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Wrote miniblink.c for Blueboard-LPC1768-H, cleaned up gpio.h.

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Taylor Vesely 2012-03-22 07:59:55 -06:00 committed by Piotr Esden-Tempski
parent 968557dfbb
commit 9eb77c9fd7
2 changed files with 47 additions and 0 deletions
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45
examples/lpc17xx/blueboard-lpc1768-h/miniblink/miniblink.c
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@ -0,0 +1,45 @@
/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2010 Uwe Hermann <uwe@hermann-uwe.de>
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include <libopencm3/lpc17xx/gpio.h>
void gpio_setup(void)
{
GPIO1_DIR |= (1 << 29); /* Configure P1_29 as output. */
}
int main(void)
{
int i;
gpio_setup();
/* Blink LED0 (P3_0) on the board. */
while (1) {
/* Manually: */
GPIO1_SET = (1 << 29); /* LED off */
for (i = 0; i < 800000; i++) /* Wait a bit. */
__asm__("nop");
GPIO1_CLR = (1 << 29); /* LED on */
for (i = 0; i < 800000; i++) /* Wait a bit. */
__asm__("nop");
}
return 0;
}

2
include/libopencm3/lpc17xx/gpio.h
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@ -68,3 +68,5 @@
#define GPIO2_CLR GPIO_CLR(GPIO2) #define GPIO2_CLR GPIO_CLR(GPIO2)
#define GPIO3_CLR GPIO_CLR(GPIO3) #define GPIO3_CLR GPIO_CLR(GPIO3)
#define GPIO4_CLR GPIO_CLR(GPIO4) #define GPIO4_CLR GPIO_CLR(GPIO4)
#endif