could the AVR edition also support the SAMD series?

[kasperv79]

`Compiling 'pixeltime_AVR' for 'Adafruit Feather M4 Express (SAMD51)'

pixeltime_AVR.ino:7: In file included from PxMatrix.h: In member function void PxMATRIX::writeRegister(uint16_t, uint8_t) PxMatrix.h: 471:65: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if ((bit_counter == (_send_buffer_size*8 - reg_position-1))) PxMatrix.h: In member function void PxMATRIX::display(uint16_t)

Error compiling project sources PxMatrix.h: 1070:88: error: 'SPI_TRANSFER' was not declared in this scope Build failed for project 'pixeltime_AVR' SPI_TRANSFER(&(bufferp)[_display_color][i_send_buffer_size],_send_buffer_size)

PxMatrix.h: 1087:82: error: 'SPI_TRANSFER' was not declared in this scope SPI_TRANSFER(&(bufferp)[_display_color][i_send_buffer_size],_send_buffer_size)

PxMatrix.h: 1128:88: error: 'SPI_TRANSFER' was not declared in this scope SPI_TRANSFER(&(bufferp)[_display_color][i_send_buffer_size],_send_buffer_size-1)

PxMatrix.h: 1138:39: error: 'GPIO_REG_SET' was not declared in this scope GPIO_REG_SET( 1 << _SPI_MOSI)

PxMatrix.h: 1140:41: error: 'GPIO_REG_CLEAR' was not declared in this scope GPIO_REG_CLEAR( 1 << _SPI_MOSI)

PxMatrix.h: 1141:36: error: 'GPIO_REG_SET' was not declared in this scope GPIO_REG_SET( 1 << _SPI_CLK)

PxMatrix.h: 1142:38: error: 'GPIO_REG_CLEAR' was not declared in this scope GPIO_REG_CLEAR( 1 << _SPI_CLK) PxMatrix.h: In member function void PxMATRIX::flushDisplay()

PxMatrix.h: 1172:18: error: 'SPI_BYTE' was not declared in this scope SPI_BYTE(0x00) PxMatrix.h: In member function void PxMATRIX::displayTestPattern(uint16_t)

PxMatrix.h: 1181:20: error: 'SPI_BYTE' was not declared in this scope SPI_BYTE(0xFF) PxMatrix.h: In member function void PxMATRIX::displayTestPixel(uint16_t)

PxMatrix.h: 1228:38: error: 'SPI_BYTE' was not declared in this scope SPI_BYTE(1<<_test_pixel_counter%8)`

[2dom]

Don't have access to such an MCU - so not supposed for now - sorry. Wanna give it a shot?