Jan Cumps / microbit-dal

microbit-dal

Dependencies:   BLE_API mbed-dev-bin nRF51822

Fork of microbit-dal by Lancaster University

inc/core/MicroBitCompat.h@1:8aa5cdb4ab67, 2016-04-07 (annotated)

Committer:
Jonathan Austin
Date:
Thu Apr 07 01:33:22 2016 +0100
Revision:
1:8aa5cdb4ab67
Synchronized with git rev 55cb9199

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Jonathan Austin 1:8aa5cdb4ab67 1 /*
Jonathan Austin 1:8aa5cdb4ab67 2 The MIT License (MIT)
Jonathan Austin 1:8aa5cdb4ab67 3
Jonathan Austin 1:8aa5cdb4ab67 4 Copyright (c) 2016 British Broadcasting Corporation.
Jonathan Austin 1:8aa5cdb4ab67 5 This software is provided by Lancaster University by arrangement with the BBC.
Jonathan Austin 1:8aa5cdb4ab67 6
Jonathan Austin 1:8aa5cdb4ab67 7 Permission is hereby granted, free of charge, to any person obtaining a
Jonathan Austin 1:8aa5cdb4ab67 8 copy of this software and associated documentation files (the "Software"),
Jonathan Austin 1:8aa5cdb4ab67 9 to deal in the Software without restriction, including without limitation
Jonathan Austin 1:8aa5cdb4ab67 10 the rights to use, copy, modify, merge, publish, distribute, sublicense,
Jonathan Austin 1:8aa5cdb4ab67 11 and/or sell copies of the Software, and to permit persons to whom the
Jonathan Austin 1:8aa5cdb4ab67 12 Software is furnished to do so, subject to the following conditions:
Jonathan Austin 1:8aa5cdb4ab67 13
Jonathan Austin 1:8aa5cdb4ab67 14 The above copyright notice and this permission notice shall be included in
Jonathan Austin 1:8aa5cdb4ab67 15 all copies or substantial portions of the Software.
Jonathan Austin 1:8aa5cdb4ab67 16
Jonathan Austin 1:8aa5cdb4ab67 17 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
Jonathan Austin 1:8aa5cdb4ab67 18 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
Jonathan Austin 1:8aa5cdb4ab67 19 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
Jonathan Austin 1:8aa5cdb4ab67 20 THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
Jonathan Austin 1:8aa5cdb4ab67 21 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
Jonathan Austin 1:8aa5cdb4ab67 22 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
Jonathan Austin 1:8aa5cdb4ab67 23 DEALINGS IN THE SOFTWARE.
Jonathan Austin 1:8aa5cdb4ab67 24 */
Jonathan Austin 1:8aa5cdb4ab67 25
Jonathan Austin 1:8aa5cdb4ab67 26 /**
Jonathan Austin 1:8aa5cdb4ab67 27 * This file contains functions used to maintain compatability and portability.
Jonathan Austin 1:8aa5cdb4ab67 28 * It also contains constants that are used elsewhere in the DAL.
Jonathan Austin 1:8aa5cdb4ab67 29 */
Jonathan Austin 1:8aa5cdb4ab67 30
Jonathan Austin 1:8aa5cdb4ab67 31 #ifndef MICROBIT_COMPAT_H
Jonathan Austin 1:8aa5cdb4ab67 32 #define MICROBIT_COMPAT_H
Jonathan Austin 1:8aa5cdb4ab67 33
Jonathan Austin 1:8aa5cdb4ab67 34 #include "mbed.h"
Jonathan Austin 1:8aa5cdb4ab67 35 #include "MicroBitConfig.h"
Jonathan Austin 1:8aa5cdb4ab67 36
Jonathan Austin 1:8aa5cdb4ab67 37 #define PI 3.14159265359
Jonathan Austin 1:8aa5cdb4ab67 38
Jonathan Austin 1:8aa5cdb4ab67 39 /**
Jonathan Austin 1:8aa5cdb4ab67 40 * Determines the smallest of the two numbers
Jonathan Austin 1:8aa5cdb4ab67 41 *
Jonathan Austin 1:8aa5cdb4ab67 42 * @param a the first number
Jonathan Austin 1:8aa5cdb4ab67 43 *
Jonathan Austin 1:8aa5cdb4ab67 44 * @param b the second number
Jonathan Austin 1:8aa5cdb4ab67 45 *
Jonathan Austin 1:8aa5cdb4ab67 46 * @return The smallest of the two given values.
Jonathan Austin 1:8aa5cdb4ab67 47 */
Jonathan Austin 1:8aa5cdb4ab67 48 inline int min(int a, int b)
Jonathan Austin 1:8aa5cdb4ab67 49 {
Jonathan Austin 1:8aa5cdb4ab67 50 return (a < b ? a : b);
Jonathan Austin 1:8aa5cdb4ab67 51 }
Jonathan Austin 1:8aa5cdb4ab67 52
Jonathan Austin 1:8aa5cdb4ab67 53 /**
Jonathan Austin 1:8aa5cdb4ab67 54 * Determines the largest of the two numbers
Jonathan Austin 1:8aa5cdb4ab67 55 *
Jonathan Austin 1:8aa5cdb4ab67 56 * @param a the first number
Jonathan Austin 1:8aa5cdb4ab67 57 *
Jonathan Austin 1:8aa5cdb4ab67 58 * @param b the second number
Jonathan Austin 1:8aa5cdb4ab67 59 *
Jonathan Austin 1:8aa5cdb4ab67 60 * @return The larger of the two given values.
Jonathan Austin 1:8aa5cdb4ab67 61 */
Jonathan Austin 1:8aa5cdb4ab67 62 inline int max(int a, int b)
Jonathan Austin 1:8aa5cdb4ab67 63 {
Jonathan Austin 1:8aa5cdb4ab67 64 return (a > b ? a : b);
Jonathan Austin 1:8aa5cdb4ab67 65 }
Jonathan Austin 1:8aa5cdb4ab67 66
Jonathan Austin 1:8aa5cdb4ab67 67 /**
Jonathan Austin 1:8aa5cdb4ab67 68 * Sets a given area of memory to zero.
Jonathan Austin 1:8aa5cdb4ab67 69 *
Jonathan Austin 1:8aa5cdb4ab67 70 * @param a the pointer to the beginning of the memory to clear
Jonathan Austin 1:8aa5cdb4ab67 71 *
Jonathan Austin 1:8aa5cdb4ab67 72 * @param b the number of bytes to clear.
Jonathan Austin 1:8aa5cdb4ab67 73 */
Jonathan Austin 1:8aa5cdb4ab67 74 inline void *memclr(void *a, size_t b)
Jonathan Austin 1:8aa5cdb4ab67 75 {
Jonathan Austin 1:8aa5cdb4ab67 76 return memset(a,0,b);
Jonathan Austin 1:8aa5cdb4ab67 77 }
Jonathan Austin 1:8aa5cdb4ab67 78
Jonathan Austin 1:8aa5cdb4ab67 79 /**
Jonathan Austin 1:8aa5cdb4ab67 80 * Determines if the given character is a printable ASCII/UTF8 decimal digit (0..9).
Jonathan Austin 1:8aa5cdb4ab67 81 *
Jonathan Austin 1:8aa5cdb4ab67 82 * @param c the character to check
Jonathan Austin 1:8aa5cdb4ab67 83 *
Jonathan Austin 1:8aa5cdb4ab67 84 * @return true if the character is a digit, false otherwise.
Jonathan Austin 1:8aa5cdb4ab67 85 */
Jonathan Austin 1:8aa5cdb4ab67 86 inline bool isdigit(char c)
Jonathan Austin 1:8aa5cdb4ab67 87 {
Jonathan Austin 1:8aa5cdb4ab67 88 return (c > 47 && c < 58);
Jonathan Austin 1:8aa5cdb4ab67 89 }
Jonathan Austin 1:8aa5cdb4ab67 90
Jonathan Austin 1:8aa5cdb4ab67 91 /**
Jonathan Austin 1:8aa5cdb4ab67 92 * Performs an in buffer reverse of a given char array.
Jonathan Austin 1:8aa5cdb4ab67 93 *
Jonathan Austin 1:8aa5cdb4ab67 94 * @param s the string to reverse.
Jonathan Austin 1:8aa5cdb4ab67 95 *
Jonathan Austin 1:8aa5cdb4ab67 96 * @return MICROBIT_OK, or MICROBIT_INVALID_PARAMETER.
Jonathan Austin 1:8aa5cdb4ab67 97 */
Jonathan Austin 1:8aa5cdb4ab67 98 int string_reverse(char *s);
Jonathan Austin 1:8aa5cdb4ab67 99
Jonathan Austin 1:8aa5cdb4ab67 100 /**
Jonathan Austin 1:8aa5cdb4ab67 101 * Converts a given integer into a string representation.
Jonathan Austin 1:8aa5cdb4ab67 102 *
Jonathan Austin 1:8aa5cdb4ab67 103 * @param n The number to convert.
Jonathan Austin 1:8aa5cdb4ab67 104 *
Jonathan Austin 1:8aa5cdb4ab67 105 * @param s A pointer to the buffer where the resulting string will be stored.
Jonathan Austin 1:8aa5cdb4ab67 106 *
Jonathan Austin 1:8aa5cdb4ab67 107 * @return MICROBIT_OK, or MICROBIT_INVALID_PARAMETER.
Jonathan Austin 1:8aa5cdb4ab67 108 */
Jonathan Austin 1:8aa5cdb4ab67 109 int itoa(int n, char *s);
Jonathan Austin 1:8aa5cdb4ab67 110
Jonathan Austin 1:8aa5cdb4ab67 111 #endif