bladerf.md

@@ -221,9 +221,21 @@ interface.
 | rate      | double | Set Tx or Rx sample rate - applies to all channels. |
 | bandwidth | double | Set Tx or Rx bandwidth - 0 for default bandwidth.   |
 | tag       | bool   | Tag *bladeRF Source* output with current timestamp. |
-
-
-> **Note:** The *status* port is a work in progress.
+| read_ts   | uint64 | Read Tx or Rx timestamp from FPGA.                  |
+
+The *status* port of a bladeRF block produces messages about error conditions
+occuring within the blocks or responses to command port queries. Messages are
+formatted as PMT pairs in which the first element is a string indicating the
+status and the second element is an optional data value.
+
+| String    | Type   | Description                                             |
+| --------- | ------ |-------------------------------------------------------- |
+| timeout   | n/a    |   Timeout occurred in `bladerf_sync_tx` or `bladerf_sync_rx`. |
+| time_past | n/a    | Requested timestamp is in the past.                     |
+| overrun   | n/a    | Received samples have been dropped.                     |
+| underrun  | n/a    | Transmit samples gap occurred on device.                |
+| tx_time   | uint64 | Transmit timestamp from *read_ts* command.              |
+| rx_time   | uint64 | Receive timestamp from *read_ts* command.               |
 
 ### Stream Tag Interface