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67 lines
2.0 KiB
67 lines
2.0 KiB
/* |
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u8x8_u8toa.c |
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Universal 8bit Graphics Library (https://github.com/olikraus/u8g2/) |
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Copyright (c) 2016, olikraus@gmail.com |
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All rights reserved. |
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Redistribution and use in source and binary forms, with or without modification, |
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are permitted provided that the following conditions are met: |
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* Redistributions of source code must retain the above copyright notice, this list |
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of conditions and the following disclaimer. |
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* Redistributions in binary form must reproduce the above copyright notice, this |
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list of conditions and the following disclaimer in the documentation and/or other |
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materials provided with the distribution. |
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND |
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CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
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MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR |
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CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
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ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#include "u8x8.h" |
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static const unsigned char u8x8_u8toa_tab[3] = { 100, 10, 1 } ; |
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const char *u8x8_u8toap(char * dest, uint8_t v) |
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{ |
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uint8_t pos; |
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uint8_t d; |
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uint8_t c; |
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for( pos = 0; pos < 3; pos++ ) |
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{ |
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d = '0'; |
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c = *(u8x8_u8toa_tab+pos); |
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while( v >= c ) |
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{ |
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v -= c; |
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d++; |
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} |
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dest[pos] = d; |
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} |
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dest[3] = '\0'; |
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return dest; |
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} |
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/* v = value, d = number of digits */ |
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const char *u8x8_u8toa(uint8_t v, uint8_t d) |
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{ |
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static char buf[4]; |
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d = 3-d; |
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return u8x8_u8toap(buf, v) + d; |
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} |
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