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- #ifndef __INC_FASTSPI_AVR_H
- #define __INC_FASTSPI_AVR_H
-
- FASTLED_NAMESPACE_BEGIN
-
- //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
- //
- // Hardware SPI support using USART registers and friends
- //
- // TODO: Complete/test implementation - right now this doesn't work
- //
- //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-
- // uno/mini/duemilanove
- #if defined(AVR_HARDWARE_SPI)
-
- #if defined(UBRR1)
-
- #ifndef UCPHA1
- #define UCPHA1 1
- #endif
-
- template <uint8_t _DATA_PIN, uint8_t _CLOCK_PIN, uint32_t _SPI_CLOCK_DIVIDER>
- class AVRUSART1SPIOutput {
- Selectable *m_pSelect;
-
- public:
- AVRUSART1SPIOutput() { m_pSelect = NULL; }
- AVRUSART1SPIOutput(Selectable *pSelect) { m_pSelect = pSelect; }
- void setSelect(Selectable *pSelect) { m_pSelect = pSelect; }
-
- void init() {
- UBRR1 = 0;
-
- /* Set MSPI mode of operation and SPI data mode 0. */
- UCSR1C = (1<<UMSEL11)|(1<<UMSEL10)|(0<<UCPHA1)|(0<<UCPOL1);
- /* Enable receiver and transmitter. */
- UCSR1B = (1<<RXEN1)|(1<<TXEN1);
-
- FastPin<_CLOCK_PIN>::setOutput();
- FastPin<_DATA_PIN>::setOutput();
-
- // must be done last, see page 206
- setSPIRate();
- }
-
- void setSPIRate() {
- if(_SPI_CLOCK_DIVIDER > 2) {
- UBRR1 = (_SPI_CLOCK_DIVIDER/2)-1;
- } else {
- UBRR1 = 0;
- }
- }
-
-
- static void stop() {
- // TODO: stop the uart spi output
- }
-
- static bool shouldWait(bool wait = false) __attribute__((always_inline)) {
- static bool sWait=false;
- if(sWait) {
- sWait = wait; return true;
- } else {
- sWait = wait; return false;
- }
- // return true;
- }
- static void wait() __attribute__((always_inline)) {
- if(shouldWait()) {
- while(!(UCSR1A & (1<<UDRE1)));
- }
- }
- static void waitFully() __attribute__((always_inline)) { wait(); }
-
- static void writeWord(uint16_t w) __attribute__((always_inline)) { writeByte(w>>8); writeByte(w&0xFF); }
-
- static void writeByte(uint8_t b) __attribute__((always_inline)) { wait(); UDR1=b; shouldWait(true); }
- static void writeBytePostWait(uint8_t b) __attribute__((always_inline)) { UDR1=b; shouldWait(true); wait(); }
- static void writeByteNoWait(uint8_t b) __attribute__((always_inline)) { UDR1=b; shouldWait(true); }
-
-
- template <uint8_t BIT> inline static void writeBit(uint8_t b) {
- if(b && (1 << BIT)) {
- FastPin<_DATA_PIN>::hi();
- } else {
- FastPin<_DATA_PIN>::lo();
- }
-
- FastPin<_CLOCK_PIN>::hi();
- FastPin<_CLOCK_PIN>::lo();
- }
-
- void enable_pins() { }
- void disable_pins() { }
-
- void select() {
- if(m_pSelect != NULL) {
- m_pSelect->select();
- }
- enable_pins();
- setSPIRate();
- }
-
- void release() {
- if(m_pSelect != NULL) {
- m_pSelect->release();
- }
- disable_pins();
- }
-
- static void writeBytesValueRaw(uint8_t value, int len) {
- while(len--) {
- writeByte(value);
- }
- }
-
- void writeBytesValue(uint8_t value, int len) {
- //setSPIRate();
- select();
- while(len--) {
- writeByte(value);
- }
- release();
- }
-
- // Write a block of n uint8_ts out
- template <class D> void writeBytes(register uint8_t *data, int len) {
- //setSPIRate();
- uint8_t *end = data + len;
- select();
- while(data != end) {
- // a slight touch of delay here helps optimize the timing of the status register check loop (not used on ARM)
- writeByte(D::adjust(*data++)); delaycycles<3>();
- }
- release();
- }
-
- void writeBytes(register uint8_t *data, int len) { writeBytes<DATA_NOP>(data, len); }
-
- // write a block of uint8_ts out in groups of three. len is the total number of uint8_ts to write out. The template
- // parameters indicate how many uint8_ts to skip at the beginning and/or end of each grouping
- template <uint8_t FLAGS, class D, EOrder RGB_ORDER> void writePixels(PixelController<RGB_ORDER> pixels) {
- //setSPIRate();
- int len = pixels.mLen;
-
- select();
- while(pixels.has(1)) {
- if(FLAGS & FLAG_START_BIT) {
- writeBit<0>(1);
- writeBytePostWait(D::adjust(pixels.loadAndScale0()));
- writeBytePostWait(D::adjust(pixels.loadAndScale1()));
- writeBytePostWait(D::adjust(pixels.loadAndScale2()));
- } else {
- writeByte(D::adjust(pixels.loadAndScale0()));
- writeByte(D::adjust(pixels.loadAndScale1()));
- writeByte(D::adjust(pixels.loadAndScale2()));
- }
-
- pixels.advanceData();
- pixels.stepDithering();
- }
- D::postBlock(len);
- release();
- }
- };
- #endif
-
- #if defined(UBRR0)
- template <uint8_t _DATA_PIN, uint8_t _CLOCK_PIN, uint32_t _SPI_CLOCK_DIVIDER>
- class AVRUSART0SPIOutput {
- Selectable *m_pSelect;
-
- public:
- AVRUSART0SPIOutput() { m_pSelect = NULL; }
- AVRUSART0SPIOutput(Selectable *pSelect) { m_pSelect = pSelect; }
- void setSelect(Selectable *pSelect) { m_pSelect = pSelect; }
-
- void init() {
- UBRR0 = 0;
-
- /* Set MSPI mode of operation and SPI data mode 0. */
- UCSR0C = (1<<UMSEL01)|(1<<UMSEL00)/*|(0<<UCPHA0)*/|(0<<UCPOL0);
- /* Enable receiver and transmitter. */
- UCSR0B = (1<<RXEN0)|(1<<TXEN0);
-
- FastPin<_CLOCK_PIN>::setOutput();
- FastPin<_DATA_PIN>::setOutput();
-
-
- // must be done last, see page 206
- setSPIRate();
- }
-
- void setSPIRate() {
- if(_SPI_CLOCK_DIVIDER > 2) {
- UBRR0 = (_SPI_CLOCK_DIVIDER/2)-1;
- } else {
- UBRR0 = 0;
- }
- }
-
- static void stop() {
- // TODO: stop the uart spi output
- }
-
- static bool shouldWait(bool wait = false) __attribute__((always_inline)) {
- static bool sWait=false;
- if(sWait) {
- sWait = wait; return true;
- } else {
- sWait = wait; return false;
- }
- // return true;
- }
- static void wait() __attribute__((always_inline)) {
- if(shouldWait()) {
- while(!(UCSR0A & (1<<UDRE0)));
- }
- }
- static void waitFully() __attribute__((always_inline)) { wait(); }
-
- static void writeWord(uint16_t w) __attribute__((always_inline)) { writeByte(w>>8); writeByte(w&0xFF); }
-
- static void writeByte(uint8_t b) __attribute__((always_inline)) { wait(); UDR0=b; shouldWait(true); }
- static void writeBytePostWait(uint8_t b) __attribute__((always_inline)) { UDR0=b; shouldWait(true); wait(); }
- static void writeByteNoWait(uint8_t b) __attribute__((always_inline)) { UDR0=b; shouldWait(true); }
-
-
- template <uint8_t BIT> inline static void writeBit(uint8_t b) {
- if(b && (1 << BIT)) {
- FastPin<_DATA_PIN>::hi();
- } else {
- FastPin<_DATA_PIN>::lo();
- }
-
- FastPin<_CLOCK_PIN>::hi();
- FastPin<_CLOCK_PIN>::lo();
- }
-
- void enable_pins() { }
- void disable_pins() { }
-
- void select() {
- if(m_pSelect != NULL) {
- m_pSelect->select();
- }
- enable_pins();
- setSPIRate();
- }
-
- void release() {
- if(m_pSelect != NULL) {
- m_pSelect->release();
- }
- disable_pins();
- }
-
- static void writeBytesValueRaw(uint8_t value, int len) {
- while(len--) {
- writeByte(value);
- }
- }
-
- void writeBytesValue(uint8_t value, int len) {
- //setSPIRate();
- select();
- while(len--) {
- writeByte(value);
- }
- release();
- }
-
- // Write a block of n uint8_ts out
- template <class D> void writeBytes(register uint8_t *data, int len) {
- //setSPIRate();
- uint8_t *end = data + len;
- select();
- while(data != end) {
- // a slight touch of delay here helps optimize the timing of the status register check loop (not used on ARM)
- writeByte(D::adjust(*data++)); delaycycles<3>();
- }
- release();
- }
-
- void writeBytes(register uint8_t *data, int len) { writeBytes<DATA_NOP>(data, len); }
-
- // write a block of uint8_ts out in groups of three. len is the total number of uint8_ts to write out. The template
- // parameters indicate how many uint8_ts to skip at the beginning and/or end of each grouping
- template <uint8_t FLAGS, class D, EOrder RGB_ORDER> void writePixels(PixelController<RGB_ORDER> pixels) {
- //setSPIRate();
- int len = pixels.mLen;
-
- select();
- while(pixels.has(1)) {
- if(FLAGS & FLAG_START_BIT) {
- writeBit<0>(1);
- writeBytePostWait(D::adjust(pixels.loadAndScale0()));
- writeBytePostWait(D::adjust(pixels.loadAndScale1()));
- writeBytePostWait(D::adjust(pixels.loadAndScale2()));
- } else {
- writeByte(D::adjust(pixels.loadAndScale0()));
- writeByte(D::adjust(pixels.loadAndScale1()));
- writeByte(D::adjust(pixels.loadAndScale2()));
- }
-
- pixels.advanceData();
- pixels.stepDithering();
- }
- D::postBlock(len);
- waitFully();
- release();
- }
- };
-
- #endif
-
-
- #if defined(SPSR)
-
- //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
- //
- // Hardware SPI support using SPDR registers and friends
- //
- // Technically speaking, this uses the AVR SPI registers. This will work on the Teensy 3.0 because Paul made a set of compatability
- // classes that map the AVR SPI registers to ARM's, however this caps the performance of output.
- //
- // TODO: implement ARMHardwareSPIOutput
- //
- //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-
- template <uint8_t _DATA_PIN, uint8_t _CLOCK_PIN, uint32_t _SPI_CLOCK_DIVIDER>
- class AVRHardwareSPIOutput {
- Selectable *m_pSelect;
- bool mWait;
- public:
- AVRHardwareSPIOutput() { m_pSelect = NULL; mWait = false;}
- AVRHardwareSPIOutput(Selectable *pSelect) { m_pSelect = pSelect; }
- void setSelect(Selectable *pSelect) { m_pSelect = pSelect; }
-
- void setSPIRate() {
- SPCR &= ~ ( (1<<SPR1) | (1<<SPR0) ); // clear out the prescalar bits
-
- bool b2x = false;
-
- if(_SPI_CLOCK_DIVIDER >= 128) { SPCR |= (1<<SPR1); SPCR |= (1<<SPR0); }
- else if(_SPI_CLOCK_DIVIDER >= 64) { SPCR |= (1<<SPR1);}
- else if(_SPI_CLOCK_DIVIDER >= 32) { SPCR |= (1<<SPR1); b2x = true; }
- else if(_SPI_CLOCK_DIVIDER >= 16) { SPCR |= (1<<SPR0); }
- else if(_SPI_CLOCK_DIVIDER >= 8) { SPCR |= (1<<SPR0); b2x = true; }
- else if(_SPI_CLOCK_DIVIDER >= 4) { /* do nothing - default rate */ }
- else { b2x = true; }
-
- if(b2x) { SPSR |= (1<<SPI2X); }
- else { SPSR &= ~ (1<<SPI2X); }
- }
-
- void init() {
- volatile uint8_t clr;
-
- // set the pins to output
- FastPin<_DATA_PIN>::setOutput();
- FastPin<_CLOCK_PIN>::setOutput();
- #ifdef SPI_SELECT
- // Make sure the slave select line is set to output, or arduino will block us
- FastPin<SPI_SELECT>::setOutput();
- FastPin<SPI_SELECT>::lo();
- #endif
-
- SPCR |= ((1<<SPE) | (1<<MSTR) ); // enable SPI as master
- SPCR &= ~ ( (1<<SPR1) | (1<<SPR0) ); // clear out the prescalar bits
-
- clr = SPSR; // clear SPI status register
- clr = SPDR; // clear SPI data register
- clr;
-
- bool b2x = false;
-
- if(_SPI_CLOCK_DIVIDER >= 128) { SPCR |= (1<<SPR1); SPCR |= (1<<SPR0); }
- else if(_SPI_CLOCK_DIVIDER >= 64) { SPCR |= (1<<SPR1);}
- else if(_SPI_CLOCK_DIVIDER >= 32) { SPCR |= (1<<SPR1); b2x = true; }
- else if(_SPI_CLOCK_DIVIDER >= 16) { SPCR |= (1<<SPR0); }
- else if(_SPI_CLOCK_DIVIDER >= 8) { SPCR |= (1<<SPR0); b2x = true; }
- else if(_SPI_CLOCK_DIVIDER >= 4) { /* do nothing - default rate */ }
- else { b2x = true; }
-
- if(b2x) { SPSR |= (1<<SPI2X); }
- else { SPSR &= ~ (1<<SPI2X); }
-
- SPDR=0;
- shouldWait(false);
- release();
- }
-
- static bool shouldWait(bool wait = false) __attribute__((always_inline)) {
- static bool sWait=false;
- if(sWait) { sWait = wait; return true; } else { sWait = wait; return false; }
- // return true;
- }
- static void wait() __attribute__((always_inline)) { if(shouldWait()) { while(!(SPSR & (1<<SPIF))); } }
- static void waitFully() __attribute__((always_inline)) { wait(); }
-
- static void writeWord(uint16_t w) __attribute__((always_inline)) { writeByte(w>>8); writeByte(w&0xFF); }
-
- static void writeByte(uint8_t b) __attribute__((always_inline)) { wait(); SPDR=b; shouldWait(true); }
- static void writeBytePostWait(uint8_t b) __attribute__((always_inline)) { SPDR=b; shouldWait(true); wait(); }
- static void writeByteNoWait(uint8_t b) __attribute__((always_inline)) { SPDR=b; shouldWait(true); }
-
- template <uint8_t BIT> inline static void writeBit(uint8_t b) {
- SPCR &= ~(1 << SPE);
- if(b & (1 << BIT)) {
- FastPin<_DATA_PIN>::hi();
- } else {
- FastPin<_DATA_PIN>::lo();
- }
-
- FastPin<_CLOCK_PIN>::hi();
- FastPin<_CLOCK_PIN>::lo();
- SPCR |= 1 << SPE;
- shouldWait(false);
- }
-
- void enable_pins() {
- SPCR |= ((1<<SPE) | (1<<MSTR) ); // enable SPI as master
- }
-
- void disable_pins() {
- SPCR &= ~(((1<<SPE) | (1<<MSTR) )); // disable SPI
- }
-
- void select() {
- if(m_pSelect != NULL) { m_pSelect->select(); }
- enable_pins();
- setSPIRate();
- }
-
- void release() {
- if(m_pSelect != NULL) { m_pSelect->release(); }
- disable_pins();
- }
-
- static void writeBytesValueRaw(uint8_t value, int len) {
- while(len--) { writeByte(value); }
- }
-
- void writeBytesValue(uint8_t value, int len) {
- //setSPIRate();
- select();
- while(len--) {
- writeByte(value);
- }
- release();
- }
-
- // Write a block of n uint8_ts out
- template <class D> void writeBytes(register uint8_t *data, int len) {
- //setSPIRate();
- uint8_t *end = data + len;
- select();
- while(data != end) {
- // a slight touch of delay here helps optimize the timing of the status register check loop (not used on ARM)
- writeByte(D::adjust(*data++)); delaycycles<3>();
- }
- release();
- }
-
- void writeBytes(register uint8_t *data, int len) { writeBytes<DATA_NOP>(data, len); }
-
- // write a block of uint8_ts out in groups of three. len is the total number of uint8_ts to write out. The template
- // parameters indicate how many uint8_ts to skip at the beginning and/or end of each grouping
- template <uint8_t FLAGS, class D, EOrder RGB_ORDER> void writePixels(PixelController<RGB_ORDER> pixels) {
- //setSPIRate();
- int len = pixels.mLen;
-
- select();
- while(pixels.has(1)) {
- if(FLAGS & FLAG_START_BIT) {
- writeBit<0>(1);
- writeBytePostWait(D::adjust(pixels.loadAndScale0()));
- writeBytePostWait(D::adjust(pixels.loadAndScale1()));
- writeBytePostWait(D::adjust(pixels.loadAndScale2()));
- } else {
- writeByte(D::adjust(pixels.loadAndScale0()));
- writeByte(D::adjust(pixels.loadAndScale1()));
- writeByte(D::adjust(pixels.loadAndScale2()));
- }
-
- pixels.advanceData();
- pixels.stepDithering();
- }
- D::postBlock(len);
- waitFully();
- release();
- }
- };
- #elif defined(SPSR0)
-
- //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
- //
- // Hardware SPI support using SPDR0 registers and friends
- //
- // Technically speaking, this uses the AVR SPI registers. This will work on the Teensy 3.0 because Paul made a set of compatability
- // classes that map the AVR SPI registers to ARM's, however this caps the performance of output.
- //
- // TODO: implement ARMHardwareSPIOutput
- //
- //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-
- template <uint8_t _DATA_PIN, uint8_t _CLOCK_PIN, uint32_t _SPI_CLOCK_DIVIDER>
- class AVRHardwareSPIOutput {
- Selectable *m_pSelect;
- bool mWait;
- public:
- AVRHardwareSPIOutput() { m_pSelect = NULL; mWait = false;}
- AVRHardwareSPIOutput(Selectable *pSelect) { m_pSelect = pSelect; }
- void setSelect(Selectable *pSelect) { m_pSelect = pSelect; }
-
- void setSPIRate() {
- SPCR0 &= ~ ( (1<<SPR10) | (1<<SPR0) ); // clear out the prescalar bits
-
- bool b2x = false;
-
- if(_SPI_CLOCK_DIVIDER >= 128) { SPCR0 |= (1<<SPR1); SPCR0 |= (1<<SPR0); }
- else if(_SPI_CLOCK_DIVIDER >= 64) { SPCR0 |= (1<<SPR1);}
- else if(_SPI_CLOCK_DIVIDER >= 32) { SPCR0 |= (1<<SPR1); b2x = true; }
- else if(_SPI_CLOCK_DIVIDER >= 16) { SPCR0 |= (1<<SPR0); }
- else if(_SPI_CLOCK_DIVIDER >= 8) { SPCR0 |= (1<<SPR0); b2x = true; }
- else if(_SPI_CLOCK_DIVIDER >= 4) { /* do nothing - default rate */ }
- else { b2x = true; }
-
- if(b2x) { SPSR0 |= (1<<SPI2X); }
- else { SPSR0 &= ~ (1<<SPI2X); }
- }
-
- void init() {
- volatile uint8_t clr;
-
- // set the pins to output
- FastPin<_DATA_PIN>::setOutput();
- FastPin<_CLOCK_PIN>::setOutput();
- #ifdef SPI_SELECT
- // Make sure the slave select line is set to output, or arduino will block us
- FastPin<SPI_SELECT>::setOutput();
- FastPin<SPI_SELECT>::lo();
- #endif
-
- SPCR0 |= ((1<<SPE) | (1<<MSTR) ); // enable SPI as master
- SPCR0 &= ~ ( (1<<SPR1) | (1<<SPR0) ); // clear out the prescalar bits
-
- clr = SPSR0; // clear SPI status register
- clr = SPDR0; // clear SPI data register
- clr;
-
- bool b2x = false;
-
- if(_SPI_CLOCK_DIVIDER >= 128) { SPCR0 |= (1<<SPR1); SPCR0 |= (1<<SPR0); }
- else if(_SPI_CLOCK_DIVIDER >= 64) { SPCR0 |= (1<<SPR1);}
- else if(_SPI_CLOCK_DIVIDER >= 32) { SPCR0 |= (1<<SPR1); b2x = true; }
- else if(_SPI_CLOCK_DIVIDER >= 16) { SPCR0 |= (1<<SPR0); }
- else if(_SPI_CLOCK_DIVIDER >= 8) { SPCR0 |= (1<<SPR0); b2x = true; }
- else if(_SPI_CLOCK_DIVIDER >= 4) { /* do nothing - default rate */ }
- else { b2x = true; }
-
- if(b2x) { SPSR0 |= (1<<SPI2X); }
- else { SPSR0 &= ~ (1<<SPI2X); }
-
- SPDR0=0;
- shouldWait(false);
- release();
- }
-
- static bool shouldWait(bool wait = false) __attribute__((always_inline)) {
- static bool sWait=false;
- if(sWait) { sWait = wait; return true; } else { sWait = wait; return false; }
- // return true;
- }
- static void wait() __attribute__((always_inline)) { if(shouldWait()) { while(!(SPSR0 & (1<<SPIF))); } }
- static void waitFully() __attribute__((always_inline)) { wait(); }
-
- static void writeWord(uint16_t w) __attribute__((always_inline)) { writeByte(w>>8); writeByte(w&0xFF); }
-
- static void writeByte(uint8_t b) __attribute__((always_inline)) { wait(); SPDR0=b; shouldWait(true); }
- static void writeBytePostWait(uint8_t b) __attribute__((always_inline)) { SPDR0=b; shouldWait(true); wait(); }
- static void writeByteNoWait(uint8_t b) __attribute__((always_inline)) { SPDR0=b; shouldWait(true); }
-
- template <uint8_t BIT> inline static void writeBit(uint8_t b) {
- SPCR0 &= ~(1 << SPE);
- if(b & (1 << BIT)) {
- FastPin<_DATA_PIN>::hi();
- } else {
- FastPin<_DATA_PIN>::lo();
- }
-
- FastPin<_CLOCK_PIN>::hi();
- FastPin<_CLOCK_PIN>::lo();
- SPCR0 |= 1 << SPE;
- shouldWait(false);
- }
-
- void enable_pins() {
- SPCR0 |= ((1<<SPE) | (1<<MSTR) ); // enable SPI as master
- }
-
- void disable_pins() {
- SPCR0 &= ~(((1<<SPE) | (1<<MSTR) )); // disable SPI
- }
-
- void select() {
- if(m_pSelect != NULL) { m_pSelect->select(); }
- enable_pins();
- setSPIRate();
- }
-
- void release() {
- if(m_pSelect != NULL) { m_pSelect->release(); }
- disable_pins();
- }
-
- static void writeBytesValueRaw(uint8_t value, int len) {
- while(len--) { writeByte(value); }
- }
-
- void writeBytesValue(uint8_t value, int len) {
- //setSPIRate();
- select();
- while(len--) {
- writeByte(value);
- }
- release();
- }
-
- // Write a block of n uint8_ts out
- template <class D> void writeBytes(register uint8_t *data, int len) {
- //setSPIRate();
- uint8_t *end = data + len;
- select();
- while(data != end) {
- // a slight touch of delay here helps optimize the timing of the status register check loop (not used on ARM)
- writeByte(D::adjust(*data++)); delaycycles<3>();
- }
- release();
- }
-
- void writeBytes(register uint8_t *data, int len) { writeBytes<DATA_NOP>(data, len); }
-
- // write a block of uint8_ts out in groups of three. len is the total number of uint8_ts to write out. The template
- // parameters indicate how many uint8_ts to skip at the beginning and/or end of each grouping
- template <uint8_t FLAGS, class D, EOrder RGB_ORDER> void writePixels(PixelController<RGB_ORDER> pixels) {
- //setSPIRate();
- int len = pixels.mLen;
-
- select();
- while(pixels.has(1)) {
- if(FLAGS & FLAG_START_BIT) {
- writeBit<0>(1);
- writeBytePostWait(D::adjust(pixels.loadAndScale0()));
- writeBytePostWait(D::adjust(pixels.loadAndScale1()));
- writeBytePostWait(D::adjust(pixels.loadAndScale2()));
- } else {
- writeByte(D::adjust(pixels.loadAndScale0()));
- writeByte(D::adjust(pixels.loadAndScale1()));
- writeByte(D::adjust(pixels.loadAndScale2()));
- }
-
- pixels.advanceData();
- pixels.stepDithering();
- }
- D::postBlock(len);
- waitFully();
- release();
- }
- };
- #endif
-
- #else
- // #define FASTLED_FORCE_SOFTWARE_SPI
- #endif
-
- FASTLED_NAMESPACE_END;
-
-
- #endif
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