mbed official / mbed

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_LPC1114/TARGET_NXP/TARGET_LPC11XX_11CXX/gpio_object.h@114:252557024ec3, 2016-02-16 (annotated)

Committer:
Kojto
Date:
Tue Feb 16 14:28:01 2016 +0000
Revision:
114:252557024ec3
Parent:
93:e188a91d3eaa 
Release 114 of the mbed library



Changes:

- Atmel SAM - warnings fixes

- B96B F446VE - hw control flow addition

- Remove of GCC CW which was not active

- Remove GCC CS, not released anymore - deprecated

Who changed what in which revision?

UserRevisionLine numberNew 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 __I uint32_t *reg_mask_read;
bogdanm 66:9c8f0e3462fb 28 __IO uint32_t *reg_dir;
bogdanm 66:9c8f0e3462fb 29 __IO uint32_t *reg_write;
bogdanm 66:9c8f0e3462fb 30 } gpio_t;
bogdanm 66:9c8f0e3462fb 31
bogdanm 66:9c8f0e3462fb 32 static inline void gpio_write(gpio_t *obj, int value) {
bogdanm 86:04dd9b1680ae 33 MBED_ASSERT(obj->pin != (PinName)NC);
bogdanm 66:9c8f0e3462fb 34 uint32_t pin_number = ((obj->pin & 0x0F00) >> 8);
bogdanm 66:9c8f0e3462fb 35 if (value)
bogdanm 66:9c8f0e3462fb 36 *obj->reg_write |= (1 << pin_number);
bogdanm 66:9c8f0e3462fb 37 else
bogdanm 66:9c8f0e3462fb 38 *obj->reg_write &= ~(1 << pin_number);
bogdanm 66:9c8f0e3462fb 39 }
bogdanm 66:9c8f0e3462fb 40
bogdanm 66:9c8f0e3462fb 41 static inline int gpio_read(gpio_t *obj) {
bogdanm 86:04dd9b1680ae 42 MBED_ASSERT(obj->pin != (PinName)NC);
bogdanm 66:9c8f0e3462fb 43 return ((*obj->reg_mask_read) ? 1 : 0);
bogdanm 66:9c8f0e3462fb 44 }
bogdanm 66:9c8f0e3462fb 45
Kojto 93:e188a91d3eaa 46 static inline int gpio_is_connected(const gpio_t *obj) {
Kojto 93:e188a91d3eaa 47 return obj->pin != (PinName)NC;
Kojto 93:e188a91d3eaa 48 }
Kojto 93:e188a91d3eaa 49
bogdanm 66:9c8f0e3462fb 50 #ifdef __cplusplus
bogdanm 66:9c8f0e3462fb 51 }
bogdanm 66:9c8f0e3462fb 52 #endif
bogdanm 66:9c8f0e3462fb 53
bogdanm 66:9c8f0e3462fb 54 #endif