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/*
* EEZ Generic Firmware
* Copyright (C) 2018-present, Envox d.o.o.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <stdint.h>
#include <stdlib.h>
#include <eez/core/os.h>
#include <eez/core/unit.h>
#define clear_bit(reg, bitmask) *reg &= ~bitmask
#define set_bit(reg, bitmask) *reg |= bitmask
#define util_swap(type, i, j) \
{ \
type t = i; \
i = j; \
j = t; \
}
#ifndef MIN
#define MIN(a, b) ((a) < (b) ? (a) : (b))
#endif
#ifndef MAX
#define MAX(a, b) ((a) > (b) ? (a) : (b))
#endif
#define PATH_SEPARATOR "/"
namespace eez {
float remap(float x, float x1, float y1, float x2, float y2);
float remapQuad(float x, float x1, float y1, float x2, float y2);
float remapOutQuad(float x, float x1, float y1, float x2, float y2);
float remapInOutQuad(float x, float x1, float y1, float x2, float y2);
float remapCubic(float x, float x1, float y1, float x2, float y2);
float remapOutCubic(float x, float x1, float y1, float x2, float y2);
float remapExp(float x, float x1, float y1, float x2, float y2);
float remapOutExp(float x, float x1, float y1, float x2, float y2);
float clamp(float x, float min, float max);
void stringCopy(char *dst, size_t maxStrLength, const char *src);
void stringCopyLength(char *dst, size_t maxStrLength, const char *src, size_t length);
void stringAppendString(char *str, size_t maxStrLength, const char *value);
void stringAppendStringLength(char *str, size_t maxStrLength, const char *value, size_t length);
void stringAppendInt(char *str, size_t maxStrLength, int value);
void stringAppendUInt32(char *str, size_t maxStrLength, uint32_t value);
void stringAppendInt64(char *str, size_t maxStrLength, int64_t value);
void stringAppendUInt64(char *str, size_t maxStrLength, uint64_t value);
void stringAppendFloat(char *str, size_t maxStrLength, float value);
void stringAppendFloat(char *str, size_t maxStrLength, float value, int numDecimalPlaces);
void stringAppendDouble(char *str, size_t maxStrLength, double value);
void stringAppendDouble(char *str, size_t maxStrLength, double value, int numDecimalPlaces);
void stringAppendVoltage(char *str, size_t maxStrLength, float value);
void stringAppendCurrent(char *str, size_t maxStrLength, float value);
void stringAppendPower(char *str, size_t maxStrLength, float value);
void stringAppendDuration(char *str, size_t maxStrLength, float value);
void stringAppendLoad(char *str, size_t maxStrLength, float value);
uint32_t crc32(const uint8_t *message, size_t size);
uint8_t toBCD(uint8_t bin);
uint8_t fromBCD(uint8_t bcd);
float roundPrec(float a, float prec);
float floorPrec(float a, float prec);
float ceilPrec(float a, float prec);
bool isNaN(float x);
bool isNaN(double x);
bool isDigit(char ch);
bool isHexDigit(char ch);
bool isUperCaseLetter(char ch);
char toHexDigit(int num);
int fromHexDigit(char ch);
bool pointInsideRect(int xPoint, int yPoint, int xRect, int yRect, int wRect, int hRect);
void getParentDir(const char *path, char *parentDirPath);
bool parseMacAddress(const char *macAddressStr, size_t macAddressStrLength, uint8_t *macAddress);
int getIpAddressPartA(uint32_t ipAddress);
void setIpAddressPartA(uint32_t *ipAddress, uint8_t value);
int getIpAddressPartB(uint32_t ipAddress);
void setIpAddressPartB(uint32_t *ipAddress, uint8_t value);
int getIpAddressPartC(uint32_t ipAddress);
void setIpAddressPartC(uint32_t *ipAddress, uint8_t value);
int getIpAddressPartD(uint32_t ipAddress);
void setIpAddressPartD(uint32_t *ipAddress, uint8_t value);
void ipAddressToArray(uint32_t ipAddress, uint8_t *ipAddressArray);
uint32_t arrayToIpAddress(uint8_t *ipAddressArray);
uint32_t getIpAddress(uint8_t a, uint8_t b, uint8_t c, uint8_t d);
bool parseIpAddress(const char *ipAddressStr, size_t ipAddressStrLength, uint32_t &ipAddress);
void ipAddressToString(uint32_t ipAddress, char *ipAddressStr, size_t maxIpAddressStrLength);
void macAddressToString(const uint8_t *macAddress, char *macAddressStr);
void formatTimeZone(int16_t timeZone, char *text, int count);
bool parseTimeZone(const char *timeZoneStr, size_t timeZoneLength, int16_t &timeZone);
void replaceCharacter(char *str, char ch, char repl);
int strcicmp(char const *a, char const *b);
int strncicmp(char const *a, char const *b, int n);
bool isStringEmpty(char const *a);
bool startsWith(const char *str, const char *prefix);
bool startsWithNoCase(const char *str, const char *prefix);
bool endsWith(const char *str, const char *suffix);
bool endsWithNoCase(const char *str, const char *suffix);
void formatBytes(uint64_t bytes, char *text, int count);
void getFileName(const char *path, char *fileName, unsigned fileNameSize);
void getBaseFileName(const char *path, char *baseName, unsigned baseNameSize);
typedef float (*EasingFuncType)(float x);
extern EasingFuncType g_easingFuncs[];
class Interval {
public:
// Returns true when called for the first time,
// and later returns true after interval, interval * 2, interval * 3, ...
// Interval is in milliseconds.
bool test(uint32_t interval) {
auto time = millis();
if (lastTime == 0) {
lastTime = time == 0 ? 1 : time;
return true;
}
if (time >= lastTime + interval) {
lastTime += ((uint32_t)(time - lastTime) / interval) * interval;
return true;
}
return false;
}
private:
uint32_t lastTime = 0;
};
template <typename T, typename Total, uint64_t N>
class MovingAverage {
public:
void operator()(T sample) {
if (m_numSamples < N) {
m_samples[m_numSamples++] = sample;
m_total += sample;
} else {
T& oldest = m_samples[m_numSamples++ % N];
m_total += sample - oldest;
oldest = sample;
}
}
operator T() const {
if (m_numSamples < N) {
return m_total / m_numSamples;
} else {
return m_total / N;
}
}
void reset() {
m_numSamples = 0;
m_total = 0;
}
private:
T m_samples[N];
uint64_t m_numSamples{0};
Total m_total{0};
};
} // namespace eez
#ifdef EEZ_PLATFORM_SIMULATOR_WIN32
char *strnstr(const char *s1, const char *s2, size_t n);
#endif