Steve Kim / mbed-src-test

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targets/hal/TARGET_Silicon_Labs/TARGET_EFM32/gpio_object.h@556:a217bc785985, 2015-06-03 (annotated)

Committer:
mbed_official
Date:
Wed Jun 03 08:30:08 2015 +0100
Revision:
556:a217bc785985
Parent:
548:1abac31e188e 
Synchronized with git revision dd1ab3a5e660410cfbfd2286c513ef820ed2d22f



Full URL: https://github.com/mbedmicro/mbed/commit/dd1ab3a5e660410cfbfd2286c513ef820ed2d22f/



Silicon Labs - Improvements in RAM footprint of HAL.

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 527:74d34ce5a2b5 20 #include "PinNames.h"
mbed_official 525:c320967f86b9 21
mbed_official 525:c320967f86b9 22 #ifdef __cplusplus
mbed_official 525:c320967f86b9 23 extern "C" {
mbed_official 525:c320967f86b9 24 #endif
mbed_official 525:c320967f86b9 25
mbed_official 525:c320967f86b9 26 typedef struct {
mbed_official 525:c320967f86b9 27 PinName pin;
mbed_official 525:c320967f86b9 28 PinMode mode;
mbed_official 556:a217bc785985 29 PinDirection dir;
mbed_official 525:c320967f86b9 30 } gpio_t;
mbed_official 525:c320967f86b9 31
mbed_official 525:c320967f86b9 32 static inline void gpio_write(gpio_t *obj, int value)
mbed_official 525:c320967f86b9 33 {
mbed_official 525:c320967f86b9 34 if (value) {
mbed_official 556:a217bc785985 35 GPIO_PinOutSet((GPIO_Port_TypeDef)((obj->pin >> 4) & 0xF), obj->pin & 0xF); // Pin number encoded in first four bits of obj->pin
mbed_official 525:c320967f86b9 36 } else {
mbed_official 556:a217bc785985 37 GPIO_PinOutClear((GPIO_Port_TypeDef)((obj->pin >> 4) & 0xF), obj->pin & 0xF);
mbed_official 525:c320967f86b9 38 }
mbed_official 525:c320967f86b9 39 }
mbed_official 525:c320967f86b9 40
mbed_official 525:c320967f86b9 41 static inline int gpio_read(gpio_t *obj)
mbed_official 525:c320967f86b9 42 {
mbed_official 525:c320967f86b9 43 if (obj->dir == PIN_INPUT) {
mbed_official 556:a217bc785985 44 return GPIO_PinInGet((GPIO_Port_TypeDef)((obj->pin >> 4) & 0xF), obj->pin & 0xF); // Pin number encoded in first four bits of obj->pin
mbed_official 525:c320967f86b9 45 } else {
mbed_official 556:a217bc785985 46 return GPIO_PinOutGet((GPIO_Port_TypeDef)((obj->pin >> 4) & 0xF), obj->pin & 0xF);
mbed_official 525:c320967f86b9 47 }
mbed_official 525:c320967f86b9 48 }
mbed_official 525:c320967f86b9 49
mbed_official 548:1abac31e188e 50 static inline int gpio_is_connected(const gpio_t *obj)
mbed_official 548:1abac31e188e 51 {
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