Kenji Arai / mbed-os_TYBLE16

mbed-os5 only for TYBLE16

Dependents:   TYBLE16_simple_data_logger TYBLE16_MP3_Air

drivers/source/PwmOut.cpp@1:9db0e321a9f4, 2019-12-31 (annotated)

Committer:
kenjiArai
Date:
Tue Dec 31 06:02:27 2019 +0000
Revision:
1:9db0e321a9f4
updated based on mbed-os5.15.0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kenjiArai 1:9db0e321a9f4 1 /* mbed Microcontroller Library
kenjiArai 1:9db0e321a9f4 2 * Copyright (c) 2006-2019 ARM Limited
kenjiArai 1:9db0e321a9f4 3 * SPDX-License-Identifier: Apache-2.0
kenjiArai 1:9db0e321a9f4 4 *
kenjiArai 1:9db0e321a9f4 5 * Licensed under the Apache License, Version 2.0 (the "License");
kenjiArai 1:9db0e321a9f4 6 * you may not use this file except in compliance with the License.
kenjiArai 1:9db0e321a9f4 7 * You may obtain a copy of the License at
kenjiArai 1:9db0e321a9f4 8 *
kenjiArai 1:9db0e321a9f4 9 * http://www.apache.org/licenses/LICENSE-2.0
kenjiArai 1:9db0e321a9f4 10 *
kenjiArai 1:9db0e321a9f4 11 * Unless required by applicable law or agreed to in writing, software
kenjiArai 1:9db0e321a9f4 12 * distributed under the License is distributed on an "AS IS" BASIS,
kenjiArai 1:9db0e321a9f4 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
kenjiArai 1:9db0e321a9f4 14 * See the License for the specific language governing permissions and
kenjiArai 1:9db0e321a9f4 15 * limitations under the License.
kenjiArai 1:9db0e321a9f4 16 */
kenjiArai 1:9db0e321a9f4 17
kenjiArai 1:9db0e321a9f4 18 #include "drivers/PwmOut.h"
kenjiArai 1:9db0e321a9f4 19
kenjiArai 1:9db0e321a9f4 20
kenjiArai 1:9db0e321a9f4 21 #if DEVICE_PWMOUT
kenjiArai 1:9db0e321a9f4 22
kenjiArai 1:9db0e321a9f4 23 #include "platform/mbed_critical.h"
kenjiArai 1:9db0e321a9f4 24 #include "platform/mbed_power_mgmt.h"
kenjiArai 1:9db0e321a9f4 25 #include "platform/mbed_assert.h"
kenjiArai 1:9db0e321a9f4 26
kenjiArai 1:9db0e321a9f4 27 namespace mbed {
kenjiArai 1:9db0e321a9f4 28
kenjiArai 1:9db0e321a9f4 29 PwmOut::PwmOut(PinName pin) :
kenjiArai 1:9db0e321a9f4 30 _pin(pin),
kenjiArai 1:9db0e321a9f4 31 _deep_sleep_locked(false),
kenjiArai 1:9db0e321a9f4 32 _initialized(false),
kenjiArai 1:9db0e321a9f4 33 _duty_cycle(0)
kenjiArai 1:9db0e321a9f4 34 {
kenjiArai 1:9db0e321a9f4 35 PwmOut::init();
kenjiArai 1:9db0e321a9f4 36 }
kenjiArai 1:9db0e321a9f4 37
kenjiArai 1:9db0e321a9f4 38 PwmOut::PwmOut(const PinMap &pinmap) : _deep_sleep_locked(false)
kenjiArai 1:9db0e321a9f4 39 {
kenjiArai 1:9db0e321a9f4 40 core_util_critical_section_enter();
kenjiArai 1:9db0e321a9f4 41 pwmout_init_direct(&_pwm, &pinmap);
kenjiArai 1:9db0e321a9f4 42 core_util_critical_section_exit();
kenjiArai 1:9db0e321a9f4 43 }
kenjiArai 1:9db0e321a9f4 44
kenjiArai 1:9db0e321a9f4 45 PwmOut::~PwmOut()
kenjiArai 1:9db0e321a9f4 46 {
kenjiArai 1:9db0e321a9f4 47 PwmOut::deinit();
kenjiArai 1:9db0e321a9f4 48 }
kenjiArai 1:9db0e321a9f4 49
kenjiArai 1:9db0e321a9f4 50 void PwmOut::write(float value)
kenjiArai 1:9db0e321a9f4 51 {
kenjiArai 1:9db0e321a9f4 52 core_util_critical_section_enter();
kenjiArai 1:9db0e321a9f4 53 pwmout_write(&_pwm, value);
kenjiArai 1:9db0e321a9f4 54 core_util_critical_section_exit();
kenjiArai 1:9db0e321a9f4 55 }
kenjiArai 1:9db0e321a9f4 56
kenjiArai 1:9db0e321a9f4 57 float PwmOut::read()
kenjiArai 1:9db0e321a9f4 58 {
kenjiArai 1:9db0e321a9f4 59 core_util_critical_section_enter();
kenjiArai 1:9db0e321a9f4 60 float val = pwmout_read(&_pwm);
kenjiArai 1:9db0e321a9f4 61 core_util_critical_section_exit();
kenjiArai 1:9db0e321a9f4 62 return val;
kenjiArai 1:9db0e321a9f4 63 }
kenjiArai 1:9db0e321a9f4 64
kenjiArai 1:9db0e321a9f4 65 void PwmOut::period(float seconds)
kenjiArai 1:9db0e321a9f4 66 {
kenjiArai 1:9db0e321a9f4 67 core_util_critical_section_enter();
kenjiArai 1:9db0e321a9f4 68 pwmout_period(&_pwm, seconds);
kenjiArai 1:9db0e321a9f4 69 core_util_critical_section_exit();
kenjiArai 1:9db0e321a9f4 70 }
kenjiArai 1:9db0e321a9f4 71
kenjiArai 1:9db0e321a9f4 72 void PwmOut::period_ms(int ms)
kenjiArai 1:9db0e321a9f4 73 {
kenjiArai 1:9db0e321a9f4 74 core_util_critical_section_enter();
kenjiArai 1:9db0e321a9f4 75 pwmout_period_ms(&_pwm, ms);
kenjiArai 1:9db0e321a9f4 76 core_util_critical_section_exit();
kenjiArai 1:9db0e321a9f4 77 }
kenjiArai 1:9db0e321a9f4 78
kenjiArai 1:9db0e321a9f4 79 void PwmOut::period_us(int us)
kenjiArai 1:9db0e321a9f4 80 {
kenjiArai 1:9db0e321a9f4 81 core_util_critical_section_enter();
kenjiArai 1:9db0e321a9f4 82 pwmout_period_us(&_pwm, us);
kenjiArai 1:9db0e321a9f4 83 core_util_critical_section_exit();
kenjiArai 1:9db0e321a9f4 84 }
kenjiArai 1:9db0e321a9f4 85
kenjiArai 1:9db0e321a9f4 86 void PwmOut::pulsewidth(float seconds)
kenjiArai 1:9db0e321a9f4 87 {
kenjiArai 1:9db0e321a9f4 88 core_util_critical_section_enter();
kenjiArai 1:9db0e321a9f4 89 pwmout_pulsewidth(&_pwm, seconds);
kenjiArai 1:9db0e321a9f4 90 core_util_critical_section_exit();
kenjiArai 1:9db0e321a9f4 91 }
kenjiArai 1:9db0e321a9f4 92
kenjiArai 1:9db0e321a9f4 93 void PwmOut::pulsewidth_ms(int ms)
kenjiArai 1:9db0e321a9f4 94 {
kenjiArai 1:9db0e321a9f4 95 core_util_critical_section_enter();
kenjiArai 1:9db0e321a9f4 96 pwmout_pulsewidth_ms(&_pwm, ms);
kenjiArai 1:9db0e321a9f4 97 core_util_critical_section_exit();
kenjiArai 1:9db0e321a9f4 98 }
kenjiArai 1:9db0e321a9f4 99
kenjiArai 1:9db0e321a9f4 100 void PwmOut::pulsewidth_us(int us)
kenjiArai 1:9db0e321a9f4 101 {
kenjiArai 1:9db0e321a9f4 102 core_util_critical_section_enter();
kenjiArai 1:9db0e321a9f4 103 pwmout_pulsewidth_us(&_pwm, us);
kenjiArai 1:9db0e321a9f4 104 core_util_critical_section_exit();
kenjiArai 1:9db0e321a9f4 105 }
kenjiArai 1:9db0e321a9f4 106
kenjiArai 1:9db0e321a9f4 107 void PwmOut::suspend()
kenjiArai 1:9db0e321a9f4 108 {
kenjiArai 1:9db0e321a9f4 109 core_util_critical_section_enter();
kenjiArai 1:9db0e321a9f4 110 if (_initialized) {
kenjiArai 1:9db0e321a9f4 111 _duty_cycle = PwmOut::read();
kenjiArai 1:9db0e321a9f4 112 PwmOut::deinit();
kenjiArai 1:9db0e321a9f4 113 }
kenjiArai 1:9db0e321a9f4 114 core_util_critical_section_exit();
kenjiArai 1:9db0e321a9f4 115 }
kenjiArai 1:9db0e321a9f4 116
kenjiArai 1:9db0e321a9f4 117 void PwmOut::resume()
kenjiArai 1:9db0e321a9f4 118 {
kenjiArai 1:9db0e321a9f4 119 core_util_critical_section_enter();
kenjiArai 1:9db0e321a9f4 120 if (!_initialized) {
kenjiArai 1:9db0e321a9f4 121 PwmOut::init();
kenjiArai 1:9db0e321a9f4 122 PwmOut::write(_duty_cycle);
kenjiArai 1:9db0e321a9f4 123 }
kenjiArai 1:9db0e321a9f4 124 core_util_critical_section_exit();
kenjiArai 1:9db0e321a9f4 125 }
kenjiArai 1:9db0e321a9f4 126
kenjiArai 1:9db0e321a9f4 127 void PwmOut::lock_deep_sleep()
kenjiArai 1:9db0e321a9f4 128 {
kenjiArai 1:9db0e321a9f4 129 if (_deep_sleep_locked == false) {
kenjiArai 1:9db0e321a9f4 130 sleep_manager_lock_deep_sleep();
kenjiArai 1:9db0e321a9f4 131 _deep_sleep_locked = true;
kenjiArai 1:9db0e321a9f4 132 }
kenjiArai 1:9db0e321a9f4 133 }
kenjiArai 1:9db0e321a9f4 134
kenjiArai 1:9db0e321a9f4 135 void PwmOut::unlock_deep_sleep()
kenjiArai 1:9db0e321a9f4 136 {
kenjiArai 1:9db0e321a9f4 137 if (_deep_sleep_locked == true) {
kenjiArai 1:9db0e321a9f4 138 sleep_manager_unlock_deep_sleep();
kenjiArai 1:9db0e321a9f4 139 _deep_sleep_locked = false;
kenjiArai 1:9db0e321a9f4 140 }
kenjiArai 1:9db0e321a9f4 141 }
kenjiArai 1:9db0e321a9f4 142
kenjiArai 1:9db0e321a9f4 143 void PwmOut::init()
kenjiArai 1:9db0e321a9f4 144 {
kenjiArai 1:9db0e321a9f4 145 core_util_critical_section_enter();
kenjiArai 1:9db0e321a9f4 146
kenjiArai 1:9db0e321a9f4 147 if (!_initialized) {
kenjiArai 1:9db0e321a9f4 148 pwmout_init(&_pwm, _pin);
kenjiArai 1:9db0e321a9f4 149 lock_deep_sleep();
kenjiArai 1:9db0e321a9f4 150 _initialized = true;
kenjiArai 1:9db0e321a9f4 151 }
kenjiArai 1:9db0e321a9f4 152
kenjiArai 1:9db0e321a9f4 153 core_util_critical_section_exit();
kenjiArai 1:9db0e321a9f4 154 }
kenjiArai 1:9db0e321a9f4 155
kenjiArai 1:9db0e321a9f4 156 void PwmOut::deinit()
kenjiArai 1:9db0e321a9f4 157 {
kenjiArai 1:9db0e321a9f4 158 core_util_critical_section_enter();
kenjiArai 1:9db0e321a9f4 159
kenjiArai 1:9db0e321a9f4 160 if (_initialized) {
kenjiArai 1:9db0e321a9f4 161 pwmout_free(&_pwm);
kenjiArai 1:9db0e321a9f4 162 unlock_deep_sleep();
kenjiArai 1:9db0e321a9f4 163 _initialized = false;
kenjiArai 1:9db0e321a9f4 164 }
kenjiArai 1:9db0e321a9f4 165
kenjiArai 1:9db0e321a9f4 166 core_util_critical_section_exit();
kenjiArai 1:9db0e321a9f4 167 }
kenjiArai 1:9db0e321a9f4 168
kenjiArai 1:9db0e321a9f4 169 } // namespace mbed
kenjiArai 1:9db0e321a9f4 170
kenjiArai 1:9db0e321a9f4 171 #endif // #if DEVICE_PWMOUT