shao ziyang / mbed-src-kl05

mbed library sources

Dependents:   frdm_kl05z_gpio_test

Fork of mbed-src by mbed official

targets/hal/TARGET_STM/TARGET_NUCLEO_F103RB/gpio_object.h@227:7bd0639b8911, 2014-06-11 (annotated)

Committer:
mbed_official
Date:
Wed Jun 11 16:00:09 2014 +0100
Revision:
227:7bd0639b8911
Parent:
174:8bb9f3a33240 
Synchronized with git revision d58d532ebc0e0a96f4fffb8edefc082b71b964af



Full URL: https://github.com/mbedmicro/mbed/commit/d58d532ebc0e0a96f4fffb8edefc082b71b964af/

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 52:a51c77007319 1 /* mbed Microcontroller Library
mbed_official 70:c1fbde68b492 2 *******************************************************************************
mbed_official 70:c1fbde68b492 3 * Copyright (c) 2014, STMicroelectronics
mbed_official 70:c1fbde68b492 4 * All rights reserved.
mbed_official 52:a51c77007319 5 *
mbed_official 70:c1fbde68b492 6 * Redistribution and use in source and binary forms, with or without
mbed_official 70:c1fbde68b492 7 * modification, are permitted provided that the following conditions are met:
mbed_official 52:a51c77007319 8 *
mbed_official 70:c1fbde68b492 9 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 70:c1fbde68b492 10 * this list of conditions and the following disclaimer.
mbed_official 70:c1fbde68b492 11 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 70:c1fbde68b492 12 * this list of conditions and the following disclaimer in the documentation
mbed_official 70:c1fbde68b492 13 * and/or other materials provided with the distribution.
mbed_official 70:c1fbde68b492 14 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 70:c1fbde68b492 15 * may be used to endorse or promote products derived from this software
mbed_official 70:c1fbde68b492 16 * without specific prior written permission.
mbed_official 52:a51c77007319 17 *
mbed_official 70:c1fbde68b492 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 70:c1fbde68b492 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 70:c1fbde68b492 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 70:c1fbde68b492 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 70:c1fbde68b492 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 70:c1fbde68b492 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 70:c1fbde68b492 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 70:c1fbde68b492 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 70:c1fbde68b492 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 70:c1fbde68b492 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 70:c1fbde68b492 28 *******************************************************************************
mbed_official 52:a51c77007319 29 */
mbed_official 52:a51c77007319 30 #ifndef MBED_GPIO_OBJECT_H
mbed_official 52:a51c77007319 31 #define MBED_GPIO_OBJECT_H
mbed_official 52:a51c77007319 32
mbed_official 227:7bd0639b8911 33 #include "mbed_assert.h"
mbed_official 52:a51c77007319 34 #include "cmsis.h"
mbed_official 52:a51c77007319 35 #include "PortNames.h"
mbed_official 52:a51c77007319 36 #include "PeripheralNames.h"
mbed_official 52:a51c77007319 37 #include "PinNames.h"
mbed_official 52:a51c77007319 38
mbed_official 52:a51c77007319 39 #ifdef __cplusplus
mbed_official 52:a51c77007319 40 extern "C" {
mbed_official 52:a51c77007319 41 #endif
mbed_official 52:a51c77007319 42
mbed_official 52:a51c77007319 43 typedef struct {
mbed_official 52:a51c77007319 44 PinName pin;
mbed_official 52:a51c77007319 45 uint32_t mask;
mbed_official 52:a51c77007319 46 __IO uint32_t *reg_in;
mbed_official 52:a51c77007319 47 __IO uint32_t *reg_set;
mbed_official 52:a51c77007319 48 __IO uint32_t *reg_clr;
mbed_official 52:a51c77007319 49 } gpio_t;
mbed_official 52:a51c77007319 50
mbed_official 52:a51c77007319 51 static inline void gpio_write(gpio_t *obj, int value) {
mbed_official 227:7bd0639b8911 52 MBED_ASSERT(obj->pin != (PinName)NC);
mbed_official 52:a51c77007319 53 if (value) {
mbed_official 52:a51c77007319 54 *obj->reg_set = obj->mask;
mbed_official 174:8bb9f3a33240 55 } else {
mbed_official 52:a51c77007319 56 *obj->reg_clr = obj->mask;
mbed_official 52:a51c77007319 57 }
mbed_official 52:a51c77007319 58 }
mbed_official 52:a51c77007319 59
mbed_official 52:a51c77007319 60 static inline int gpio_read(gpio_t *obj) {
mbed_official 227:7bd0639b8911 61 MBED_ASSERT(obj->pin != (PinName)NC);
mbed_official 52:a51c77007319 62 return ((*obj->reg_in & obj->mask) ? 1 : 0);
mbed_official 52:a51c77007319 63 }
mbed_official 52:a51c77007319 64
mbed_official 52:a51c77007319 65 #ifdef __cplusplus
mbed_official 52:a51c77007319 66 }
mbed_official 52:a51c77007319 67 #endif
mbed_official 52:a51c77007319 68
mbed_official 52:a51c77007319 69 #endif