

+

+    //

+    // Enable processor interrupts.

+    //

+    ROM_IntMasterEnable();

+

+    //

+    // Configure the two 32-bit periodic timers.

+    //

+    ROM_TimerConfigure(TIMER0_BASE, TIMER_CFG_PERIODIC);

+    ROM_TimerConfigure(TIMER1_BASE, TIMER_CFG_PERIODIC);

+    ROM_TimerLoadSet(TIMER0_BASE, TIMER_A, ROM_SysCtlClockGet());

+    ROM_TimerLoadSet(TIMER1_BASE, TIMER_A, ROM_SysCtlClockGet() / 2);

+

+    //

+    // Setup the interrupts for the timer timeouts.

+    //

+    ROM_IntEnable(INT_TIMER0A);

+    ROM_IntEnable(INT_TIMER1A);

+    ROM_TimerIntEnable(TIMER0_BASE, TIMER_TIMA_TIMEOUT);

+    ROM_TimerIntEnable(TIMER1_BASE, TIMER_TIMA_TIMEOUT);

+

+    //

+    // Enable the timers.

+    //

+    ROM_TimerEnable(TIMER0_BASE, TIMER_A);

+    ROM_TimerEnable(TIMER1_BASE, TIMER_A);

+

+    //

+    // Loop forever while the timers run.

+    //

+    while(1)

+    {

+    }

+}