/* * Author: Brendan Le Foll * Copyright (c) 2014 Intel Corporation. * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #pragma once /** @file * * This file defines the pwm C++ interface for libmaa * */ #include "pwm.h" namespace maa { class Pwm { public: Pwm(int pin, int chipid=-1, bool owner = true) { if (chipid == -1) m_pwm = maa_pwm_init(pin); else m_pwm = maa_pwm_init_raw(pin, chipid); if (!owner) maa_pwm_owner(m_pwm, 0); } ~Pwm() { maa_pwm_close(m_pwm); } maa_result_t write(float percentage) { return maa_pwm_write(m_pwm, percentage); } float read() { return maa_pwm_read(m_pwm); } maa_result_t period(float period) { return maa_pwm_period(m_pwm, period); } maa_result_t period_ms(int ms) { return maa_pwm_period_ms(m_pwm, ms); } maa_result_t period_us(int us) { return maa_pwm_period_us(m_pwm, us); } maa_result_t pulsewidth(float seconds) { return maa_pwm_pulsewidth(m_pwm, seconds); } maa_result_t pulsewidth_ms(int ms) { return maa_pwm_pulsewidth_ms(m_pwm, ms); } maa_result_t pulsewidth_us(int us) { return maa_pwm_pulsewidth_us(m_pwm, us); } maa_result_t enable(bool enable) { if (enable) return maa_pwm_enable(m_pwm, 1); else return maa_pwm_enable(m_pwm, 0); } private: maa_pwm_context m_pwm; }; }