FPM-IOT-CLOUD-MIDDLEWARE

The middleware for fpm-iot-cloud.

Support the tcp/nb network protocol for devices connect the cloud.

Transform the data from tcp/nb to the fpm-iot-cloud-mqtt server.

Data Define

Data Flow From Device <=> Server

the data should be a Buffer array with hex .

It must be 25b < length < 64kb Such as:

// The hex data
/*
----------------------------------------------------------------------------------------------------------------
| - VID  | - UID |  ProjectID  |          NBID           |      SN      | FN | EXTRA |      DATA...    |  CRC  |
--------------------------------------------------------------------------------------------------------------
| - 1B - | - 3B  | ---- 4B --- | --------  8B ---------- | ---- 4B ---- | 1B | - 2B -| ----- ?B ------ | - 2B  |
--------------------------------------------------------------------------------------------------------------
                                                         |  ----------------   Origin DATA   ----------------  |
----------------------------------------------------------------------------------------------------------------

*/

### make ssl cert

```bash
$ openssl genrsa -out privatekey.pem 1024
$ openssl req -new -key privatekey.pem -out certrequest.csr 
$ openssl x509 -req -in certrequest.csr -signkey privatekey.pem -days 5480 -out certificate.pem

subject=C = CN, ST = JiangSu, L = YZ, O = yunplus.io, CN = *.yunplus.io, emailAddress = support@yunplus.io

• CN
• JiangSu
• YZ
• yunplus.io
• *.yunplus.io
• support@yunplus.io