mbed library
Fork of mbed by
TARGET_LPC812/TARGET_NXP/TARGET_LPC81X/gpio_object.h@93:e188a91d3eaa, 2015-02-03 (annotated)
- Committer:
- Kojto
- Date:
- Tue Feb 03 15:31:20 2015 +0000
- Revision:
- 93:e188a91d3eaa
- Parent:
- 86:04dd9b1680ae
Release 93 of the mbed library
Main changes:
- Renesas RZ_A1H bugfixes - i2c, ticker
- new targets - Nucleo F303RE, Nucleo F070RB, BLE SMURFS,
Dragonfly 411RE,
- BusXXX - is connected method, plus operators addition
- LPC8xx - I2c fixes
- timestamp_t reverted to uint32_t
- RTX - fixes regarding stack (alignment, magic word)
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
bogdanm | 66:9c8f0e3462fb | 1 | /* mbed Microcontroller Library |
bogdanm | 66:9c8f0e3462fb | 2 | * Copyright (c) 2006-2013 ARM Limited |
bogdanm | 66:9c8f0e3462fb | 3 | * |
bogdanm | 66:9c8f0e3462fb | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
bogdanm | 66:9c8f0e3462fb | 5 | * you may not use this file except in compliance with the License. |
bogdanm | 66:9c8f0e3462fb | 6 | * You may obtain a copy of the License at |
bogdanm | 66:9c8f0e3462fb | 7 | * |
bogdanm | 66:9c8f0e3462fb | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
bogdanm | 66:9c8f0e3462fb | 9 | * |
bogdanm | 66:9c8f0e3462fb | 10 | * Unless required by applicable law or agreed to in writing, software |
bogdanm | 66:9c8f0e3462fb | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
bogdanm | 66:9c8f0e3462fb | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
bogdanm | 66:9c8f0e3462fb | 13 | * See the License for the specific language governing permissions and |
bogdanm | 66:9c8f0e3462fb | 14 | * limitations under the License. |
bogdanm | 66:9c8f0e3462fb | 15 | */ |
bogdanm | 66:9c8f0e3462fb | 16 | #ifndef MBED_GPIO_OBJECT_H |
bogdanm | 66:9c8f0e3462fb | 17 | #define MBED_GPIO_OBJECT_H |
bogdanm | 66:9c8f0e3462fb | 18 | |
bogdanm | 86:04dd9b1680ae | 19 | #include "mbed_assert.h" |
bogdanm | 86:04dd9b1680ae | 20 | |
bogdanm | 66:9c8f0e3462fb | 21 | #ifdef __cplusplus |
bogdanm | 66:9c8f0e3462fb | 22 | extern "C" { |
bogdanm | 66:9c8f0e3462fb | 23 | #endif |
bogdanm | 66:9c8f0e3462fb | 24 | |
bogdanm | 66:9c8f0e3462fb | 25 | typedef struct { |
bogdanm | 66:9c8f0e3462fb | 26 | PinName pin; |
bogdanm | 66:9c8f0e3462fb | 27 | uint32_t mask; |
bogdanm | 66:9c8f0e3462fb | 28 | |
bogdanm | 66:9c8f0e3462fb | 29 | __IO uint32_t *reg_dir; |
bogdanm | 66:9c8f0e3462fb | 30 | __IO uint32_t *reg_set; |
bogdanm | 66:9c8f0e3462fb | 31 | __IO uint32_t *reg_clr; |
bogdanm | 66:9c8f0e3462fb | 32 | __I uint32_t *reg_in; |
bogdanm | 66:9c8f0e3462fb | 33 | } gpio_t; |
bogdanm | 66:9c8f0e3462fb | 34 | |
bogdanm | 66:9c8f0e3462fb | 35 | static inline void gpio_write(gpio_t *obj, int value) { |
bogdanm | 86:04dd9b1680ae | 36 | MBED_ASSERT(obj->pin != (PinName)NC); |
bogdanm | 66:9c8f0e3462fb | 37 | if (value) |
bogdanm | 66:9c8f0e3462fb | 38 | *obj->reg_set = obj->mask; |
bogdanm | 66:9c8f0e3462fb | 39 | else |
bogdanm | 66:9c8f0e3462fb | 40 | *obj->reg_clr = obj->mask; |
bogdanm | 66:9c8f0e3462fb | 41 | } |
bogdanm | 66:9c8f0e3462fb | 42 | |
bogdanm | 66:9c8f0e3462fb | 43 | static inline int gpio_read(gpio_t *obj) { |
bogdanm | 86:04dd9b1680ae | 44 | MBED_ASSERT(obj->pin != (PinName)NC); |
bogdanm | 66:9c8f0e3462fb | 45 | return ((*obj->reg_in & obj->mask) ? 1 : 0); |
bogdanm | 66:9c8f0e3462fb | 46 | } |
bogdanm | 66:9c8f0e3462fb | 47 | |
Kojto | 93:e188a91d3eaa | 48 | static inline int gpio_is_connected(const gpio_t *obj) { |
Kojto | 93:e188a91d3eaa | 49 | return obj->pin != (PinName)NC; |
Kojto | 93:e188a91d3eaa | 50 | } |
Kojto | 93:e188a91d3eaa | 51 | |
bogdanm | 66:9c8f0e3462fb | 52 | #ifdef __cplusplus |
bogdanm | 66:9c8f0e3462fb | 53 | } |
bogdanm | 66:9c8f0e3462fb | 54 | #endif |
bogdanm | 66:9c8f0e3462fb | 55 | |
bogdanm | 66:9c8f0e3462fb | 56 | #endif |