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cc2538 with cc1200

Other Parts Discussed in Thread: CC2538, CC1200, CC1310

Hi all, I'm trying to recreate the code for communication between a cc2538 and a cc13xx. I bought a Wepteche Gateway and am testing their software. My goal is to communicate with the IBM cloud in both ways. All this I can do with the 6LBR, but when I try to connect with the Gateway, I have these situations:

  1. The device sends the data to the cloud and the communication works. I see real-time data on my ORG-ID dashboard.

  2. I can't communicate from the cloud to the device. Messages start, but they don't come. On the Gateway serial I have these types of messages:

Contiki-3.x-3341-g80dbe5c
saker
Net : sicslowpan
MAC : nullmac
RDC : nullrdc
RF channel: 25
RF cfg : 802.15.4g 863-870MHz MR-FSK mode #1
EUI-64 (wireless interface):
00:12:4b:00:06:16:0d:cd
MAC addr 02:12:4b:16:0d:cd
IP64: Starting DHCPv4
Requesting IP address......Done:
IPv4 address : 192.168.1.100
netmask : 255.255.255.0
default router: 192.168.1.1
Created a new RPL dag using prefix:
fd4d:4267:5f8c::
IPv6 addresses:
fd4d:4267:5f8c::212:4b00:616:dcd
fe80::212:4b00:616:dcd
RPL border router up and running
Usage statistics:
uptime : 10
neighbors : 0
routes : 0
NAT64 Table:
[fd4d:4267:5f8c::212:4b00:efd:b272]:1026 <- Our Port 10000 -> 159.8.169.212:1883
6to4 lookups: 1, 4to6 lookups: 0, Protocol: 6
RF: Timeout exceeded in line 805!
RF: Assertion failed in line 923
RF: Assertion failed in line 923
RF: TX FIFO error!
RF: Timeout exceeded in line 805!
RF: Assertion failed in line 923
RF: Assertion failed in line 923
RF: TX FIFO error!
RF: Timeout exceeded in line 805!
RF: Assertion failed in line 923
RF: Assertion failed in line 923
RF: TX FIFO error!
RF: Timeout exceeded in line 805!
RF: Assertion failed in line 923
RF: Assertion failed in line 923
RF: TX FIFO error!
NAT64 Table empty.

What could it depend on? are errors located in the communication with the cc1200. Please, can anyone give me directions? Thank you all!