added prescaler for 16 bit pwm in LPC1347 target

Fork of mbed-dev by mbed official

Committer:
JojoS
Date:
Sat Sep 10 15:32:04 2016 +0000
Revision:
147:ba84b7dc41a7
Parent:
107:414e9c822e99
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
mbed_official 107:414e9c822e99 1 /* mbed Microcontroller Library
mbed_official 107:414e9c822e99 2 * Copyright (c) 2006-2015 ARM Limited
mbed_official 107:414e9c822e99 3 *
mbed_official 107:414e9c822e99 4 * Licensed under the Apache License, Version 2.0 (the "License");
mbed_official 107:414e9c822e99 5 * you may not use this file except in compliance with the License.
mbed_official 107:414e9c822e99 6 * You may obtain a copy of the License at
mbed_official 107:414e9c822e99 7 *
mbed_official 107:414e9c822e99 8 * http://www.apache.org/licenses/LICENSE-2.0
mbed_official 107:414e9c822e99 9 *
mbed_official 107:414e9c822e99 10 * Unless required by applicable law or agreed to in writing, software
mbed_official 107:414e9c822e99 11 * distributed under the License is distributed on an "AS IS" BASIS,
mbed_official 107:414e9c822e99 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mbed_official 107:414e9c822e99 13 * See the License for the specific language governing permissions and
mbed_official 107:414e9c822e99 14 * limitations under the License.
mbed_official 107:414e9c822e99 15 */
mbed_official 107:414e9c822e99 16 #include <stddef.h>
mbed_official 107:414e9c822e99 17
mbed_official 107:414e9c822e99 18 #include "cmsis.h"
mbed_official 107:414e9c822e99 19 #include "mbed_assert.h"
mbed_official 107:414e9c822e99 20 #include "compiler.h"
mbed_official 107:414e9c822e99 21
mbed_official 107:414e9c822e99 22 #include "pinmap.h"
mbed_official 107:414e9c822e99 23 #include "ioport.h"
mbed_official 107:414e9c822e99 24
mbed_official 107:414e9c822e99 25 /** Change the MUX padding of input pin
mbed_official 107:414e9c822e99 26 *
mbed_official 107:414e9c822e99 27 * Configure the pin for specific module
mbed_official 107:414e9c822e99 28 * @param[in] pin Pin name whose MUX padding is to be changed
mbed_official 107:414e9c822e99 29 * @param[in] function The MUX mode to be selected
mbed_official 107:414e9c822e99 30 * @return void
mbed_official 107:414e9c822e99 31 */
mbed_official 107:414e9c822e99 32 void pin_function(PinName pin, int function)
mbed_official 107:414e9c822e99 33 {
mbed_official 107:414e9c822e99 34 MBED_ASSERT(pin != (PinName)NC);
mbed_official 107:414e9c822e99 35 ioport_set_pin_mode(pin, function);
mbed_official 107:414e9c822e99 36 }
mbed_official 107:414e9c822e99 37
mbed_official 107:414e9c822e99 38 /** Change the pin pull mode
mbed_official 107:414e9c822e99 39 *
mbed_official 107:414e9c822e99 40 * Configure the pin pull mode
mbed_official 107:414e9c822e99 41 * @param[in] pin Pin name whose MUX padding is to be changed
mbed_official 107:414e9c822e99 42 * @param[in] mode Pin pull mode to be set
mbed_official 107:414e9c822e99 43 * @return void
mbed_official 107:414e9c822e99 44 */
mbed_official 107:414e9c822e99 45 void pin_mode(PinName pin, PinMode mode)
mbed_official 107:414e9c822e99 46 {
mbed_official 107:414e9c822e99 47 MBED_ASSERT(pin != (PinName)NC);
mbed_official 107:414e9c822e99 48 if (mode == PullUp) {
mbed_official 107:414e9c822e99 49 ioport_set_pin_mode(pin, IOPORT_MODE_PULLUP);
mbed_official 107:414e9c822e99 50 } else if (mode == PullDown) {
mbed_official 107:414e9c822e99 51 ioport_set_pin_mode(pin, IOPORT_MODE_PULLDOWN);
mbed_official 107:414e9c822e99 52 } else {
mbed_official 107:414e9c822e99 53 ioport_set_pin_mode(pin, IOPORT_MODE_OPEN_DRAIN);
mbed_official 107:414e9c822e99 54 }
mbed_official 107:414e9c822e99 55 }