Difference between revisions of "RS485 CAN HAT"
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===Demo code=== | ===Demo code=== | ||
*[[:File:RS485_CAN_HAT_Code.7z | Demo code]] | *[[:File:RS485_CAN_HAT_Code.7z | Demo code]] | ||
| + | <!--*[[:File:RS485_CAN_HAT_Code.tar.gz]]--> | ||
===Datasheet=== | ===Datasheet=== | ||
*[[:File:MCP2515.pdf | MCP2515]] | *[[:File:MCP2515.pdf | MCP2515]] | ||
Revision as of 12:49, 15 May 2020
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Introduction
The RS485 CAN HAT will enables your Pi to communicate with other devices stably in long-distance via RS485/CAN functions.
| More |
Note:
There are two versions. The only difference betweem these version are the crystal. The old one use 8M and the line added to config.txt file should be:
dtoverlay=mcp2515-can0,oscillator=8000000,interrupt=25,spimaxfrequency=1000000
The new one use 12M crystal and the line should be
dtoverlay=mcp2515-can0,oscillator=12000000,interrupt=25,spimaxfrequency=2000000
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