SPI_IDLE
response.command_id = SPI_IDLE;
memset(command, SPI_IDLE, 6);
(cas_ctl->tx_in_buf[0] == SPI_IDLE &&
if (cas_ctl->tx_buf[0] == SPI_IDLE) {
cas_ctl->tx_in_buf[0] != SPI_IDLE &&
memset(cas_ctl->tx_buf, SPI_IDLE, CA8210_SPI_BUF_SIZE);
memset(cas_ctl->tx_in_buf, SPI_IDLE, CA8210_SPI_BUF_SIZE);