comparison: components/u8g2/csrc/u8x8_u8toa.c
components/u8g2/csrc/u8x8_u8toa.c
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| -1:000000000000 | 0:88d965579617 |
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| 1 /* | |
| 2 | |
| 3 u8x8_u8toa.c | |
| 4 | |
| 5 Universal 8bit Graphics Library (https://github.com/olikraus/u8g2/) | |
| 6 | |
| 7 Copyright (c) 2016, olikraus@gmail.com | |
| 8 All rights reserved. | |
| 9 | |
| 10 Redistribution and use in source and binary forms, with or without modification, | |
| 11 are permitted provided that the following conditions are met: | |
| 12 | |
| 13 * Redistributions of source code must retain the above copyright notice, this list | |
| 14 of conditions and the following disclaimer. | |
| 15 | |
| 16 * Redistributions in binary form must reproduce the above copyright notice, this | |
| 17 list of conditions and the following disclaimer in the documentation and/or other | |
| 18 materials provided with the distribution. | |
| 19 | |
| 20 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND | |
| 21 CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, | |
| 22 INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
| 23 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
| 24 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR | |
| 25 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 26 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
| 27 NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
| 28 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | |
| 29 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
| 30 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 31 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF | |
| 32 ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 33 | |
| 34 */ | |
| 35 | |
| 36 | |
| 37 #include "u8x8.h" | |
| 38 | |
| 39 static const unsigned char u8x8_u8toa_tab[3] = { 100, 10, 1 } ; | |
| 40 const char *u8x8_u8toap(char * dest, uint8_t v) | |
| 41 { | |
| 42 uint8_t pos; | |
| 43 uint8_t d; | |
| 44 uint8_t c; | |
| 45 for( pos = 0; pos < 3; pos++ ) | |
| 46 { | |
| 47 d = '0'; | |
| 48 c = *(u8x8_u8toa_tab+pos); | |
| 49 while( v >= c ) | |
| 50 { | |
| 51 v -= c; | |
| 52 d++; | |
| 53 } | |
| 54 dest[pos] = d; | |
| 55 } | |
| 56 dest[3] = '\0'; | |
| 57 return dest; | |
| 58 } | |
| 59 | |
| 60 /* v = value, d = number of digits */ | |
| 61 const char *u8x8_u8toa(uint8_t v, uint8_t d) | |
| 62 { | |
| 63 static char buf[4]; | |
| 64 d = 3-d; | |
| 65 return u8x8_u8toap(buf, v) + d; | |
| 66 } | |
| 67 |
