Table of Contents
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THEORY OF OPERATION
WIRELESS COMMUNICATION
The wireless communication between the remote control and the module is made through a radio frequency node. A RF
node is a hardware structure containing a MCU. It operates according to a defined protocol and drives the wireless
transceiver (transmitter + receiver) which allows RF-communications.
The Chattanooga® Revolution Wireless communications are made with a star network where the modules (M) are the
slaves and the remote control (RC) is the single master. Every module communicates only with the master through a RF
node, they do not communicate between each other, even in case of emergency. A network composed with one master
and one or several slaves is called a piconet (P). The diagram below shows two piconets. P1 controls 3 modules and P2 only
1 module.
Figure 3 : Network communication diagram
For the remote, the SPI serial communication interface shall be used to connect the main processing unit that needs to send
and receive information to the RF part which will forward them to the modules.
Figure 4 : Communication protocol diagram
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