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olivier.gi |
/*===========================================================================*/
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/* Copyright (C) 2001 Authors */
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/* */
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/* This source file may be used and distributed without restriction provided */
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/* that this copyright statement is not removed from the file and that any */
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/* derivative work contains the original copyright notice and the associated */
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/* disclaimer. */
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/* */
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/* This source file is free software; you can redistribute it and/or modify */
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/* it under the terms of the GNU Lesser General Public License as published */
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/* by the Free Software Foundation; either version 2.1 of the License, or */
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/* (at your option) any later version. */
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/* */
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/* This source is distributed in the hope that it will be useful, but WITHOUT*/
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/* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */
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/* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public */
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/* License for more details. */
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/* */
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/* You should have received a copy of the GNU Lesser General Public License */
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/* along with this source; if not, write to the Free Software Foundation, */
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/* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */
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/* */
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/*===========================================================================*/
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/* SERIAL DEBUG INTERFACE */
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/*---------------------------------------------------------------------------*/
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/* Test the serial debug interface: */
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/* - Interrupts when going out of halt mode. */
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/* */
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/* Author(s): */
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/* - Olivier Girard, olgirard@gmail.com */
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/* */
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/*---------------------------------------------------------------------------*/
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/* $Rev: 19 $ */
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/* $LastChangedBy: olivier.girard $ */
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/* $LastChangedDate: 2009-08-04 23:47:15 +0200 (Tue, 04 Aug 2009) $ */
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/*===========================================================================*/
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.include "pmem_defs.asm"
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.global main
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main:
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; Disable interrupts
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dint
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mov.b #0x00, &P1IE
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/* -------------- PORT 1: TEST INTERRUPT VECTOR --------------- */
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mov #DMEM_250, r1 ; Initialize stack
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mov.b #0x0001, &P1IE ; Enable GPIO interrupt
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eint ; Enable Global interrupts
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mov #0x0000, r13;
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mov #0x0000, r14;
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mov #DMEM_200, r15;
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infinite_loop:
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inc r13
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bit #0x0002, &P1IN
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jz infinite_loop
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/* ---------------------- END OF TEST --------------- */
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end_of_test:
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nop
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br #0xffff
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/* ---------------------- INTERRUPT ROUTINES --------------- */
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PORT1_VECTOR:
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mov.b &P1IFG, 0(r15)
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mov.b #0x00, &P1IFG
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mov #0xaaaa, r14;
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reti
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/* ---------------------- INTERRUPT VECTORS --------------- */
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.section .vectors, "a"
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.word end_of_test ; Interrupt 0 (lowest priority)
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.word end_of_test ; Interrupt 1
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.word PORT1_VECTOR ; Interrupt 2
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.word end_of_test ; Interrupt 3
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.word end_of_test ; Interrupt 4
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.word end_of_test ; Interrupt 5
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.word end_of_test ; Interrupt 6
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.word end_of_test ; Interrupt 7
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.word end_of_test ; Interrupt 8
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.word end_of_test ; Interrupt 9
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.word end_of_test ; Interrupt 10 Watchdog timer
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.word end_of_test ; Interrupt 11
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.word end_of_test ; Interrupt 12
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.word end_of_test ; Interrupt 13
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.word end_of_test ; Interrupt 14 NMI
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.word main ; Interrupt 15 (highest priority) RESET
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