Hello, we are using 2 CAN Bus Motors (link below) to a Raspberry Pi 4 Model B. Then, when trying to initialize the motors, only one of them initializes while the other always says: Device can1 cannot be found.
When doing the command:We checked the wiring multiple times and also tested the wires continuity and it all seems okay.
Here is our config.txt settings:We double checked the crystal oscillator on both mcp2515 and it is 8MHz. We also tested the spi communication using spidev and it has the correct output. And also tested one individual mcp2515 to see if each works and it does. So we're really confused on the problem. I'd appreciate any tips because we are lost so far.
When doing the command:
Code:
dmesg | grep -i canCode:
[ 9.741468] mcp251x spi0.0 can0: MCP2515 successfully initialized.[ 8.499928] mcp251x spi0.1: Cannot initialize MCP2515. Wrong wiring?[ 8.503873] mcp251x spi0.1: Probe failed, err=19Here is our config.txt settings:
Code:
dtparam=spi=ondtoverlay=mcp2515-can0,oscillator=8000000,interrupt=25,spimaxfrequency=500000dtoverlay=mcp2515-can1,oscillator=8000000,interrupt=24,spimaxfrequency=500000dtoverlay=spi-bcm2835Statistics: Posted by CrabbyPatty — Thu Nov 28, 2024 7:21 am