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_CortexM0P/gpio_object.h@147:ba84b7dc41a7, 2016-09-10 (annotated)

Committer:
JojoS
Date:
Sat Sep 10 15:32:04 2016 +0000
Revision:
147:ba84b7dc41a7
Parent:
15:a81a8d6c1dfe 
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 15:a81a8d6c1dfe 1 /* mbed Microcontroller Library
mbed_official 15:a81a8d6c1dfe 2 * Copyright (c) 2006-2015 ARM Limited
mbed_official 15:a81a8d6c1dfe 3 *
mbed_official 15:a81a8d6c1dfe 4 * Licensed under the Apache License, Version 2.0 (the "License");
mbed_official 15:a81a8d6c1dfe 5 * you may not use this file except in compliance with the License.
mbed_official 15:a81a8d6c1dfe 6 * You may obtain a copy of the License at
mbed_official 15:a81a8d6c1dfe 7 *
mbed_official 15:a81a8d6c1dfe 8 * http://www.apache.org/licenses/LICENSE-2.0
mbed_official 15:a81a8d6c1dfe 9 *
mbed_official 15:a81a8d6c1dfe 10 * Unless required by applicable law or agreed to in writing, software
mbed_official 15:a81a8d6c1dfe 11 * distributed under the License is distributed on an "AS IS" BASIS,
mbed_official 15:a81a8d6c1dfe 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mbed_official 15:a81a8d6c1dfe 13 * See the License for the specific language governing permissions and
mbed_official 15:a81a8d6c1dfe 14 * limitations under the License.
mbed_official 15:a81a8d6c1dfe 15 */
mbed_official 15:a81a8d6c1dfe 16 #ifndef MBED_GPIO_OBJECT_H
mbed_official 15:a81a8d6c1dfe 17 #define MBED_GPIO_OBJECT_H
mbed_official 15:a81a8d6c1dfe 18
mbed_official 15:a81a8d6c1dfe 19 #include "mbed_assert.h"
mbed_official 15:a81a8d6c1dfe 20
mbed_official 15:a81a8d6c1dfe 21 #ifdef __cplusplus
mbed_official 15:a81a8d6c1dfe 22 extern "C" {
mbed_official 15:a81a8d6c1dfe 23 #endif
mbed_official 15:a81a8d6c1dfe 24
mbed_official 15:a81a8d6c1dfe 25 typedef struct {
mbed_official 15:a81a8d6c1dfe 26 PinName pin;
mbed_official 15:a81a8d6c1dfe 27 uint32_t mask;
mbed_official 15:a81a8d6c1dfe 28 uint8_t powersave;
mbed_official 15:a81a8d6c1dfe 29 uint8_t mode;
mbed_official 15:a81a8d6c1dfe 30 uint8_t direction;
mbed_official 15:a81a8d6c1dfe 31
mbed_official 15:a81a8d6c1dfe 32 __IO uint32_t *OUTCLR;
mbed_official 15:a81a8d6c1dfe 33 __IO uint32_t *OUTSET;
mbed_official 15:a81a8d6c1dfe 34 __I uint32_t *IN;
mbed_official 15:a81a8d6c1dfe 35 __I uint32_t *OUT;
mbed_official 15:a81a8d6c1dfe 36 } gpio_t;
mbed_official 15:a81a8d6c1dfe 37
mbed_official 15:a81a8d6c1dfe 38 static inline void gpio_write(gpio_t *obj, int value)
mbed_official 15:a81a8d6c1dfe 39 {
mbed_official 15:a81a8d6c1dfe 40 MBED_ASSERT(obj->pin != (PinName)NC);
mbed_official 15:a81a8d6c1dfe 41 if (value)
mbed_official 15:a81a8d6c1dfe 42 *obj->OUTSET = obj->mask;
mbed_official 15:a81a8d6c1dfe 43 else
mbed_official 15:a81a8d6c1dfe 44 *obj->OUTCLR = obj->mask;
mbed_official 15:a81a8d6c1dfe 45 }
mbed_official 15:a81a8d6c1dfe 46
mbed_official 15:a81a8d6c1dfe 47 static inline int gpio_read(gpio_t *obj)
mbed_official 15:a81a8d6c1dfe 48 {
mbed_official 15:a81a8d6c1dfe 49 MBED_ASSERT(obj->pin != (PinName)NC);
mbed_official 15:a81a8d6c1dfe 50 if (obj->direction == PIN_INPUT)
mbed_official 15:a81a8d6c1dfe 51 return ((*obj->IN & obj->mask) ? 1 : 0);
mbed_official 15:a81a8d6c1dfe 52 else
mbed_official 15:a81a8d6c1dfe 53 return ((*obj->OUT & obj->mask) ? 1 : 0);
mbed_official 15:a81a8d6c1dfe 54 }
mbed_official 15:a81a8d6c1dfe 55
mbed_official 15:a81a8d6c1dfe 56 static inline int gpio_is_connected(const gpio_t *obj)
mbed_official 15:a81a8d6c1dfe 57 {
mbed_official 15:a81a8d6c1dfe 58 return obj->pin != (PinName)NC;
mbed_official 15:a81a8d6c1dfe 59 }
mbed_official 15:a81a8d6c1dfe 60
mbed_official 15:a81a8d6c1dfe 61 #ifdef __cplusplus
mbed_official 15:a81a8d6c1dfe 62 }
mbed_official 15:a81a8d6c1dfe 63 #endif
mbed_official 15:a81a8d6c1dfe 64
mbed_official 15:a81a8d6c1dfe 65 #endif