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

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mbed 2

This is the mbed 2 library. If you'd like to learn about Mbed OS please see the mbed-os docs.

TARGET_NUCLEO_F401RE/gpio_object.h@77:869cf507173a, 2014-02-14 (annotated)

Committer:
emilmont
Date:
Fri Feb 14 14:36:43 2014 +0000
Revision:
77:869cf507173a
Release 77 of the mbed library



Main changes:

* Add target NUCLEO_F030R8

* Add target NUCLEO_F401RE

* Add target NUCLEO_F103RB

* Add target NUCLEO_L152RE

Who changed what in which revision?

UserRevisionLine numberNew contents of line
emilmont 77:869cf507173a 1 /* mbed Microcontroller Library
emilmont 77:869cf507173a 2 *******************************************************************************
emilmont 77:869cf507173a 3 * Copyright (c) 2014, STMicroelectronics
emilmont 77:869cf507173a 4 * All rights reserved.
emilmont 77:869cf507173a 5 *
emilmont 77:869cf507173a 6 * Redistribution and use in source and binary forms, with or without
emilmont 77:869cf507173a 7 * modification, are permitted provided that the following conditions are met:
emilmont 77:869cf507173a 8 *
emilmont 77:869cf507173a 9 * 1. Redistributions of source code must retain the above copyright notice,
emilmont 77:869cf507173a 10 * this list of conditions and the following disclaimer.
emilmont 77:869cf507173a 11 * 2. Redistributions in binary form must reproduce the above copyright notice,
emilmont 77:869cf507173a 12 * this list of conditions and the following disclaimer in the documentation
emilmont 77:869cf507173a 13 * and/or other materials provided with the distribution.
emilmont 77:869cf507173a 14 * 3. Neither the name of STMicroelectronics nor the names of its contributors
emilmont 77:869cf507173a 15 * may be used to endorse or promote products derived from this software
emilmont 77:869cf507173a 16 * without specific prior written permission.
emilmont 77:869cf507173a 17 *
emilmont 77:869cf507173a 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
emilmont 77:869cf507173a 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
emilmont 77:869cf507173a 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
emilmont 77:869cf507173a 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
emilmont 77:869cf507173a 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
emilmont 77:869cf507173a 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
emilmont 77:869cf507173a 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
emilmont 77:869cf507173a 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
emilmont 77:869cf507173a 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
emilmont 77:869cf507173a 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
emilmont 77:869cf507173a 28 *******************************************************************************
emilmont 77:869cf507173a 29 */
emilmont 77:869cf507173a 30 #ifndef MBED_GPIO_OBJECT_H
emilmont 77:869cf507173a 31 #define MBED_GPIO_OBJECT_H
emilmont 77:869cf507173a 32
emilmont 77:869cf507173a 33 #include "cmsis.h"
emilmont 77:869cf507173a 34 #include "PortNames.h"
emilmont 77:869cf507173a 35 #include "PeripheralNames.h"
emilmont 77:869cf507173a 36 #include "PinNames.h"
emilmont 77:869cf507173a 37
emilmont 77:869cf507173a 38 #ifdef __cplusplus
emilmont 77:869cf507173a 39 extern "C" {
emilmont 77:869cf507173a 40 #endif
emilmont 77:869cf507173a 41
emilmont 77:869cf507173a 42 typedef struct {
emilmont 77:869cf507173a 43 PinName pin;
emilmont 77:869cf507173a 44 uint32_t mask;
emilmont 77:869cf507173a 45 __IO uint32_t *reg_in;
emilmont 77:869cf507173a 46 __IO uint16_t *reg_set;
emilmont 77:869cf507173a 47 __IO uint16_t *reg_clr;
emilmont 77:869cf507173a 48 } gpio_t;
emilmont 77:869cf507173a 49
emilmont 77:869cf507173a 50 static inline void gpio_write(gpio_t *obj, int value) {
emilmont 77:869cf507173a 51 if (value) {
emilmont 77:869cf507173a 52 *obj->reg_set = obj->mask;
emilmont 77:869cf507173a 53 }
emilmont 77:869cf507173a 54 else {
emilmont 77:869cf507173a 55 *obj->reg_clr = obj->mask;
emilmont 77:869cf507173a 56 }
emilmont 77:869cf507173a 57 }
emilmont 77:869cf507173a 58
emilmont 77:869cf507173a 59 static inline int gpio_read(gpio_t *obj) {
emilmont 77:869cf507173a 60 return ((*obj->reg_in & obj->mask) ? 1 : 0);
emilmont 77:869cf507173a 61 }
emilmont 77:869cf507173a 62
emilmont 77:869cf507173a 63 #ifdef __cplusplus
emilmont 77:869cf507173a 64 }
emilmont 77:869cf507173a 65 #endif
emilmont 77:869cf507173a 66
emilmont 77:869cf507173a 67 #endif