mirror of
https://github.com/eddyem/IR-controller.git
synced 2025-12-06 02:35:14 +03:00
42 lines
1.3 KiB
C
42 lines
1.3 KiB
C
/*
|
|
* hardware_ini.c - functions for HW initialisation
|
|
*
|
|
* Copyright 2014 Edward V. Emelianov <eddy@sao.ru, edward.emelianoff@gmail.com>
|
|
*
|
|
* 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 2 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, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
|
* MA 02110-1301, USA.
|
|
*/
|
|
|
|
#include "main.h"
|
|
#include "hardware_ini.h"
|
|
|
|
/**
|
|
* GPIO initialisaion: clocking + ports setup
|
|
*/
|
|
void GPIO_init(){
|
|
rcc_periph_clock_enable(RCC_GPIOC);
|
|
gpio_set_mode(GPIOC, GPIO_MODE_OUTPUT_2_MHZ,
|
|
GPIO_CNF_OUTPUT_PUSHPULL, GPIO11|GPIO12); // LED + USB
|
|
}
|
|
|
|
void SysTick_init(){
|
|
systick_set_clocksource(STK_CSR_CLKSOURCE_AHB_DIV8); // Systyck: 72/8=9MHz
|
|
systick_set_reload(8999); // 9000 pulses: 1kHz
|
|
systick_interrupt_enable();
|
|
systick_counter_enable();
|
|
}
|
|
|
|
|