shinichi nakazawa / mbed-src

mbed library sources

Dependents:   Nucleo_blink_led

Fork of mbed-src by mbed official

targets/hal/TARGET_STM/TARGET_NUCLEO_F334R8/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:
237:f3da66175598 
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 237:f3da66175598 1 /* mbed Microcontroller Library
mbed_official 237:f3da66175598 2 *******************************************************************************
mbed_official 237:f3da66175598 3 * Copyright (c) 2014, STMicroelectronics
mbed_official 237:f3da66175598 4 * All rights reserved.
mbed_official 237:f3da66175598 5 *
mbed_official 237:f3da66175598 6 * Redistribution and use in source and binary forms, with or without
mbed_official 237:f3da66175598 7 * modification, are permitted provided that the following conditions are met:
mbed_official 237:f3da66175598 8 *
mbed_official 237:f3da66175598 9 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 237:f3da66175598 10 * this list of conditions and the following disclaimer.
mbed_official 237:f3da66175598 11 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 237:f3da66175598 12 * this list of conditions and the following disclaimer in the documentation
mbed_official 237:f3da66175598 13 * and/or other materials provided with the distribution.
mbed_official 237:f3da66175598 14 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 237:f3da66175598 15 * may be used to endorse or promote products derived from this software
mbed_official 237:f3da66175598 16 * without specific prior written permission.
mbed_official 237:f3da66175598 17 *
mbed_official 237:f3da66175598 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 237:f3da66175598 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 237:f3da66175598 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 237:f3da66175598 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 237:f3da66175598 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 237:f3da66175598 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 237:f3da66175598 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 237:f3da66175598 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 237:f3da66175598 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 237:f3da66175598 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 237:f3da66175598 28 *******************************************************************************
mbed_official 237:f3da66175598 29 */
mbed_official 237:f3da66175598 30 #ifndef MBED_GPIO_OBJECT_H
mbed_official 237:f3da66175598 31 #define MBED_GPIO_OBJECT_H
mbed_official 237:f3da66175598 32
mbed_official 237:f3da66175598 33 #include "mbed_assert.h"
mbed_official 237:f3da66175598 34 #include "cmsis.h"
mbed_official 237:f3da66175598 35 #include "PortNames.h"
mbed_official 237:f3da66175598 36 #include "PeripheralNames.h"
mbed_official 237:f3da66175598 37 #include "PinNames.h"
mbed_official 237:f3da66175598 38
mbed_official 237:f3da66175598 39 #ifdef __cplusplus
mbed_official 237:f3da66175598 40 extern "C" {
mbed_official 237:f3da66175598 41 #endif
mbed_official 237:f3da66175598 42
mbed_official 237:f3da66175598 43 typedef struct {
mbed_official 237:f3da66175598 44 PinName pin;
mbed_official 237:f3da66175598 45 uint32_t mask;
mbed_official 237:f3da66175598 46 __IO uint32_t *reg_in;
mbed_official 237:f3da66175598 47 __IO uint16_t *reg_set;
mbed_official 237:f3da66175598 48 __IO uint16_t *reg_clr;
mbed_official 237:f3da66175598 49 } gpio_t;
mbed_official 237:f3da66175598 50
mbed_official 237:f3da66175598 51 static inline void gpio_write(gpio_t *obj, int value)
mbed_official 237:f3da66175598 52 {
mbed_official 237:f3da66175598 53 MBED_ASSERT(obj->pin != (PinName)NC);
mbed_official 237:f3da66175598 54 if (value) {
mbed_official 237:f3da66175598 55 *obj->reg_set = obj->mask;
mbed_official 237:f3da66175598 56 } else {
mbed_official 237:f3da66175598 57 *obj->reg_clr = obj->mask;
mbed_official 237:f3da66175598 58 }
mbed_official 237:f3da66175598 59 }
mbed_official 237:f3da66175598 60
mbed_official 237:f3da66175598 61 static inline int gpio_read(gpio_t *obj)
mbed_official 237:f3da66175598 62 {
mbed_official 237:f3da66175598 63 MBED_ASSERT(obj->pin != (PinName)NC);
mbed_official 237:f3da66175598 64 return ((*obj->reg_in & obj->mask) ? 1 : 0);
mbed_official 237:f3da66175598 65 }
mbed_official 237:f3da66175598 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 237:f3da66175598 71 #ifdef __cplusplus
mbed_official 237:f3da66175598 72 }
mbed_official 237:f3da66175598 73 #endif
mbed_official 237:f3da66175598 74
mbed_official 237:f3da66175598 75 #endif