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Document : CS-SUP-MUTI-WPORTAPP-E02.sxw

4. SERVICE COMMANDS

Services commands are used to configure the Wavecard or to read radio parameters independently of the

connected host equipment. When the wavecard recognizes Service command, no data are sent to the

connected host.
These commands are mainly used to :



Process detection of a distant RF equipment,



Process a link budget with a distant equipment (RSSI level detection),



Process the setting of parameters by RF way.

4.1- Description of the commands, and their formats

CMD

NAME

DESCRIPTION

0x80

REQ_SEND_SERVICE

Request to send a service frame with the waiting for the radio response.

0x81

RES_SEND_SERVICE

Response to the REQ_SEND_SERVICE.

0x82

SERVICE_RESPONSE

Received radio frame consecutive to a REQ_SEND_SERVICE transmission.



Service request

REQ_SEND_SERVICE

HEADER

CMD

DATA

CRC

ETX

3 bytes

1 byte

6 bytes

1 byte

variable

2 bytes

1 byte

0xFF ; 0x02 ; 0xXX

0x80

radio address of distant

radio equipment

Service request

type

Possible parameter(s) related

to the request type

0x03



Acknowledgement of the service request

RES_SEND_SERVICE

HEADER

CMD

DATA

CRC

ETX

3 bytes

1 byte

2 bytes

1 byte

0xFF ; 0x02 ; 0x05

0x81

Status

0x00 : Frame transmission OK

0x01 : Error frame transmission

0x03



Response to the service request

SERVICE_RESPONSE

HEADER

CMD

DATA

CRC

ETX

3 bytes

1 byte

6 bytes

1 byte

variable

2 bytes

1 byte

0xFF ; 0x02 ; 0xXX

0x82

radio address of distant

radio equipment

service

response type

Possible parameter(s) related

to the response type

0x03

WaveCard user handbook

page 33 of 67

Содержание WaveCard 25mW

Страница 1: ...Document CS SUP MUTI WPORTAPP E02 sxw WaveCard user handbook page 1 of 67...

Страница 2: ...aveCard 500mW Compatible with the version v4 01 and later This device complies with part 15 of the FCC rules Operation is subject to the following two conditions this device may not cause harmful inte...

Страница 3: ...el used 20 b Writing commands format of the channel to use 21 3 2 2 Selection of the RF medium physical mode 22 a reading commands format of the physical layer mode 22 b selection commands format of t...

Страница 4: ...Polling mode 51 5 3 4 Diagram of an exchange in polling mode 54 5 4 Broadcast mode 56 5 4 1 Configuration of the parameters relating to the Broadcast mode 56 5 4 2 BroadCast mode without waiting for...

Страница 5: ...res cf 4 The purpose of this document is to present the low level of the exchange protocol to drive the Wavecard radio board through an asynchronous serial RS232 interface 12V or compliant with TTL le...

Страница 6: ...will take the initiative Fig 1 synoptic of the exchanges between a WavePort modem and its host 2 1 1 Low level acknowledge In all the cases the serial frames exchanged between the host and the radio b...

Страница 7: ...fix command sent by the host The request frame are identified by REQ_XXX_XXX example REQ_SEND_FRAME The high level acknowledge frame are identified by RES_XXX_XXX example RES_SEND_FRAME In this exampl...

Страница 8: ...X LENGTH CMD DATA CRC ETX 1 byte 1 byte 1 byte 1 byte De 0 250 bytes 2 bytes 1 byte Synchro character Start of transmission character Frame length Command Data Control Redundancy Check LSB First End o...

Страница 9: ...0x00 0x02 0X01 unsigned int Crc int j i_bits carry Crc 0 for j 0 j lg j Crc Crc Frame j for i_bits 0 i_bits 8 i_bits carry Crc 1 Crc Crc 2 if carry Crc Crc Poly printf CRC x Crc The computed CRC is t...

Страница 10: ...OR Error frame Sent by the receiver after reception of a Request response frame understood but not supported Byte 1 0x01 unknown command 2 3 2 Applicative type commands The applicative type commands u...

Страница 11: ...additional mode which allow to reach a module out of radio range of the transmitter by relaying the frames via other equipments Relaying mode this functionality allow to use a radio equipment to repe...

Страница 12: ...ment When the wavecard recognizes Service command no data are sent to the connected host These commands are mainly used to Process detection of a distant RF equipment Process a link budget with a dist...

Страница 13: ...d in multiples of 100ms by default 0x0A for one second 0 quasi permanent reception every 20ms 1 0x01 WAKEUP_TYPE Wake Up type used during a frame emission 0 long Wake Up default setting 1 short Wake U...

Страница 14: ...ed Default value SWITCH_MODE_STATUS 0x00 1 0x16 WAVECARD_MULTICAST_GROUP Byte containing the Multicast Group of the Wavecard available from V2 00 version By default no group selected 0xFF 1 0x17 BCST_...

Страница 15: ...read ok Status 0x01 read error Parameter number value 0x03 Request to update the radio parameters REQ_WRITE_RADIO_PARAM HEADER CMD DATA CRC ETX 3 bytes 1 byte 1 byte variable 2 bytes 1 byte 0xFF 0x02...

Страница 16: ...STX LENGTH CMD DATA Parameter number Parameter data CRC ETX 0xFF 0x02 0x0C 0x40 0x07 0x01 0xAAAAAAAAAAAA 0xXXXX 0x03 Response from the WaveCard to the host RES_WRITE_RADIO_PARAM HEADER SYNC STX LENGTH...

Страница 17: ...ng period of RF medium radio in multiples of 100ms Period in multiples of 100ms by default 0x0A for one second 0 quasi permanent reception every 20ms 1 0x01 WAKEUP_TYPE Wake Up type used during a fram...

Страница 18: ...E02 sxw Typical case Long WakeUp receiver WakeUp period 100ms Case of too short WakeUp lower than the receiver WakeUp period Case of too long WakeUp much higher than the receiver WakeUp period WaveCar...

Страница 19: ...er is already in phase of reception Exchange without radio acknowledge Exchange with radio acknowledge Configuration example of the parameters of wakeup management during an exchange between two WaveC...

Страница 20: ...annel when FHSS is deselected 0x61 RES_SELECT_CHANNEL Response to the channel selection request 0x62 REQ_READ_CHANNEL Request to read the radio operating channel when FHSS is deselected 0x63 RES_READ_...

Страница 21: ...HANNEL HEADER CMD DATA CRC ETX 3 bytes 1 byte 1 byte 2 bytes 1 byte 0xFF 0x02 0x05 0x60 Channel number de 0 21 0x03 Response from the WaveCard to the host RES_SELECT_CHANNEL HEADER CMD DATA CRC ETX 3...

Страница 22: ...ct the RF medium physical mode 0x65 RES_SELECT_PHYCONFIG Response to the physical mode selection request 0x66 REQ_READ_PHYCONFIG Request to read the RF medium physical mode 0x67 RES_READ_PHYCONFIG Res...

Страница 23: ...05 0x65 Status 0x00 update OK 0x01 update error 0x03 c Automatic selection of Radio physical mode to use A parameter allows the WaveCard to choose its mode of transmission according to the radio addre...

Страница 24: ...4 REQ_CHANGE_TX_POWER Request to update radio board emission power 0x45 RES_CHANGE_TX_POWER Response from the radio board to the emission power update 0x54 REQ_READ_TX_POWER Request to read radio boar...

Страница 25: ...CRC ETX 3 bytes 1 byte 2 bytes 1 byte 0xFF 0x02 0x04 0x54 0x03 Response from the WaveCard to the host RES_READ_TX_POWER HEADER CMD DATA CRC ETX 3 bytes 1 byte 1 byte 2 bytes 1 byte 0xFF 0x02 0x05 0x55...

Страница 26: ...to the WAVENIS RF ASIC autocorrection state update 0x5A REQ_READ_AUTOCORR_STATE Request to read WAVENIS RF ASIC RSSI Threshold autocorrection state 0x5B RES_READ_AUTOCORR_STATE Response from the radi...

Страница 27: ...ATE HEADER CMD CRC ETX 3 bytes 1 byte 2 bytes 1 byte 0xFF 0x02 0x04 0x5A 0x03 Response from the WaveCard to the host RES_READ_AUTOCORR_STATE HEADER CMD DATA CRC ETX 3 bytes 1 byte 1 byte 1 byte 2 byte...

Страница 28: ...TION 0x42 REQ_CHANGE_UART_BDRATE Request to update serial link Baudrate 0x43 RES_CHANGE_UART_BDRATE Response from the radio board to the serial link baudrate update Serial Link Baudrate is updated onc...

Страница 29: ...format Request from the host to the WaveCard REQ_FIRMWARE_VERSION HEADER CMD CRC ETX 3 bytes 1 byte 2 bytes 1 byte 0xFF 0x02 0x04 0xA0 0x03 Response from the WaveCard to the host RES_FIRMWARE_VERSION...

Страница 30: ...SI level on signal 2 reception by the local equipment Example 2 Request of reading of RSSI level on a distant module in relaying mode REQ_READ_REMOTE_RSSI request the RSSI level of the signal 1 Theref...

Страница 31: ...tion of the frame resulting from the wavecard 0x03 Request to read RSSI level from the local equipment This measurement gives RSSI level of a signal received by the local Wavecard coming from a distan...

Страница 32: ...tion the WaveCard module in a test mode b Format of the command MODE_TEST HEADER CMD DATA CRC ETX 3 bytes 1 byte 1 byte 2 bytes 1 byte 0xFF 0x02 0x05 0xB0 Test mode value 0x03 With Test Mode Value Des...

Страница 33: ...REQ_SEND_SERVICE 0x82 SERVICE_RESPONSE Received radio frame consecutive to a REQ_SEND_SERVICE transmission Service request REQ_SEND_SERVICE HEADER CMD DATA CRC ETX 3 bytes 1 byte 6 bytes 1 byte variab...

Страница 34: ...to read equipment type and RSSI Level from distant equipment No parameter GET_FW_VERSION 0x28 Command used to read distant equipment firmware version No parameter Response type RESPONSE TYPE NAME VALU...

Страница 35: ...e request REQ_SEND_SERVICE HEADER CMD DATA CRC ETX 3 bytes 1 byte 6 bytes 1 byte 2 bytes 1 byte 0xFF 0x02 0x0B 0x80 Radio address of distant radio equipment 0x20 GET_TYPE 0x03 Response to the service...

Страница 36: ...RADIO_PARAM all the parameters are developed in appendix 3 NUM DESCRIPTION VALUE SIZE in bytes 0x04 RADIO_ACKNOWLEDGE indicates if the radio frames must be acknowledged by the receiver 0 no acknowledg...

Страница 37: ...in Frame Exchange mode REQ_SEND_FRAME HEADER CMD DATA CRC ETX 3 bytes 1 byte 6 bytes variable 2 bytes 1 byte 0xFF 0x02 0xXX 0x20 Radio address from equipment to reach n bytes of data to transmit the...

Страница 38: ...ally if the frame arriving to the recipient went up towards his Host then the list of the relay addresses for the return must be configured by the user If the frame did not go up towards the Host of t...

Страница 39: ...3 bytes 1 byte 6 bytes 1 byte variable variable 2 bytes 1 byte 0xFF 0x02 0xXX 0x35 Radio address from transmitter equipment Number of repeaters used Radio addresses of the repeaters used data from re...

Страница 40: ...Point to Point mode ERROR_TYPE 0x01 Distant equipment RF acknowledge not received useful if acknowledge mechanism is set 0x02 Distant equipment RF response not received 0x03 In Relaying mode RECEPTION...

Страница 41: ...er parameter RADIO_ACKNOWLEDGE If RADIO_ACKNOWLEDGE is active then counting begins on reception of the acknowledgement from the Request On the other hand if RADIO_ACKNOWLEDGE is inactive then the coun...

Страница 42: ...is configured in the transmitter and not in the relay itself In fact in relaying mode the relay use a value of RADIO_USER_TIMEOUT encapsulated in the radio frame by the transmitter The relay is not u...

Страница 43: ...TE 1 number of repeaters in the route Maximum repeater number 3 If BYTE 1 0 BYTES 2 7 First repeater radio address and so on 1 19 0x0E EXCHANGE_STATUS parameter relative to the error or status frame m...

Страница 44: ...f data Acknowledgement of the request RES_SEND_FRAME HEADER CMD DATA CRC ETX 3 bytes 1 byte 1 byte 2 bytes 1 byte 0xFF 0x02 0x05 0x21 Status 0x00 transmission OK 0x01 transmission error 0x03 Status fr...

Страница 45: ...e reception Since the firmware version v2 00 v4 00 for 500mW equipment it is possible on frame reception in relaying mode to make go up the relay route towards the host of the receiving module To pres...

Страница 46: ...used data from received frame the maximum size N bytes is defined below 0x03 The field Radio addresses of the repeaters used can have a size of 6 12 or 18 bytes according to the number of repeaters us...

Страница 47: ...it thus does not require an address of recipient Note The error messages are activated only if parameter EXCHANGE_STATUS is positioned with 0x01 or 0x03 In Point to Point mode RECEPTION_ERROR HEADER...

Страница 48: ...3 Note In the MESSAGE mode the error frame intervene only between the transmitter and the first repeater Even if the other repeaters return errors the transmitting module does not await an answer and...

Страница 49: ...o address to be addressed Byte 2 number of equipments to interrogate IF Byte 2 0 Bytes 3 to 8 radio address of the first module and so on 1 241 0x09 GROUP_NUMBER Byte containing the number of the grou...

Страница 50: ...s of data to transmit the maximum size is 152 bytes 0x03 Remark in radio polling mode it is not necessary to transmit the address of the modules to be interrogated since they must be configured by the...

Страница 51: ...lling mode where all the modules included in the list will be interrogated Principle of the not selective polling mode When using a not selective polling all the modules within radio range are synchro...

Страница 52: ...reading time depends on the index of precision max 3 seconds The procedure to be followed to initiate a request in selective polling mode is To configure table POLLING_ROUTE with all the addresses of...

Страница 53: ...following way Equipment A responds to the request PARTICULAR CASE this module is the first of table POLLING_ROUTE and the first polling frame is sent in point to point mode Equipment B responds to the...

Страница 54: ...out is started configured by POLLING_TIME parameter and if the equipment doesn t respond before the end of the timeout 1 second by default then the transmitter send the same radio frame to the next di...

Страница 55: ...sponses anymore it sends to its host a first RECEIVED_FRAME_POLLING command and will await a low level acknowledgement to decrease its index and to send next RECEIVED_FRAME_POLLING command The followi...

Страница 56: ...both status and error frames activated by default RECEPT_ERROR_STATUS 0x00 1 0x17 BCST_RECEPTION_TIMEOUT timeout used for the reception of CSMA frame consecutively to REQ_SEND_BROADCAST Command emiss...

Страница 57: ...er timeout the WaveCard send the responses towards its host via the serial link connection frame after frame a Description of the commands CMD NAME DESCRIPTION 0x21 RES_SEND_FRAME Response from the ra...

Страница 58: ...h waiting for responses Reception of the END_MESSAGE_EXCHANGE command depends on the activation of the EXCHANGE_STATUS parameter 0x0E This command allows the equipment host to know exactly the moment...

Страница 59: ...bytes 1 byte 0xFF 0x02 0x05 0x21 Status 0x00 transmission OK 0x01 transmission error 0x03 Response to the broadcast request 0x34 RECEIVED_BROADCAST_RESPONSE RECEIVED_BROADCAST_RESPONSE HEADER CMD DATA...

Страница 60: ...the Broadcast frame Use of this command in any other circumpstances could make the Wavecard not available during a few seconds Status Message 0x37 END_MESSAGE_EXCHANGE END_MESSAGE_EXCHANGE HEADER CMD...

Страница 61: ...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 poi...

Страница 62: ...Document CS SUP MUTI WPORTAPP E02 sxw APPENDIX 1 Mechanical description of the WAVECARD WaveCard 25mW WaveCard user handbook page 62 of 67...

Страница 63: ...Document CS SUP MUTI WPORTAPP E02 sxw WaveCard 500mW WaveCard user handbook page 63 of 67...

Страница 64: ...ltage 10mA available OUTPUT 8 SUPPLY VOLTAGE input supply voltage 4V to 5 5V minimum current 45mA INPUT WaveCard 500mW PIN PIN NAME DESCRIPTION INPUT OUTPUT 1 TX TX RS232 signal 0 2 7Vmax OUTPUT 2 RX...

Страница 65: ...ers in the route Maximum repeater number 3 If BYTE 1 0 BYTES 2 7 First repeater radio address and so on 1 19 0x08 POLLING_ROUTE Table containing the list of modules radio address to be addressed BYTE...

Страница 66: ...NIS RF ASIC RSSI Threshold autocorrection state 0x5B RES_READ_AUTOCORR_STATE Response from the radio board to the WAVENIS RF ASIC autocorrection state reading 0x60 REQ_SELECT_CHANNEL Request to select...

Страница 67: ...sponse 0x30 RECEIVED_FRAME Received radio frame by the radio board 0x31 RECEPTION_ERROR Frame indicating error type detected at the issue of last exchange in point to point or relaying mode 0x32 RECEI...

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