152 lines
4.0 KiB
C
152 lines
4.0 KiB
C
/*
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ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.
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This file is part of ChibiOS/RT.
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ChibiOS/RT is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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ChibiOS/RT is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <ch.h>
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#include <test.h>
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#include "lpc214x.h"
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#include "lpc214x_serial.h"
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#include "mmcsd.h"
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#include "buzzer.h"
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#include "evtimer.h"
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/*
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* Red LEDs blinker thread, times are in milliseconds.
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*/
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static WorkingArea(waThread1, 64);
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static msg_t Thread1(void *arg) {
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while (TRUE) {
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IO0CLR = 0x00000800;
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chThdSleep(200);
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IO0SET = 0x00000C00;
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chThdSleep(800);
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IO0CLR = 0x00000400;
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chThdSleep(200);
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IO0SET = 0x00000C00;
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chThdSleep(800);
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}
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return 0;
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}
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/*
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* Yellow LED blinker thread, times are in milliseconds.
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*/
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static WorkingArea(waThread2, 64);
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static msg_t Thread2(void *arg) {
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while (TRUE) {
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IO0CLR = 0x80000000;
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chThdSleep(200);
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IO0SET = 0x80000000;
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chThdSleep(300);
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}
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return 0;
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}
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/*
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* Executed as event handler at 500mS intervals.
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*/
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static void TimerHandler(eventid_t id) {
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if (!(IO0PIN & 0x00018000)) { // Both buttons
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TestThread(&COM1);
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PlaySound(500, 100);
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}
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else {
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if (!(IO0PIN & 0x00008000)) // Button 1
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PlaySound(1000, 100);
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if (!(IO0PIN & 0x00010000)) { // Button 2
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chFDDWrite(&COM1, (uint8_t *)"Hello World!\r\n", 14);
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PlaySound(2000, 100);
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}
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}
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}
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/*
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* Plays sounds when a MMC/SD card is inserted, then initializes the MMC
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* driver and reads a sector.
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*/
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static void InsertHandler(eventid_t id) {
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static uint8_t rwbuf[512];
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MMCCSD data;
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PlaySoundWait(1000, 100);
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PlaySoundWait(2000, 100);
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if (mmcInit())
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return;
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/* Card ready, do stuff.*/
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if (mmcGetSize(&data))
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return;
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if (mmcRead(rwbuf, 0))
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return;
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PlaySound(440, 200);
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}
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/*
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* Plays sounds when a MMC/SD card is removed.
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*/
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static void RemoveHandler(eventid_t id) {
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PlaySoundWait(2000, 100);
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PlaySoundWait(1000, 100);
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}
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/*
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* Entry point, the interrupts are disabled on entry.
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*/
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int main(int argc, char **argv) {
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static const evhandler_t evhndl[] = {
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TimerHandler,
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InsertHandler,
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RemoveHandler
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};
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static EvTimer evt;
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struct EventListener el0, el1, el2;
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/*
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* The main() function becomes a thread here then the interrupts are
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* enabled and ChibiOS/RT goes live.
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*/
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chSysInit();
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/*
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* If a button is pressed during the reset then the blinking leds threads
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* are not started in order to make accurate benchmarks.
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*/
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if ((IO0PIN & 0x00018000) == 0x00018000) {
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chThdCreateFast(NORMALPRIO, waThread1, sizeof(waThread1), Thread1);
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chThdCreateFast(NORMALPRIO, waThread2, sizeof(waThread2), Thread2);
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}
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/*
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* Normal main() activity, in this demo it serves events generated by
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* various sources.
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*/
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evtInit(&evt, 500); /* Initializes an event timer object. */
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evtStart(&evt); /* Starts the event timer. */
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chEvtRegister(&evt.et_es, &el0, 0); /* Registers on the timer event source. */
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mmcStartPolling(); /* Starts the MMC connector polling. */
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chEvtRegister(&MMCInsertEventSource, &el1, 1);
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chEvtRegister(&MMCRemoveEventSource, &el2, 2);
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while (TRUE) /* Just serve events. */
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chEvtWait(ALL_EVENTS, evhndl);
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return 0;
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}
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