Initial commit

Dependencies:   FastPWM

Committer:
lypinator
Date:
Wed Sep 16 01:11:49 2020 +0000
Revision:
0:bb348c97df44
Added PWM

Who changed what in which revision?

UserRevisionLine numberNew contents of line
lypinator 0:bb348c97df44 1 /* mbed Microcontroller Library
lypinator 0:bb348c97df44 2 * Copyright (c) 2006-2013 ARM Limited
lypinator 0:bb348c97df44 3 *
lypinator 0:bb348c97df44 4 * Licensed under the Apache License, Version 2.0 (the "License");
lypinator 0:bb348c97df44 5 * you may not use this file except in compliance with the License.
lypinator 0:bb348c97df44 6 * You may obtain a copy of the License at
lypinator 0:bb348c97df44 7 *
lypinator 0:bb348c97df44 8 * http://www.apache.org/licenses/LICENSE-2.0
lypinator 0:bb348c97df44 9 *
lypinator 0:bb348c97df44 10 * Unless required by applicable law or agreed to in writing, software
lypinator 0:bb348c97df44 11 * distributed under the License is distributed on an "AS IS" BASIS,
lypinator 0:bb348c97df44 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
lypinator 0:bb348c97df44 13 * See the License for the specific language governing permissions and
lypinator 0:bb348c97df44 14 * limitations under the License.
lypinator 0:bb348c97df44 15 */
lypinator 0:bb348c97df44 16 #include "hal/rtc_api.h"
lypinator 0:bb348c97df44 17
lypinator 0:bb348c97df44 18 #include "platform/mbed_critical.h"
lypinator 0:bb348c97df44 19 #include "platform/mbed_rtc_time.h"
lypinator 0:bb348c97df44 20 #include "platform/SingletonPtr.h"
lypinator 0:bb348c97df44 21 #include "platform/PlatformMutex.h"
lypinator 0:bb348c97df44 22
lypinator 0:bb348c97df44 23 static SingletonPtr<PlatformMutex> _mutex;
lypinator 0:bb348c97df44 24
lypinator 0:bb348c97df44 25 #if DEVICE_RTC
lypinator 0:bb348c97df44 26
lypinator 0:bb348c97df44 27 static void (*_rtc_init)(void) = rtc_init;
lypinator 0:bb348c97df44 28 static int (*_rtc_isenabled)(void) = rtc_isenabled;
lypinator 0:bb348c97df44 29 static time_t (*_rtc_read)(void) = rtc_read;
lypinator 0:bb348c97df44 30 static void (*_rtc_write)(time_t t) = rtc_write;
lypinator 0:bb348c97df44 31
lypinator 0:bb348c97df44 32 #elif DEVICE_LPTICKER
lypinator 0:bb348c97df44 33
lypinator 0:bb348c97df44 34 #include "drivers/LowPowerTimer.h"
lypinator 0:bb348c97df44 35
lypinator 0:bb348c97df44 36 static SingletonPtr<mbed::LowPowerTimer> _rtc_lp_timer;
lypinator 0:bb348c97df44 37 static uint64_t _rtc_lp_base;
lypinator 0:bb348c97df44 38 static bool _rtc_enabled;
lypinator 0:bb348c97df44 39
lypinator 0:bb348c97df44 40 static void _rtc_lpticker_init(void)
lypinator 0:bb348c97df44 41 {
lypinator 0:bb348c97df44 42 _rtc_lp_timer->start();
lypinator 0:bb348c97df44 43 _rtc_enabled = true;
lypinator 0:bb348c97df44 44 }
lypinator 0:bb348c97df44 45
lypinator 0:bb348c97df44 46 static int _rtc_lpticker_isenabled(void)
lypinator 0:bb348c97df44 47 {
lypinator 0:bb348c97df44 48 return (_rtc_enabled == true);
lypinator 0:bb348c97df44 49 }
lypinator 0:bb348c97df44 50
lypinator 0:bb348c97df44 51 static time_t _rtc_lpticker_read(void)
lypinator 0:bb348c97df44 52 {
lypinator 0:bb348c97df44 53 return (uint64_t)_rtc_lp_timer->read() + _rtc_lp_base;
lypinator 0:bb348c97df44 54 }
lypinator 0:bb348c97df44 55
lypinator 0:bb348c97df44 56 static void _rtc_lpticker_write(time_t t)
lypinator 0:bb348c97df44 57 {
lypinator 0:bb348c97df44 58 _rtc_lp_base = t;
lypinator 0:bb348c97df44 59 }
lypinator 0:bb348c97df44 60
lypinator 0:bb348c97df44 61 static void (*_rtc_init)(void) = _rtc_lpticker_init;
lypinator 0:bb348c97df44 62 static int (*_rtc_isenabled)(void) = _rtc_lpticker_isenabled;
lypinator 0:bb348c97df44 63 static time_t (*_rtc_read)(void) = _rtc_lpticker_read;
lypinator 0:bb348c97df44 64 static void (*_rtc_write)(time_t t) = _rtc_lpticker_write;
lypinator 0:bb348c97df44 65
lypinator 0:bb348c97df44 66 #else /* DEVICE_LPTICKER */
lypinator 0:bb348c97df44 67
lypinator 0:bb348c97df44 68 static void (*_rtc_init)(void) = NULL;
lypinator 0:bb348c97df44 69 static int (*_rtc_isenabled)(void) = NULL;
lypinator 0:bb348c97df44 70 static time_t (*_rtc_read)(void) = NULL;
lypinator 0:bb348c97df44 71 static void (*_rtc_write)(time_t t) = NULL;
lypinator 0:bb348c97df44 72 #endif /* DEVICE_LPTICKER */
lypinator 0:bb348c97df44 73
lypinator 0:bb348c97df44 74 #ifdef __cplusplus
lypinator 0:bb348c97df44 75 extern "C" {
lypinator 0:bb348c97df44 76 #endif
lypinator 0:bb348c97df44 77 #if defined (__ICCARM__)
lypinator 0:bb348c97df44 78 time_t __time32(time_t *timer)
lypinator 0:bb348c97df44 79 #else
lypinator 0:bb348c97df44 80 time_t time(time_t *timer)
lypinator 0:bb348c97df44 81 #endif
lypinator 0:bb348c97df44 82
lypinator 0:bb348c97df44 83 {
lypinator 0:bb348c97df44 84 _mutex->lock();
lypinator 0:bb348c97df44 85 if (_rtc_isenabled != NULL) {
lypinator 0:bb348c97df44 86 if (!(_rtc_isenabled())) {
lypinator 0:bb348c97df44 87 set_time(0);
lypinator 0:bb348c97df44 88 }
lypinator 0:bb348c97df44 89 }
lypinator 0:bb348c97df44 90
lypinator 0:bb348c97df44 91 time_t t = (time_t) -1;
lypinator 0:bb348c97df44 92 if (_rtc_read != NULL) {
lypinator 0:bb348c97df44 93 t = _rtc_read();
lypinator 0:bb348c97df44 94 }
lypinator 0:bb348c97df44 95
lypinator 0:bb348c97df44 96 if (timer != NULL) {
lypinator 0:bb348c97df44 97 *timer = t;
lypinator 0:bb348c97df44 98 }
lypinator 0:bb348c97df44 99 _mutex->unlock();
lypinator 0:bb348c97df44 100 return t;
lypinator 0:bb348c97df44 101 }
lypinator 0:bb348c97df44 102
lypinator 0:bb348c97df44 103 void set_time(time_t t)
lypinator 0:bb348c97df44 104 {
lypinator 0:bb348c97df44 105 _mutex->lock();
lypinator 0:bb348c97df44 106 if (_rtc_init != NULL) {
lypinator 0:bb348c97df44 107 _rtc_init();
lypinator 0:bb348c97df44 108 }
lypinator 0:bb348c97df44 109 if (_rtc_write != NULL) {
lypinator 0:bb348c97df44 110 _rtc_write(t);
lypinator 0:bb348c97df44 111 }
lypinator 0:bb348c97df44 112 _mutex->unlock();
lypinator 0:bb348c97df44 113 }
lypinator 0:bb348c97df44 114
lypinator 0:bb348c97df44 115 void attach_rtc(time_t (*read_rtc)(void), void (*write_rtc)(time_t), void (*init_rtc)(void), int (*isenabled_rtc)(void))
lypinator 0:bb348c97df44 116 {
lypinator 0:bb348c97df44 117 _mutex->lock();
lypinator 0:bb348c97df44 118 _rtc_read = read_rtc;
lypinator 0:bb348c97df44 119 _rtc_write = write_rtc;
lypinator 0:bb348c97df44 120 _rtc_init = init_rtc;
lypinator 0:bb348c97df44 121 _rtc_isenabled = isenabled_rtc;
lypinator 0:bb348c97df44 122 _mutex->unlock();
lypinator 0:bb348c97df44 123 }
lypinator 0:bb348c97df44 124
lypinator 0:bb348c97df44 125
lypinator 0:bb348c97df44 126
lypinator 0:bb348c97df44 127 #ifdef __cplusplus
lypinator 0:bb348c97df44 128 }
lypinator 0:bb348c97df44 129 #endif