SPI_IOCTL_TRANSFER
case SPI_IOCTL_TRANSFER:
err = ioctl(fd,SPI_IOCTL_TRANSFER,&spi_t);
err = ioctl(fd,SPI_IOCTL_TRANSFER,&spi_t);
err = ioctl(fd,SPI_IOCTL_TRANSFER,&spi_t);
err = ioctl(fd,SPI_IOCTL_TRANSFER,&spi_t);
err = ioctl(fd,SPI_IOCTL_TRANSFER,&spi_t);
err = ioctl(fd,SPI_IOCTL_TRANSFER,&spi_t);