#include <SPI.h>
#define CS PB6

SPIClass* mySPI = new SPIClass (PA7, PA6, PA5);


void setup() {

  mySPI->beginTransaction(CS, SPISettings(10000000, MSBFIRST, SPI_MODE3));

  mySPI->transfer(CS, 0x0C, SPI_CONTINUE);
  mySPI->transfer(CS, 0x01);

  mySPI->transfer(CS, 0x0B, SPI_CONTINUE);
  mySPI->transfer(CS, 0x07);

  mySPI->transfer(CS, 0x09, SPI_CONTINUE);
  mySPI->transfer(CS, 0x00);

  mySPI->transfer(CS, 0x0A, SPI_CONTINUE);
  mySPI->transfer(CS, 0x01);
}


int n = 0;
void loop() {
  uint8_t zeilenmuster [8] = {0x3C, 0x42, 0xA5, 0x81, 0xBD, 0x89, 0x42, 0x3C};

  for (uint8_t i = 0; i<8; i++)
  {
    mySPI->transfer(CS, i+1, SPI_CONTINUE);
    mySPI->transfer(CS, zeilenmuster[i] >> n);
  }
  delay(1000);
  n++;
}