/* Copyright 2017 Fred Sundvik * * 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, see <http://www.gnu.org/licenses/>. */ #include "timer.h" static uint32_t current_time = 0; void timer_init(void) {current_time = 0;} void timer_clear(void) {current_time = 0;} uint16_t timer_read(void) { return current_time & 0xFFFF; } uint32_t timer_read32(void) { return current_time; } uint16_t timer_elapsed(uint16_t last) { return TIMER_DIFF_16(timer_read(), last); } uint32_t timer_elapsed32(uint32_t last) { return TIMER_DIFF_32(timer_read32(), last); } void set_time(uint32_t t) { current_time = t; } void advance_time(uint32_t ms) { current_time += ms; } void wait_ms(uint32_t ms) { advance_time(ms); }