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_LPC1549/TARGET_NXP/TARGET_LPC15XX/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?

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 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 86:04dd9b1680ae 37
bogdanm 66:9c8f0e3462fb 38 if (value)
bogdanm 66:9c8f0e3462fb 39 *obj->reg_set = obj->mask;
bogdanm 66:9c8f0e3462fb 40 else
bogdanm 66:9c8f0e3462fb 41 *obj->reg_clr = obj->mask;
bogdanm 66:9c8f0e3462fb 42 }
bogdanm 66:9c8f0e3462fb 43
bogdanm 66:9c8f0e3462fb 44 static inline int gpio_read(gpio_t *obj) {
bogdanm 86:04dd9b1680ae 45 MBED_ASSERT(obj->pin != (PinName)NC);
bogdanm 66:9c8f0e3462fb 46 return ((*obj->reg_in & obj->mask) ? 1 : 0);
bogdanm 66:9c8f0e3462fb 47 }
bogdanm 66:9c8f0e3462fb 48
Kojto 93:e188a91d3eaa 49 static inline int gpio_is_connected(const gpio_t *obj) {
Kojto 93:e188a91d3eaa 50 return obj->pin != (PinName)NC;
Kojto 93:e188a91d3eaa 51 }
Kojto 93:e188a91d3eaa 52
bogdanm 66:9c8f0e3462fb 53 #ifdef __cplusplus
bogdanm 66:9c8f0e3462fb 54 }
bogdanm 66:9c8f0e3462fb 55 #endif
bogdanm 66:9c8f0e3462fb 56
bogdanm 66:9c8f0e3462fb 57 #endif