RTK_ISR_TIMEOUT_EXPIRED
if (status & (RTK_ISR_TIMEOUT_EXPIRED | RTK_ISR_TX_ERR |
if ((status & (RTK_ISR_TIMEOUT_EXPIRED | RTK_ISR_RX_OK)) ==
(RTK_ISR_TIMEOUT_EXPIRED | RTK_ISR_RX_OK))
RTK_ISR_PCS_TIMEOUT|RTK_ISR_SYSTEM_ERR|RTK_ISR_TIMEOUT_EXPIRED)