Dear All,
I need to update the firmware of a fan for the RPi4 and given the below instructions in Raspbian. I also installed
sudo dnf -y install i2c-tools
sudo dnf -y install python3-i2c-tools
sudo dnf -y install python3-i2c-tools
but the firmware update fails. I guess, it is because of the serial port not being enabled. Any advice?
Thanks, Thomas
In order to use bootloader, user need to have activated and free Serial Port on Raspberry Pi®. The below
procedure is showing how to make sure that Serial Port is free and available for Bootloader process.
sudo raspi-config
Select -> Interfacing Options
1. IC Kernel ON
2. Serial option to enable UART
Then it will ask for login shell to be accessible over Serial, select No shown as follows.
At the end, it will ask for enabling Hardware Serial port, select Yes,
Then, reboot the Raspberry Pi®!!
procedure is showing how to make sure that Serial Port is free and available for Bootloader process.
sudo raspi-config
Select -> Interfacing Options
1. IC Kernel ON
2. Serial option to enable UART
Then it will ask for login shell to be accessible over Serial, select No shown as follows.
At the end, it will ask for enabling Hardware Serial port, select Yes,
Then, reboot the Raspberry Pi®!!
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