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Added obldc board led test program.

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This commit is contained in:
Piotr Esden-Tempski
2010-12-17 23:23:10 +01:00
parent 58e36dab2d
commit 5e76fe66b7
5 changed files with 169 additions and 2 deletions
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22
examples/obldc/led/Makefile Normal file
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##
## This file is part of the libopenstm32 project.
##
## Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
##
## This program 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.
##
## This program 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/>.
##
BINARY = led
include ../../Makefile.include

70
examples/obldc/led/led.c Normal file
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/*
* This file is part of the libopenstm32 project.
*
* Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
* Copyright (C) 2010 Piotr Esden-Tempski <piotr@esden.net>
*
* This program 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.
*
* This program 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 <libopenstm32/rcc.h>
#include <libopenstm32/gpio.h>
/* Set STM32 to 72 MHz. */
void clock_setup(void)
{
rcc_clock_setup_in_hse_8mhz_out_72mhz();
/* Enable GPIOA clock. */
rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPAEN);
/* Enable GPIOB clock. */
rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPBEN);
}
void gpio_setup(void)
{
/* Set GPIO6 and 7 (in GPIO port A) to 'output push-pull'. */
gpio_set_mode(GPIOA, GPIO_MODE_OUTPUT_50_MHZ,
GPIO_CNF_OUTPUT_PUSHPULL,
GPIO6 | GPIO7);
/* Set GPIO0 and 1 (in GPIO port B) to 'output push-pull'. */
gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_50_MHZ,
GPIO_CNF_OUTPUT_PUSHPULL,
GPIO0 | GPIO1);
}
int main(void)
{
int i;
clock_setup();
gpio_setup();
/* Blink the LED (PC12) on the board. */
while (1) {
gpio_toggle(GPIOA, GPIO6); /* LED on/off */
for (i = 0; i < 800000; i++); /* Wait (needs -O0 CFLAGS). */
gpio_toggle(GPIOA, GPIO7); /* LED on/off */
for (i = 0; i < 800000; i++); /* Wait (needs -O0 CFLAGS). */
gpio_toggle(GPIOB, GPIO0); /* LED on/off */
for (i = 0; i < 800000; i++); /* Wait (needs -O0 CFLAGS). */
gpio_toggle(GPIOB, GPIO1); /* LED on/off */
for (i = 0; i < 800000; i++); /* Wait (needs -O0 CFLAGS). */
}
return 0;
}

31
examples/obldc/led/led.ld Normal file
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/*
* This file is part of the libopenstm32 project.
*
* Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
*
* This program 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.
*
* This program 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/>.
*/
/* Linker script for Olimex STM32-H103 (STM32F103RBT6, 128K flash, 20K RAM). */
/* Define memory regions. */
MEMORY
{
rom (rx) : ORIGIN = 0x08000000, LENGTH = 128K
ram (rwx) : ORIGIN = 0x20000000, LENGTH = 20K
}
/* Include the common ld script from libopenstm32. */
INCLUDE libopenstm32.ld