6e17f4b747
devices. That is now replaced by a return 012345 so that the (emulated) devices don't get confused (e.g. the tty would miss characters).
130 lines
2.1 KiB
C++
130 lines
2.1 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 <vector>
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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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// TODO replace gettimeofday by clock_gettime
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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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uint64_t get_us()
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{
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#if defined(ESP32)
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return micros();
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#else
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struct timeval tv;
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// TODO replace gettimeofday by clock_gettime
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gettimeofday(&tv, NULL);
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return tv.tv_sec * 1000000l + tv.tv_usec;
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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); // TODO
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}
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void myusleep(uint64_t us)
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{
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#if defined(ESP32)
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delayMicroseconds(us);
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#else
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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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#endif
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}
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std::vector<std::string> split(std::string in, std::string splitter)
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{
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std::vector<std::string> out;
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size_t splitter_size = splitter.size();
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for(;;)
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{
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size_t pos = in.find(splitter);
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if (pos == std::string::npos)
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break;
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std::string before = in.substr(0, pos);
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if (!before.empty())
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out.push_back(before);
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size_t bytes_left = in.size() - (pos + splitter_size);
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if (bytes_left == 0)
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return out;
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in = in.substr(pos + splitter_size);
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}
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if (in.size() > 0)
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out.push_back(in);
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return out;
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}
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void set_thread_name(std::string name)
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{
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#if !defined(ESP32)
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if (name.length() > 15)
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name = name.substr(0, 15);
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pthread_setname_np(pthread_self(), name.c_str());
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#endif
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}
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