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85 lines
3.6 KiB
C
85 lines
3.6 KiB
C
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/*****************************************************************************
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* Product: "QHsmTst" example
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* Last Updated for Version: 4.4.00
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* Date of the Last Update: Mar 18, 2012
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*
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* Q u a n t u m L e a P s
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* ---------------------------
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* innovating embedded systems
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*
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* Copyright (C) 2002-2012 Quantum Leaps, LLC. All rights reserved.
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*
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* This software may be distributed and modified under the terms of the GNU
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* General Public License version 2 (GPL) as published by the Free Software
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* Foundation and appearing in the file GPL.TXT included in the packaging of
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* this file. Please note that GPL Section 2[b] requires that all works based
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* on this software must also be made publicly available under the terms of
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* the GPL ("Copyleft").
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*
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* Alternatively, this software may be distributed and modified under the
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* terms of Quantum Leaps commercial licenses, which expressly supersede
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* the GPL and are specifically designed for licensees interested in
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* retaining the proprietary status of their code.
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*
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* Contact information:
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* Quantum Leaps Web site: http://www.quantum-leaps.com
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* e-mail: info@quantum-leaps.com
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*****************************************************************************/
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#include "qp_port.h"
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#include "qhsmtst.h"
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#include "bsp.h"
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#include "lm3s_cmsis.h"
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#include <yfuns.h> /* for terminal I/O __read() and __write() */
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#include <string.h> /* for strlen() */
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/*Q_DEFINE_THIS_FILE*/
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/* Local-scope objects -----------------------------------------------------*/
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#define PUSH_BUTTON (1 << 4)
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#define USER_LED (1 << 5)
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/*..........................................................................*/
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void BSP_init(void) {
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/* set the system clock as specified in lm3s_config.h (20MHz from PLL) */
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SystemInit();
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/* enable clock to the peripherals used by the application */
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SYSCTL->RCGC2 |= (1 << 0) | (1 << 2); /* enable clock to GPIOA & C */
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__NOP(); /* wait after enabling clocks */
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__NOP();
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__NOP();
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/* configure the LED and push button */
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GPIOC->DIR |= USER_LED; /* set direction: output */
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GPIOC->DEN |= USER_LED; /* digital enable */
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GPIOC->DATA_Bits[USER_LED] = 0; /* turn the User LED off */
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GPIOC->DIR &= ~PUSH_BUTTON; /* set direction: input */
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GPIOC->DEN |= PUSH_BUTTON; /* digital enable */
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}
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/*..........................................................................*/
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void BSP_exit(void) {
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}
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/*..........................................................................*/
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void BSP_display(char const *msg) {
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__write(1, (uint8_t const *)msg, strlen(msg));
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}
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/*..........................................................................*/
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void BSP_LED_on(void) {
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GPIOC->DATA_Bits[USER_LED] = USER_LED; /* turn the User LED on */
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}
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/*..........................................................................*/
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void BSP_LED_off(void) {
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GPIOC->DATA_Bits[USER_LED] = 0; /* turn the User LED off */
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}
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/*..........................................................................*/
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void Q_onAssert(char const Q_ROM * const Q_ROM_VAR file, int line) {
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(void)file; /* avoid compiler warning */
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(void)line; /* avoid compiler warning */
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QF_INT_DISABLE(); /* make sure that all interrupts are disabled */
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for (;;) { /* NOTE: replace the loop with reset for final version */
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}
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}
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