Johannes Stratmann / mbed-dev

added prescaler for 16 bit pwm in LPC1347 target

Fork of mbed-dev by mbed official

api/TimerEvent.h@147:ba84b7dc41a7, 2016-09-10 (annotated)

Committer:
JojoS
Date:
Sat Sep 10 15:32:04 2016 +0000
Revision:
147:ba84b7dc41a7
Parent:
144:ef7eb2e8f9f7 
added prescaler for 16 bit timers (solution as in LPC11xx), default prescaler 31 for max 28 ms period time

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 144:ef7eb2e8f9f7 1 /* mbed Microcontroller Library
<> 144:ef7eb2e8f9f7 2 * Copyright (c) 2006-2013 ARM Limited
<> 144:ef7eb2e8f9f7 3 *
<> 144:ef7eb2e8f9f7 4 * Licensed under the Apache License, Version 2.0 (the "License");
<> 144:ef7eb2e8f9f7 5 * you may not use this file except in compliance with the License.
<> 144:ef7eb2e8f9f7 6 * You may obtain a copy of the License at
<> 144:ef7eb2e8f9f7 7 *
<> 144:ef7eb2e8f9f7 8 * http://www.apache.org/licenses/LICENSE-2.0
<> 144:ef7eb2e8f9f7 9 *
<> 144:ef7eb2e8f9f7 10 * Unless required by applicable law or agreed to in writing, software
<> 144:ef7eb2e8f9f7 11 * distributed under the License is distributed on an "AS IS" BASIS,
<> 144:ef7eb2e8f9f7 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
<> 144:ef7eb2e8f9f7 13 * See the License for the specific language governing permissions and
<> 144:ef7eb2e8f9f7 14 * limitations under the License.
<> 144:ef7eb2e8f9f7 15 */
<> 144:ef7eb2e8f9f7 16 #ifndef MBED_TIMEREVENT_H
<> 144:ef7eb2e8f9f7 17 #define MBED_TIMEREVENT_H
<> 144:ef7eb2e8f9f7 18
<> 144:ef7eb2e8f9f7 19 #include "ticker_api.h"
<> 144:ef7eb2e8f9f7 20 #include "us_ticker_api.h"
<> 144:ef7eb2e8f9f7 21
<> 144:ef7eb2e8f9f7 22 namespace mbed {
<> 144:ef7eb2e8f9f7 23
<> 144:ef7eb2e8f9f7 24 /** Base abstraction for timer interrupts
<> 144:ef7eb2e8f9f7 25 *
<> 144:ef7eb2e8f9f7 26 * @Note Synchronization level: Interrupt safe
<> 144:ef7eb2e8f9f7 27 */
<> 144:ef7eb2e8f9f7 28 class TimerEvent {
<> 144:ef7eb2e8f9f7 29 public:
<> 144:ef7eb2e8f9f7 30 TimerEvent();
<> 144:ef7eb2e8f9f7 31 TimerEvent(const ticker_data_t *data);
<> 144:ef7eb2e8f9f7 32
<> 144:ef7eb2e8f9f7 33 /** The handler registered with the underlying timer interrupt
<> 144:ef7eb2e8f9f7 34 */
<> 144:ef7eb2e8f9f7 35 static void irq(uint32_t id);
<> 144:ef7eb2e8f9f7 36
<> 144:ef7eb2e8f9f7 37 /** Destruction removes it...
<> 144:ef7eb2e8f9f7 38 */
<> 144:ef7eb2e8f9f7 39 virtual ~TimerEvent();
<> 144:ef7eb2e8f9f7 40
<> 144:ef7eb2e8f9f7 41 protected:
<> 144:ef7eb2e8f9f7 42 // The handler called to service the timer event of the derived class
<> 144:ef7eb2e8f9f7 43 virtual void handler() = 0;
<> 144:ef7eb2e8f9f7 44
<> 144:ef7eb2e8f9f7 45 // insert in to linked list
<> 144:ef7eb2e8f9f7 46 void insert(timestamp_t timestamp);
<> 144:ef7eb2e8f9f7 47
<> 144:ef7eb2e8f9f7 48 // remove from linked list, if in it
<> 144:ef7eb2e8f9f7 49 void remove();
<> 144:ef7eb2e8f9f7 50
<> 144:ef7eb2e8f9f7 51 ticker_event_t event;
<> 144:ef7eb2e8f9f7 52
<> 144:ef7eb2e8f9f7 53 const ticker_data_t *_ticker_data;
<> 144:ef7eb2e8f9f7 54 };
<> 144:ef7eb2e8f9f7 55
<> 144:ef7eb2e8f9f7 56 } // namespace mbed
<> 144:ef7eb2e8f9f7 57
<> 144:ef7eb2e8f9f7 58 #endif