ChibiOS/demos/MSP430-MSP430x1611-GCC/board.c

/*
    ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.

    This file is part of ChibiOS/RT.

    ChibiOS/RT is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.

    ChibiOS/RT is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#include <ch.h>
#include <signal.h>

#include "board.h"

/*
 * Hardware initialization goes here.
 * NOTE: Interrupts are still disabled.
 */
void hwinit(void) {

  /*
   * I/O ports initialization.
   */

  /*
   * Timer 0 setup.
   */
  TACCR0 = ACLK / CH_FREQUENCY;         /* Counter limit.               */
  TACTL = TACLR;                        /* Clean start.                 */
  TACTL = TASSEL_1 | MC_1;              /* Src=ACLK, cmp=TACCR0.        */
  TACCTL0 = CCIE;                       /* Interrupt on compare.        */
}

interrupt(TIMERA0_VECTOR) tmr0irq(void) {

  chSysIRQEnterI();
  chSysTimerHandlerI();
  chSysIRQExitI();
}