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mbed library sources

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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.

Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.

If you are looking for a stable and tested release, please import one of the official mbed library releases:

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The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Last commit 20 Feb 2019 by mbed official

targets/hal/TARGET_Silicon_Labs/TARGET_EFM32/gpio_object.h@526:7c4bdfe6a168, 2015-04-28 (annotated)

Committer:
mbed_official
Date:
Tue Apr 28 13:00:10 2015 +0100
Revision:
526:7c4bdfe6a168
Parent:
525:c320967f86b9
Child:
527:74d34ce5a2b5
Synchronized with git revision cdff09e6b6c486eb58fb5e968f3191c8480b0567



Full URL: https://github.com/mbedmicro/mbed/commit/cdff09e6b6c486eb58fb5e968f3191c8480b0567/



Silabs - Fix unblock/block declaration, implement gpio_is_connected

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 525:c320967f86b9 1 /* mbed Microcontroller Library
mbed_official 525:c320967f86b9 2 * Copyright (c) 2006-2013 ARM Limited
mbed_official 525:c320967f86b9 3 *
mbed_official 525:c320967f86b9 4 * Licensed under the Apache License, Version 2.0 (the "License");
mbed_official 525:c320967f86b9 5 * you may not use this file except in compliance with the License.
mbed_official 525:c320967f86b9 6 * You may obtain a copy of the License at
mbed_official 525:c320967f86b9 7 *
mbed_official 525:c320967f86b9 8 * http://www.apache.org/licenses/LICENSE-2.0
mbed_official 525:c320967f86b9 9 *
mbed_official 525:c320967f86b9 10 * Unless required by applicable law or agreed to in writing, software
mbed_official 525:c320967f86b9 11 * distributed under the License is distributed on an "AS IS" BASIS,
mbed_official 525:c320967f86b9 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mbed_official 525:c320967f86b9 13 * See the License for the specific language governing permissions and
mbed_official 525:c320967f86b9 14 * limitations under the License.
mbed_official 525:c320967f86b9 15 */
mbed_official 525:c320967f86b9 16 #ifndef MBED_GPIO_OBJECT_H
mbed_official 525:c320967f86b9 17 #define MBED_GPIO_OBJECT_H
mbed_official 525:c320967f86b9 18
mbed_official 525:c320967f86b9 19 #include "em_gpio.h"
mbed_official 525:c320967f86b9 20
mbed_official 525:c320967f86b9 21 #ifdef __cplusplus
mbed_official 525:c320967f86b9 22 extern "C" {
mbed_official 525:c320967f86b9 23 #endif
mbed_official 525:c320967f86b9 24
mbed_official 525:c320967f86b9 25 typedef struct {
mbed_official 525:c320967f86b9 26 PinName pin;
mbed_official 525:c320967f86b9 27 uint32_t mask;
mbed_official 525:c320967f86b9 28 GPIO_Port_TypeDef port;
mbed_official 525:c320967f86b9 29 PinMode mode;
mbed_official 525:c320967f86b9 30 uint32_t dir;
mbed_official 525:c320967f86b9 31 } gpio_t;
mbed_official 525:c320967f86b9 32
mbed_official 525:c320967f86b9 33 static inline void gpio_write(gpio_t *obj, int value)
mbed_official 525:c320967f86b9 34 {
mbed_official 525:c320967f86b9 35 if (value) {
mbed_official 525:c320967f86b9 36 GPIO_PinOutSet(obj->port, obj->pin & 0xF); // Pin number encoded in first four bits of obj->pin
mbed_official 525:c320967f86b9 37 } else {
mbed_official 525:c320967f86b9 38 GPIO_PinOutClear(obj->port, obj->pin & 0xF);
mbed_official 525:c320967f86b9 39 }
mbed_official 525:c320967f86b9 40 }
mbed_official 525:c320967f86b9 41
mbed_official 525:c320967f86b9 42 static inline int gpio_read(gpio_t *obj)
mbed_official 525:c320967f86b9 43 {
mbed_official 525:c320967f86b9 44 if (obj->dir == PIN_INPUT) {
mbed_official 525:c320967f86b9 45 return GPIO_PinInGet(obj->port, obj->pin & 0xF); // Pin number encoded in first four bits of obj->pin
mbed_official 525:c320967f86b9 46 } else {
mbed_official 525:c320967f86b9 47 return GPIO_PinOutGet(obj->port, obj->pin & 0xF);
mbed_official 525:c320967f86b9 48 }
mbed_official 525:c320967f86b9 49 }
mbed_official 525:c320967f86b9 50
mbed_official 526:7c4bdfe6a168 51 static inline int gpio_is_connected(const gpio_t *obj) {
mbed_official 526:7c4bdfe6a168 52 return obj->pin != (PinName)NC;
mbed_official 526:7c4bdfe6a168 53 }
mbed_official 526:7c4bdfe6a168 54
mbed_official 525:c320967f86b9 55 #ifdef __cplusplus
mbed_official 525:c320967f86b9 56 }
mbed_official 525:c320967f86b9 57 #endif
mbed_official 525:c320967f86b9 58
mbed_official 525:c320967f86b9 59 #endif