spinal cord / PokittoLib_

PokittoLib is the library needed for programming the Pokitto DIY game console (www.pokitto.com)

POKITTO_CORE/PokittoItoa.cpp@64:6e6c6c2b664e, 2018-11-18 (annotated)

Committer:
spinal
Date:
Sun Nov 18 15:47:54 2018 +0000
Revision:
64:6e6c6c2b664e
Parent:
31:f4b9b85c7b62 
added fix for directrectangle()

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Pokitto 31:f4b9b85c7b62 1 /**************************************************************************/
Pokitto 31:f4b9b85c7b62 2 /*!
Pokitto 31:f4b9b85c7b62 3 @file PokittoItoa.cpp
Pokitto 31:f4b9b85c7b62 4 @author Jonne Valola
Pokitto 31:f4b9b85c7b62 5
Pokitto 31:f4b9b85c7b62 6 @section LICENSE
Pokitto 31:f4b9b85c7b62 7
Pokitto 31:f4b9b85c7b62 8 Software License Agreement (BSD License)
Pokitto 31:f4b9b85c7b62 9
Pokitto 31:f4b9b85c7b62 10 Copyright (c) 2016, Jonne Valola
Pokitto 31:f4b9b85c7b62 11 All rights reserved.
Pokitto 31:f4b9b85c7b62 12
Pokitto 31:f4b9b85c7b62 13 Redistribution and use in source and binary forms, with or without
Pokitto 31:f4b9b85c7b62 14 modification, are permitted provided that the following conditions are met:
Pokitto 31:f4b9b85c7b62 15 1. Redistributions of source code must retain the above copyright
Pokitto 31:f4b9b85c7b62 16 notice, this list of conditions and the following disclaimer.
Pokitto 31:f4b9b85c7b62 17 2. Redistributions in binary form must reproduce the above copyright
Pokitto 31:f4b9b85c7b62 18 notice, this list of conditions and the following disclaimer in the
Pokitto 31:f4b9b85c7b62 19 documentation and/or other materials provided with the distribution.
Pokitto 31:f4b9b85c7b62 20 3. Neither the name of the copyright holders nor the
Pokitto 31:f4b9b85c7b62 21 names of its contributors may be used to endorse or promote products
Pokitto 31:f4b9b85c7b62 22 derived from this software without specific prior written permission.
Pokitto 31:f4b9b85c7b62 23
Pokitto 31:f4b9b85c7b62 24 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
Pokitto 31:f4b9b85c7b62 25 EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
Pokitto 31:f4b9b85c7b62 26 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
Pokitto 31:f4b9b85c7b62 27 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
Pokitto 31:f4b9b85c7b62 28 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
Pokitto 31:f4b9b85c7b62 29 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
Pokitto 31:f4b9b85c7b62 30 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
Pokitto 31:f4b9b85c7b62 31 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
Pokitto 31:f4b9b85c7b62 32 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
Pokitto 31:f4b9b85c7b62 33 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Pokitto 31:f4b9b85c7b62 34 */
Pokitto 31:f4b9b85c7b62 35 /**************************************************************************/
Pokitto 31:f4b9b85c7b62 36
Pokitto 31:f4b9b85c7b62 37 #include "PokittoItoa.h"
Pokitto 31:f4b9b85c7b62 38 #include <string.h>
Pokitto 31:f4b9b85c7b62 39 #include <stdint.h>
Pokitto 31:f4b9b85c7b62 40
Pokitto 31:f4b9b85c7b62 41
Pokitto 31:f4b9b85c7b62 42 void pokItoa(uint16_t value, char *str, int base)
Pokitto 31:f4b9b85c7b62 43 {
Pokitto 31:f4b9b85c7b62 44 /** pokItoa: convert value n to characters
Pokitto 31:f4b9b85c7b62 45 * Needed to emulate AVR LibC non-standard functions, this is a very fast version of itoa
Pokitto 31:f4b9b85c7b62 46 *
Pokitto 31:f4b9b85c7b62 47 * @param value unsigned integer to be converted
Pokitto 31:f4b9b85c7b62 48 * @param *str pointer to string where function stores the result as characters
Pokitto 31:f4b9b85c7b62 49 * @param base (not implemented in this function, base is always 10)
Pokitto 31:f4b9b85c7b62 50 */
Pokitto 31:f4b9b85c7b62 51
Pokitto 31:f4b9b85c7b62 52 char *p = str;
Pokitto 31:f4b9b85c7b62 53 uint8_t v;
Pokitto 31:f4b9b85c7b62 54 if (value > 499)
Pokitto 31:f4b9b85c7b62 55 {
Pokitto 31:f4b9b85c7b62 56 if (value > 799)
Pokitto 31:f4b9b85c7b62 57 {
Pokitto 31:f4b9b85c7b62 58 if (value > 999)
Pokitto 31:f4b9b85c7b62 59 {
Pokitto 31:f4b9b85c7b62 60 // Treated as a special case as there
Pokitto 31:f4b9b85c7b62 61 // are only 24 values above 999
Pokitto 31:f4b9b85c7b62 62 *p++ = '1';
Pokitto 31:f4b9b85c7b62 63 *p++ = '0';
Pokitto 31:f4b9b85c7b62 64 uint8_t v = value - 1000;
Pokitto 31:f4b9b85c7b62 65
Pokitto 31:f4b9b85c7b62 66 if (v > 19) { *p++ = '2'; v -= 20; }
Pokitto 31:f4b9b85c7b62 67 else if (v > 9) { *p++ = '1'; v -= 10; }
Pokitto 31:f4b9b85c7b62 68 else { *p++ = '0'; }
Pokitto 31:f4b9b85c7b62 69
Pokitto 31:f4b9b85c7b62 70 *p++ = v + '0';
Pokitto 31:f4b9b85c7b62 71 *p = 0;
Pokitto 31:f4b9b85c7b62 72 return;
Pokitto 31:f4b9b85c7b62 73 }
Pokitto 31:f4b9b85c7b62 74
Pokitto 31:f4b9b85c7b62 75 if (value > 899) { *p++ = '9'; v = value - 900; }
Pokitto 31:f4b9b85c7b62 76 else { *p++ = '8'; v = value - 800; }
Pokitto 31:f4b9b85c7b62 77 }
Pokitto 31:f4b9b85c7b62 78 else
Pokitto 31:f4b9b85c7b62 79 {
Pokitto 31:f4b9b85c7b62 80 if (value > 699) { *p++ = '7'; v = value - 700; }
Pokitto 31:f4b9b85c7b62 81 else if (value > 599) { *p++ = '6'; v = value - 600; }
Pokitto 31:f4b9b85c7b62 82 else { *p++ = '5'; v = value - 500; }
Pokitto 31:f4b9b85c7b62 83 }
Pokitto 31:f4b9b85c7b62 84 }
Pokitto 31:f4b9b85c7b62 85 else
Pokitto 31:f4b9b85c7b62 86 {
Pokitto 31:f4b9b85c7b62 87 if (value > 299)
Pokitto 31:f4b9b85c7b62 88 {
Pokitto 31:f4b9b85c7b62 89 if (value > 399) { *p++ = '4'; v = value - 400; }
Pokitto 31:f4b9b85c7b62 90 else { *p++ = '3'; v = value - 300; }
Pokitto 31:f4b9b85c7b62 91 }
Pokitto 31:f4b9b85c7b62 92 else
Pokitto 31:f4b9b85c7b62 93 {
Pokitto 31:f4b9b85c7b62 94 if (value > 199) { *p++ = '2'; v = value - 200; }
Pokitto 31:f4b9b85c7b62 95 else if (value > 99) { *p++ = '1'; v = value - 100; }
Pokitto 31:f4b9b85c7b62 96 else { v = value; }
Pokitto 31:f4b9b85c7b62 97 }
Pokitto 31:f4b9b85c7b62 98 }
Pokitto 31:f4b9b85c7b62 99
Pokitto 31:f4b9b85c7b62 100 if (v > 49)
Pokitto 31:f4b9b85c7b62 101 {
Pokitto 31:f4b9b85c7b62 102 if (v > 69)
Pokitto 31:f4b9b85c7b62 103 {
Pokitto 31:f4b9b85c7b62 104 if (v > 89) { *p++ = '9'; v -= 90; }
Pokitto 31:f4b9b85c7b62 105 else if (v > 79) { *p++ = '8'; v -= 80; }
Pokitto 31:f4b9b85c7b62 106 else { *p++ = '7'; v -= 70; }
Pokitto 31:f4b9b85c7b62 107 }
Pokitto 31:f4b9b85c7b62 108 else
Pokitto 31:f4b9b85c7b62 109 {
Pokitto 31:f4b9b85c7b62 110 if (v > 59) { *p++ = '6'; v -= 60; }
Pokitto 31:f4b9b85c7b62 111 else { *p++ = '5'; v -= 50; }
Pokitto 31:f4b9b85c7b62 112 }
Pokitto 31:f4b9b85c7b62 113 }
Pokitto 31:f4b9b85c7b62 114 else
Pokitto 31:f4b9b85c7b62 115 {
Pokitto 31:f4b9b85c7b62 116 if (v > 19)
Pokitto 31:f4b9b85c7b62 117 {
Pokitto 31:f4b9b85c7b62 118 if (v > 39) { *p++ = '4'; v -= 40; }
Pokitto 31:f4b9b85c7b62 119 else if (v > 29) { *p++ = '3'; v -= 30; }
Pokitto 31:f4b9b85c7b62 120 else { *p++ = '2'; v -= 20; }
Pokitto 31:f4b9b85c7b62 121 }
Pokitto 31:f4b9b85c7b62 122 else
Pokitto 31:f4b9b85c7b62 123 {
Pokitto 31:f4b9b85c7b62 124 if (v > 9) { *p++ = '1'; v -= 10; }
Pokitto 31:f4b9b85c7b62 125 else if (p != str) { *p++ = '0'; }
Pokitto 31:f4b9b85c7b62 126 }
Pokitto 31:f4b9b85c7b62 127 }
Pokitto 31:f4b9b85c7b62 128
Pokitto 31:f4b9b85c7b62 129 *p++ = v + '0';
Pokitto 31:f4b9b85c7b62 130 *p = 0;
Pokitto 31:f4b9b85c7b62 131 }
Pokitto 31:f4b9b85c7b62 132
Pokitto 31:f4b9b85c7b62 133 void pokUtoa(uint16_t value, char *str, int base) {
Pokitto 31:f4b9b85c7b62 134 pokItoa(value,str,base);
Pokitto 31:f4b9b85c7b62 135 }
Pokitto 31:f4b9b85c7b62 136
Pokitto 31:f4b9b85c7b62 137 void pokLtoa(long value, char *str, int base) {
Pokitto 31:f4b9b85c7b62 138 pokItoa(value,str,base);
Pokitto 31:f4b9b85c7b62 139 }
Pokitto 31:f4b9b85c7b62 140
Pokitto 31:f4b9b85c7b62 141