Jetter JVM-407B-HMI, Руководство пользователя

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7 SAE J1939 STX API
STX function SAEJ1939AddTx()
Calling up the function SAEJ1939AddTx () prompts the JVM-407B to
cyclically send a specific message via the bus.
Cyclical sending continues until the function
SAEJ1939Init () is called up
again.
Date are sent once the Event Time has elapsed or the given variables have
changed and Inhibit Time has elapsed.
Function SAEJ1939AddTx (
CANNo:Int,
IPGN:Long,
BytePos:Int,
BitPos:Int,
dataType:Int,
DataLength:Int,
const ref VarAddr,
ref stJ1939:TJ1939Tx
EventTime: Int,
InhibitTime: Int,
) :Int;
The SAEJ1939AddTx () function comprises the following parameters:
Parameter Description Value
CANNo CAN channel number 1 ... CANMAX
IPGN PGN
Parameter Group Number 0 ... 0x3FFFF
BytePos Starting position of the byte of
data to be sent
1 ... n
BitPos Starting position of the bit of data
to be sent
1 ... 8
dataType Data type of data to be sent 1 ... 3, 10 ... 16
DataLength Volume of data for the global
variable VarAddr
VarAddr Global variable into which the
value to be sent is entered
TJ1939Tx Control structure
EventTime Time lag between two telegrams
(> Inhibit Time)
Default value: 1,000 ms
InhibitTime Minimum time lag between two
telegrams received
(< EventTime)
Default value: 100 ms
Introduction
Function declaration
Function parameters