The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.
Dependents: hello SerialTestv11 SerialTestv12 Sierpinski ... more
mbed 2
This is the mbed 2 library. If you'd like to learn about Mbed OS please see the mbed-os docs.
TARGET_SAMD21G18A/TARGET_Atmel/TARGET_SAM_CortexM0P/gpio_object.h@147:a97add6d7e64, 2017-07-19 (annotated)
- Committer:
- Kojto
- Date:
- Wed Jul 19 16:46:19 2017 +0100
- Revision:
- 147:a97add6d7e64
- Parent:
- 111:4336505e4b1c
Release 147 of the mbed library.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Kojto | 111:4336505e4b1c | 1 | /* mbed Microcontroller Library |
Kojto | 111:4336505e4b1c | 2 | * Copyright (c) 2006-2015 ARM Limited |
Kojto | 111:4336505e4b1c | 3 | * |
Kojto | 111:4336505e4b1c | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
Kojto | 111:4336505e4b1c | 5 | * you may not use this file except in compliance with the License. |
Kojto | 111:4336505e4b1c | 6 | * You may obtain a copy of the License at |
Kojto | 111:4336505e4b1c | 7 | * |
Kojto | 111:4336505e4b1c | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
Kojto | 111:4336505e4b1c | 9 | * |
Kojto | 111:4336505e4b1c | 10 | * Unless required by applicable law or agreed to in writing, software |
Kojto | 111:4336505e4b1c | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
Kojto | 111:4336505e4b1c | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
Kojto | 111:4336505e4b1c | 13 | * See the License for the specific language governing permissions and |
Kojto | 111:4336505e4b1c | 14 | * limitations under the License. |
Kojto | 111:4336505e4b1c | 15 | */ |
Kojto | 111:4336505e4b1c | 16 | #ifndef MBED_GPIO_OBJECT_H |
Kojto | 111:4336505e4b1c | 17 | #define MBED_GPIO_OBJECT_H |
Kojto | 111:4336505e4b1c | 18 | |
Kojto | 111:4336505e4b1c | 19 | #include "mbed_assert.h" |
Kojto | 111:4336505e4b1c | 20 | |
Kojto | 111:4336505e4b1c | 21 | #ifdef __cplusplus |
Kojto | 111:4336505e4b1c | 22 | extern "C" { |
Kojto | 111:4336505e4b1c | 23 | #endif |
Kojto | 111:4336505e4b1c | 24 | |
Kojto | 111:4336505e4b1c | 25 | typedef struct { |
Kojto | 111:4336505e4b1c | 26 | PinName pin; |
Kojto | 111:4336505e4b1c | 27 | uint32_t mask; |
Kojto | 111:4336505e4b1c | 28 | uint8_t powersave; |
Kojto | 111:4336505e4b1c | 29 | uint8_t mode; |
Kojto | 111:4336505e4b1c | 30 | uint8_t direction; |
Kojto | 111:4336505e4b1c | 31 | |
Kojto | 111:4336505e4b1c | 32 | __IO uint32_t *OUTCLR; |
Kojto | 111:4336505e4b1c | 33 | __IO uint32_t *OUTSET; |
Kojto | 111:4336505e4b1c | 34 | __I uint32_t *IN; |
Kojto | 111:4336505e4b1c | 35 | __I uint32_t *OUT; |
Kojto | 111:4336505e4b1c | 36 | } gpio_t; |
Kojto | 111:4336505e4b1c | 37 | |
Kojto | 111:4336505e4b1c | 38 | static inline void gpio_write(gpio_t *obj, int value) |
Kojto | 111:4336505e4b1c | 39 | { |
Kojto | 111:4336505e4b1c | 40 | MBED_ASSERT(obj->pin != (PinName)NC); |
Kojto | 111:4336505e4b1c | 41 | if (value) |
Kojto | 111:4336505e4b1c | 42 | *obj->OUTSET = obj->mask; |
Kojto | 111:4336505e4b1c | 43 | else |
Kojto | 111:4336505e4b1c | 44 | *obj->OUTCLR = obj->mask; |
Kojto | 111:4336505e4b1c | 45 | } |
Kojto | 111:4336505e4b1c | 46 | |
Kojto | 111:4336505e4b1c | 47 | static inline int gpio_read(gpio_t *obj) |
Kojto | 111:4336505e4b1c | 48 | { |
Kojto | 111:4336505e4b1c | 49 | MBED_ASSERT(obj->pin != (PinName)NC); |
Kojto | 111:4336505e4b1c | 50 | if (obj->direction == PIN_INPUT) |
Kojto | 111:4336505e4b1c | 51 | return ((*obj->IN & obj->mask) ? 1 : 0); |
Kojto | 111:4336505e4b1c | 52 | else |
Kojto | 111:4336505e4b1c | 53 | return ((*obj->OUT & obj->mask) ? 1 : 0); |
Kojto | 111:4336505e4b1c | 54 | } |
Kojto | 111:4336505e4b1c | 55 | |
Kojto | 111:4336505e4b1c | 56 | static inline int gpio_is_connected(const gpio_t *obj) |
Kojto | 111:4336505e4b1c | 57 | { |
Kojto | 111:4336505e4b1c | 58 | return obj->pin != (PinName)NC; |
Kojto | 111:4336505e4b1c | 59 | } |
Kojto | 111:4336505e4b1c | 60 | |
Kojto | 111:4336505e4b1c | 61 | #ifdef __cplusplus |
Kojto | 111:4336505e4b1c | 62 | } |
Kojto | 111:4336505e4b1c | 63 | #endif |
Kojto | 111:4336505e4b1c | 64 | |
Kojto | 111:4336505e4b1c | 65 | #endif |