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Dependents:   SPI_slave_frdm

Fork of mbed-src by mbed official

targets/hal/TARGET_STM/TARGET_STM32F3XX/gpio_object.h@155:8435094ec241, 2014-04-08 (annotated)

Committer:
mbed_official
Date:
Tue Apr 08 09:15:06 2014 +0100
Revision:
155:8435094ec241
Child:
227:7bd0639b8911
Synchronized with git revision d616c415fc62f490b915ff0ff39c8d24b2917c0f



Full URL: https://github.com/mbedmicro/mbed/commit/d616c415fc62f490b915ff0ff39c8d24b2917c0f/



[STM32F3XX] Initial port

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 155:8435094ec241 1 /* mbed Microcontroller Library
mbed_official 155:8435094ec241 2 *******************************************************************************
mbed_official 155:8435094ec241 3 * Copyright (c) 2014, STMicroelectronics
mbed_official 155:8435094ec241 4 * All rights reserved.
mbed_official 155:8435094ec241 5 *
mbed_official 155:8435094ec241 6 * Redistribution and use in source and binary forms, with or without
mbed_official 155:8435094ec241 7 * modification, are permitted provided that the following conditions are met:
mbed_official 155:8435094ec241 8 *
mbed_official 155:8435094ec241 9 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 155:8435094ec241 10 * this list of conditions and the following disclaimer.
mbed_official 155:8435094ec241 11 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 155:8435094ec241 12 * this list of conditions and the following disclaimer in the documentation
mbed_official 155:8435094ec241 13 * and/or other materials provided with the distribution.
mbed_official 155:8435094ec241 14 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 155:8435094ec241 15 * may be used to endorse or promote products derived from this software
mbed_official 155:8435094ec241 16 * without specific prior written permission.
mbed_official 155:8435094ec241 17 *
mbed_official 155:8435094ec241 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 155:8435094ec241 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 155:8435094ec241 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 155:8435094ec241 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 155:8435094ec241 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 155:8435094ec241 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 155:8435094ec241 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 155:8435094ec241 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 155:8435094ec241 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 155:8435094ec241 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 155:8435094ec241 28 *******************************************************************************
mbed_official 155:8435094ec241 29 */
mbed_official 155:8435094ec241 30 #ifndef MBED_GPIO_OBJECT_H
mbed_official 155:8435094ec241 31 #define MBED_GPIO_OBJECT_H
mbed_official 155:8435094ec241 32
mbed_official 155:8435094ec241 33 #include "cmsis.h"
mbed_official 155:8435094ec241 34 #include "PortNames.h"
mbed_official 155:8435094ec241 35 #include "PeripheralNames.h"
mbed_official 155:8435094ec241 36 #include "PinNames.h"
mbed_official 155:8435094ec241 37
mbed_official 155:8435094ec241 38 #ifdef __cplusplus
mbed_official 155:8435094ec241 39 extern "C" {
mbed_official 155:8435094ec241 40 #endif
mbed_official 155:8435094ec241 41
mbed_official 155:8435094ec241 42 typedef struct {
mbed_official 155:8435094ec241 43 PinName pin;
mbed_official 155:8435094ec241 44 uint32_t mask;
mbed_official 155:8435094ec241 45 __IO uint16_t *reg_in;
mbed_official 155:8435094ec241 46 __IO uint32_t *reg_set;
mbed_official 155:8435094ec241 47 __IO uint16_t *reg_clr;
mbed_official 155:8435094ec241 48 } gpio_t;
mbed_official 155:8435094ec241 49
mbed_official 155:8435094ec241 50 static inline void gpio_write(gpio_t *obj, int value) {
mbed_official 155:8435094ec241 51 if (value) {
mbed_official 155:8435094ec241 52 *obj->reg_set = obj->mask;
mbed_official 155:8435094ec241 53 } else {
mbed_official 155:8435094ec241 54 *obj->reg_clr = obj->mask;
mbed_official 155:8435094ec241 55 }
mbed_official 155:8435094ec241 56 }
mbed_official 155:8435094ec241 57
mbed_official 155:8435094ec241 58 static inline int gpio_read(gpio_t *obj) {
mbed_official 155:8435094ec241 59 return ((*obj->reg_in & obj->mask) ? 1 : 0);
mbed_official 155:8435094ec241 60 }
mbed_official 155:8435094ec241 61
mbed_official 155:8435094ec241 62 #ifdef __cplusplus
mbed_official 155:8435094ec241 63 }
mbed_official 155:8435094ec241 64 #endif
mbed_official 155:8435094ec241 65
mbed_official 155:8435094ec241 66 #endif