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TARGET_NRF51_MICROBIT/TARGET_NORDIC/TARGET_MCU_NRF51822/gpio_object.h@0:e1a608bb55e8, 2016-04-07 (annotated)
- Committer:
- jamesadevine
- Date:
- Thu Apr 07 18:33:58 2016 +0100
- Revision:
- 0:e1a608bb55e8
Added binary version of mbed
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
jamesadevine | 0:e1a608bb55e8 | 1 | /* mbed Microcontroller Library |
jamesadevine | 0:e1a608bb55e8 | 2 | * Copyright (c) 2006-2013 ARM Limited |
jamesadevine | 0:e1a608bb55e8 | 3 | * |
jamesadevine | 0:e1a608bb55e8 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
jamesadevine | 0:e1a608bb55e8 | 5 | * you may not use this file except in compliance with the License. |
jamesadevine | 0:e1a608bb55e8 | 6 | * You may obtain a copy of the License at |
jamesadevine | 0:e1a608bb55e8 | 7 | * |
jamesadevine | 0:e1a608bb55e8 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
jamesadevine | 0:e1a608bb55e8 | 9 | * |
jamesadevine | 0:e1a608bb55e8 | 10 | * Unless required by applicable law or agreed to in writing, software |
jamesadevine | 0:e1a608bb55e8 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
jamesadevine | 0:e1a608bb55e8 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
jamesadevine | 0:e1a608bb55e8 | 13 | * See the License for the specific language governing permissions and |
jamesadevine | 0:e1a608bb55e8 | 14 | * limitations under the License. |
jamesadevine | 0:e1a608bb55e8 | 15 | */ |
jamesadevine | 0:e1a608bb55e8 | 16 | #ifndef MBED_GPIO_OBJECT_H |
jamesadevine | 0:e1a608bb55e8 | 17 | #define MBED_GPIO_OBJECT_H |
jamesadevine | 0:e1a608bb55e8 | 18 | |
jamesadevine | 0:e1a608bb55e8 | 19 | #include "mbed_assert.h" |
jamesadevine | 0:e1a608bb55e8 | 20 | |
jamesadevine | 0:e1a608bb55e8 | 21 | #ifdef __cplusplus |
jamesadevine | 0:e1a608bb55e8 | 22 | extern "C" { |
jamesadevine | 0:e1a608bb55e8 | 23 | #endif |
jamesadevine | 0:e1a608bb55e8 | 24 | |
jamesadevine | 0:e1a608bb55e8 | 25 | typedef struct { |
jamesadevine | 0:e1a608bb55e8 | 26 | PinName pin; |
jamesadevine | 0:e1a608bb55e8 | 27 | uint32_t mask; |
jamesadevine | 0:e1a608bb55e8 | 28 | |
jamesadevine | 0:e1a608bb55e8 | 29 | __IO uint32_t *reg_dir; |
jamesadevine | 0:e1a608bb55e8 | 30 | __IO uint32_t *reg_set; |
jamesadevine | 0:e1a608bb55e8 | 31 | __IO uint32_t *reg_clr; |
jamesadevine | 0:e1a608bb55e8 | 32 | __I uint32_t *reg_in; |
jamesadevine | 0:e1a608bb55e8 | 33 | } gpio_t; |
jamesadevine | 0:e1a608bb55e8 | 34 | |
jamesadevine | 0:e1a608bb55e8 | 35 | static inline void gpio_write(gpio_t *obj, int value) { |
jamesadevine | 0:e1a608bb55e8 | 36 | MBED_ASSERT(obj->pin != (PinName)NC); |
jamesadevine | 0:e1a608bb55e8 | 37 | if (value) |
jamesadevine | 0:e1a608bb55e8 | 38 | *obj->reg_set = obj->mask; |
jamesadevine | 0:e1a608bb55e8 | 39 | else |
jamesadevine | 0:e1a608bb55e8 | 40 | *obj->reg_clr = obj->mask; |
jamesadevine | 0:e1a608bb55e8 | 41 | } |
jamesadevine | 0:e1a608bb55e8 | 42 | |
jamesadevine | 0:e1a608bb55e8 | 43 | static inline int gpio_read(gpio_t *obj) { |
jamesadevine | 0:e1a608bb55e8 | 44 | MBED_ASSERT(obj->pin != (PinName)NC); |
jamesadevine | 0:e1a608bb55e8 | 45 | return ((*obj->reg_in & obj->mask) ? 1 : 0); |
jamesadevine | 0:e1a608bb55e8 | 46 | } |
jamesadevine | 0:e1a608bb55e8 | 47 | |
jamesadevine | 0:e1a608bb55e8 | 48 | static inline int gpio_is_connected(const gpio_t *obj) { |
jamesadevine | 0:e1a608bb55e8 | 49 | return obj->pin != (PinName)NC; |
jamesadevine | 0:e1a608bb55e8 | 50 | } |
jamesadevine | 0:e1a608bb55e8 | 51 | |
jamesadevine | 0:e1a608bb55e8 | 52 | #ifdef __cplusplus |
jamesadevine | 0:e1a608bb55e8 | 53 | } |
jamesadevine | 0:e1a608bb55e8 | 54 | #endif |
jamesadevine | 0:e1a608bb55e8 | 55 | |
jamesadevine | 0:e1a608bb55e8 | 56 | #endif |