#include <SPI.h>
const uint32_t CS_PIN = D6; // à adapter à votre cablage
const uint8_t DIG0 = 0x01; // ligne 0

void setup() {
  SPISettings cfgSPI(10000000, MSBFIRST, SPI_MODE0);
  uint8_t trame;
  Serial.begin(115200);
  Serial.println("Boot");
  pinMode(CS_PIN, OUTPUT);
  // SPI Transaction: sends the contents of buffer, and overwrites it with the received data
  for(int i = 0;i<8;i++){
    digitalWrite(CS_PIN, LOW);
    SPI.beginTransaction(cfgSPI);
    trame = (DIG0+i) << 4;
    trame |= 0x05;
    SPI.transfer(0x01);
    SPI.transfer(0x80<<i);
    for(int j = 0;j<3;j++){
      SPI.transfer(0x01);
      SPI.transfer(0xFF>>i);
    }

    SPI.endTransaction();
    digitalWrite(CS_PIN, HIGH); // le front montant provoque le verrouillage des données dans
  }
}
void loop() {
// put your main code here, to run repeatedly:
  delay(10); // this speeds up the simulation
}