Differences

This shows you the differences between two versions of the page.

--- d-star:data [2018/11/15 19:02] – [Mini header] f4hof
+++ d-star:data [2018/11/15 19:12] – [Mini header] f4hof
@@ Line 1: / Line 1: @@
 ====== Data frames in D-Star ======
+====== Data Frames in D-Star ======
 ===== Mini header =====
 ^ Value ^ Scope ^ Usage ^ Remarks ^
@@ Line 7: / Line 9: @@
 |  3X  |  1~5  | Simple data communication | Data communication of D-PRS used for character transfer of user's data communication such as PC-handled simple data communication. The range indicates the number of valid characters per block. |
 |  4X  |  0~3  | Message function | Use it for messages handled by radio unit alone. Only the message function indicates the data block number |
 |  5X  |  2  | Wireless header retransmission | |
 |  6X  | | Reserved | Except for 66 |
 |  66  | | Null packet | Padding data frame |
@@ Line 18: / Line 20: @@
 |  EX  | | Reserved | |
 |  FX  | | Reserved | |
+For 8x and 9x, refer to the chapter related to Fast Data.
+===== Simple data =====
+When communicating using simple data communication, the following characters can not be used:
+  * 0x00
+  * 0x11 (XON)
+  * 0x13 (XOFF)
+  * 0x76 (Used for packet loss notification)
+  * 0x84 (Used for packet loss notification)
+  * 0xE7 (Used for packet loss notification)
+  * 0xFE
+Note: Handle as packet loss when the data frame is the following string "0xE7, 0x84, 0x76" and the voice frame is the silence pattern "0x9E, 0x8D, 0x32, 0x88, 0x26, 0x1A, 0x3F, 0x61, 0xE8" It can not be used. (See "Packet loss").
+Example of data configuration on the transmitting side / receiving side when transferring user's data communication by simple data communication