#ifndef SPI_H
  #define SPI_H
  
  int configureSpi(char *device);
  uint16_t transfer(int fd, uint16_t valeur, int truc);
  uint8_t spi_put(int fd, uint8_t valeur);
  uint8_t spi_put_multiple(int fd, uint8_t *tx, uint16_t tx_size,
  						uint8_t *rx, uint16_t rx_size);
  void setMode(int fd, uint8_t mode);
  uint8_t tr2(int fd, uint8_t val);
  uint8_t tr3(int fd, uint8_t *val, uint8_t *rx, uint8_t size);
  int configureSpiFromFd (int fd);
  #endif				/*SPI_H */