DongEun Koak / mbed-src

mbed library sources

Dependents:   Freedman_v2 Nucleo_i2c_OLED_BME280_copy

Fork of mbed-src by mbed official

targets/hal/TARGET_ARM_SSG/TARGET_MPS2/gpio_object.h@580:3c14cb9b87c5, 2015-07-02 (annotated)

Committer:
mbed_official
Date:
Thu Jul 02 16:15:09 2015 +0100
Revision:
580:3c14cb9b87c5
Synchronized with git revision 213caf296f26963a7bea129b8ec4f33bbd1e6588



Full URL: https://github.com/mbedmicro/mbed/commit/213caf296f26963a7bea129b8ec4f33bbd1e6588/



commit of mps2

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 580:3c14cb9b87c5 1 /* mbed Microcontroller Library
mbed_official 580:3c14cb9b87c5 2 * Copyright (c) 2006-2015 ARM Limited
mbed_official 580:3c14cb9b87c5 3 *
mbed_official 580:3c14cb9b87c5 4 * Licensed under the Apache License, Version 2.0 (the "License");
mbed_official 580:3c14cb9b87c5 5 * you may not use this file except in compliance with the License.
mbed_official 580:3c14cb9b87c5 6 * You may obtain a copy of the License at
mbed_official 580:3c14cb9b87c5 7 *
mbed_official 580:3c14cb9b87c5 8 * http://www.apache.org/licenses/LICENSE-2.0
mbed_official 580:3c14cb9b87c5 9 *
mbed_official 580:3c14cb9b87c5 10 * Unless required by applicable law or agreed to in writing, software
mbed_official 580:3c14cb9b87c5 11 * distributed under the License is distributed on an "AS IS" BASIS,
mbed_official 580:3c14cb9b87c5 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mbed_official 580:3c14cb9b87c5 13 * See the License for the specific language governing permissions and
mbed_official 580:3c14cb9b87c5 14 * limitations under the License.
mbed_official 580:3c14cb9b87c5 15 */
mbed_official 580:3c14cb9b87c5 16 #ifndef MBED_GPIO_OBJECT_H
mbed_official 580:3c14cb9b87c5 17 #define MBED_GPIO_OBJECT_H
mbed_official 580:3c14cb9b87c5 18
mbed_official 580:3c14cb9b87c5 19 #include "cmsis.h"
mbed_official 580:3c14cb9b87c5 20 #include "PortNames.h"
mbed_official 580:3c14cb9b87c5 21 #include "PeripheralNames.h"
mbed_official 580:3c14cb9b87c5 22 #include "PinNames.h"
mbed_official 580:3c14cb9b87c5 23
mbed_official 580:3c14cb9b87c5 24 #ifdef __cplusplus
mbed_official 580:3c14cb9b87c5 25 extern "C" {
mbed_official 580:3c14cb9b87c5 26 #endif
mbed_official 580:3c14cb9b87c5 27
mbed_official 580:3c14cb9b87c5 28 typedef struct {
mbed_official 580:3c14cb9b87c5 29 PinName pin;
mbed_official 580:3c14cb9b87c5 30 uint32_t mask;
mbed_official 580:3c14cb9b87c5 31 uint32_t pin_number;
mbed_official 580:3c14cb9b87c5 32
mbed_official 580:3c14cb9b87c5 33 __IO uint32_t *reg_dir;
mbed_official 580:3c14cb9b87c5 34 __IO uint32_t *reg_dirclr;
mbed_official 580:3c14cb9b87c5 35 __IO uint32_t *reg_data;
mbed_official 580:3c14cb9b87c5 36 __I uint32_t *reg_in;
mbed_official 580:3c14cb9b87c5 37 } gpio_t;
mbed_official 580:3c14cb9b87c5 38
mbed_official 580:3c14cb9b87c5 39 static inline void gpio_write(gpio_t *obj, int value) {
mbed_official 580:3c14cb9b87c5 40 if (value == 1){
mbed_official 580:3c14cb9b87c5 41 *obj->reg_data |= (obj->mask);
mbed_official 580:3c14cb9b87c5 42 } else if (value == 0){
mbed_official 580:3c14cb9b87c5 43 *obj->reg_data &= ~(obj->mask);
mbed_official 580:3c14cb9b87c5 44 }
mbed_official 580:3c14cb9b87c5 45 }
mbed_official 580:3c14cb9b87c5 46
mbed_official 580:3c14cb9b87c5 47 static inline int gpio_read(gpio_t *obj) {
mbed_official 580:3c14cb9b87c5 48 return ((*obj->reg_in & obj->mask) ? 1 : 0);
mbed_official 580:3c14cb9b87c5 49 }
mbed_official 580:3c14cb9b87c5 50
mbed_official 580:3c14cb9b87c5 51 #ifdef __cplusplus
mbed_official 580:3c14cb9b87c5 52 }
mbed_official 580:3c14cb9b87c5 53 #endif
mbed_official 580:3c14cb9b87c5 54
mbed_official 580:3c14cb9b87c5 55 #endif