Error During Connection to Raspberry Pi 4

When I try to create raspberry pi object in our local network, MATLAB throws the following error;

>> raspberrypi = raspi('172.16.0.8','pi','raspberrypi')
### Updating Raspberry Pi I/O server...
    ### Connecting to board...
    ### Connected to 172.16.0.8...
    ### Installing nanomsg Library (this might take a while)...
    ### Creating server folder...
    Error executing command "sudo make -C /opt/MATLAB/mw_server_v22.1.0 SERVER_DIR=/opt/MATLAB/mw_server_v22.1.0 -f Makefile_raspiPeriphs". Details:

STDERR: MW_SocketCAN.c: In function ‘MW_getTimeNow’:
MW_SocketCAN.c:139:8: warning: implicit declaration of function ‘gettimeofday’ [-Wimplicit-function-declaration]
139 |     if(gettimeofday(&timeNow,NULL)==-1)
    |        ^~~~~~~~~~~~
    MW_I2C.c: In function ‘EXT_I2C_readRegisterH’:
    MW_I2C.c:145:23: warning: assignment to ‘struct i2c_msg *’ from incompatible pointer type ‘struct i2c_msg (*)[2]’ [-Wincompatible-pointer-types]
    145 |         i2c_data.msgs = &msg;
    |                       ^
    /usr/bin/ld: MW_availableWebcam.c.o: relocation R_AARCH64_ADR_PREL_PG_HI21 against symbol `wc' which may bind externally can not be used when making a shared object; recompile with -fPIC
    MW_availableWebcam.c.o: in function `getCameraAddrIndex':
    MW_availableWebcam.c:(.text+0x140): dangerous relocation: unsupported relocation
    /usr/bin/ld: MW_availableWebcam.c.o: relocation R_AARCH64_ADR_PREL_PG_HI21 against symbol `wc' which may bind externally can not be used when making a shared object; recompile with -fPIC
    MW_availableWebcam.c:(.text+0x20c): dangerous relocation: unsupported relocation
    /usr/bin/ld: MW_availableWebcam.c.o: relocation R_AARCH64_ADR_PREL_PG_HI21 against symbol `wc' which may bind externally can not be used when making a shared object; recompile with -fPIC
    MW_availableWebcam.c.o: in function `getCameraResolution':
    MW_availableWebcam.c:(.text+0x2d0): dangerous relocation: unsupported relocation
    /usr/bin/ld: MW_availableWebcam.c.o: relocation R_AARCH64_ADR_PREL_PG_HI21 against symbol `wc' which may bind externally can not be used when making a shared object; recompile with -fPIC
    MW_availableWebcam.c.o: in function `getCameraList':
    MW_availableWebcam.c:(.text+0x624): dangerous relocation: unsupported relocation
    /usr/bin/ld: MW_availableWebcam.c.o: relocation R_AARCH64_ADR_PREL_PG_HI21 against symbol `wc' which may bind externally can not be used when making a shared object; recompile with -fPIC
    MW_availableWebcam.c.o: in function `validateResolution':
    MW_availableWebcam.c:(.text+0x710): dangerous relocation: unsupported relocation
    /usr/bin/ld: MW_availableWebcam.c.o: relocation R_AARCH64_ADR_PREL_PG_HI21 against symbol `wc' which may bind externally can not be used when making a shared object; recompile with -fPIC
    MW_availableWebcam.c:(.text+0x7b4): dangerous relocation: unsupported relocation
    collect2: error: ld returned 1 exit status
    make: *** [Makefile_raspiPeriphs:206: libmwraspiperipheral.so] Error 1
    
    STDOUT: make: Entering directory '/opt/MATLAB/mw_server_v22.1.0'
    gcc -c -MMD -MP -MF"MW_availableWebcam.c.dep" -MT"MW_availableWebcam.c.o" -O2 -D_MATLABIO_   -I/opt/MATLAB/mw_server_v22.1.0 -o "MW_availableWebcam.c.o" "MW_availableWebcam.c"
    gcc -c -MMD -MP -MF"MW_SocketCAN.c.dep" -MT"MW_SocketCAN.c.o" -O2 -D_MATLABIO_   -I/opt/MATLAB/mw_server_v22.1.0 -o "MW_SocketCAN.c.o" "MW_SocketCAN.c"
    gcc -c -MMD -MP -MF"MW_v4l2_cam.c.dep" -MT"MW_v4l2_cam.c.o" -O2 -D_MATLABIO_   -I/opt/MATLAB/mw_server_v22.1.0 -o "MW_v4l2_cam.c.o" "MW_v4l2_cam.c"
    gcc -c -MMD -MP -MF"MW_gpio.c.dep" -MT"MW_gpio.c.o" -O2 -D_MATLABIO_   -I/opt/MATLAB/mw_server_v22.1.0 -o "MW_gpio.c.o" "MW_gpio.c"
    gcc -c -MMD -MP -MF"MW_I2C.c.dep" -MT"MW_I2C.c.o" -O2 -D_MATLABIO_   -I/opt/MATLAB/mw_server_v22.1.0 -o "MW_I2C.c.o" "MW_I2C.c"
    gcc -c -MMD -MP -MF"MW_SPI.c.dep" -MT"MW_SPI.c.o" -O2 -D_MATLABIO_   -I/opt/MATLAB/mw_server_v22.1.0 -o "MW_SPI.c.o" "MW_SPI.c"
    gcc -c -MMD -MP -MF"MW_SCI.c.dep" -MT"MW_SCI.c.o" -O2 -D_MATLABIO_   -I/opt/MATLAB/mw_server_v22.1.0 -o "MW_SCI.c.o" "MW_SCI.c"
    gcc -c -MMD -MP -MF"devices.c.dep" -MT"devices.c.o" -O2 -D_MATLABIO_   -I/opt/MATLAB/mw_server_v22.1.0 -o "devices.c.o" "devices.c"
    echo "### Creating dynamic library "libmwraspiperipheral.so" ..."
        ### Creating dynamic library libmwraspiperipheral.so ...
        gcc -shared -lrt -lpthread -ldl -o libmwraspiperipheral.so MW_availableWebcam.c.o MW_SocketCAN.c.o MW_v4l2_cam.c.o MW_gpio.c.o MW_I2C.c.o MW_SPI.c.o MW_SCI.c.o devices.c.o  -lm -lm -lstdc++
    make: Leaving directory '/opt/MATLAB/mw_server_v22.1.0'
    
    

On my Raspberry Pi 4, I have stock 64-Bit Raspbian OS installed. How can I solve this issue?

Answer 1

[Arda Kayaalp]

When I try to install required packages via Hardware Setup app, at Installing userland step this error comes out;

[Arda Kayaalp]

I think the problem is with userland. 64Bit Raspbian Image does not support userland. Do you know any solution to get away from this issue?

[Prasanth Sunkara]

Hi Arda,

Raspberry Pi 64-bit is not yet supported. MathWorks team is actively looking at adding support for it soon.

At this moment, Buster 32-bit OS is fully supported.

Thanks,

Prasanth

cc: @Manjunatha Vankadari Gopalakrishna

[Arda Kayaalp]

Thank you for the quick answer, I'm looking forward to it.