Files
espurna/code/espurna/utils.h
Maxim Prokhorov a3d8582a70 sns: flush does not mean reset for both tx and rx
* clean-up useless stream read() / flush(), rely on timer and internal state
  avoids wdt reset with sensors looping on available()
* fix some instances of `available()` in boolean context to use `>0`
  (not everything returns sign, but if it does - we are in trouble)
* util func to read available bytes from the stream using buffered
  interface instead of 1 byte at a time
2022-11-17 00:54:10 +03:00

64 lines
1.9 KiB
C++

/*
UTILS MODULE
Copyright (C) 2017-2019 by Xose Pérez <xose dot perez at gmail dot com>
*/
#pragma once
#include <Arduino.h>
#include "system.h"
String prettyDuration(espurna::duration::Seconds);
bool sslCheckFingerPrint(const char * fingerprint);
bool sslFingerPrintArray(const char * fingerprint, unsigned char * bytearray);
bool sslFingerPrintChar(const char * fingerprint, char * destination);
char* strnstr(const char* buffer, const char* token, size_t n);
bool isNumber(const char* begin, const char* end);
bool isNumber(const String&);
uint32_t randomNumber();
uint32_t randomNumber(uint32_t minimum, uint32_t maximum);
double roundTo(double num, unsigned char positions);
bool almostEqual(double lhs, double rhs, int ulp);
bool almostEqual(double lhs, double rhs);
struct ParseUnsignedResult {
bool ok;
uint32_t value;
};
ParseUnsignedResult parseUnsigned(espurna::StringView, int base);
ParseUnsignedResult parseUnsigned(espurna::StringView);
String formatUnsigned(uint32_t value, int base);
char* hexEncode(const uint8_t* in_begin, const uint8_t* in_end, char* out_begin, char* out_end);
size_t hexEncode(const uint8_t* in, size_t in_size, char* out, size_t out_size);
String hexEncode(const uint8_t* begin, const uint8_t* end);
template <size_t Size>
inline String hexEncode(const uint8_t (&buffer)[Size]) {
return hexEncode(std::begin(buffer), std::end(buffer));
}
inline String hexEncode(uint8_t value) {
uint8_t buffer[1] { value };
return hexEncode(buffer);
}
uint8_t* hexDecode(const char* in_begin, const char* in_end, uint8_t* out_begin, uint8_t* out_end);
size_t hexDecode(const char* in, size_t in_size, uint8_t* out, size_t out_size);
bool tryParseId(espurna::StringView, size_t limit, size_t& out);
bool tryParseIdPath(espurna::StringView, size_t limit, size_t& out);
espurna::StringView stripNewline(espurna::StringView);
size_t consumeAvailable(Stream&);