shinichi nakazawa / mbed-src

mbed library sources

Dependents:   Nucleo_blink_led

Fork of mbed-src by mbed official

targets/hal/TARGET_STM/TARGET_NUCLEO_L053R8/gpio_object.h@461:b90c5392bbcd, 2015-02-02 (annotated)

Committer:
mbed_official
Date:
Mon Feb 02 16:00:07 2015 +0000
Revision:
461:b90c5392bbcd
Parent:
402:09075a3b15e3 
Synchronized with git revision 36d7caa0ef7b2237c394e308e3203482ff757ebf



Full URL: https://github.com/mbedmicro/mbed/commit/36d7caa0ef7b2237c394e308e3203482ff757ebf/



Targets - gpio_is_connected() for STM targets where it was not implemented

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 181:a4cbdfbbd2f4 1 /* mbed Microcontroller Library
mbed_official 181:a4cbdfbbd2f4 2 *******************************************************************************
mbed_official 181:a4cbdfbbd2f4 3 * Copyright (c) 2014, STMicroelectronics
mbed_official 181:a4cbdfbbd2f4 4 * All rights reserved.
mbed_official 181:a4cbdfbbd2f4 5 *
mbed_official 181:a4cbdfbbd2f4 6 * Redistribution and use in source and binary forms, with or without
mbed_official 181:a4cbdfbbd2f4 7 * modification, are permitted provided that the following conditions are met:
mbed_official 181:a4cbdfbbd2f4 8 *
mbed_official 181:a4cbdfbbd2f4 9 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 181:a4cbdfbbd2f4 10 * this list of conditions and the following disclaimer.
mbed_official 181:a4cbdfbbd2f4 11 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 181:a4cbdfbbd2f4 12 * this list of conditions and the following disclaimer in the documentation
mbed_official 181:a4cbdfbbd2f4 13 * and/or other materials provided with the distribution.
mbed_official 181:a4cbdfbbd2f4 14 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 181:a4cbdfbbd2f4 15 * may be used to endorse or promote products derived from this software
mbed_official 181:a4cbdfbbd2f4 16 * without specific prior written permission.
mbed_official 181:a4cbdfbbd2f4 17 *
mbed_official 181:a4cbdfbbd2f4 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 181:a4cbdfbbd2f4 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 181:a4cbdfbbd2f4 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 181:a4cbdfbbd2f4 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 181:a4cbdfbbd2f4 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 181:a4cbdfbbd2f4 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 181:a4cbdfbbd2f4 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 181:a4cbdfbbd2f4 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 181:a4cbdfbbd2f4 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 181:a4cbdfbbd2f4 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 181:a4cbdfbbd2f4 28 *******************************************************************************
mbed_official 181:a4cbdfbbd2f4 29 */
mbed_official 181:a4cbdfbbd2f4 30 #ifndef MBED_GPIO_OBJECT_H
mbed_official 181:a4cbdfbbd2f4 31 #define MBED_GPIO_OBJECT_H
mbed_official 181:a4cbdfbbd2f4 32
mbed_official 227:7bd0639b8911 33 #include "mbed_assert.h"
mbed_official 181:a4cbdfbbd2f4 34 #include "cmsis.h"
mbed_official 181:a4cbdfbbd2f4 35 #include "PortNames.h"
mbed_official 181:a4cbdfbbd2f4 36 #include "PeripheralNames.h"
mbed_official 181:a4cbdfbbd2f4 37 #include "PinNames.h"
mbed_official 181:a4cbdfbbd2f4 38
mbed_official 181:a4cbdfbbd2f4 39 #ifdef __cplusplus
mbed_official 181:a4cbdfbbd2f4 40 extern "C" {
mbed_official 181:a4cbdfbbd2f4 41 #endif
mbed_official 181:a4cbdfbbd2f4 42
mbed_official 181:a4cbdfbbd2f4 43 typedef struct {
mbed_official 181:a4cbdfbbd2f4 44 PinName pin;
mbed_official 181:a4cbdfbbd2f4 45 uint32_t mask;
mbed_official 386:ea0442aaf784 46 __IO uint32_t *reg_in;
mbed_official 181:a4cbdfbbd2f4 47 __IO uint32_t *reg_set;
mbed_official 386:ea0442aaf784 48 __IO uint32_t *reg_clr;
mbed_official 181:a4cbdfbbd2f4 49 } gpio_t;
mbed_official 181:a4cbdfbbd2f4 50
mbed_official 402:09075a3b15e3 51 static inline void gpio_write(gpio_t *obj, int value)
mbed_official 402:09075a3b15e3 52 {
mbed_official 227:7bd0639b8911 53 MBED_ASSERT(obj->pin != (PinName)NC);
mbed_official 181:a4cbdfbbd2f4 54 if (value) {
mbed_official 181:a4cbdfbbd2f4 55 *obj->reg_set = obj->mask;
mbed_official 181:a4cbdfbbd2f4 56 } else {
mbed_official 181:a4cbdfbbd2f4 57 *obj->reg_clr = obj->mask;
mbed_official 181:a4cbdfbbd2f4 58 }
mbed_official 181:a4cbdfbbd2f4 59 }
mbed_official 181:a4cbdfbbd2f4 60
mbed_official 402:09075a3b15e3 61 static inline int gpio_read(gpio_t *obj)
mbed_official 402:09075a3b15e3 62 {
mbed_official 227:7bd0639b8911 63 MBED_ASSERT(obj->pin != (PinName)NC);
mbed_official 181:a4cbdfbbd2f4 64 return ((*obj->reg_in & obj->mask) ? 1 : 0);
mbed_official 181:a4cbdfbbd2f4 65 }
mbed_official 181:a4cbdfbbd2f4 66
mbed_official 461:b90c5392bbcd 67 static inline int gpio_is_connected(const gpio_t *obj) {
mbed_official 461:b90c5392bbcd 68 return obj->pin != (PinName)NC;
mbed_official 461:b90c5392bbcd 69 }
mbed_official 461:b90c5392bbcd 70
mbed_official 181:a4cbdfbbd2f4 71 #ifdef __cplusplus
mbed_official 181:a4cbdfbbd2f4 72 }
mbed_official 181:a4cbdfbbd2f4 73 #endif
mbed_official 181:a4cbdfbbd2f4 74
mbed_official 181:a4cbdfbbd2f4 75 #endif