Johannes Stratmann / mbed-dev

added prescaler for 16 bit pwm in LPC1347 target

Fork of mbed-dev by mbed official

api/wait_api.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_WAIT_API_H
<> 144:ef7eb2e8f9f7 17 #define MBED_WAIT_API_H
<> 144:ef7eb2e8f9f7 18
<> 144:ef7eb2e8f9f7 19 #ifdef __cplusplus
<> 144:ef7eb2e8f9f7 20 extern "C" {
<> 144:ef7eb2e8f9f7 21 #endif
<> 144:ef7eb2e8f9f7 22
<> 144:ef7eb2e8f9f7 23 /** Generic wait functions.
<> 144:ef7eb2e8f9f7 24 *
<> 144:ef7eb2e8f9f7 25 * These provide simple NOP type wait capabilities.
<> 144:ef7eb2e8f9f7 26 *
<> 144:ef7eb2e8f9f7 27 * Example:
<> 144:ef7eb2e8f9f7 28 * @code
<> 144:ef7eb2e8f9f7 29 * #include "mbed.h"
<> 144:ef7eb2e8f9f7 30 *
<> 144:ef7eb2e8f9f7 31 * DigitalOut heartbeat(LED1);
<> 144:ef7eb2e8f9f7 32 *
<> 144:ef7eb2e8f9f7 33 * int main() {
<> 144:ef7eb2e8f9f7 34 * while (1) {
<> 144:ef7eb2e8f9f7 35 * heartbeat = 1;
<> 144:ef7eb2e8f9f7 36 * wait(0.5);
<> 144:ef7eb2e8f9f7 37 * heartbeat = 0;
<> 144:ef7eb2e8f9f7 38 * wait(0.5);
<> 144:ef7eb2e8f9f7 39 * }
<> 144:ef7eb2e8f9f7 40 * }
<> 144:ef7eb2e8f9f7 41 */
<> 144:ef7eb2e8f9f7 42
<> 144:ef7eb2e8f9f7 43 /** Waits for a number of seconds, with microsecond resolution (within
<> 144:ef7eb2e8f9f7 44 * the accuracy of single precision floating point).
<> 144:ef7eb2e8f9f7 45 *
<> 144:ef7eb2e8f9f7 46 * @param s number of seconds to wait
<> 144:ef7eb2e8f9f7 47 */
<> 144:ef7eb2e8f9f7 48 void wait(float s);
<> 144:ef7eb2e8f9f7 49
<> 144:ef7eb2e8f9f7 50 /** Waits a number of milliseconds.
<> 144:ef7eb2e8f9f7 51 *
<> 144:ef7eb2e8f9f7 52 * @param ms the whole number of milliseconds to wait
<> 144:ef7eb2e8f9f7 53 */
<> 144:ef7eb2e8f9f7 54 void wait_ms(int ms);
<> 144:ef7eb2e8f9f7 55
<> 144:ef7eb2e8f9f7 56 /** Waits a number of microseconds.
<> 144:ef7eb2e8f9f7 57 *
<> 144:ef7eb2e8f9f7 58 * @param us the whole number of microseconds to wait
<> 144:ef7eb2e8f9f7 59 */
<> 144:ef7eb2e8f9f7 60 void wait_us(int us);
<> 144:ef7eb2e8f9f7 61
<> 144:ef7eb2e8f9f7 62 #ifdef __cplusplus
<> 144:ef7eb2e8f9f7 63 }
<> 144:ef7eb2e8f9f7 64 #endif
<> 144:ef7eb2e8f9f7 65
<> 144:ef7eb2e8f9f7 66 #endif