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70 lines
1.5 KiB
70 lines
1.5 KiB
/*
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LED MODULE
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Copyright (C) 2020 by Maxim Prokhorov <prokhorov dot max at outlook dot com>
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*/
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#pragma once
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#include "led.h"
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#include <cstring>
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// Scans input string with format
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// '<on1>,<off1>,<repeats1> <on2>,<off2>,<repeats2> ...'
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// Directly changing `led.pattern.delays` contents
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void _ledLoadPattern(led_t& led, const char* input) {
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char buffer[16];
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const char* d1;
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const char* d2;
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const char* d3;
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const char* p = input;
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const char* marker;
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auto& pattern = led.pattern;
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pattern.delays.clear();
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loop:
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/*!stags:re2c format = 'const char *@@;'; */
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/*!re2c
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re2c:define:YYCTYPE = char;
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re2c:define:YYCURSOR = p;
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re2c:define:YYMARKER = marker;
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re2c:yyfill:enable = 0;
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re2c:yych:conversion = 1;
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re2c:indent:top = 1;
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end = "\x00";
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wsp = [ \t]+;
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num = [0-9]+;
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* { return; }
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wsp { goto loop; }
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@d1 num [,] @d2 num [,] @d3 num {
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unsigned long on;
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unsigned long off;
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unsigned char repeats;
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memcpy(buffer, d1, int(d2 - d1));
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buffer[int(d2 - d1 - 1)] = '\0';
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on = strtoul(buffer, nullptr, 10);
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memcpy(buffer, d2, int(d3 - d2));
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buffer[int(d3 - d2 - 1)] = '\0';
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off = strtoul(buffer, nullptr, 10);
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memcpy(buffer, d3, int(p - d3));
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buffer[int(p - d3)] = '\0';
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repeats = strtoul(buffer, nullptr, 10);
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pattern.delays.emplace_back(on, off, repeats);
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goto loop;
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}
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*/
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}
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