User's Manual
Table Of Contents
- 1. INTRODUCTION
- 2. RS232 SERIAL PROTOCOL PRESENTATION
- 3. setting the internal parameters of the wavecard
- 3.1- Configuration of the functional parameters
- 3.2- Configuration of the control parameters
- 3.2.1 - selection of the radio operating channel when FHSS is deselected
- 3.2.2 - Selection of the RF medium physical mode
- 3.2.3 - Selection of the radio board emission power
- 3.2.4 - Activation of the Wavenis RF Asic RSSI threshold autocorrection
- 3.2.5 - Selection of the serial baudrate.
- 3.2.6 - Reading the firmware version of the WaveCard
- 3.2.7 - Reading the RSSI level (Received Signal Strengh Indicator)
- 3.2.8 - TEST Mode
- 4. SERVICE COMMANDS
- 5. COMMUNICATION MODES
- 5.1- 'Frame Exchange’ Mode
- 5.2- 'Message’ Mode
- 5.3- ’Polling’ Mode
- 5.4- ’Broadcast’ mode
- 5.4.1 - Configuration of the parameters relating to the 'Broadcast' mode
- 5.4.2 - 'BroadCast' mode without waiting for a response
- 5.4.3 - 'BroadCast' mode with waiting for responses
- 5.4.4 - Format of the commands – from the request transmitter side
- 5.4.5 - Format of the commands – from the request receiver side
- 5.4.6 - Use of the selective, or not-selective broadcast mode
- 5.5- ’Multi frames' Mode
Document : WCAMODHEL.sxw
5.5- ’Multi frames' Mode
Multi frame mode allows multi frame exchange between the Wavecard/Waveport (considered like the master
of the exchange) and one of the telemetry equipments of the Coronis Systems product family ( WaveTherm,
WaveFlow, WaveSens, ...).
Le mode multitrames a été developpé pour permettre le dialogue entre une WaveCard/ WavePort et un
module CORONIS de télémétrie. Il n'est accessible dans la version du firmware actuelle, qu'aux utilisateurs
pilotant un réseau de modules de télémétrie CORONIS, depuis une WaveCard/ WavePort.
Restrictions relative to the use of multi frame mode: Current version of Wavecard does not allow multi
frame mode between two Wavecard/Waveport equipments.
In addition, the firmware version does not allow multi frame mode usage through repeaters.
5.5.1 - Principle
Wavecard equipment is able to manage reception of successive frames coming from an distant equipment.
Data are first stored in internal memory and restored to host equipment with serial link when RF reception is
ended.
The multi frame mechanism is initiate by distant equipment , depending on the quantity of data to transmit,
following a point to point request from Wavecard.
5.5.2 - Format of the received frames
➢ Reception of a 'multi frame' – 0x36
RECEIVED_MULTIFRAME
HEADER CMD D ATA CRC ETX
3 bytes 1 byte 1 byte 1 byte 1 byte 6 bytes variable 2 bytes 1 byte
0xFF ; 0x02 ;
0xXX
0x36 Status
Total
number of
received
frames
Frame
s index
Radio
address of
the
transmitter
of the
response
Received
data
152 bytes
max.
0x03
Status : = 0 : reception Ok
= 1 : indicate that the number of received responses is higher than 255. in this case,
only the first 255 responses will be sent to the host.
Frames index : This index is used by the wavecard to know how many responses must be sent
to the host. this index is decreased on low level acknowledgement, when the wavecard send a
response to its host.
The host knows that all the responses was sent to him, when the frames index indicates 1.
This index is also used to check that no frame was lost by ensuring that this value is well
decreased with each received frame.
WCAMODHEL Handbook page 66 of 74