89 lines
3.6 KiB
C++
89 lines
3.6 KiB
C++
// original files copied from nRF5_SDK_15.3.0_59ac345/components/libraries/timer/app_timer.c
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// modified to be simulated using SDL2 Timers by NeroBurner
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/**
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* Copyright (c) 2012 - 2019, Nordic Semiconductor ASA
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form, except as embedded into a Nordic
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* Semiconductor ASA integrated circuit in a product or a software update for
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* such product, must reproduce the above copyright notice, this list of
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* conditions and the following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* 4. This software, with or without modification, must only be used with a
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* Nordic Semiconductor ASA integrated circuit.
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*
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* 5. Any software provided in binary form under this license must not be reverse
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* engineered, decompiled, modified and/or disassembled.
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*
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* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include "app_timer.h"
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#include <stdexcept>
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#include <cstdlib>
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#include <cstdint>
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//uint32_t constexpr APP_TIMER_TICKS(uint32_t ms) {
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// return static_cast<uint32_t>(
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// static_cast<uint64_t>(ms) * configTICK_RATE_HZ / 1000
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// );
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//}
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ret_code_t app_timer_init(void) {
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return 0;
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}
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ret_code_t app_timer_create(app_timer_t *p_timer_id,
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app_timer_mode_t mode,
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app_timer_timeout_handler_t timeout_handler) {
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if (mode == APP_TIMER_MODE_SINGLE_SHOT) {
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p_timer_id->repeating = false;
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} else if (mode == APP_TIMER_MODE_REPEATED) {
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p_timer_id->repeating = true;
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} else {
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throw std::runtime_error("only mode 'APP_TIMER_MODE_SINGLE_SHOT' or 'APP_TIMER_MODE_REPEATED' implemented");
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}
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p_timer_id->handler = timeout_handler;
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return 0;
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}
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Uint32 timeout_callback_wrapper(Uint32 interval, void *param)
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{
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auto* timer_id = static_cast<app_timer_t*>(param);
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timer_id->handler(timer_id->p_context);
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if (timer_id->repeating) {
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return timer_id->repeat_period;
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} else {
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return 0; // cancel timer
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}
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}
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ret_code_t app_timer_start(app_timer_t &timer_id, uint32_t timeout_ticks, void * p_context) {
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timer_id.p_context = p_context;
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timer_id.repeat_period = timeout_ticks;
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timer_id.sdl_timer_id = SDL_AddTimer(timeout_ticks, timeout_callback_wrapper, (void*)(&timer_id));
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return 0;
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}
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ret_code_t app_timer_stop(app_timer_t &timer_id) {
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return (SDL_RemoveTimer(timer_id.sdl_timer_id) == SDL_TRUE);
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}
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