152 lines
4.0 KiB
C
152 lines
4.0 KiB
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 "lpc214x.h"
|
|
#include "lpc214x_serial.h"
|
|
#include "mmcsd.h"
|
|
#include "buzzer.h"
|
|
#include "evtimer.h"
|
|
|
|
/*
|
|
* Red LEDs blinker thread, times are in milliseconds.
|
|
*/
|
|
static WorkingArea(waThread1, 64);
|
|
static t_msg Thread1(void *arg) {
|
|
|
|
while (TRUE) {
|
|
IO0CLR = 0x00000800;
|
|
chThdSleep(200);
|
|
IO0SET = 0x00000C00;
|
|
chThdSleep(800);
|
|
IO0CLR = 0x00000400;
|
|
chThdSleep(200);
|
|
IO0SET = 0x00000C00;
|
|
chThdSleep(800);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Yellow LED blinker thread, times are in milliseconds.
|
|
*/
|
|
static WorkingArea(waThread2, 64);
|
|
static t_msg Thread2(void *arg) {
|
|
|
|
while (TRUE) {
|
|
IO0CLR = 0x80000000;
|
|
chThdSleep(200);
|
|
IO0SET = 0x80000000;
|
|
chThdSleep(300);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Executed as event handler at 500mS intervals.
|
|
*/
|
|
static void TimerHandler(t_eventid id) {
|
|
t_msg TestThread(void *p);
|
|
|
|
if (!(IO0PIN & 0x00018000)) { // Both buttons
|
|
TestThread(&COM1);
|
|
PlaySound(500, 100);
|
|
}
|
|
else {
|
|
if (!(IO0PIN & 0x00008000)) // Button 1
|
|
PlaySound(1000, 100);
|
|
if (!(IO0PIN & 0x00010000)) { // Button 2
|
|
chFDDWrite(&COM1, (BYTE8 *)"Hello World!\r\n", 14);
|
|
PlaySound(2000, 100);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Plays sounds when a MMC/SD card is inserted, then initializes the MMC
|
|
* driver and reads a sector.
|
|
*/
|
|
static void InsertHandler(t_eventid id) {
|
|
static BYTE8 rwbuf[512];
|
|
MMCCSD data;
|
|
|
|
PlaySoundWait(1000, 100);
|
|
PlaySoundWait(2000, 100);
|
|
if (mmcInit())
|
|
return;
|
|
/* Card ready, do stuff.*/
|
|
if (mmcGetSize(&data))
|
|
return;
|
|
if (mmcRead(rwbuf, 0))
|
|
return;
|
|
PlaySound(440, 200);
|
|
}
|
|
|
|
/*
|
|
* Plays sounds when a MMC/SD card is removed.
|
|
*/
|
|
static void RemoveHandler(t_eventid id) {
|
|
|
|
PlaySoundWait(2000, 100);
|
|
PlaySoundWait(1000, 100);
|
|
}
|
|
|
|
/*
|
|
* Entry point, the interrupts are disabled on entry.
|
|
*/
|
|
int main(int argc, char **argv) {
|
|
static const t_evhandler evhndl[] = {
|
|
TimerHandler,
|
|
InsertHandler,
|
|
RemoveHandler
|
|
};
|
|
static EvTimer evt;
|
|
struct EventListener el0, el1, el2;
|
|
|
|
/*
|
|
* The main() function becomes a thread here then the interrupts are
|
|
* enabled and ChibiOS/RT goes live.
|
|
*/
|
|
chSysInit();
|
|
|
|
/*
|
|
* If a button is pressed during the reset then the blinking leds threads
|
|
* are not started in order to make accurate benchmarks.
|
|
*/
|
|
if ((IO0PIN & 0x00018000) == 0x00018000) {
|
|
chThdCreate(NORMALPRIO, 0, waThread1, sizeof(waThread1), Thread1, NULL);
|
|
chThdCreate(NORMALPRIO, 0, waThread2, sizeof(waThread2), Thread2, NULL);
|
|
}
|
|
|
|
/*
|
|
* Normal main() activity, in this demo it serves events generated by
|
|
* various sources.
|
|
*/
|
|
evtInit(&evt, 500); /* Initializes an event timer object. */
|
|
evtStart(&evt); /* Starts the event timer. */
|
|
chEvtRegister(&evt.et_es, &el0, 0); /* Registers on the timer event source. */
|
|
mmcStartPolling(); /* Starts the MMC connector polling. */
|
|
chEvtRegister(&MMCInsertEventSource, &el1, 1);
|
|
chEvtRegister(&MMCRemoveEventSource, &el2, 2);
|
|
while (TRUE) /* Just serve events. */
|
|
chEvtWait(ALL_EVENTS, evhndl);
|
|
return 0;
|
|
}
|