Template: Pico CAN A Guide
From Waveshare Wiki
Pico Quick Start
Download Firmware
- MicroPython Firmware Download
- C_Blink Firmware Download
Hardware connection
Please take care of the direction when you connect Pico, an USB port is printed to indicate. You can also check the pin of Pico and the LCD board when connecting.
You can connect the display according to the table.
CAN Board | Pico | Description |
VCC | VSYS | 5V Power Input |
GND | GND | GND |
GP0 | TXD0 | UART TX (default) |
GP1 | RXD0 | UART RX (default) |
GP2 | CFG | CAN mode switch |
GP3 | RESET | CAN module reset |
GP4 | TXD0 | UART TX (optional) |
GP5 | RXD0 | UART RX (optional) |
Setup environment
Please refer to Raspberry Pi's guide: https://www.raspberrypi.org/documentation/pico/getting-started/
Download Demo codes
sudo apt-get install p7zip-full cd ~ sudo wget https://files.waveshare.com/upload/d/d8/Pico-CAN-A-Code.7z 7z x Pico_Pico-CAN-A-Code.7z -o./Pico-CAN-A-Code.7z cd ~/Pico-CAN-A-Code
Run the Demo codes
This guide is based on Raspberry Pi.
C examples
To be continued...
Python codes
Use in Windows
- 1. Press and hold the BOOTSET button on the Pico board, connect the Pico to the USB port of the computer through the Micro USB cable, and release the button after the computer recognizes a removable hard disk (RPI-RP2).
- 2. Copy the rp2-pico-20210418-v1.15.uf2 file in the python directory to the recognized removable disk (RPI-RP2).
- 3. Open Thonny IDE (Note: Use the latest version of Thonny, otherwise there is no Pico support package, the latest version under Windows is v3.3.3).
- 4. Click Tools -> Settings -> Interpreter, and select Pico and the corresponding port as shown in the figure.
- 5. File -> Open -> the corresponding .py file, click to run, as shown in the following figure: