mbed library sources

Dependents:   Nucleo_blink_led

Fork of mbed-src by mbed official

Committer:
mbed_official
Date:
Mon Feb 02 16:00:07 2015 +0000
Revision:
461:b90c5392bbcd
Parent:
441:d2c15dda23c1
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 441:d2c15dda23c1 1 /* mbed Microcontroller Library
mbed_official 441:d2c15dda23c1 2 *******************************************************************************
mbed_official 441:d2c15dda23c1 3 * Copyright (c) 2014, STMicroelectronics
mbed_official 441:d2c15dda23c1 4 * All rights reserved.
mbed_official 441:d2c15dda23c1 5 *
mbed_official 441:d2c15dda23c1 6 * Redistribution and use in source and binary forms, with or without
mbed_official 441:d2c15dda23c1 7 * modification, are permitted provided that the following conditions are met:
mbed_official 441:d2c15dda23c1 8 *
mbed_official 441:d2c15dda23c1 9 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 441:d2c15dda23c1 10 * this list of conditions and the following disclaimer.
mbed_official 441:d2c15dda23c1 11 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 441:d2c15dda23c1 12 * this list of conditions and the following disclaimer in the documentation
mbed_official 441:d2c15dda23c1 13 * and/or other materials provided with the distribution.
mbed_official 441:d2c15dda23c1 14 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 441:d2c15dda23c1 15 * may be used to endorse or promote products derived from this software
mbed_official 441:d2c15dda23c1 16 * without specific prior written permission.
mbed_official 441:d2c15dda23c1 17 *
mbed_official 441:d2c15dda23c1 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 441:d2c15dda23c1 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 441:d2c15dda23c1 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 441:d2c15dda23c1 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 441:d2c15dda23c1 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 441:d2c15dda23c1 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 441:d2c15dda23c1 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 441:d2c15dda23c1 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 441:d2c15dda23c1 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 441:d2c15dda23c1 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 441:d2c15dda23c1 28 *******************************************************************************
mbed_official 441:d2c15dda23c1 29 */
mbed_official 441:d2c15dda23c1 30 #ifndef MBED_GPIO_OBJECT_H
mbed_official 441:d2c15dda23c1 31 #define MBED_GPIO_OBJECT_H
mbed_official 441:d2c15dda23c1 32
mbed_official 441:d2c15dda23c1 33 #include "mbed_assert.h"
mbed_official 441:d2c15dda23c1 34 #include "cmsis.h"
mbed_official 441:d2c15dda23c1 35 #include "PortNames.h"
mbed_official 441:d2c15dda23c1 36 #include "PeripheralNames.h"
mbed_official 441:d2c15dda23c1 37 #include "PinNames.h"
mbed_official 441:d2c15dda23c1 38
mbed_official 441:d2c15dda23c1 39 #ifdef __cplusplus
mbed_official 441:d2c15dda23c1 40 extern "C" {
mbed_official 441:d2c15dda23c1 41 #endif
mbed_official 441:d2c15dda23c1 42
mbed_official 441:d2c15dda23c1 43 typedef struct {
mbed_official 441:d2c15dda23c1 44 PinName pin;
mbed_official 441:d2c15dda23c1 45 uint32_t mask;
mbed_official 441:d2c15dda23c1 46 __IO uint32_t *reg_in;
mbed_official 441:d2c15dda23c1 47 __IO uint32_t *reg_set;
mbed_official 441:d2c15dda23c1 48 __IO uint32_t *reg_clr;
mbed_official 441:d2c15dda23c1 49 } gpio_t;
mbed_official 441:d2c15dda23c1 50
mbed_official 441:d2c15dda23c1 51 static inline void gpio_write(gpio_t *obj, int value)
mbed_official 441:d2c15dda23c1 52 {
mbed_official 441:d2c15dda23c1 53 MBED_ASSERT(obj->pin != (PinName)NC);
mbed_official 441:d2c15dda23c1 54 if (value) {
mbed_official 441:d2c15dda23c1 55 *obj->reg_set = obj->mask;
mbed_official 441:d2c15dda23c1 56 } else {
mbed_official 441:d2c15dda23c1 57 *obj->reg_clr = obj->mask;
mbed_official 441:d2c15dda23c1 58 }
mbed_official 441:d2c15dda23c1 59 }
mbed_official 441:d2c15dda23c1 60
mbed_official 441:d2c15dda23c1 61 static inline int gpio_read(gpio_t *obj)
mbed_official 441:d2c15dda23c1 62 {
mbed_official 441:d2c15dda23c1 63 MBED_ASSERT(obj->pin != (PinName)NC);
mbed_official 441:d2c15dda23c1 64 return ((*obj->reg_in & obj->mask) ? 1 : 0);
mbed_official 441:d2c15dda23c1 65 }
mbed_official 441:d2c15dda23c1 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 441:d2c15dda23c1 71 #ifdef __cplusplus
mbed_official 441:d2c15dda23c1 72 }
mbed_official 441:d2c15dda23c1 73 #endif
mbed_official 441:d2c15dda23c1 74
mbed_official 441:d2c15dda23c1 75 #endif