[riot-users] Send UDP packet by Xbee

tiago carvalho tiago_carvalho_1 at hotmail.com
Sun Feb 18 11:47:53 CET 2018


Hey guys,

I’m trying to send a UDP packet but the xbee module is not invoked.

I’m using a mbed lpc1768 board with a Xbee radio and the ‘ps’ output is the following:

> ps
        pid | name                 | state    Q | pri | stack ( used) | base       | current
          - | isr_stack            | -        - |   - |   512 (  336) | 0x100000c8 | 0x10000290
          1 | idle                 | pending  Q |  15 |   256 (  128) | 0x1000050c | 0x1000058c
          2 | main                 | running  Q |   7 |  1536 (  732) | 0x1000060c | 0x10000a7c
          3 | pktdump              | bl rx    _ |   6 |  1536 (  236) | 0x10001d58 | 0x1000226c
          4 | 6lo                  | bl rx    _ |   3 |  1024 (  268) | 0x10002358 | 0x1000264c
          5 | ipv6                 | bl rx    _ |   4 |  1024 (  292) | 0x100015f0 | 0x100018cc
          6 | udp                  | bl rx    _ |   5 |  1024 (  484) | 0x100028e4 | 0x10002bdc
          7 | coap                 | bl mbox  _ |   6 |  1024 (  584) | 0x100011ec | 0x100013a4
          8 | xbee                 | bl rx    _ |   2 |  1024 (  540) | 0x10000c6c | 0x10000f74
            | SUM                  |            |     |  8960 ( 3600)

When I try to send a UDP packet using ‘gnrc_netapi_dispatch_send(GNRC_NETTYPE_UDP, GNRC_NETREG_DEMUX_CTX_ALL, ip)’ the invoked pids are, by this order, 6 (udp) and 5 (ipv6). After this, the packet is not transmitted.

Note: Xbee module is working (it transmits information if called directly by UART).

Thanks in advance,
Tiago Carvalho
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