Connecting Raspberry Pi 4B to MATLAB

Question

Keshav on 19 Feb 2024

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https://se.mathworks.com/matlabcentral/answers/2083883-connecting-raspberry-pi-4b-to-matlab

Answered: MathWorks MATLAB Hardware Team on 20 Feb 2024

Error executing command "make ONLY_MATLAB_IO=1 -C /opt/MATLAB/mw_server_v23.1.0 -f Makefile". Details:

STDERR: I.c: In function ‘writeReadSPI’:

IO_wrapperSPI.c:210:12: warning: passing argument 1 of ‘memcpy’ discards ‘const’ qualifier from pointer target type

[-Wdiscarded-qualifiers]

210 | memcpy(wrData, &payloadBufferRx[index], dataLength); // Copy data to be written to local buffer

| ^~~~~~

In file included from IO_include.h:18,

from PeripheralToHandle.h:13,

from IO_peripheralInclude.h:16,

from IO_wrapperSPI.h:15,

from IO_wrapperSPI.c:10:

/usr/include/string.h:43:39: note: expected ‘void * restrict’ but argument is of type ‘const uint8_T *’ {aka ‘const unsigned char

*’}

43 | extern void *memcpy (void *__restrict __dest, const void *__restrict __src,

| ~~~~~~~~~~~~~~~~~^~~~~~

IO_wrapperSPI.c:189:32: warning: unused variable ‘ctr’ [-Wunused-variable]

189 | uint32_T SPIBus,dataLength,ctr;

| ^~~

/opt/userland/host_applications/linux/apps/raspicam/RaspiHelpers.c: In function ‘print_app_details’:

/opt/userland/host_applications/linux/apps/raspicam/RaspiHelpers.c:69:57: warning: implicit declaration of function ‘basename’; did

you mean ‘rename’? [-Wimplicit-function-declaration]

69 | fprintf(fd, "\n\"%s\" Camera App (commit %s%s)\n\n", basename(app_name), GIT_COMMIT_ID, TAINTED);

| ^~~~~~~~

| rename

/opt/userland/host_applications/linux/apps/raspicam/RaspiHelpers.c:69:22: warning: format ‘%s’ expects argument of type ‘char *’,

but argument 3 has type ‘int’ [-Wformat=]

69 | fprintf(fd, "\n\"%s\" Camera App (commit %s%s)\n\n", basename(app_name), GIT_COMMIT_ID, TAINTED);

| ~^ ~~~~~~~~~~~~~~~~~~

| | |

| char * int

| %d

/opt/userland/host_applications/linux/apps/raspicam/RaspiCommonSettings.c: In function ‘raspicommonsettings_parse_cmdline’:

/opt/userland/host_applications/linux/apps/raspicam/RaspiCommonSettings.c:149:32: warning: implicit declaration of function

‘basename’; did you mean ‘rename’? [-Wimplicit-function-declaration]

149 | display_valid_parameters(basename(get_app_name()), app_help);

| ^~~~~~~~

| rename

/opt/userland/host_applications/linux/apps/raspicam/RaspiCommonSettings.c:149:32: warning: passing argument 1 of

‘display_valid_parameters’ makes pointer from integer without a cast [-Wint-conversion]

149 | display_valid_parameters(basename(get_app_name()), app_help);

| ^~~~~~~~~~~~~~~~~~~~~~~~

| |

| int

In file included from /opt/userland/host_applications/linux/apps/raspicam/RaspiCommonSettings.c:57:

/opt/userland/host_applications/linux/apps/raspicam/RaspiHelpers.h:32:37: note: expected ‘char *’ but argument is of type ‘int’

32 | void display_valid_parameters(char *name, void (*app_help)(char*));

| ~~~~~~^~~~

frameBuffer.c: In function ‘EXT_FRAMEBUFFER_INIT’:

frameBuffer.c:54:55: warning: comparison between pointer and zero character constant [-Wpointer-compare]

54 | for(ii=0;ii<100 & glob_buffer.gl_pathv[i] != '\0';ii++)

| ^~

frameBuffer.c:54:31: note: did you mean to dereference the pointer?

54 | for(ii=0;ii<100 & glob_buffer.gl_pathv[i] != '\0';ii++)

| ^

frameBuffer.c:54:24: warning: suggest parentheses around comparison in operand of ‘&’ [-Wparentheses]

54 | for(ii=0;ii<100 & glob_buffer.gl_pathv[i] != '\0';ii++)

| ~~^~~~

frameBuffer.c: In function ‘EXT_FRAMEBUFFER_WRITEPIXEL’:

frameBuffer.c:80:9: warning: unused variable ‘ii’ [-Wunused-variable]

80 | int ii ;

| ^~

frameBuffer.c: In function ‘EXT_FRAMEBUFFER_DISPLAYIMAGE’:

frameBuffer.c:107:17: warning: suggest parentheses around comparison in operand of ‘&’ [-Wparentheses]

107 | for(ii=0; ii<100 & sh_fbname[ii] != '\0'; ii++)

| ~~^~~~

frameBuffer.c:105:10: warning: variable ‘fileName’ set but not used [-Wunused-but-set-variable]

105 | char fileName[100];

| ^~~~~~~~

frameBuffer.c:104:9: warning: unused variable ‘pxllocation’ [-Wunused-variable]

104 | int pxllocation=0;

| ^~~~~~~~~~~

joystick.c: In function ‘EXT_JOYSTICK_INIT’:

joystick.c:45:56: warning: comparison between pointer and zero character constant [-Wpointer-compare]

45 | for(ii=0; ii<100 & glob_buffer.gl_pathv[i] != '\0'; ii++)

| ^~

joystick.c:45:32: note: did you mean to dereference the pointer?

45 | for(ii=0; ii<100 & glob_buffer.gl_pathv[i] != '\0'; ii++)

| ^

joystick.c:45:25: warning: suggest parentheses around comparison in operand of ‘&’ [-Wparentheses]

45 | for(ii=0; ii<100 & glob_buffer.gl_pathv[i] != '\0'; ii++)

| ~~^~~~

joystick.c: In function ‘EXT_JOYSTICK_READ’:

joystick.c:82:17: warning: suggest parentheses around comparison in operand of ‘&’ [-Wparentheses]

82 | for(ii=0;(ii<100 & sh_evdevName[ii] != '\0');ii++)

| ~~^~~~

/usr/bin/ld: cannot find -lmmal: No such file or directory

/usr/bin/ld: cannot find -lmmal_core: No such file or directory

/usr/bin/ld: cannot find -lmmal_util: No such file or directory

/usr/bin/ld: cannot find -lmmal_vc_client: No such file or directory

/usr/bin/ld: cannot find -lvcos: No such file or directory

/usr/bin/ld: cannot find -lbcm_host: No such file or directory

collect2: error: ld returned 1 exit status

make: *** [Makefile:93: build] Error 1

STDOUT: make: Entering directory '/opt/MATLAB/mw_server_v23.1.0'

[Compiling] IO_wrapperv4l2.c