Greetings,
Trying to hook up two PCA9845A on the same SCL1/SDA1 port.
I got it working with one, adding to the config.txt file.
I figured just adding another line with but a different address would work.
After reboot, I still only show the 8 buses for 0x70. My 2nd PCA9845 seems to be working, however, because I see it's address inside the grid of 0x77:
.
I'm on a Raspberry Pi 4B with latest Debian.
Any Help youw be appreciated
Trying to hook up two PCA9845A on the same SCL1/SDA1 port.
I got it working with one, adding
Code:
dtoverlay=i2c-mux,pca9548,addr=0x70I figured just adding another line with
Code:
dtoverlay=i2c-mux,pca9548,addr=0x77After reboot, I still only show the 8 buses for 0x70. My 2nd PCA9845 seems to be working, however, because I see it's address inside the grid of 0x77:
Code:
Helios@HeliosRPi4:~ $ i2cdetect -y 29 0 1 2 3 4 5 6 7 8 9 a b c d e f00: -- -- -- -- -- -- -- --10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --20: -- -- -- -- -- -- -- -- 28 -- -- -- -- -- -- --30: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --40: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --50: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --60: -- -- -- 63 64 -- 66 -- -- -- -- -- -- -- -- --70: UU -- -- -- -- -- -- 77I'm on a Raspberry Pi 4B with latest Debian
Code:
Linux HeliosRPi4 6.1.0-rpi8-rpi-v8 #1 SMP PREEMPT Debian 1:6.1.73-1+rpt1 (2024-01-25) aarch64Any Help youw be appreciated
Statistics: Posted by TriLife — Wed Mar 13, 2024 12:10 am