Johannes Stratmann / mbed-dev

added prescaler for 16 bit pwm in LPC1347 target

Fork of mbed-dev by mbed official

targets/hal/TARGET_Atmel/TARGET_SAM_CortexM4/gpio_object.h@147:ba84b7dc41a7, 2016-09-10 (annotated)

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 #ifndef MBED_GPIO_OBJECT_H
mbed_official 107:414e9c822e99 17 #define MBED_GPIO_OBJECT_H
mbed_official 107:414e9c822e99 18
mbed_official 107:414e9c822e99 19 #include "mbed_assert.h"
mbed_official 107:414e9c822e99 20 #include "ioport.h"
mbed_official 107:414e9c822e99 21
mbed_official 107:414e9c822e99 22 #ifdef __cplusplus
mbed_official 107:414e9c822e99 23 extern "C" {
mbed_official 107:414e9c822e99 24 #endif
mbed_official 107:414e9c822e99 25
mbed_official 107:414e9c822e99 26 typedef struct {
mbed_official 107:414e9c822e99 27 PinName pin;
mbed_official 107:414e9c822e99 28 uint8_t mode;
mbed_official 107:414e9c822e99 29 uint8_t direction;
mbed_official 107:414e9c822e99 30 } gpio_t;
mbed_official 107:414e9c822e99 31
mbed_official 107:414e9c822e99 32 static inline void gpio_write(gpio_t *obj, int value)
mbed_official 107:414e9c822e99 33 {
mbed_official 107:414e9c822e99 34 MBED_ASSERT(obj->pin != (PinName)NC);
mbed_official 107:414e9c822e99 35 if (value)
mbed_official 107:414e9c822e99 36 ioport_set_pin_level(obj->pin, IOPORT_PIN_LEVEL_HIGH);
mbed_official 107:414e9c822e99 37 else
mbed_official 107:414e9c822e99 38 ioport_set_pin_level(obj->pin, IOPORT_PIN_LEVEL_LOW);
mbed_official 107:414e9c822e99 39 }
mbed_official 107:414e9c822e99 40
mbed_official 107:414e9c822e99 41 static inline int gpio_read(gpio_t *obj)
mbed_official 107:414e9c822e99 42 {
mbed_official 107:414e9c822e99 43 MBED_ASSERT(obj->pin != (PinName)NC);
mbed_official 107:414e9c822e99 44 return (ioport_get_pin_level(obj->pin) ? 1 : 0);
mbed_official 107:414e9c822e99 45 }
mbed_official 107:414e9c822e99 46
mbed_official 107:414e9c822e99 47 static inline int gpio_is_connected(const gpio_t *obj)
mbed_official 107:414e9c822e99 48 {
mbed_official 107:414e9c822e99 49 return obj->pin != (PinName)NC;
mbed_official 107:414e9c822e99 50 }
mbed_official 107:414e9c822e99 51
mbed_official 107:414e9c822e99 52 #ifdef __cplusplus
mbed_official 107:414e9c822e99 53 }
mbed_official 107:414e9c822e99 54 #endif
mbed_official 107:414e9c822e99 55
mbed_official 107:414e9c822e99 56 #endif