427 lines
10 KiB
C++
427 lines
10 KiB
C++
#define FASTLED_INTERNAL
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#include "FastLED.h"
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#include "fl/singleton.h"
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#include "fl/engine_events.h"
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#include "fl/compiler_control.h"
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#include "fl/int.h"
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/// @file FastLED.cpp
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/// Central source file for FastLED, implements the CFastLED class/object
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#ifndef MAX_CLED_CONTROLLERS
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#ifdef __AVR__
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// if mega or leonardo, allow more controllers
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#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__) || defined(__AVR_ATmega32U4__)
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#define MAX_CLED_CONTROLLERS 16
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#else
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#define MAX_CLED_CONTROLLERS 8
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#endif
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#else
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#define MAX_CLED_CONTROLLERS 64
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#endif // __AVR__
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#endif // MAX_CLED_CONTROLLERS
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#ifndef FASTLED_MANUAL_ENGINE_EVENTS
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#define FASTLED_MANUAL_ENGINE_EVENTS 0
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#endif
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#if defined(__SAM3X8E__)
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volatile fl::u32 fuckit;
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#endif
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// Disable to fix build breakage.
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// #ifndef FASTLED_DEFINE_WEAK_YEILD_FUNCTION
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// #if defined(__AVR_ATtiny13__)
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// // Arduino.h also defines this as a weak function on this platform.
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// #define FASTLED_DEFINE_WEAK_YEILD_FUNCTION 0
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// #else
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// #define FASTLED_DEFINE_WEAK_YEILD_FUNCTION 1
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// #endif
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// #endif
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/// Has to be declared outside of any namespaces.
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/// Called at program exit when run in a desktop environment.
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/// Extra C definition that some environments may need.
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/// @returns 0 to indicate success
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#ifndef FASTLED_NO_ATEXIT
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#define FASTLED_NO_ATEXIT 0
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#endif
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#if !FASTLED_NO_ATEXIT
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extern "C" FL_LINK_WEAK int atexit(void (* /*func*/ )()) { return 0; }
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#endif
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#ifdef FASTLED_NEEDS_YIELD
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extern "C" void yield(void) { }
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#endif
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FASTLED_NAMESPACE_BEGIN
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fl::u16 cled_contoller_size() {
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return sizeof(CLEDController);
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}
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uint8_t get_brightness();
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/// Pointer to the matrix object when using the Smart Matrix Library
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/// @see https://github.com/pixelmatix/SmartMatrix
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void *pSmartMatrix = NULL;
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FL_DISABLE_WARNING_PUSH
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FL_DISABLE_WARNING_GLOBAL_CONSTRUCTORS
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CFastLED FastLED; // global constructor allowed in this case.
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FL_DISABLE_WARNING_POP
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CLEDController *CLEDController::m_pHead = NULL;
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CLEDController *CLEDController::m_pTail = NULL;
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static fl::u32 lastshow = 0;
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/// Global frame counter, used for debugging ESP implementations
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/// @todo Include in FASTLED_DEBUG_COUNT_FRAME_RETRIES block?
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fl::u32 _frame_cnt=0;
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/// Global frame retry counter, used for debugging ESP implementations
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/// @todo Include in FASTLED_DEBUG_COUNT_FRAME_RETRIES block?
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fl::u32 _retry_cnt=0;
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// uint32_t CRGB::Squant = ((uint32_t)((__TIME__[4]-'0') * 28))<<16 | ((__TIME__[6]-'0')*50)<<8 | ((__TIME__[7]-'0')*28);
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CFastLED::CFastLED() {
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// clear out the array of led controllers
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// m_nControllers = 0;
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m_Scale = 255;
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m_nFPS = 0;
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m_pPowerFunc = NULL;
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m_nPowerData = 0xFFFFFFFF;
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m_nMinMicros = 0;
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}
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int CFastLED::size() {
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return (*this)[0].size();
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}
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CRGB* CFastLED::leds() {
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return (*this)[0].leds();
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}
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CLEDController &CFastLED::addLeds(CLEDController *pLed,
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struct CRGB *data,
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int nLedsOrOffset, int nLedsIfOffset) {
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int nOffset = (nLedsIfOffset > 0) ? nLedsOrOffset : 0;
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int nLeds = (nLedsIfOffset > 0) ? nLedsIfOffset : nLedsOrOffset;
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pLed->init();
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pLed->setLeds(data + nOffset, nLeds);
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FastLED.setMaxRefreshRate(pLed->getMaxRefreshRate(),true);
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fl::EngineEvents::onStripAdded(pLed, nLedsOrOffset - nOffset);
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return *pLed;
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}
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// This is bad code. But it produces the smallest binaries for reasons
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// beyond mortal comprehensions.
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// Instead of iterating through the link list for onBeginFrame(), beginShowLeds()
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// and endShowLeds(): store the pointers in an array and iterate through that.
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//
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// static uninitialized gControllersData produces the smallest binary on attiny85.
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static void* gControllersData[MAX_CLED_CONTROLLERS];
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void CFastLED::show(uint8_t scale) {
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#if !FASTLED_MANUAL_ENGINE_EVENTS
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fl::EngineEvents::onBeginFrame();
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#endif
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while(m_nMinMicros && ((micros()-lastshow) < m_nMinMicros));
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lastshow = micros();
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// If we have a function for computing power, use it!
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if(m_pPowerFunc) {
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scale = (*m_pPowerFunc)(scale, m_nPowerData);
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}
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int length = 0;
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CLEDController *pCur = CLEDController::head();
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while(pCur && length < MAX_CLED_CONTROLLERS) {
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if (pCur->getEnabled()) {
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gControllersData[length] = pCur->beginShowLeds(pCur->size());
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} else {
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gControllersData[length] = nullptr;
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}
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length++;
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if (m_nFPS < 100) { pCur->setDither(0); }
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pCur = pCur->next();
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}
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pCur = CLEDController::head();
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for (length = 0; length < MAX_CLED_CONTROLLERS && pCur; length++) {
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if (pCur->getEnabled()) {
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pCur->showLedsInternal(scale);
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}
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pCur = pCur->next();
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}
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length = 0; // Reset length to 0 and iterate again.
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pCur = CLEDController::head();
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while(pCur && length < MAX_CLED_CONTROLLERS) {
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if (pCur->getEnabled()) {
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pCur->endShowLeds(gControllersData[length]);
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}
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length++;
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pCur = pCur->next();
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}
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countFPS();
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onEndFrame();
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#if !FASTLED_MANUAL_ENGINE_EVENTS
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fl::EngineEvents::onEndShowLeds();
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#endif
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}
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void CFastLED::onEndFrame() {
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fl::EngineEvents::onEndFrame();
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}
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int CFastLED::count() {
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int x = 0;
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CLEDController *pCur = CLEDController::head();
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while( pCur) {
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++x;
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pCur = pCur->next();
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}
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return x;
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}
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CLEDController & CFastLED::operator[](int x) {
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CLEDController *pCur = CLEDController::head();
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while(x-- && pCur) {
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pCur = pCur->next();
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}
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if(pCur == NULL) {
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return *(CLEDController::head());
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} else {
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return *pCur;
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}
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}
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void CFastLED::showColor(const struct CRGB & color, uint8_t scale) {
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while(m_nMinMicros && ((micros()-lastshow) < m_nMinMicros));
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lastshow = micros();
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// If we have a function for computing power, use it!
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if(m_pPowerFunc) {
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scale = (*m_pPowerFunc)(scale, m_nPowerData);
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}
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int length = 0;
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CLEDController *pCur = CLEDController::head();
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while(pCur && length < MAX_CLED_CONTROLLERS) {
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if (pCur->getEnabled()) {
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gControllersData[length] = pCur->beginShowLeds(pCur->size());
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} else {
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gControllersData[length] = nullptr;
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}
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length++;
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pCur = pCur->next();
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}
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pCur = CLEDController::head();
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while(pCur && length < MAX_CLED_CONTROLLERS) {
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if(m_nFPS < 100) { pCur->setDither(0); }
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if (pCur->getEnabled()) {
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pCur->showColorInternal(color, scale);
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}
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pCur = pCur->next();
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}
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pCur = CLEDController::head();
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length = 0; // Reset length to 0 and iterate again.
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while(pCur && length < MAX_CLED_CONTROLLERS) {
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if (pCur->getEnabled()) {
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pCur->endShowLeds(gControllersData[length]);
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}
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length++;
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pCur = pCur->next();
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}
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countFPS();
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onEndFrame();
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}
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void CFastLED::clear(bool writeData) {
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if(writeData) {
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showColor(CRGB(0,0,0), 0);
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}
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clearData();
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}
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void CFastLED::clearData() {
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CLEDController *pCur = CLEDController::head();
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while(pCur) {
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pCur->clearLedDataInternal();
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pCur = pCur->next();
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}
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}
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void CFastLED::delay(unsigned long ms) {
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unsigned long start = millis();
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do {
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#ifndef FASTLED_ACCURATE_CLOCK
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// make sure to allow at least one ms to pass to ensure the clock moves
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// forward
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::delay(1);
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#endif
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show();
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yield();
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}
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while((millis()-start) < ms);
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}
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void CFastLED::setTemperature(const struct CRGB & temp) {
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CLEDController *pCur = CLEDController::head();
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while(pCur) {
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pCur->setTemperature(temp);
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pCur = pCur->next();
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}
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}
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void CFastLED::setCorrection(const struct CRGB & correction) {
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CLEDController *pCur = CLEDController::head();
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while(pCur) {
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pCur->setCorrection(correction);
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pCur = pCur->next();
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}
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}
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void CFastLED::setDither(uint8_t ditherMode) {
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CLEDController *pCur = CLEDController::head();
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while(pCur) {
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pCur->setDither(ditherMode);
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pCur = pCur->next();
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}
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}
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//
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// template<int m, int n> void transpose8(unsigned char A[8], unsigned char B[8]) {
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// uint32_t x, y, t;
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//
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// // Load the array and pack it into x and y.
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// y = *(unsigned int*)(A);
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// x = *(unsigned int*)(A+4);
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//
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// // x = (A[0]<<24) | (A[m]<<16) | (A[2*m]<<8) | A[3*m];
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// // y = (A[4*m]<<24) | (A[5*m]<<16) | (A[6*m]<<8) | A[7*m];
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//
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// // pre-transform x
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// t = (x ^ (x >> 7)) & 0x00AA00AA; x = x ^ t ^ (t << 7);
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// t = (x ^ (x >>14)) & 0x0000CCCC; x = x ^ t ^ (t <<14);
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//
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// // pre-transform y
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// t = (y ^ (y >> 7)) & 0x00AA00AA; y = y ^ t ^ (t << 7);
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// t = (y ^ (y >>14)) & 0x0000CCCC; y = y ^ t ^ (t <<14);
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//
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// // final transform
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// t = (x & 0xF0F0F0F0) | ((y >> 4) & 0x0F0F0F0F);
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// y = ((x << 4) & 0xF0F0F0F0) | (y & 0x0F0F0F0F);
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// x = t;
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//
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// B[7*n] = y; y >>= 8;
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// B[6*n] = y; y >>= 8;
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// B[5*n] = y; y >>= 8;
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// B[4*n] = y;
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//
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// B[3*n] = x; x >>= 8;
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// B[2*n] = x; x >>= 8;
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// B[n] = x; x >>= 8;
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// B[0] = x;
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// // B[0]=x>>24; B[n]=x>>16; B[2*n]=x>>8; B[3*n]=x>>0;
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// // B[4*n]=y>>24; B[5*n]=y>>16; B[6*n]=y>>8; B[7*n]=y>>0;
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// }
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//
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// void transposeLines(Lines & out, Lines & in) {
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// transpose8<1,2>(in.bytes, out.bytes);
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// transpose8<1,2>(in.bytes + 8, out.bytes + 1);
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// }
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/// Unused value
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/// @todo Remove?
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extern int noise_min;
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/// Unused value
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/// @todo Remove?
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extern int noise_max;
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void CFastLED::countFPS(int nFrames) {
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static int br = 0;
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static fl::u32 lastframe = 0; // millis();
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if(br++ >= nFrames) {
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fl::u32 now = millis();
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now -= lastframe;
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if(now == 0) {
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now = 1; // prevent division by zero below
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}
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m_nFPS = (br * 1000) / now;
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br = 0;
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lastframe = millis();
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}
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}
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void CFastLED::setMaxRefreshRate(fl::u16 refresh, bool constrain) {
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if(constrain) {
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// if we're constraining, the new value of m_nMinMicros _must_ be higher than previously (because we're only
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// allowed to slow things down if constraining)
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if(refresh > 0) {
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m_nMinMicros = ((1000000 / refresh) > m_nMinMicros) ? (1000000 / refresh) : m_nMinMicros;
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}
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} else if(refresh > 0) {
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m_nMinMicros = 1000000 / refresh;
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} else {
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m_nMinMicros = 0;
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}
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}
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uint8_t get_brightness() {
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return FastLED.getBrightness();
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}
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#ifdef NEED_CXX_BITS
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namespace __cxxabiv1
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{
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#if !defined(ESP8266) && !defined(ESP32)
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extern "C" void __cxa_pure_virtual (void) {}
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#endif
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/* guard variables */
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/* The ABI requires a 64-bit type. */
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__extension__ typedef int __guard __attribute__((mode(__DI__)));
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extern "C" int __cxa_guard_acquire (__guard *) FL_LINK_WEAK;
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extern "C" void __cxa_guard_release (__guard *) FL_LINK_WEAK;
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extern "C" void __cxa_guard_abort (__guard *) FL_LINK_WEAK;
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extern "C" int __cxa_guard_acquire (__guard *g)
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{
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return !*(char *)(g);
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}
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extern "C" void __cxa_guard_release (__guard *g)
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{
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*(char *)g = 1;
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}
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extern "C" void __cxa_guard_abort (__guard *)
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{
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}
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}
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#endif
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FASTLED_NAMESPACE_END
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