Piotr Esden-Tempski
14 years ago
4 changed files with 127 additions and 2 deletions
@ -0,0 +1,23 @@ |
|||
##
|
|||
## This file is part of the libopencm3 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 = fancyblink |
|||
|
|||
include ../../Makefile.include |
|||
|
@ -0,0 +1,67 @@ |
|||
/*
|
|||
* This file is part of the libopencm3 project. |
|||
* |
|||
* Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de> |
|||
* Copyright (C) 2011 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 <libopencm3/stm32/rcc.h> |
|||
#include <libopencm3/stm32/gpio.h> |
|||
|
|||
/* Set STM32 to 72 MHz. */ |
|||
void clock_setup(void) |
|||
{ |
|||
rcc_clock_setup_in_hse_16mhz_out_72mhz(); |
|||
|
|||
/* Enable GPIOC clock. */ |
|||
rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPBEN); |
|||
rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPCEN); |
|||
rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_AFIOEN); |
|||
|
|||
} |
|||
|
|||
void gpio_setup(void) |
|||
{ |
|||
/* Set GPIO12 (in GPIO port C) to 'output push-pull'. */ |
|||
gpio_set_mode(GPIOC, GPIO_MODE_OUTPUT_50_MHZ, |
|||
GPIO_CNF_OUTPUT_PUSHPULL, GPIO13); |
|||
gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_50_MHZ, |
|||
GPIO_CNF_OUTPUT_PUSHPULL, GPIO4); |
|||
|
|||
AFIO_MAPR |= AFIO_MAPR_SWJ_CFG_FULL_SWJ_NO_JNTRST; |
|||
|
|||
/* preconfigure the led's */ |
|||
gpio_set(GPIOB, GPIO4); /* switch off led */ |
|||
gpio_clear(GPIOC, GPIO13); /* switch on led */ |
|||
} |
|||
|
|||
int main(void) |
|||
{ |
|||
int i; |
|||
|
|||
clock_setup(); |
|||
gpio_setup(); |
|||
|
|||
/* Blink the LED (PC12) on the board. */ |
|||
while (1) { |
|||
gpio_toggle(GPIOC, GPIO13); /* LED on/off */ |
|||
gpio_toggle(GPIOB, GPIO4); /* LED on/off */ |
|||
for (i = 0; i < 800000; i++) /* Wait a bit. */ |
|||
__asm__("nop"); |
|||
} |
|||
|
|||
return 0; |
|||
} |
@ -0,0 +1,31 @@ |
|||
/* |
|||
* This file is part of the libopencm3 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. */ |
|||
INCLUDE libopencm3_stm32.ld |
|||
|
Loading…
Reference in new issue