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The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

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mbed 2

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TARGET_MAX32625NEXPAQ/TOOLCHAIN_ARM_STD/gpio_object.h@172:65be27845400, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 20:53:29 2019 +0000
Revision:
172:65be27845400
Parent:
171:3a7713b1edbc 
mbed library release version 165

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Anna Bridge 169:a7c7b631e539 1 /*******************************************************************************
Anna Bridge 169:a7c7b631e539 2 * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved.
Anna Bridge 169:a7c7b631e539 3 *
Anna Bridge 169:a7c7b631e539 4 * Permission is hereby granted, free of charge, to any person obtaining a
Anna Bridge 169:a7c7b631e539 5 * copy of this software and associated documentation files (the "Software"),
Anna Bridge 169:a7c7b631e539 6 * to deal in the Software without restriction, including without limitation
Anna Bridge 169:a7c7b631e539 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
Anna Bridge 169:a7c7b631e539 8 * and/or sell copies of the Software, and to permit persons to whom the
Anna Bridge 169:a7c7b631e539 9 * Software is furnished to do so, subject to the following conditions:
Anna Bridge 169:a7c7b631e539 10 *
Anna Bridge 169:a7c7b631e539 11 * The above copyright notice and this permission notice shall be included
Anna Bridge 169:a7c7b631e539 12 * in all copies or substantial portions of the Software.
Anna Bridge 169:a7c7b631e539 13 *
Anna Bridge 169:a7c7b631e539 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
Anna Bridge 169:a7c7b631e539 15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
Anna Bridge 169:a7c7b631e539 16 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
Anna Bridge 169:a7c7b631e539 17 * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
Anna Bridge 169:a7c7b631e539 18 * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
Anna Bridge 169:a7c7b631e539 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
Anna Bridge 169:a7c7b631e539 20 * OTHER DEALINGS IN THE SOFTWARE.
Anna Bridge 169:a7c7b631e539 21 *
Anna Bridge 169:a7c7b631e539 22 * Except as contained in this notice, the name of Maxim Integrated
Anna Bridge 169:a7c7b631e539 23 * Products, Inc. shall not be used except as stated in the Maxim Integrated
Anna Bridge 169:a7c7b631e539 24 * Products, Inc. Branding Policy.
Anna Bridge 169:a7c7b631e539 25 *
Anna Bridge 169:a7c7b631e539 26 * The mere transfer of this software does not imply any licenses
Anna Bridge 169:a7c7b631e539 27 * of trade secrets, proprietary technology, copyrights, patents,
Anna Bridge 169:a7c7b631e539 28 * trademarks, maskwork rights, or any other form of intellectual
Anna Bridge 169:a7c7b631e539 29 * property whatsoever. Maxim Integrated Products, Inc. retains all
Anna Bridge 169:a7c7b631e539 30 * ownership rights.
Anna Bridge 169:a7c7b631e539 31 *******************************************************************************
Anna Bridge 169:a7c7b631e539 32 */
Anna Bridge 169:a7c7b631e539 33
Anna Bridge 169:a7c7b631e539 34 #ifndef MBED_GPIO_OBJECT_H
Anna Bridge 169:a7c7b631e539 35 #define MBED_GPIO_OBJECT_H
Anna Bridge 169:a7c7b631e539 36
Anna Bridge 169:a7c7b631e539 37 #include "mbed_assert.h"
Anna Bridge 169:a7c7b631e539 38
Anna Bridge 169:a7c7b631e539 39 #ifdef __cplusplus
Anna Bridge 169:a7c7b631e539 40 extern "C" {
Anna Bridge 169:a7c7b631e539 41 #endif
Anna Bridge 169:a7c7b631e539 42
Anna Bridge 169:a7c7b631e539 43 typedef struct {
Anna Bridge 169:a7c7b631e539 44 PinName name;
Anna Bridge 169:a7c7b631e539 45 __IO uint32_t *reg_out;
Anna Bridge 169:a7c7b631e539 46 __I uint32_t *reg_in;
Anna Bridge 169:a7c7b631e539 47 PinMode mode;
Anna Bridge 169:a7c7b631e539 48 } gpio_t;
Anna Bridge 169:a7c7b631e539 49
Anna Bridge 169:a7c7b631e539 50 static inline void gpio_write(gpio_t *obj, int value)
Anna Bridge 169:a7c7b631e539 51 {
Anna Bridge 169:a7c7b631e539 52 MBED_ASSERT(obj->name != (PinName)NC);
Anna Bridge 169:a7c7b631e539 53 *obj->reg_out = !!value;
Anna Bridge 169:a7c7b631e539 54 }
Anna Bridge 169:a7c7b631e539 55
Anna Bridge 169:a7c7b631e539 56 static inline int gpio_read(gpio_t *obj)
Anna Bridge 169:a7c7b631e539 57 {
Anna Bridge 169:a7c7b631e539 58 MBED_ASSERT(obj->name != (PinName)NC);
Anna Bridge 169:a7c7b631e539 59 return *obj->reg_in;
Anna Bridge 169:a7c7b631e539 60 }
Anna Bridge 169:a7c7b631e539 61
Anna Bridge 169:a7c7b631e539 62 void pin_dir_mode(PinName name, PinDirection direction, PinMode mode);
Anna Bridge 169:a7c7b631e539 63
Anna Bridge 169:a7c7b631e539 64 static inline int gpio_is_connected(const gpio_t *obj)
Anna Bridge 169:a7c7b631e539 65 {
Anna Bridge 169:a7c7b631e539 66 return obj->name != (PinName)NC;
Anna Bridge 169:a7c7b631e539 67 }
Anna Bridge 169:a7c7b631e539 68
Anna Bridge 169:a7c7b631e539 69 #ifdef __cplusplus
Anna Bridge 169:a7c7b631e539 70 }
Anna Bridge 169:a7c7b631e539 71 #endif
Anna Bridge 169:a7c7b631e539 72
Anna Bridge 169:a7c7b631e539 73 #endif