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Fork of mbed-src by mbed official

targets/hal/TARGET_STM/TARGET_STM32F7/gpio_object.h@573:ad23fe03a082, 2015-06-19 (annotated)

Committer:
mbed_official
Date:
Fri Jun 19 09:15:11 2015 +0100
Revision:
573:ad23fe03a082
Child:
582:a89625bcd809
Synchronized with git revision d47834cd4d729e5b36b4c1ad4650f8b8f6a9ab86



Full URL: https://github.com/mbedmicro/mbed/commit/d47834cd4d729e5b36b4c1ad4650f8b8f6a9ab86/



DISCO_F746NG - Add new target

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 573:ad23fe03a082 1 /* mbed Microcontroller Library
mbed_official 573:ad23fe03a082 2 *******************************************************************************
mbed_official 573:ad23fe03a082 3 * Copyright (c) 2015, STMicroelectronics
mbed_official 573:ad23fe03a082 4 * All rights reserved.
mbed_official 573:ad23fe03a082 5 *
mbed_official 573:ad23fe03a082 6 * Redistribution and use in source and binary forms, with or without
mbed_official 573:ad23fe03a082 7 * modification, are permitted provided that the following conditions are met:
mbed_official 573:ad23fe03a082 8 *
mbed_official 573:ad23fe03a082 9 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 573:ad23fe03a082 10 * this list of conditions and the following disclaimer.
mbed_official 573:ad23fe03a082 11 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 573:ad23fe03a082 12 * this list of conditions and the following disclaimer in the documentation
mbed_official 573:ad23fe03a082 13 * and/or other materials provided with the distribution.
mbed_official 573:ad23fe03a082 14 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 573:ad23fe03a082 15 * may be used to endorse or promote products derived from this software
mbed_official 573:ad23fe03a082 16 * without specific prior written permission.
mbed_official 573:ad23fe03a082 17 *
mbed_official 573:ad23fe03a082 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 573:ad23fe03a082 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 573:ad23fe03a082 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 573:ad23fe03a082 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 573:ad23fe03a082 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 573:ad23fe03a082 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 573:ad23fe03a082 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 573:ad23fe03a082 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 573:ad23fe03a082 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 573:ad23fe03a082 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 573:ad23fe03a082 28 *******************************************************************************
mbed_official 573:ad23fe03a082 29 */
mbed_official 573:ad23fe03a082 30 #ifndef MBED_GPIO_OBJECT_H
mbed_official 573:ad23fe03a082 31 #define MBED_GPIO_OBJECT_H
mbed_official 573:ad23fe03a082 32
mbed_official 573:ad23fe03a082 33 #include "mbed_assert.h"
mbed_official 573:ad23fe03a082 34 #include "cmsis.h"
mbed_official 573:ad23fe03a082 35 #include "PortNames.h"
mbed_official 573:ad23fe03a082 36 #include "PeripheralNames.h"
mbed_official 573:ad23fe03a082 37 #include "PinNames.h"
mbed_official 573:ad23fe03a082 38
mbed_official 573:ad23fe03a082 39 #ifdef __cplusplus
mbed_official 573:ad23fe03a082 40 extern "C" {
mbed_official 573:ad23fe03a082 41 #endif
mbed_official 573:ad23fe03a082 42
mbed_official 573:ad23fe03a082 43 typedef struct {
mbed_official 573:ad23fe03a082 44 PinName pin;
mbed_official 573:ad23fe03a082 45 uint32_t mask;
mbed_official 573:ad23fe03a082 46 __IO uint32_t *reg_in;
mbed_official 573:ad23fe03a082 47 __IO uint32_t *reg_set_clr;
mbed_official 573:ad23fe03a082 48 } gpio_t;
mbed_official 573:ad23fe03a082 49
mbed_official 573:ad23fe03a082 50 static inline void gpio_write(gpio_t *obj, int value)
mbed_official 573:ad23fe03a082 51 {
mbed_official 573:ad23fe03a082 52 MBED_ASSERT(obj->pin != (PinName)NC);
mbed_official 573:ad23fe03a082 53 if (value) {
mbed_official 573:ad23fe03a082 54 *obj->reg_set_clr = obj->mask;
mbed_official 573:ad23fe03a082 55 } else {
mbed_official 573:ad23fe03a082 56 *obj->reg_set_clr = obj->mask << 16;
mbed_official 573:ad23fe03a082 57 }
mbed_official 573:ad23fe03a082 58 }
mbed_official 573:ad23fe03a082 59
mbed_official 573:ad23fe03a082 60 static inline int gpio_read(gpio_t *obj)
mbed_official 573:ad23fe03a082 61 {
mbed_official 573:ad23fe03a082 62 MBED_ASSERT(obj->pin != (PinName)NC);
mbed_official 573:ad23fe03a082 63 return ((*obj->reg_in & obj->mask) ? 1 : 0);
mbed_official 573:ad23fe03a082 64 }
mbed_official 573:ad23fe03a082 65
mbed_official 573:ad23fe03a082 66 static inline int gpio_is_connected(const gpio_t *obj) {
mbed_official 573:ad23fe03a082 67 return obj->pin != (PinName)NC;
mbed_official 573:ad23fe03a082 68 }
mbed_official 573:ad23fe03a082 69
mbed_official 573:ad23fe03a082 70 #ifdef __cplusplus
mbed_official 573:ad23fe03a082 71 }
mbed_official 573:ad23fe03a082 72 #endif
mbed_official 573:ad23fe03a082 73
mbed_official 573:ad23fe03a082 74 #endif