134 lines
7.6 KiB
C
134 lines
7.6 KiB
C
#ifndef WLED_UTIL_H
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#define WLED_UTIL_H
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// Library inclusions
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#include <Arduino.h>
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#define ARDUINOJSON_DECODE_UNICODE 0
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#include "src/dependencies/json/AsyncJson-v6.h"
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#include "src/dependencies/json/ArduinoJson-v6.h"
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#if !defined(FASTLED_VERSION) // pull in FastLED if we don't have it yet (we need the CRGB type)
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#define USE_GET_MILLISECOND_TIMER
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#define FASTLED_INTERNAL
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#include <FastLED.h>
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#endif
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/*
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* functions exported by util.cpp
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*/
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#define inoise8 perlin8 // fastled legacy alias
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#define inoise16 perlin16 // fastled legacy alias
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#define hex2int(a) (((a)>='0' && (a)<='9') ? (a)-'0' : ((a)>='A' && (a)<='F') ? (a)-'A'+10 : ((a)>='a' && (a)<='f') ? (a)-'a'+10 : 0)
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int __attribute__((pure)) getNumVal(const String* req, uint16_t pos);
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void parseNumber(const char* str, byte* val, byte minv=0, byte maxv=255);
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bool getVal(JsonVariant elem, byte* val, byte minv=0, byte maxv=255);
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bool updateVal(const char* req, const char* key, byte* val, byte minv=0, byte maxv=255);
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void oappendUseDeflate(bool OnOff); // enable / disable string squeezing
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bool oappend(const char* txt); // append new c string to temp buffer efficiently
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bool oappendi(int i); // append new number to temp buffer efficiently
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void sappend(char stype, const char* key, int val);
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void sappends(char stype, const char* key, char* val);
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void prepareHostname(char* hostname);
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bool isAsterisksOnly(const char* str, byte maxLen) __attribute__((pure));
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bool requestJSONBufferLock(uint8_t module=255, unsigned timeoutMS = 1800);
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void releaseJSONBufferLock();
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uint8_t extractModeName(uint8_t mode, const char *src, char *dest, uint8_t maxLen);
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uint8_t extractModeSlider(uint8_t mode, uint8_t slider, char *dest, uint8_t maxLen, uint8_t *var = nullptr);
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int16_t extractModeDefaults(uint8_t mode, const char *segVar);
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void checkSettingsPIN(const char *pin);
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uint16_t __attribute__((pure)) crc16(const unsigned char* data_p, size_t length); // WLEDMM: added attribute pure
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String computeSHA1(const String& input);
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String getDeviceId();
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uint16_t beatsin88_t(accum88 beats_per_minute_88, uint16_t lowest = 0, uint16_t highest = 65535, uint32_t timebase = 0, uint16_t phase_offset = 0);
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uint16_t beatsin16_t(accum88 beats_per_minute, uint16_t lowest = 0, uint16_t highest = 65535, uint32_t timebase = 0, uint16_t phase_offset = 0);
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uint8_t beatsin8_t(accum88 beats_per_minute, uint8_t lowest = 0, uint8_t highest = 255, uint32_t timebase = 0, uint8_t phase_offset = 0);
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uint8_t get_random_wheel_index(uint8_t pos);
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CRGB getCRGBForBand(int x, uint8_t *fftResult, int pal); //WLEDMM netmindz ar palette
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char *cleanUpName(char *in); // to clean up a name that was read from file
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uint32_t hashInt(uint32_t s);
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int32_t perlin1D_raw(uint32_t x, bool is16bit = false);
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int32_t perlin2D_raw(uint32_t x, uint32_t y, bool is16bit = false);
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int32_t perlin3D_raw(uint32_t x, uint32_t y, uint32_t z, bool is16bit = false);
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uint16_t perlin16(uint32_t x);
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uint16_t perlin16(uint32_t x, uint32_t y);
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uint16_t perlin16(uint32_t x, uint32_t y, uint32_t z);
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uint8_t perlin8(uint16_t x);
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uint8_t perlin8(uint16_t x, uint16_t y);
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uint8_t perlin8(uint16_t x, uint16_t y, uint16_t z);
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// fast (true) random numbers using hardware RNG, all functions return values in the range lowerlimit to upperlimit-1
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// note: for true random numbers with high entropy, do not call faster than every 200ns (5MHz)
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// tests show it is still highly random reading it quickly in a loop (better than fastled PRNG)
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// for 8bit and 16bit random functions: no limit check is done for best speed
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// 32bit inputs are used for speed and code size, limits don't work if inverted or out of range
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// inlining does save code size except for random(a,b) and 32bit random with limits
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#ifdef ESP8266
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#define HW_RND_REGISTER RANDOM_REG32
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#else // ESP32 family
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#include "soc/wdev_reg.h"
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#define HW_RND_REGISTER REG_READ(WDEV_RND_REG)
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#endif
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#define random hw_random // replace arduino random()
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inline uint32_t hw_random() { return HW_RND_REGISTER; };
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uint32_t hw_random(uint32_t upperlimit); // not inlined for code size
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int32_t hw_random(int32_t lowerlimit, int32_t upperlimit);
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inline uint16_t hw_random16() { return HW_RND_REGISTER; };
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inline uint16_t hw_random16(uint32_t upperlimit) { return (hw_random16() * upperlimit) >> 16; }; // input range 0-65535 (uint16_t)
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inline int16_t hw_random16(int32_t lowerlimit, int32_t upperlimit) { int32_t range = upperlimit - lowerlimit; return lowerlimit + hw_random16(range); }; // signed limits, use int16_t ranges
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inline uint8_t hw_random8() { return HW_RND_REGISTER; };
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inline uint8_t hw_random8(uint32_t upperlimit) { return (hw_random8() * upperlimit) >> 8; }; // input range 0-255
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inline uint8_t hw_random8(uint32_t lowerlimit, uint32_t upperlimit) { uint32_t range = upperlimit - lowerlimit; return lowerlimit + hw_random8(range); }; // input range 0-255
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// memory allocation wrappers (util.cpp)
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extern "C" {
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// only allocate from internal DRAM, never uses PSRAM
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void *d_malloc_only(size_t);
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// prefer DRAM in d_xalloc functions, PSRAM as fallback
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void *d_malloc(size_t);
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void *d_calloc(size_t, size_t);
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void *d_realloc_malloc(void *ptr, size_t size); // implements reallocf(): realloc with malloc fallback, original pointer is free'd if reallocation fails
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void d_free(void *ptr);
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// prefer PSRAM in p_xalloc functions, DRAM as fallback
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void *p_malloc(size_t);
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void *p_calloc(size_t, size_t);
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void *p_realloc_malloc(void *ptr, size_t size); // implements reallocf(): realloc with malloc fallback, original pointer is free'd if reallocation fails
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void p_free(void *ptr);
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// realloc_malloc_nofree() implements the original realloc semantics:
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// function returns a pointer to the newly allocated memory. This may be different from ptr, or NULL if the request fails.
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// The contents will be unchanged in the range from the start of the region up to the minimum of the old and new sizes.
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// If the new size is larger than the old size, the added memory will not be initialized.
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// If realloc() fails the original block is left untouched; it is not freed or moved.
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void *d_realloc_malloc_nofree(void *ptr, size_t size);
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void *p_realloc_malloc_nofree(void *ptr, size_t size);
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}
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#ifndef ESP8266
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//inline size_t getFreeHeapSize() { return heap_caps_get_free_size(MALLOC_CAP_INTERNAL | MALLOC_CAP_8BIT); } // returns free heap (ESP.getFreeHeap() can include other memory types) // WLEDMM can cause LED glitches
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//inline size_t getContiguousFreeHeap() { return heap_caps_get_largest_free_block(MALLOC_CAP_INTERNAL | MALLOC_CAP_8BIT); } // returns largest contiguous free block // WLEDMM may glitch, too
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extern size_t d_measureFreeHeap(void);
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extern size_t d_measureContiguousFreeHeap(void);
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inline size_t getFreeHeapSize() { return d_measureFreeHeap();} // total free heap - with flicker protection
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inline size_t getContiguousFreeHeap() { return d_measureContiguousFreeHeap();} // largest free block - with flicker protection
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#else
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inline size_t getFreeHeapSize() { return ESP.getFreeHeap(); } // returns free heap
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inline size_t getContiguousFreeHeap() { return ESP.getMaxFreeBlockSize(); } // returns largest contiguous free block
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#endif
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#if 0 // WLEDMM not used yet
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#define BFRALLOC_NOBYTEACCESS (1 << 0) // ESP32 has 32bit accessible DRAM (usually ~50kB free) that must not be byte-accessed, and cannot store float
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#define BFRALLOC_PREFER_DRAM (1 << 1) // prefer DRAM over PSRAM
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#define BFRALLOC_ENFORCE_DRAM (1 << 2) // use DRAM only, no PSRAM
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#define BFRALLOC_PREFER_PSRAM (1 << 3) // prefer PSRAM over DRAM
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#define BFRALLOC_ENFORCE_PSRAM (1 << 4) // use PSRAM only (if available)
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#define BFRALLOC_CLEAR (1 << 5) // clear allocated buffer after allocation
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void *allocate_buffer(size_t size, uint32_t type);
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#endif
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#endif |