PokittoLib with changes to lcd refresh etc.
Fork of Pokitto by
This is a fork by user @Spinal, and is used in Pokittris for testing. Do not import this to your own program.
Diff: POKITTO_CORE/PokittoItoa.cpp
- Revision:
- 0:e8b8f36b4505
diff -r 000000000000 -r e8b8f36b4505 POKITTO_CORE/PokittoItoa.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/POKITTO_CORE/PokittoItoa.cpp Mon Sep 18 11:47:51 2017 +0000 @@ -0,0 +1,140 @@ +/**************************************************************************/ +/*! + @file PokittoItoa.cpp + @author Jonne Valola + + @section LICENSE + + Software License Agreement (BSD License) + + Copyright (c) 2016, Jonne Valola + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + 3. Neither the name of the copyright holders nor the + names of its contributors may be used to endorse or promote products + derived from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY + EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ +/**************************************************************************/ + +#include "PokittoItoa.h" +#include <string.h> +#include <stdint.h> + + +void pokItoa(uint16_t value, char *str, int base) +{ + /** pokItoa: convert value n to characters + * Needed to emulate AVR LibC non-standard functions, this is a very fast version of itoa + * + * @param value unsigned integer to be converted + * @param *str pointer to string where function stores the result as characters + * @param base (not implemented in this function, base is always 10) + */ + + char *p = str; + uint8_t v; + if (value > 499) + { + if (value > 799) + { + if (value > 999) + { + // Treated as a special case as there + // are only 24 values above 999 + *p++ = '1'; + *p++ = '0'; + uint8_t v = value - 1000; + + if (v > 19) { *p++ = '2'; v -= 20; } + else if (v > 9) { *p++ = '1'; v -= 10; } + else { *p++ = '0'; } + + *p++ = v + '0'; + *p = 0; + return; + } + + if (value > 899) { *p++ = '9'; v = value - 900; } + else { *p++ = '8'; v = value - 800; } + } + else + { + if (value > 699) { *p++ = '7'; v = value - 700; } + else if (value > 599) { *p++ = '6'; v = value - 600; } + else { *p++ = '5'; v = value - 500; } + } + } + else + { + if (value > 299) + { + if (value > 399) { *p++ = '4'; v = value - 400; } + else { *p++ = '3'; v = value - 300; } + } + else + { + if (value > 199) { *p++ = '2'; v = value - 200; } + else if (value > 99) { *p++ = '1'; v = value - 100; } + else { v = value; } + } + } + + if (v > 49) + { + if (v > 69) + { + if (v > 89) { *p++ = '9'; v -= 90; } + else if (v > 79) { *p++ = '8'; v -= 80; } + else { *p++ = '7'; v -= 70; } + } + else + { + if (v > 59) { *p++ = '6'; v -= 60; } + else { *p++ = '5'; v -= 50; } + } + } + else + { + if (v > 19) + { + if (v > 39) { *p++ = '4'; v -= 40; } + else if (v > 29) { *p++ = '3'; v -= 30; } + else { *p++ = '2'; v -= 20; } + } + else + { + if (v > 9) { *p++ = '1'; v -= 10; } + else if (p != str) { *p++ = '0'; } + } + } + + *p++ = v + '0'; + *p = 0; +} + +void pokUtoa(uint16_t value, char *str, int base) { + pokItoa(value,str,base); +} + +void pokLtoa(long value, char *str, int base) { + pokItoa(value,str,base); +} +