spike_prepare_spi_message

gistfile1.txt

static void spike_prepare_spi_message(void)
{
	spi_message_init(&spike_ctl.msg);

	/* put some changing values in tx_buff for testing */	
	spike_ctl.tx_buff[0] = spike_dev.test_data++;
	spike_ctl.tx_buff[1] = spike_dev.test_data++;
	spike_ctl.tx_buff[2] = spike_dev.test_data++;
	spike_ctl.tx_buff[3] = spike_dev.test_data++;

	memset(spike_ctl.rx_buff, 0, SPI_BUFF_SIZE);

	spike_ctl.transfer.tx_buf = spike_ctl.tx_buff;
	spike_ctl.transfer.rx_buf = spike_ctl.rx_buff;
	spike_ctl.transfer.len = 4;

	spi_message_add_tail(&spike_ctl.transfer, &spike_ctl.msg);
}