CC3220R: MQTT failed to connect with error

Alex Zhang

Intellectual 1305 points

Part Number: CC3220R

如图所示，SDK使用的版本为5.30.0.08版本，连接MQTT服务器时出现错误码-2005，请问这个错误码代表的是什么意思？我该如何修改我的工程？

1.The routine uses the MQTT Client.

2.Ti routine I have tried, the same parameters can be connected

3.This version is not easy to adjust, I was taking over the code repair BUG

Another problem is that when I use the routine to connect to Onenet, I disconnect directly. I found the feature on the platform and found that there is a serrison that needs to be 1. However, the routine does not find how this parameter is configured

what‘s more，The feature is the clean session tag I said. There is no setting for this parameter in the routine. This parameter is in MQTT.fx. I have tried my MQTT parameter. It is possible to connect directly using MQTT.fx, but after replacing it with the mqtt_client routine, the CC3220 cannot connect to Onenet, so I wonder if it is caused by this parameter.

over 1 year ago

0 Kobi Leibovitch over 1 year ago

TI__Guru 63006 points

Have you called MQTTClient_create before? Did you created a task for the MQTT stack?

-2005 means there was a fatal error.

Have you seen an async fatal event (SimpleLinkFatalErrorEventHandler or SimpleLinkGeneralEventHandler) before this happened?

using clean-connect can be done using: " MQTTClient_set(mqttClient, MQTTClient_CLEAN_CONNECT, &mqttClientParams.cleanConnect, sizeof(mqttClientParams.cleanConnect));"

what is "MQTT.fx"?

Are you saying the original example works for you?

0 Alex Zhang over 1 year ago in reply to Kobi Leibovitch

TI__Intellectual 1305 points

Kobi Leibovitch said:
-2005 means there was a fatal error.

Error instruction document Do you have one? If there are other errors (-2005), where should I go to find the document?

0 Kobi Leibovitch over 1 year ago in reply to Alex Zhang

TI__Guru 63006 points

check the simplelink driver (under source/ti/drivers/net/wifi/) "errors.h".

the only document that may describe some of errors is the NWP programmer's Guide.

0 Alex Zhang over 1 year ago in reply to Kobi Leibovitch

TI__Intellectual 1305 points

Alex Zhang said:
errors (-2005), w

Alex Zhang said:
-2005 means there was a fatal error.

Hi, did you find the (-2005) error you described here?

0 Alex Zhang over 1 year ago in reply to Kobi Leibovitch

TI__Intellectual 1305 points

Kobi Leibovitch said:
the only document that may describe some of errors is the NWP programmer's Guide.

In this document，i haven't found the erro of mqtt about（-2005）

0 Kobi Leibovitch over 1 year ago in reply to Alex Zhang

TI__Guru 63006 points

Not all the error codes are described in the programmer's guide.

The -2005 means that a fatal error happened and thus the command is aborted and it requires NWP or MCU reset. Typically this comes following an invocation of SimpleLinkFatalErrorEventHandler or SimpleLinkGeneralEventHandler - so please check if they were called.