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lpc43xx example, copied from lpc17xx and modified

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This commit is contained in:
Michael Ossmann
2012-05-22 14:47:27 -06:00
parent 4c37af55f4
commit 9645172453
6 changed files with 242 additions and 0 deletions
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24
examples/lpc43xx/hackrf-jellybean/miniblink/Makefile Normal file
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##
## 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/>.
##
BINARY = miniblink
LDSCRIPT = ../jellybean-lpc4330.ld
include ../../Makefile.include

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examples/lpc43xx/hackrf-jellybean/miniblink/README Normal file
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------------------------------------------------------------------------------
README
------------------------------------------------------------------------------
This is the smallest-possible example program using libopencm3.
It's intended for the Jellybean development board from the HackRF project:
https://github.com/mossmann/hackrf
It should blink LED1 on the board.

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examples/lpc43xx/hackrf-jellybean/miniblink/miniblink.c Normal file
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/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2010 Uwe Hermann <uwe@hermann-uwe.de>
* Copyright (C) 2012 Michael Ossmann <mike@ossmann.com>
*
* 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/lpc43xx/gpio.h>
void gpio_setup(void)
{
GPIO2_DIR |= (1 << 1); /* Configure GPIO2[1] (P4_1) as output. */
}
int main(void)
{
int i;
gpio_setup();
/* Blink LED1 on the board. */
while (1) {
gpio_set(GPIO2, GPIOPIN1); /* LED on */
for (i = 0; i < 800000; i++) /* Wait a bit. */
__asm__("nop");
gpio_clear(GPIO2, GPIOPIN1); /* LED off */
for (i = 0; i < 800000; i++) /* Wait a bit. */
__asm__("nop");
}
return 0;
}