spi_dev_t * dev;

#if !CONFIG_DISABLE_HAL_LOCKS

xSemaphoreHandle lock;

#endif

uint8_t num;

public:

inline PxMATRIX(uint16_t width, uint16_t height,uint8_t LATCH, uint8_t OE, uint8_t A,uint8_t B);

inline PxMATRIX(uint16_t width, uint16_t height,uint8_t LATCH, uint8_t OE, uint8_t A,uint8_t B,uint8_t C);

inline PxMATRIX(uint16_t width, uint16_t height,uint8_t LATCH, uint8_t OE, uint8_t A,uint8_t B,uint8_t C,uint8_t D);

inline PxMATRIX(uint16_t width, uint16_t height,uint8_t LATCH, uint8_t OE, uint8_t A,uint8_t B,uint8_t C,uint8_t D,uint8_t E);

inline void begin(uint8_t row_pattern, uint8_t CLK, uint8_t MOSI, uint8_t MISO, uint8_t SS);

inline void begin(uint8_t row_pattern);

inline void begin();

inline void clearDisplay(void);

inline void clearDisplay(bool selected_buffer);

// Updates the display

inline void display(uint16_t show_time);

inline void display();

// Draw pixels

inline void drawPixelRGB565(int16_t x, int16_t y, uint16_t color);

inline void drawPixel(int16_t x, int16_t y, uint16_t color);

inline void drawPixelRGB888(int16_t x, int16_t y, uint8_t r, uint8_t g,uint8_t b);

// Does nothing for now (always returns 0)

uint8_t getPixel(int8_t x, int8_t y);

// Converts RGB888 to RGB565

uint16_t color565(uint8_t r, uint8_t g, uint8_t b);

// Helpful for debugging (place in display update loop)

inline void displayTestPattern(uint16_t showtime);

// Helpful for debugging (place in display update loop)

inline void displayTestPixel(uint16_t show_time);

// FLush the buffer of the display

inline void flushDisplay();

// Rotate display

inline void setRotate(bool rotate);

// Flip display

inline void setFlip(bool flip);

// Helps to reduce display update latency on larger displays

inline void setFastUpdate(bool fast_update);

// When using double buffering, this displays the draw buffer

inline void showBuffer();

#ifdef PxMATRIX_DOUBLE_BUFFER

// This copies the display buffer to the drawing buffer (or reverse)

inline void copyBuffer(bool reverse);

#endif

// Control the minimum color values that result in an active pixel

inline void setColorOffset(uint8_t r, uint8_t g,uint8_t b);

// Set the multiplex implemention {BINARY, STRAIGHT, SHIFTREG} (default is BINARY)

inline void setMuxPattern(mux_patterns mux_pattern);

// Set the color order

inline void setColorOrder(color_orders color_order);

// Set the time in microseconds that we pause after selecting each mux channel

// (May help if some rows are missing / the mux chip is too slow)

inline void setMuxDelay(uint8_t mux_delay_A, uint8_t mux_delay_B, uint8_t mux_delay_C, uint8_t mux_delay_D, uint8_t mux_delay_E);

// Set the multiplex pattern {LINE, ZIGZAG, ZAGGIZ, WZAGZIG, VZAG, WZAGZIG2} (default is LINE)

inline void setScanPattern(scan_patterns scan_pattern);

// Set the block pattern {ABCD, DBCA} (default is ABCD)

inline void setBlockPattern(block_patterns block_pattern);

// Set the number of panels that make up the display area width (default is 1)

inline void setPanelsWidth(uint8_t panels);

// Set the brightness of the panels (default is 255)

inline void setBrightness(uint8_t brightness);

// Set driver chip type

inline void setDriverChip(driver_chips driver_chip);

private:

// the display buffer for the LED matrix

uint8_t *PxMATRIX_buffer;

#ifdef PxMATRIX_DOUBLE_BUFFER

uint8_t *PxMATRIX_buffer2;

#endif

// GPIO pins

uint8_t _LATCH_PIN;

uint8_t _OE_PIN;

uint8_t _A_PIN;

uint8_t _B_PIN;

uint8_t _C_PIN;

uint8_t _D_PIN;

uint8_t _E_PIN;

// SPI pins

uint8_t _SPI_CLK = SPI_BUS_CLK;

uint8_t _SPI_MOSI = SPI_BUS_MOSI;

uint8_t _SPI_MISO = SPI_BUS_MISO;

uint8_t _SPI_SS = SPI_BUS_SS;

uint16_t _width;

uint16_t _height;

uint8_t _panels_width;

uint8_t _rows_per_buffer;

uint8_t _row_sets_per_buffer;

uint8_t _panel_width_bytes;

// Color offset

uint8_t _color_R_offset;

uint8_t _color_G_offset;

uint8_t _color_B_offset;

// Panel Brightness

uint8_t _brightness;

// Color pattern that is pushed to the display

uint8_t _display_color;

// Holds some pre-computed values for faster pixel drawing

uint32_t *_row_offset;

// Holds the display row pattern type

uint8_t _row_pattern;

// Number of bytes in one color

uint8_t _pattern_color_bytes;

// Total number of bytes that is pushed to the display at a time

// 3 * _pattern_color_bytes

uint16_t _buffer_size;

uint16_t _send_buffer_size;

// This is for double buffering

bool _active_buffer;

// Display and color engine

bool _rotate;

bool _flip;

bool _fast_update;

// Holds multiplex pattern

mux_patterns _mux_pattern;

//Holdes the color order

color_orders _color_order;

uint8_t _mux_delay_A;

uint8_t _mux_delay_B;

uint8_t _mux_delay_C;

uint8_t _mux_delay_D;

uint8_t _mux_delay_E;

// Holds the scan pattern

scan_patterns _scan_pattern;

// Holds the block pattern

block_patterns _block_pattern;

// Holds the used driver chip

driver_chips _driver_chip;

// Used for test pattern

uint16_t _test_pixel_counter;

uint16_t _test_line_counter;

unsigned long _test_last_call;

// Generic function that draw one pixel

inline void fillMatrixBuffer(int16_t x, int16_t y, uint8_t r, uint8_t g,uint8_t b, bool selected_buffer);

// Init code common to both constructors

inline void init(uint16_t width, uint16_t height ,uint8_t LATCH, uint8_t OE, uint8_t A,uint8_t B);

// Light up LEDs and hold for show_time microseconds

inline void latch(uint16_t show_time );

// Set row multiplexer

inline void set_mux(uint8_t value, bool random_access);

inline void spi_init();

// Write configuration register in some driver chips

inline void writeRegister(uint16_t reg_value, uint8_t reg_position);

inline void fm612xWriteRegister(uint16_t reg_value, uint8_t reg_position);

_LATCH_PIN = LATCH;

_OE_PIN = OE;

_display_color=0;

_A_PIN = A;

_B_PIN = B;

_width = width;

_height = height;

_buffer_size = (_width*_height * 3 / 8);

_brightness=255;

_panels_width = 1;

_rows_per_buffer = _height/2;

_panel_width_bytes = (_width/_panels_width)/8;

_active_buffer=false;

_color_R_offset=0;

_color_G_offset=0;

_color_B_offset=0;

_test_last_call=0;

_test_pixel_counter=0;

_test_line_counter=0;

_rotate=0;

_flip=0;

_fast_update=0;

_row_pattern=0;

_scan_pattern=LINE;

_block_pattern=ABCD;

_driver_chip=SHIFT;

_mux_delay_A=0;

_mux_delay_B=0;

_mux_delay_C=0;

_mux_delay_D=0;

_mux_delay_E=0;

PxMATRIX_buffer= new uint8_t[PxMATRIX_COLOR_DEPTH*_buffer_size];

#ifdef PxMATRIX_DOUBLE_BUFFER

PxMATRIX_buffer2=new uint8_t[PxMATRIX_COLOR_DEPTH*_buffer_size];

#endif

{

spi_t * spi = SPI.bus();

// reg_value = 0x1234; debug

for(int i=0; i<47; i )

SPI_2BYTE(reg_value);

spiSimpleTransaction(spi);

spi->dev->mosi_dlen.usr_mosi_dbitlen = 16-reg_position-1;

spi->dev->miso_dlen.usr_miso_dbitlen = 0;

spi->dev->data_buf[0] = reg_value>>8;

spi->dev->cmd.usr = 1;

while(spi->dev->cmd.usr);

GPIO_REG_SET(1 << _LATCH_PIN);

spi->dev->mosi_dlen.usr_mosi_dbitlen = (reg_position-8)-1;

spi->dev->data_buf[0] = reg_value>>(reg_position-8);

spi->dev->cmd.usr = 1;

while(spi->dev->cmd.usr);

spiEndTransaction(spi);

SPI_BYTE(reg_value&0xff);

GPIO_REG_CLEAR(1 << _LATCH_PIN);

{

if (_driver_chip == FM6124 || _driver_chip == FM6126A){

if (_driver_chip == FM6124) {

Serial.println("\nFM6124 - REG: " String(reg_position));

} else {

Serial.println("\nFM6126A - REG: " String(reg_position));

}

// All FM6126A code is based on the excellent guesswork by shades66 in https://github.com/hzeller/rpi-rgb-led-matrix/issues/746

// Register 12 - brightness/gain settings, three 6bit values, aaaaaabbbbbbcccccc a= darkness?

// seems to add red to the background when the leds are off, b=main brightness c=finer brightness

// (i'm not sure if b & c are actually as 12 bit value but with b set to all 1's the value in c doesn't seem to make much difference)

// Register 13 - not sure what it's doing yet, just that 1 specific bit within seems to be an overall enable function.

// Now set all the values at the top to the same value for each of register 12/13 to get the same settings across the panel, the current code loads different settings into each 32 columns.

// clocking in the register is simply clocking in the value (i've 2 panels so 128bits of data) and for the last 12/13 bits depending on the register setting the latch to high. the final drop of latch to low clocks in the configuration. this is done by sending the same value to r1/r2/g1/g2/b1/b2 at the same time to load the config into all the FM6126 chips

// Some necessary magic bit fields

// b12 - 1 adds red tinge

// b12 - 9/8/7/6/5 = 4 bit brightness

// b13 - 9 =1 screen on

// b13 - 6 =1 screen off

pinMode(_SPI_CLK,OUTPUT);

pinMode(_SPI_MOSI,OUTPUT);

digitalWrite(_SPI_CLK,HIGH); // CCK LOW

digitalWrite(_OE_PIN,LOW);

digitalWrite(_LATCH_PIN,HIGH);

digitalWrite(_A_PIN,HIGH);

digitalWrite(_B_PIN,LOW);

digitalWrite(_C_PIN,LOW);

digitalWrite(_D_PIN,LOW);

uint8_t reg_bit=0;

for (uint32_t bit_counter=0; bit_counter < _send_buffer_size*8; bit_counter )

{

reg_bit=bit_counter;

if ((reg_value>>reg_bit)&1)

digitalWrite(_SPI_MOSI,HIGH);

else

digitalWrite(_SPI_MOSI,LOW);

delay(1);

digitalWrite(_SPI_CLK,LOW); // CLK HIGH

delay(1);

digitalWrite(_SPI_CLK,HIGH); // CLK LOW

delay(1);

if ((bit_counter == (_send_buffer_size*8 - reg_position-1)))

{

digitalWrite(_LATCH_PIN,LOW);

}

}

digitalWrite(_LATCH_PIN,HIGH);

}

digitalWrite(_OE_PIN,HIGH);

{

_driver_chip=driver_chip;

if (driver_chip == FM6124 || driver_chip == FM6126A){

uint16_t b12a=0b0111111111111111; //亮度: high

b12a=0b0111100011111111; //亮度: low

// uint16_t b12b=0b0111100000111111;

// uint16_t b12c=0b0111111111111111;

// uint16_t b12d=0b0111100000111111;

uint16_t b13a=0b0000000001000000;

// uint16_t b13b=0b0000000001000000;

// uint16_t b13c=0b0000000001000000;

// uint16_t b13d=0b0000000001000000;

#ifdef ESP32

pinMode(_OE_PIN, OUTPUT);

pinMode(_LATCH_PIN, OUTPUT);

digitalWrite(_OE_PIN, HIGH);

pinMode(_LATCH_PIN, LOW);

fm612xWriteRegister(b12a,11);

fm612xWriteRegister(b13a,12);

#else

writeRegister(b12a, 12);

writeRegister(b13a, 13);

#endif

}

{

_mux_pattern=mux_pattern;

// We handle the multiplexing in the library and activate one of for

// row drivers --> need A,B,C,D pins

if (_mux_pattern==STRAIGHT)

{

pinMode(_C_PIN, OUTPUT);

pinMode(_D_PIN, OUTPUT);

}

if (_mux_pattern==SHIFTREG_SPI_SE)

{

pinMode(_B_PIN, OUTPUT); // B is used as /Enable for row mux

digitalWrite(_B_PIN,LOW); // Enable output of row mux

}

if (_mux_pattern==SHIFTREG_ABC)

{

pinMode(_A_PIN, OUTPUT); // A is used as MUX_CLK

pinMode(_B_PIN, OUTPUT); // B is used as MUX_ENABLE

pinMode(_C_PIN, OUTPUT); // C is used as MUX_DATA

digitalWrite(_B_PIN,LOW); // Enable output of row mux

}

if (_mux_pattern==SHIFTREG_ABC_BIN_DE)

{

pinMode(_A_PIN, OUTPUT); // A is used as MUX_CLK

pinMode(_B_PIN, OUTPUT); // B is used as MUX_DATA

pinMode(_C_PIN, OUTPUT); // C is used as MUX_ENABLE

pinMode(_D_PIN, OUTPUT); // D is 4th bit of row

pinMode(_E_PIN, OUTPUT); // E is 5th bit of row

digitalWrite(_C_PIN,LOW); // Enable output of row mux

}

{

_mux_delay_A=mux_delay_A;

_mux_delay_B=mux_delay_B;

_mux_delay_C=mux_delay_C;

_mux_delay_D=mux_delay_D;

_mux_delay_E=mux_delay_E;

{

_C_PIN = C;

init(width, height, LATCH, OE, A, B);

{

_C_PIN = C;

_D_PIN = D;

init(width, height, LATCH, OE, A, B);

{

_C_PIN = C;

_D_PIN = D;

_E_PIN = E;

init(width, height, LATCH, OE, A, B);

// This copies the display buffer to the drawing buffer (or reverse)

// You may need this in case you rely on the framebuffer to always contain the last frame

// _active_buffer = true means that PxMATRIX_buffer2 is displayed

if(_active_buffer ^ reverse) {

memcpy(PxMATRIX_buffer, PxMATRIX_buffer2, PxMATRIX_COLOR_DEPTH*_buffer_size);

} else {

memcpy(PxMATRIX_buffer2, PxMATRIX_buffer, PxMATRIX_COLOR_DEPTH*_buffer_size);

}

{

_color_R_offset=r;

_color_G_offset=g;

_color_B_offset=b;

{

if (r>_color_R_offset)

r-=_color_R_offset;

else

r=0;

if (g>_color_G_offset)

g-=_color_G_offset;

else

g=0;

if (b>_color_B_offset)

b-=_color_B_offset;

else

b=0;

if (_block_pattern==DBCA)

{

// Every matrix is segmented in 8 blocks - 2 in X, 4 in Y direction

// |AB|

// |CD|

// |AB|

// |CD|

// Have to rewrite this block suff and move to the scan pattern section - this will only work for chaining up to 2 panels

if (_panels_width>1) // Only works for two panels

{

if ((x>=_width/4) && (x<_width/2))

x =_width/4;

else if ((x>=_width/2) && (x<_width*3/4))

x-=_width/4;

}

uint16_t y_block = y*4/_height;

uint16_t x_block = x*2*_panels_width/_width;

// Swapping A & D

if (!(y_block%2)) // Even y block

{

if (!(x_block%2)) // Left side of panel

{

x =_width/2/_panels_width;

y =_height/4;

}

}

else // Odd y block

{

if (x_block%2) // Right side of panel

{

x-=_width/2/_panels_width;

y-=_height/4;

}

}

}

if (_rotate){

uint16_t temp_x=x;

x=y;

y=_height-1-temp_x;

}

// Panels are naturally flipped

if (!_flip)

x =_width - 1 -x;

if ((x < 0) || (x >= _width) || (y < 0) || (y >= _height))

return;

if (_color_order!= RRGGBB)

{

uint8_t r_temp=r;

uint8_t g_temp=g;

uint8_t b_temp=b;

switch (_color_order)

{

case (RRGGBB): break;

case (RRBBGG): g=b_temp; b=g_temp; break;

case (GGRRBB): r=g_temp; g=r_temp; break;

case (GGBBRR): r=g_temp; g=b_temp; b=r_temp; break;

case (BBRRGG): r=b_temp; g=r_temp; b=g_temp; break;

case (BBGGRR): r=b_temp; g=g_temp; b=r_temp; break;

}

}

uint32_t base_offset;

uint32_t total_offset_r=0;

uint32_t total_offset_g=0;

uint32_t total_offset_b=0;

if (_scan_pattern==WZAGZIG || _scan_pattern==VZAG || _scan_pattern==WZAGZIG2)

{

// get block coordinates and constraints

uint8_t rows_per_buffer = _height/2;

uint8_t rows_per_block = rows_per_buffer/2;

// this is a defining characteristic of WZAGZIG and VZAG:

// two byte alternating chunks bottom up for WZAGZIG

// two byte up down down up for VZAG

uint8_t cols_per_block = 16;

uint8_t panel_width = _width/_panels_width;

uint8_t blocks_x_per_panel = panel_width/cols_per_block;

uint8_t panel_index = x/panel_width;

// strip down to single panel coordinates, restored later using panel_index

x = x%panel_width;

uint8_t base_y_offset = y/rows_per_buffer;

uint8_t buffer_y = y%rows_per_buffer;

uint8_t block_x = x/cols_per_block;

uint8_t block_x_mod = x%cols_per_block;

uint8_t block_y = buffer_y/rows_per_block; // can only be 0/1 for height/pattern=4

uint8_t block_y_mod = buffer_y%rows_per_block;

// translate block address to new block address

// invert block_y so remaining translation will be more sane

uint8_t block_y_inv = 1 - block_y;

uint8_t block_x_inv = blocks_x_per_panel - block_x - 1;

uint8_t block_linear_index;

if (_scan_pattern==WZAGZIG2) {

block_linear_index = block_x_inv * 2 block_y;

}

else if (_scan_pattern==WZAGZIG)

{

// apply x/y block transform for WZAGZIG, only works for height/pattern=4

block_linear_index = block_x_inv * 2 block_y_inv;

}

else if (_scan_pattern==VZAG)

{

// apply x/y block transform for VZAG, only works for height/pattern=4 and 32x32 panels until a larger example is found

block_linear_index = block_x_inv * 3 * block_y block_y_inv * (block_x_inv 1);

}

// render block linear index back into normal coordinates

uint8_t new_block_x = block_linear_index % blocks_x_per_panel;

uint8_t new_block_y = 1 - block_linear_index/blocks_x_per_panel;

x = new_block_x * cols_per_block block_x_mod panel_index * panel_width;

y = new_block_y * rows_per_block block_y_mod base_y_offset * rows_per_buffer;

}

// This code sections computes the byte in the buffer that will be manipulated.

if (_scan_pattern!=LINE && _scan_pattern!=WZAGZIG && _scan_pattern!=VZAG && _scan_pattern!=WZAGZIG2)

{

// Precomputed row offset values

base_offset=_row_offset[y]-(x/8)*2;

uint8_t row_sector=0;

uint16_t row_sector__offset=_width/4;

for (uint8_t yy = 0; yy<_height; yy =2*_row_pattern)

{

if ((yy<=y) && (y<yy _row_pattern))

total_offset_r=base_offset-row_sector__offset*row_sector;

if ((yy _row_pattern<=y) && (y<yy 2*_row_pattern))

total_offset_r=base_offset-row_sector__offset*row_sector;

row_sector ;

}

}

else

{

// can only be non-zero when _height/(2 inputs per panel)/_row_pattern > 1

// i.e.: 32x32 panel with 1/8 scan (A/B/C lines) -> 32/2/8 = 2

uint8_t vert_index_in_buffer = (y%_rows_per_buffer)/_row_pattern; // which set of rows per buffer

// can only ever be 0/1 since there are only ever 2 separate input sets present for this variety of panels (R1G1B1/R2G2B2)

uint8_t which_buffer = y/_rows_per_buffer;

uint8_t x_byte = x/8;

// assumes panels are only ever chained for more width

uint8_t which_panel = x_byte/_panel_width_bytes;

uint8_t in_row_byte_offset = x_byte%_panel_width_bytes;

// this could be pretty easily extended to vertical stacking as well

total_offset_r = _row_offset[y] - in_row_byte_offset - _panel_width_bytes*(_row_sets_per_buffer*(_panels_width*which_buffer which_panel) vert_index_in_buffer);

}

uint8_t bit_select = x%8;

// Normally the bytes in one buffer would be sequencial, e.g.

// 0-1-2-3-

// 0-1-2-3-

// hence the upper and lower row start with [OL|OH].

//

// However some panels have a byte wise row-changing scanning pattern and/or a bit changing pattern that we have to take case of

// For example [1L|1H] [3L|3H] for ZIGZAG or [0L|0H] [2L|2H] for ZAGZIG

// | \ | \ | / | /

// [0L|0H] [2L|2H] [1L|1H] [3L|3H]

//

// For example [0H|1L] [2H|3L] for ZZAGG or [0L|1L] [2L|3L] for ZZIAGG

// | \ | \ | / | /

// [0L|1H] [2L|3H] [0H|1H] [2H|3H]

//

//

// In order to make the pattern start on both rows with [0L|0H] we have to add / subtract values to / from total_offset_r and bit_select

if ((y%(_row_pattern*2))<_row_pattern)

{

// Variant of ZAGZIG pattern with bit oder reversed on lower part (starts on upper part)

if (_scan_pattern==ZAGGIZ)

{

total_offset_r--;

bit_select = 7-bit_select;

}

// Row changing pattern (starts on upper part)

if (_scan_pattern==ZAGZIG)

total_offset_r--;

// Byte split pattern - like ZAGZIG but after every 4 bit (starts on upper part)

if (_scan_pattern == ZZIAGG )

{

if (bit_select>3)

bit_select =4;

else

total_offset_r--;

}

// Byte split pattern (lower part)

if (_scan_pattern==ZZAGG)

if (bit_select>3) total_offset_r--;

}

else

{

if (_scan_pattern==ZIGZAG)

total_offset_r--;

// Byte split pattern - like ZAGZIG but after every 4 bit (starts on upper part)

if (_scan_pattern == ZZIAGG )

{

if (bit_select>3)

{

total_offset_r--;

bit_select -=4;

}

}

// Byte split pattern (upper part)

if (_scan_pattern==ZZAGG)

{

if (bit_select<=3)

bit_select = 4;

else

{

bit_select -=4;

total_offset_r--;

}

}

}

total_offset_g=total_offset_r-_pattern_color_bytes;

total_offset_b=total_offset_g-_pattern_color_bytes;

uint8_t *PxMATRIX_bufferp = PxMATRIX_buffer;

#ifdef PxMATRIX_DOUBLE_BUFFER

PxMATRIX_bufferp = selected_buffer ? PxMATRIX_buffer2 : PxMATRIX_buffer;

#endif

r = r >> (8-PxMATRIX_COLOR_DEPTH);

g = g >> (8-PxMATRIX_COLOR_DEPTH);

b = b >> (8-PxMATRIX_COLOR_DEPTH);

//Color interlacing

for (int this_color_bit=0; this_color_bit<PxMATRIX_COLOR_DEPTH; this_color_bit )

{

if ((r >> this_color_bit) & 0x01)

PxMATRIX_bufferp[this_color_bit*_buffer_size total_offset_r] |=_BV(bit_select);

else

PxMATRIX_bufferp[this_color_bit*_buffer_size total_offset_r] &= ~_BV(bit_select);

if ((g >> this_color_bit) & 0x01)

PxMATRIX_bufferp[this_color_bit*_buffer_size total_offset_g] |=_BV(bit_select);

else

PxMATRIX_bufferp[this_color_bit*_buffer_size total_offset_g] &= ~_BV(bit_select);

if ((b >> this_color_bit) & 0x01)

PxMATRIX_bufferp[this_color_bit*_buffer_size total_offset_b] |=_BV(bit_select);

else

PxMATRIX_bufferp[this_color_bit*_buffer_size total_offset_b] &= ~_BV(bit_select);

}

uint8_t r = ((((color >> 11) & 0x1F) * 527) 23) >> 6;

uint8_t g = ((((color >> 5) & 0x3F) * 259) 33) >> 6;

uint8_t b = (((color & 0x1F) * 527) 23) >> 6;

#ifdef PxMATRIX_DOUBLE_BUFFER

fillMatrixBuffer(x, y, r, g, b, !_active_buffer);

#else

fillMatrixBuffer(x, y, r, g, b, false);

#endif

#ifdef PxMATRIX_DOUBLE_BUFFER

fillMatrixBuffer(x, y, r, g, b, !_active_buffer);

#else

fillMatrixBuffer(x, y, r, g, b, false);

#endif

{

begin(8);

{

_SPI_CLK = CLK;

_SPI_MOSI = MOSI;

_SPI_MISO = MISO;

_SPI_SS = SS;

begin(row_pattern);

#ifdef ESP32

SPI.begin(_SPI_CLK, _SPI_MISO, _SPI_MOSI, _SPI_SS);

#else

SPI.begin();

#endif

#if defined(ESP32) || defined(ESP8266)

SPI.setFrequency(PxMATRIX_SPI_FREQUENCY);

#endif

SPI.setDataMode(SPI_MODE0);

SPI.setBitOrder(MSBFIRST);