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[stm32f429i-discovery] Removed Chucks blink example.

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This commit is contained in:
Piotr Esden-Tempski
2015-01-22 15:57:20 -08:00
parent c18a16d979
commit ed4bec540c
3 changed files with 0 additions and 81 deletions
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22
examples/stm32/f4/stm32f4-disco/blink/Makefile
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#
# This file is part of the libopencm3 project.
#
# 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 = blink
LDSCRIPT = ../stm32f4-disco.ld
include ../../Makefile.include

8
examples/stm32/f4/stm32f4-disco/blink/README
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README
------
The "HelloWorld" of embedded systems. This code is really really simple,
it sets up the system clock at a known frequency (168Mhz) and enables
a GPIO pin as an output, that happens to be connected to an LED. And it
blinks it on and off.

51
examples/stm32/f4/stm32f4-disco/blink/blink.c
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/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2014 Chuck McManis (cmcmanis@mcmanis.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/stm32/rcc.h>
#include <libopencm3/stm32/gpio.h>
#define GREEN_LED GPIO13
#define RED_LED GPIO13
int main(void)
{
int i;
/* Use parameters to set the STM32 clock to 168 MHz. */
rcc_clock_setup_hse_3v3(&hse_8mhz_3v3[CLOCK_3V3_168MHZ]);
/* Enable GPIOG clock. (this enables the pins to work) */
rcc_periph_clock_enable(RCC_GPIOG);
/* Set the "mode" of the GPIO pin to output, no pullups or pulldowns */
gpio_mode_setup(GPIOG, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, GREEN_LED );
/* Turn on the GREEN led */
gpio_set(GPIOG, GREEN_LED);
/* Blink the GREEN LED on the board. */
while (1) {
/* Toggle LEDs. */
gpio_toggle(GPIOG, GREEN_LED);
for (i = 0; i < 10000000; i++) /* Wait a bit. */
__asm__("nop");
}
return 0;
}