mbed official / mbed-dev

mbed library sources. Supersedes mbed-src.

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

targets/TARGET_ARM_FM/TARGET_FVP_MPS2/gpio_object.h@189:f392fc9709a3, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 22:31:08 2019 +0000
Revision:
189:f392fc9709a3
Parent:
186:707f6e361f3e 
mbed library release version 165

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Anna Bridge 186:707f6e361f3e 1 /* mbed Microcontroller Library
Anna Bridge 186:707f6e361f3e 2 * Copyright (c) 2006-2018 ARM Limited
Anna Bridge 186:707f6e361f3e 3 *
Anna Bridge 186:707f6e361f3e 4 * Licensed under the Apache License, Version 2.0 (the "License");
Anna Bridge 186:707f6e361f3e 5 * you may not use this file except in compliance with the License.
Anna Bridge 186:707f6e361f3e 6 * You may obtain a copy of the License at
Anna Bridge 186:707f6e361f3e 7 *
Anna Bridge 186:707f6e361f3e 8 * http://www.apache.org/licenses/LICENSE-2.0
Anna Bridge 186:707f6e361f3e 9 *
Anna Bridge 186:707f6e361f3e 10 * Unless required by applicable law or agreed to in writing, software
Anna Bridge 186:707f6e361f3e 11 * distributed under the License is distributed on an "AS IS" BASIS,
Anna Bridge 186:707f6e361f3e 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Anna Bridge 186:707f6e361f3e 13 * See the License for the specific language governing permissions and
Anna Bridge 186:707f6e361f3e 14 * limitations under the License.
Anna Bridge 186:707f6e361f3e 15 */
Anna Bridge 186:707f6e361f3e 16 #ifndef MBED_GPIO_OBJECT_H
Anna Bridge 186:707f6e361f3e 17 #define MBED_GPIO_OBJECT_H
Anna Bridge 186:707f6e361f3e 18
Anna Bridge 186:707f6e361f3e 19 #include "cmsis.h"
Anna Bridge 186:707f6e361f3e 20 #include "PortNames.h"
Anna Bridge 186:707f6e361f3e 21 #include "PeripheralNames.h"
Anna Bridge 186:707f6e361f3e 22 #include "PinNames.h"
Anna Bridge 186:707f6e361f3e 23
Anna Bridge 186:707f6e361f3e 24 #ifdef __cplusplus
Anna Bridge 186:707f6e361f3e 25 extern "C" {
Anna Bridge 186:707f6e361f3e 26 #endif
Anna Bridge 186:707f6e361f3e 27
Anna Bridge 186:707f6e361f3e 28 typedef struct {
Anna Bridge 186:707f6e361f3e 29 PinName pin;
Anna Bridge 186:707f6e361f3e 30 uint32_t mask;
Anna Bridge 186:707f6e361f3e 31 uint32_t pin_number;
Anna Bridge 186:707f6e361f3e 32
Anna Bridge 186:707f6e361f3e 33 __IO uint32_t *reg_dir;
Anna Bridge 186:707f6e361f3e 34 __IO uint32_t *reg_dirclr;
Anna Bridge 186:707f6e361f3e 35 __IO uint32_t *reg_data;
Anna Bridge 186:707f6e361f3e 36 __I uint32_t *reg_in;
Anna Bridge 186:707f6e361f3e 37 } gpio_t;
Anna Bridge 186:707f6e361f3e 38
Anna Bridge 186:707f6e361f3e 39 static inline void gpio_write(gpio_t *obj, int value)
Anna Bridge 186:707f6e361f3e 40 {
Anna Bridge 186:707f6e361f3e 41 if (value) {
Anna Bridge 186:707f6e361f3e 42 *obj->reg_data |= (obj->mask);
Anna Bridge 186:707f6e361f3e 43 } else {
Anna Bridge 186:707f6e361f3e 44 *obj->reg_data &= ~(obj->mask);
Anna Bridge 186:707f6e361f3e 45 }
Anna Bridge 186:707f6e361f3e 46 }
Anna Bridge 186:707f6e361f3e 47
Anna Bridge 186:707f6e361f3e 48 static inline int gpio_read(gpio_t *obj)
Anna Bridge 186:707f6e361f3e 49 {
Anna Bridge 186:707f6e361f3e 50 return ((*obj->reg_in & obj->mask) ? 1 : 0);
Anna Bridge 186:707f6e361f3e 51 }
Anna Bridge 186:707f6e361f3e 52
Anna Bridge 186:707f6e361f3e 53 #ifdef __cplusplus
Anna Bridge 186:707f6e361f3e 54 }
Anna Bridge 186:707f6e361f3e 55 #endif
Anna Bridge 186:707f6e361f3e 56
Anna Bridge 186:707f6e361f3e 57 #endif