mirror of https://github.com/ARMmbed/mbed-os.git
120 lines
2.7 KiB
C++
120 lines
2.7 KiB
C++
/* mbed Microcontroller Library
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* Copyright (c) 2006-2019 ARM Limited
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "drivers/PwmOut.h"
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#if DEVICE_PWMOUT
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#include "platform/mbed_critical.h"
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#include "platform/mbed_power_mgmt.h"
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namespace mbed {
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PwmOut::PwmOut(PinName pin) : _deep_sleep_locked(false)
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{
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core_util_critical_section_enter();
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pwmout_init(&_pwm, pin);
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core_util_critical_section_exit();
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}
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PwmOut::~PwmOut()
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{
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core_util_critical_section_enter();
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pwmout_free(&_pwm);
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unlock_deep_sleep();
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core_util_critical_section_exit();
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}
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void PwmOut::write(float value)
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{
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core_util_critical_section_enter();
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lock_deep_sleep();
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pwmout_write(&_pwm, value);
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core_util_critical_section_exit();
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}
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float PwmOut::read()
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{
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core_util_critical_section_enter();
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float val = pwmout_read(&_pwm);
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core_util_critical_section_exit();
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return val;
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}
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void PwmOut::period(float seconds)
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{
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core_util_critical_section_enter();
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pwmout_period(&_pwm, seconds);
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core_util_critical_section_exit();
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}
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void PwmOut::period_ms(int ms)
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{
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core_util_critical_section_enter();
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pwmout_period_ms(&_pwm, ms);
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core_util_critical_section_exit();
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}
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void PwmOut::period_us(int us)
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{
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core_util_critical_section_enter();
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pwmout_period_us(&_pwm, us);
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core_util_critical_section_exit();
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}
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void PwmOut::pulsewidth(float seconds)
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{
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core_util_critical_section_enter();
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pwmout_pulsewidth(&_pwm, seconds);
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core_util_critical_section_exit();
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}
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void PwmOut::pulsewidth_ms(int ms)
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{
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core_util_critical_section_enter();
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pwmout_pulsewidth_ms(&_pwm, ms);
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core_util_critical_section_exit();
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}
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void PwmOut::pulsewidth_us(int us)
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{
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core_util_critical_section_enter();
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pwmout_pulsewidth_us(&_pwm, us);
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core_util_critical_section_exit();
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}
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void PwmOut::lock_deep_sleep()
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{
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if (_deep_sleep_locked == false) {
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sleep_manager_lock_deep_sleep();
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_deep_sleep_locked = true;
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}
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}
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void PwmOut::unlock_deep_sleep()
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{
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if (_deep_sleep_locked == true) {
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sleep_manager_unlock_deep_sleep();
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_deep_sleep_locked = false;
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}
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}
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} // namespace mbed
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#endif // #if DEVICE_PWMOUT
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