test / mbed-src

mbed library sources

Dependents:   bare

Fork of mbed-src by mbed official

targets/hal/TARGET_STM/TARGET_NUCLEO_F401RE/gpio_object.h@87:085cde657901, 2014-02-08 (annotated)

Committer:
mbed_official
Date:
Sat Feb 08 19:45:06 2014 +0000
Revision:
87:085cde657901
Synchronized with git revision 9272cdeb45ec7e6077641536509413da8fd2ebc2



Full URL: https://github.com/mbedmicro/mbed/commit/9272cdeb45ec7e6077641536509413da8fd2ebc2/



Add NUCLEO_F401RE, improvements

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 87:085cde657901 1 /* mbed Microcontroller Library
mbed_official 87:085cde657901 2 *******************************************************************************
mbed_official 87:085cde657901 3 * Copyright (c) 2014, STMicroelectronics
mbed_official 87:085cde657901 4 * All rights reserved.
mbed_official 87:085cde657901 5 *
mbed_official 87:085cde657901 6 * Redistribution and use in source and binary forms, with or without
mbed_official 87:085cde657901 7 * modification, are permitted provided that the following conditions are met:
mbed_official 87:085cde657901 8 *
mbed_official 87:085cde657901 9 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 87:085cde657901 10 * this list of conditions and the following disclaimer.
mbed_official 87:085cde657901 11 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 87:085cde657901 12 * this list of conditions and the following disclaimer in the documentation
mbed_official 87:085cde657901 13 * and/or other materials provided with the distribution.
mbed_official 87:085cde657901 14 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 87:085cde657901 15 * may be used to endorse or promote products derived from this software
mbed_official 87:085cde657901 16 * without specific prior written permission.
mbed_official 87:085cde657901 17 *
mbed_official 87:085cde657901 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 87:085cde657901 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 87:085cde657901 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 87:085cde657901 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 87:085cde657901 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 87:085cde657901 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 87:085cde657901 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 87:085cde657901 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 87:085cde657901 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 87:085cde657901 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 87:085cde657901 28 *******************************************************************************
mbed_official 87:085cde657901 29 */
mbed_official 87:085cde657901 30 #ifndef MBED_GPIO_OBJECT_H
mbed_official 87:085cde657901 31 #define MBED_GPIO_OBJECT_H
mbed_official 87:085cde657901 32
mbed_official 87:085cde657901 33 #include "cmsis.h"
mbed_official 87:085cde657901 34 #include "PortNames.h"
mbed_official 87:085cde657901 35 #include "PeripheralNames.h"
mbed_official 87:085cde657901 36 #include "PinNames.h"
mbed_official 87:085cde657901 37
mbed_official 87:085cde657901 38 #ifdef __cplusplus
mbed_official 87:085cde657901 39 extern "C" {
mbed_official 87:085cde657901 40 #endif
mbed_official 87:085cde657901 41
mbed_official 87:085cde657901 42 typedef struct {
mbed_official 87:085cde657901 43 PinName pin;
mbed_official 87:085cde657901 44 uint32_t mask;
mbed_official 87:085cde657901 45 __IO uint32_t *reg_in;
mbed_official 87:085cde657901 46 __IO uint16_t *reg_set;
mbed_official 87:085cde657901 47 __IO uint16_t *reg_clr;
mbed_official 87:085cde657901 48 } gpio_t;
mbed_official 87:085cde657901 49
mbed_official 87:085cde657901 50 static inline void gpio_write(gpio_t *obj, int value) {
mbed_official 87:085cde657901 51 if (value) {
mbed_official 87:085cde657901 52 *obj->reg_set = obj->mask;
mbed_official 87:085cde657901 53 }
mbed_official 87:085cde657901 54 else {
mbed_official 87:085cde657901 55 *obj->reg_clr = obj->mask;
mbed_official 87:085cde657901 56 }
mbed_official 87:085cde657901 57 }
mbed_official 87:085cde657901 58
mbed_official 87:085cde657901 59 static inline int gpio_read(gpio_t *obj) {
mbed_official 87:085cde657901 60 return ((*obj->reg_in & obj->mask) ? 1 : 0);
mbed_official 87:085cde657901 61 }
mbed_official 87:085cde657901 62
mbed_official 87:085cde657901 63 #ifdef __cplusplus
mbed_official 87:085cde657901 64 }
mbed_official 87:085cde657901 65 #endif
mbed_official 87:085cde657901 66
mbed_official 87:085cde657901 67 #endif