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/*
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 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 "hal.h"
#include "test.h"
/* Maximum speed SPI configuration (1MHz, CPHA=0, CPOL=0).*/
static SPIConfig spicfg = {
NULL,
GPIO1,
GPIO1_SPI0SEL,
CR0_DSS8BIT | CR0_FRFSPI | CR0_CLOCKRATE(0),
48
};
/*
* Red LED blinker thread, times are in milliseconds.
*/
static WORKING_AREA(waThread1, 128);
static msg_t Thread1(void *arg) {
uint8_t digit = 0;
(void)arg;
while (TRUE) {
spiStartSend(&SPID1, 1, &digit);
digit++;
palClearPad(GPIO0, GPIO0_LED2);
chThdSleepMilliseconds(500);
palSetPad(GPIO0, GPIO0_LED2);
chThdSleepMilliseconds(500);
}
return 0;
}
/*
* RGB LED blinker thread, times are in milliseconds.
*/
static WORKING_AREA(waThread2, 128);
static msg_t Thread2(void *arg) {
(void)arg;
while (TRUE) {
palClearPort(GPIO1, PAL_PORT_BIT(GPIO1_LED3B) |
PAL_PORT_BIT(GPIO1_LED3R) |
PAL_PORT_BIT(GPIO1_LED3G));
chThdSleepMilliseconds(250);
palClearPort(GPIO1, PAL_PORT_BIT(GPIO1_LED3B) |
PAL_PORT_BIT(GPIO1_LED3R) |
PAL_PORT_BIT(GPIO1_LED3G));
palSetPort(GPIO1, PAL_PORT_BIT(GPIO1_LED3B));
chThdSleepMilliseconds(250);
palClearPort(GPIO1, PAL_PORT_BIT(GPIO1_LED3B) |
PAL_PORT_BIT(GPIO1_LED3R) |
PAL_PORT_BIT(GPIO1_LED3G));
palSetPort(GPIO1, PAL_PORT_BIT(GPIO1_LED3R));
chThdSleepMilliseconds(250);
palClearPort(GPIO1, PAL_PORT_BIT(GPIO1_LED3B) |
PAL_PORT_BIT(GPIO1_LED3R) |
PAL_PORT_BIT(GPIO1_LED3G));
palSetPort(GPIO1, PAL_PORT_BIT(GPIO1_LED3G));
chThdSleepMilliseconds(250);
}
return 0;
}
/*
* Entry point, note, the main() function is already a thread in the system
* on entry.
*/
int main(int argc, char **argv) {
(void)argc;
(void)argv;
/*
* Activates the SD1 and SPI1 drivers.
*/
sdStart(&SD1, NULL); /* Default: 38400,8,N,1. */
spiStart(&SPID1, &spicfg);
/*
* Creates the blinker threads.
*/
chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL);
chThdCreateStatic(waThread2, sizeof(waThread2), NORMALPRIO, Thread2, NULL);
/*
* Normal main() thread activity, in this demo it does nothing except
* sleeping in a loop and check the button state.
*/
while (TRUE) {
if (!palReadPad(GPIO0, GPIO0_SW3))
TestThread(&SD1);
chThdSleepMilliseconds(500);
}
return 0;
}
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