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mbed library sources
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targets/hal/TARGET_NXP/TARGET_LPC11XX/gpio_object.h@19:398f4c622e1b, 2013-08-19 (annotated)
- Committer:
- bogdanm
- Date:
- Mon Aug 19 18:17:02 2013 +0300
- Revision:
- 19:398f4c622e1b
Sync with official mbed library release 66
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| bogdanm | 19:398f4c622e1b | 1 | /* mbed Microcontroller Library |
| bogdanm | 19:398f4c622e1b | 2 | * Copyright (c) 2006-2013 ARM Limited |
| bogdanm | 19:398f4c622e1b | 3 | * |
| bogdanm | 19:398f4c622e1b | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| bogdanm | 19:398f4c622e1b | 5 | * you may not use this file except in compliance with the License. |
| bogdanm | 19:398f4c622e1b | 6 | * You may obtain a copy of the License at |
| bogdanm | 19:398f4c622e1b | 7 | * |
| bogdanm | 19:398f4c622e1b | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| bogdanm | 19:398f4c622e1b | 9 | * |
| bogdanm | 19:398f4c622e1b | 10 | * Unless required by applicable law or agreed to in writing, software |
| bogdanm | 19:398f4c622e1b | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| bogdanm | 19:398f4c622e1b | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| bogdanm | 19:398f4c622e1b | 13 | * See the License for the specific language governing permissions and |
| bogdanm | 19:398f4c622e1b | 14 | * limitations under the License. |
| bogdanm | 19:398f4c622e1b | 15 | */ |
| bogdanm | 19:398f4c622e1b | 16 | #ifndef MBED_GPIO_OBJECT_H |
| bogdanm | 19:398f4c622e1b | 17 | #define MBED_GPIO_OBJECT_H |
| bogdanm | 19:398f4c622e1b | 18 | |
| bogdanm | 19:398f4c622e1b | 19 | #ifdef __cplusplus |
| bogdanm | 19:398f4c622e1b | 20 | extern "C" { |
| bogdanm | 19:398f4c622e1b | 21 | #endif |
| bogdanm | 19:398f4c622e1b | 22 | |
| bogdanm | 19:398f4c622e1b | 23 | typedef struct { |
| bogdanm | 19:398f4c622e1b | 24 | PinName pin; |
| bogdanm | 19:398f4c622e1b | 25 | __I uint32_t *reg_mask_read; |
| bogdanm | 19:398f4c622e1b | 26 | __IO uint32_t *reg_dir; |
| bogdanm | 19:398f4c622e1b | 27 | __IO uint32_t *reg_write; |
| bogdanm | 19:398f4c622e1b | 28 | } gpio_t; |
| bogdanm | 19:398f4c622e1b | 29 | |
| bogdanm | 19:398f4c622e1b | 30 | static inline void gpio_write(gpio_t *obj, int value) { |
| bogdanm | 19:398f4c622e1b | 31 | uint32_t pin_number = ((obj->pin & 0x0F00) >> 8); |
| bogdanm | 19:398f4c622e1b | 32 | if (value) |
| bogdanm | 19:398f4c622e1b | 33 | *obj->reg_write |= (1 << pin_number); |
| bogdanm | 19:398f4c622e1b | 34 | else |
| bogdanm | 19:398f4c622e1b | 35 | *obj->reg_write &= ~(1 << pin_number); |
| bogdanm | 19:398f4c622e1b | 36 | } |
| bogdanm | 19:398f4c622e1b | 37 | |
| bogdanm | 19:398f4c622e1b | 38 | static inline int gpio_read(gpio_t *obj) { |
| bogdanm | 19:398f4c622e1b | 39 | return ((*obj->reg_mask_read) ? 1 : 0); |
| bogdanm | 19:398f4c622e1b | 40 | } |
| bogdanm | 19:398f4c622e1b | 41 | |
| bogdanm | 19:398f4c622e1b | 42 | #ifdef __cplusplus |
| bogdanm | 19:398f4c622e1b | 43 | } |
| bogdanm | 19:398f4c622e1b | 44 | #endif |
| bogdanm | 19:398f4c622e1b | 45 | |
| bogdanm | 19:398f4c622e1b | 46 | #endif |