73 lines
1.1 KiB
C++
73 lines
1.1 KiB
C++
// (C) 2018-2022 by Folkert van Heusden
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// Released under Apache License v2.0
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#if defined(ESP32)
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#include <Arduino.h>
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#endif
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#include <errno.h>
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#include <stdarg.h>
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#include <stdint.h>
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#include <string>
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#include <string.h>
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#include <sys/time.h>
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void setBit(uint16_t & v, const int bit, const bool vb)
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{
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const uint16_t mask = 1 << bit;
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v &= ~mask;
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if (vb)
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v |= mask;
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}
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std::string format(const char *const fmt, ...)
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{
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char *buffer = nullptr;
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va_list ap;
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va_start(ap, fmt);
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(void)vasprintf(&buffer, fmt, ap);
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va_end(ap);
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std::string result = buffer;
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free(buffer);
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return result;
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}
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unsigned long get_ms()
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{
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#if defined(ESP32)
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return millis();
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#else
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struct timeval tv;
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gettimeofday(&tv, NULL);
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return tv.tv_sec * 1000 + tv.tv_usec / 1000;
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#endif
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}
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int parity(int v)
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{
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return __builtin_parity(v); // FIXME
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}
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void myusleep(uint64_t us)
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{
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struct timespec req;
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req.tv_sec = us / 1000000l;
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req.tv_nsec = (us % 1000000l) * 1000l;
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for(;;) {
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struct timespec rem { 0, 0 };
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int rc = nanosleep(&req, &rem);
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if (rc == 0 || (rc == -1 && errno != EINTR))
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break;
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memcpy(&req, &rem, sizeof(struct timespec));
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}
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}
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