Advantech PCI-1682U Bedienungsanleitung Seite 59

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53 PCI-1680U/1682U User Manual
Chapter 4 Software Requirements
User can also refer to receive and send examples for details usage.
How to calculate BTR0 and BTR1, please refer to SJA1000 datasheet for details.
Here we show some value of BTR0 and BTR1 for some custom baud rate.
Please refer to acceptance filtering for setting acceptance code and acceptance
mask.
Self reception is not supported on windows CE.
Member Description
Remarks
1. While configuring cmd, the following commands are supported:
Target value BTR0 BTR1 Setting value
5K 0xBF 0xFF 0xFFBF
40K 0x87 0xFF 0xFF87
80K 0x83 0xFF 0xFF83
200K 0x81 0xFA 0xFA81
400K 0x80 0xFA 0xFA80
Name Description
cmd Send start or stop command to drivers.
target Send configure command to drivers.
val1 Parameter 1.
val2 Parameter 2.
error Reserved.
retval Reserved.
Optional
commands
Corresponding
value of cmd
Description val1 val2
CMD_START 1
Start chip and enter work
mode.
Reserved Reserved
CMD_STOP 2
Stop chip and enter reset
mode.
Reserved Reserved
CMD_RESET 3
Stop chip by canceling current
send/receive operation and
enter reset mode.
Reserved Reserved
CMD_CLEARBUFF
ERS
4 Clear receive buffer. Reserved Reserved
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