Recans A0: Difference between revisions
From iagent
No edit summary |
No edit summary |
||
| Line 8: | Line 8: | ||
The MCP2515 CAN controller<br> | The MCP2515 CAN controller<br> | ||
<pre> | <pre> | ||
| Line 21: | Line 20: | ||
Interrupt: STEP7 = PL11 | Interrupt: STEP7 = PL11 | ||
Errata: | |||
- SPI_CLK and SPI_MOSI are interchanged and need to be fixed. | |||
- /RESET is floating. | |||
Revision as of 23:06, 21 February 2024
Recans A0 has two controllers, one is based on RP2040, the other on MCP2515.
To bring up the RP2040 CAN controller:
sudo ip link set can0 type can bitrate 1000000 sudo ip link set up can0
The MCP2515 CAN controller
sudo mount -o remount,rw /boot sudo armbian-add-overlay /boot/overlay-user/sun50i-a64-spi1.dts sudo mount -o remount,ro /boot
ls -al /dev/spidev1.0
Interrupt: STEP7 = PL11
Errata: - SPI_CLK and SPI_MOSI are interchanged and need to be fixed. - /RESET is floating.