bits.h

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#pragma  once
 
#include <cstddef>
#include <cstdint>
 
#if defined(__linux__)
    #include <arpa/inet.h>
#elif defined(ARDUINO_ARCH_SAMD) || defined(ARDUINO_ARCH_STM32) || defined (DeviceFamily_CC13X0)
    #define getbyte(x,n) (*(((uint8_t*)&(x))+n))
    #define htons(x)  ( (getbyte(x,0)<<8) | getbyte(x,1) )
    #define htonl(x) ( (getbyte(x,0)<<24) | (getbyte(x,1)<<16) | (getbyte(x,2)<<8) | getbyte(x,3) )
    #define ntohs(x) htons(x)
    #define ntohl(x) htonl(x)
#elif defined(LIBRETINY)
    #include <lwip/udp.h>
    #define htons(x) lwip_htons(x)
    #define htonl(x) lwip_htonl(x)
#endif
 
#if defined(ARDUINO_ARCH_SAMD) || defined(ARDUINO_ARCH_RP2040) || defined(ARDUINO_ARCH_STM32) || defined(LIBRETINY)
    #include <Arduino.h>
#elif defined(ARDUINO_ARCH_ESP8266)
    #include <Arduino.h>
    #include <user_interface.h>
#elif defined(ARDUINO_ARCH_ESP32)
    #include <Arduino.h>
    #include <esp_wifi.h>
#elif defined(ESP_PLATFORM)
    #include <lwip/inet.h>
    #include <driver/gpio.h>
    // // Define Arduino-like macros if needed for compatibility
 
    #define lowByte(val) ((val)&255)
    #define highByte(val) (((val) >> ((sizeof(val) - 1) << 3)) & 255)
    #define bitRead(val, bitno) (((val) >> (bitno)) & 1)
    #define DEC 10
    #define HEX 16
    #define OCT  8
    #define BIN  2
    #define LOW  0
    #define HIGH 1
    #define CHANGE GPIO_INTR_ANYEDGE
    #define FALLING GPIO_INTR_NEGEDGE
    #define RISING GPIO_INTR_POSEDGE
    // Implement or map Arduino-like functions if needed
    uint32_t millis();
    typedef void (*IsrFuncPtr)(void); // Arduino-style
    typedef void (*EspIsrFuncPtr)(void*); // ESP-IDF-style
    void attachInterrupt(uint32_t pin, IsrFuncPtr callback, uint32_t mode);
#else // Non-Arduino platforms
    #define lowByte(val) ((val)&255)
    #define highByte(val) (((val) >> ((sizeof(val) - 1) << 3)) & 255)
    #define bitRead(val, bitno) (((val) >> (bitno)) & 1)
 
    // print functions are implemented in the platform files
    #define DEC 10
    #define HEX 16
 
    #define INPUT (0x0)
    #define OUTPUT (0x1)
    #define INPUT_PULLUP (0x2)
    #define INPUT_PULLDOWN (0x3)
 
    #define LOW (0x0)
    #define HIGH (0x1)
    #define CHANGE 2
    #define FALLING 3
    #define RISING 4
 
    void delay(uint32_t millis);
    void delayMicroseconds (unsigned int howLong);
    uint32_t millis();
    void pinMode(uint32_t dwPin, uint32_t dwMode);
    void digitalWrite(uint32_t dwPin, uint32_t dwVal);
    uint32_t digitalRead(uint32_t dwPin);
    typedef void (*voidFuncPtr)(void);
    void attachInterrupt(uint32_t pin, voidFuncPtr callback, uint32_t mode);
#endif
 
#ifndef MIN
    #define MIN(a, b) ((a < b) ? (a) : (b))
#endif
 
#ifndef MAX
    #define MAX(a, b) ((a > b) ? (a) : (b))
#endif
 
#ifndef ABS
    #define ABS(x)    ((x > 0) ? (x) : (-x))
#endif
 
#ifndef KNX_NO_PRINT
    void print(const char[]);
    void print(char);
    void print(unsigned char, int = DEC);
    void print(int, int = DEC);
    void print(unsigned int, int = DEC);
    void print(long, int = DEC);
    void print(unsigned long, int = DEC);
    void print(long long, int = DEC);
    void print(unsigned long long, int = DEC);
    void print(double);
 
    void println(const char[]);
    void println(char);
    void println(unsigned char, int = DEC);
    void println(int, int = DEC);
    void println(unsigned int, int = DEC);
    void println(long, int = DEC);
    void println(unsigned long, int = DEC);
    void println(long long, int = DEC);
    void println(unsigned long long, int = DEC);
    void println(double);
    void println(void);
 
    void printHex(const char* suffix, const uint8_t* data, size_t length, bool newline = true);
#else
    #define print(...)      do {} while(0)
    #define println(...)    do {} while(0)
    #define printHex(...)   do {} while(0)
#endif
 
#ifdef KNX_ACTIVITYCALLBACK
    #define KNX_ACTIVITYCALLBACK_DIR 0x00
    #define KNX_ACTIVITYCALLBACK_DIR_RECV 0x00
    #define KNX_ACTIVITYCALLBACK_DIR_SEND 0x01
    #define KNX_ACTIVITYCALLBACK_IPUNICAST 0x02
    #define KNX_ACTIVITYCALLBACK_NET 0x04
#endif
 
const uint8_t* popByte(uint8_t& b, const uint8_t* data);
const uint8_t* popWord(uint16_t& w, const uint8_t* data);
const uint8_t* popInt(uint32_t& i, const uint8_t* data);
const uint8_t* popByteArray(uint8_t* dst, uint32_t size, const uint8_t* data);
uint8_t* pushByte(uint8_t b, uint8_t* data);
uint8_t* pushWord(uint16_t w, uint8_t* data);
uint8_t* pushInt(uint32_t i, uint8_t* data);
uint8_t* pushByteArray(const uint8_t* src, uint32_t size, uint8_t* data);
uint16_t getWord(const uint8_t* data);
uint32_t getInt(const uint8_t* data);
 
void sixBytesFromUInt64(uint64_t num, uint8_t* toByteArray);
uint64_t sixBytesToUInt64(uint8_t* data);
 
uint16_t crc16Ccitt(uint8_t* input, uint16_t length);
uint16_t crc16Dnp(uint8_t* input, uint16_t length);
 
enum ParameterFloatEncodings
{
    Float_Enc_DPT9 = 0,          // 2 Byte. See Chapter 3.7.2 section 3.10 (Datapoint Types 2-Octet Float Value)
    Float_Enc_IEEE754Single = 1, // 4 Byte. C++ float
    Float_Enc_IEEE754Double = 2, // 8 Byte. C++ double
};
 
 
#if defined(ARDUINO_ARCH_SAMD)
    // temporary undef until framework-arduino-samd > 1.8.9 is released. See https://github.com/arduino/ArduinoCore-samd/pull/399 for a PR should will probably address this
    #undef max
    #undef min
    // end of temporary undef
#endif