5fa6f50edc
* Understands when pwm pin is already exported. * Will not unexport if didnt export. Can be forced. Signed-off-by: Thomas Ingleby <thomas.c.ingleby@intel.com> Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
85 lines
2.7 KiB
C++
85 lines
2.7 KiB
C++
/*
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* Author: Brendan Le Foll <brendan.le.foll@intel.com>
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* Copyright (c) 2014 Intel Corporation.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#pragma once
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/** @file
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*
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* This file defines the pwm C++ interface for libmaa
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*
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*/
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#include "pwm.h"
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namespace maa {
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class Pwm {
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public:
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Pwm(int pin, int chipid=-1, bool owner = true) {
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if (chipid == -1)
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m_pwm = maa_pwm_init(pin);
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else
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m_pwm = maa_pwm_init_raw(pin, chipid);
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if (!owner)
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maa_pwm_owner(m_pwm, 0);
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}
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~Pwm() {
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maa_pwm_close(m_pwm);
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}
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maa_result_t write(float percentage) {
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return maa_pwm_write(m_pwm, percentage);
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}
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float read() {
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return maa_pwm_read(m_pwm);
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}
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maa_result_t period(float period) {
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return maa_pwm_period(m_pwm, period);
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}
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maa_result_t period_ms(int ms) {
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return maa_pwm_period_ms(m_pwm, ms);
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}
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maa_result_t period_us(int us) {
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return maa_pwm_period_us(m_pwm, us);
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}
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maa_result_t pulsewidth(float seconds) {
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return maa_pwm_pulsewidth(m_pwm, seconds);
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}
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maa_result_t pulsewidth_ms(int ms) {
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return maa_pwm_pulsewidth_ms(m_pwm, ms);
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}
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maa_result_t pulsewidth_us(int us) {
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return maa_pwm_pulsewidth_us(m_pwm, us);
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}
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maa_result_t enable(bool enable) {
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if (enable)
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return maa_pwm_enable(m_pwm, 1);
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else
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return maa_pwm_enable(m_pwm, 0);
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}
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private:
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maa_pwm_context m_pwm;
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};
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}
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