AN1278 datasheet(24/44 Pages) STMICROELECTRONICS

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LIN (LOCAL INTERCONNECT NETWORK) SOLUTIONS

Figure 11. LIN description file of the example

The rest of the example is divided into 2 main parts. The described example is first imple-

mented on the ST72254G2 MCU which has no SCI peripheral. This part demonstrates the ca-

pability of the LIN software to emulate the whole LIN protocol using the embedded 16-bit

timer. The second part describes the implementation on the ST72334N4 which has an SCI pe-

ripheral.

LIN_description_file ;

LIN_protocol_version = 1.1;

LIN_language_version = 1.1;

LIN_speed = 9.6 kbps;

Nodes {

Master: master, 1 ms, 0.1 ms;

Slaves: slave1, slave2;

}

Signals {

MasterDataToSlave1:16,5,master;

Slave1DataA:16,0,slave1;

Slave1DataB:8,0,slave1;

Slave1DataC:8,0,slave1;

Slave2DataA:8,0,slave2;

Slave2DataB:8,0,slave2;

}

Frames {

DataToSlave1:03,master {

MasterDataToSlave1,0;

}

RequestToSlave1:32,slave1 {

Slave1DataA,0;

Slave1DataB,16;

Slave1DataC,24;

}

RequestToSlave2:54,slave2 {

Slave2DataA,0;

Slave2DataB,8;

}

Schedule_tables {

Test_Schedule {

DataToSlave1 delay 10 ms;

RequestToSlave1 delay 15 ms;

RequestToSlave2 delay 15 ms;

}

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