mbed official / mbed-dev

mbed library sources. Supersedes mbed-src.

Dependents:   Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more

targets/TARGET_RDA/TARGET_UNO_91H/gpio_object.h@189:f392fc9709a3, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 22:31:08 2019 +0000
Revision:
189:f392fc9709a3
mbed library release version 165

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 189:f392fc9709a3 1 /* mbed Microcontroller Library
AnnaBridge 189:f392fc9709a3 2 * Copyright (c) 2006-2018 ARM Limited
AnnaBridge 189:f392fc9709a3 3 *
AnnaBridge 189:f392fc9709a3 4 * Licensed under the Apache License, Version 2.0 (the "License");
AnnaBridge 189:f392fc9709a3 5 * you may not use this file except in compliance with the License.
AnnaBridge 189:f392fc9709a3 6 * You may obtain a copy of the License at
AnnaBridge 189:f392fc9709a3 7 *
AnnaBridge 189:f392fc9709a3 8 * http://www.apache.org/licenses/LICENSE-2.0
AnnaBridge 189:f392fc9709a3 9 *
AnnaBridge 189:f392fc9709a3 10 * Unless required by applicable law or agreed to in writing, software
AnnaBridge 189:f392fc9709a3 11 * distributed under the License is distributed on an "AS IS" BASIS,
AnnaBridge 189:f392fc9709a3 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
AnnaBridge 189:f392fc9709a3 13 * See the License for the specific language governing permissions and
AnnaBridge 189:f392fc9709a3 14 * limitations under the License.
AnnaBridge 189:f392fc9709a3 15 */
AnnaBridge 189:f392fc9709a3 16 #ifndef MBED_GPIO_OBJECT_H
AnnaBridge 189:f392fc9709a3 17 #define MBED_GPIO_OBJECT_H
AnnaBridge 189:f392fc9709a3 18
AnnaBridge 189:f392fc9709a3 19 #include "mbed_assert.h"
AnnaBridge 189:f392fc9709a3 20
AnnaBridge 189:f392fc9709a3 21 #ifdef __cplusplus
AnnaBridge 189:f392fc9709a3 22 extern "C" {
AnnaBridge 189:f392fc9709a3 23 #endif
AnnaBridge 189:f392fc9709a3 24
AnnaBridge 189:f392fc9709a3 25 typedef struct {
AnnaBridge 189:f392fc9709a3 26 PinName pin;
AnnaBridge 189:f392fc9709a3 27 __IO uint32_t *reg_out;
AnnaBridge 189:f392fc9709a3 28 __I uint32_t *reg_in;
AnnaBridge 189:f392fc9709a3 29 __IO uint32_t *reg_dir;
AnnaBridge 189:f392fc9709a3 30 } gpio_t;
AnnaBridge 189:f392fc9709a3 31
AnnaBridge 189:f392fc9709a3 32 static inline void gpio_write(gpio_t *obj, int value)
AnnaBridge 189:f392fc9709a3 33 {
AnnaBridge 189:f392fc9709a3 34 MBED_ASSERT(obj->pin != (PinName)NC);
AnnaBridge 189:f392fc9709a3 35 *obj->reg_out = ((value) ? 1 : 0);
AnnaBridge 189:f392fc9709a3 36 }
AnnaBridge 189:f392fc9709a3 37
AnnaBridge 189:f392fc9709a3 38 static inline int gpio_read(gpio_t *obj)
AnnaBridge 189:f392fc9709a3 39 {
AnnaBridge 189:f392fc9709a3 40 MBED_ASSERT(obj->pin != (PinName)NC);
AnnaBridge 189:f392fc9709a3 41 return ((*obj->reg_in) ? 1 : 0);
AnnaBridge 189:f392fc9709a3 42 }
AnnaBridge 189:f392fc9709a3 43
AnnaBridge 189:f392fc9709a3 44 static inline int gpio_is_connected(const gpio_t *obj)
AnnaBridge 189:f392fc9709a3 45 {
AnnaBridge 189:f392fc9709a3 46 return obj->pin != (PinName)NC;
AnnaBridge 189:f392fc9709a3 47 }
AnnaBridge 189:f392fc9709a3 48
AnnaBridge 189:f392fc9709a3 49 #ifdef __cplusplus
AnnaBridge 189:f392fc9709a3 50 }
AnnaBridge 189:f392fc9709a3 51 #endif
AnnaBridge 189:f392fc9709a3 52
AnnaBridge 189:f392fc9709a3 53 #endif