EMTime/libopencm3-examples
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Initial commit.

Browse Source
This commit is contained in:
Piotr Esden-Tempski
2013-04-19 17:19:32 -07:00
commit 9d5526f773
324 changed files with 22845 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
examples/lm3s/lm3s3748-evb/miniblink/Makefile Normal file
View File

@@ -0,0 +1,25 @@
##
## 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 = ../lm3s3748-evb.ld
include ../../Makefile.include

9
examples/lm3s/lm3s3748-evb/miniblink/README Normal file
View File

@@ -0,0 +1,9 @@
------------------------------------------------------------------------------
README
------------------------------------------------------------------------------
This is the smallest-possible example program using libopencm3.
It's intended for the LuminaryMicro LM3S3748-EVB.
It should blink the STATUS LED on the board.

51
examples/lm3s/lm3s3748-evb/miniblink/miniblink.c Normal file
View File

@@ -0,0 +1,51 @@
/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2011 Gareth McMullin <gareth@blacksphere.co.nz>
*
* 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/lm3s/systemcontrol.h>
#include <libopencm3/lm3s/gpio.h>
static void gpio_setup(void)
{
SYSTEMCONTROL_RCGC2 |= 0x20; /* Enable GPIOF in run mode. */
GPIO_DIR(GPIOF) |= (1 << 0); /* Configure PF0 as output. */
GPIO_DEN(GPIOF) |= (1 << 0); /* Enable digital function on PF0. */
}
int main(void)
{
int i;
gpio_setup();
/* Blink STATUS LED (PF0) on the board. */
while (1) {
gpio_set(GPIOF, GPIO0);
for (i = 0; i < 800000; i++) /* Wait a bit. */
__asm__("nop");
gpio_clear(GPIOF, GPIO0);
for (i = 0; i < 800000; i++) /* Wait a bit. */
__asm__("nop");
}
return 0;
}