I am trying to connect my raspberry pi to MATLAB but I get following error. What should I do?

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up_pro
up_pro on 23 May 2019
Commented: Aviad Golan on 23 Jun 2023
I am trying to connect my raspberry pi to MATLAB but I get following error.
mypi = raspi('10.19.9.112','pi','raspberry')
### Updating Raspberry Pi I/O server...
### Connecting to board...
### Connected to 10.19.9.112...
### Installing nanomsg Library (this might take a while)...
### Creating server folder...
### Transferring source files...
### Building MATLAB I/O server...
Error executing command "make -C /opt/MATLAB/server_v18.1.0 -f
Makefile". Details:
STDERR: server.c: In function ‘bindSocket’:
server.c:44:13: warning: pointer targets in passing argument 1
of ‘sprintf’ differ in signedness [-Wpointer-sign]
sprintf(serverAddr, "tcp://*:%d",port);
^~~~~~~~~~
In file included from server.c:1:0:
/usr/include/stdio.h:366:12: note: expected ‘char *
restrict’ but argument is of type ‘unsigned char *’
extern int sprintf (char *__restrict __s,
^~~~~~~
server.c:55:25: warning: pointer targets in passing argument 2
of ‘nn_bind’ differ in signedness [-Wpointer-sign]
ret = nn_bind(sock, serverAddr);
^~~~~~~~~~
In file included from server.c:14:0:
/usr/local/include/nanomsg/nn.h:352:15: note: expected ‘const
char *’ but argument is of type ‘unsigned char *’
NN_EXPORT int nn_bind (int s, const char *addr);
^~~~~~~
server.c: In function ‘main’:
server.c:128:15: warning: unused variable ‘thread’
[-Wunused-variable]
pthread_t thread;
^~~~~~
server.c:127:15: warning: unused variable ‘clientSock’
[-Wunused-variable]
int sock, clientSock;
^~~~~~~~~~
handler.c: In function ‘receiveRequest’:
handler.c:232:26: warning: passing argument 2 of ‘sockRecv’
from incompatible pointer type [-Wincompatible-pointer-types]
ret = sockRecv(sock, req, sizeof(REQUEST_Header_t));
^~~
handler.c:116:12: note: expected ‘char *’ but argument is
of type ‘REQUEST_t * {aka struct <anonymous> *}’
static int sockRecv(int sock, char *req, int size)
^~~~~~~~
handler.c: In function ‘executeCommand’:
handler.c:588:13: warning: this ‘while’ clause does not
guard... [-Wmisleading-indentation]
while(fgets(tempBuff,40 ,fp)!=NULL);
^~~~~
handler.c:589:13: note: ...this statement, but the latter is
misleadingly indented as if it is guarded by the ‘while’
{
^
handler.c:694:60: warning: pointer targets in passing argument
1 of ‘strlen’ differ in signedness [-Wpointer-sign]
resp->response.payloadSize = (uint32_T)
strlen(payload)+1;
^~~~~~~
In
file
included
from
handler.c:23:0:
/usr/include/string.h:394:15:
note:
expected
‘const
char
*’
but
argument
is
of
type
‘uint8_T
*
{aka
unsigned
char
*}’
extern
size_t
strlen
(const
char
*__s)
^~~~~~
handler.c:750:57:
warning:
passing
argument
3
of
‘pthread_create’
from
incompatible
pointer
type
[-Wincompatible-pointer-types]
pthread_create(&current->tid,
NULL,
gpioRead,
(void
*)current->pData);
/*
Response:
send
status
*/
^~~~~~~~
In
file
included
from
handler.c:25:0:
/usr/include/pthread.h:233:12:
note:
expected
‘void
*
(*)(void
*)’
but
argument
is of
type
‘void
*
(*)(struct
peripheralData
*)’
extern int pthread_create (pthread_t *__restrict __newthread,
^~~~~~~~~~~~~~
handler.c:757:53: warning: passing argument 3 of
‘pthread_create’ from incompatible pointer type
[-Wincompatible-pointer-types]
pthread_create(&current->tid ,
NULL,udpReadThread , (void *)current->pData);
/* Response: send status */
^~~~~~~~~~~~~
In file
included
from
handler.c:25:0:
/usr/include/pthread.h:233:12:
note:
expected
‘void *
(*)(void
*)’ but
argument
is of type
‘void *
(*)(struct
peripheralData
*)’
extern int pthread_create (pthread_t *__restrict __newthread,
^~~~~~~~~~~~~~
handler.c:774:57: warning: passing argument 3 of
‘pthread_create’ from incompatible pointer type
[-Wincompatible-pointer-types]
pthread_create(&current->tid, NULL,
audioRecordThread , (void *)current->pData
); /* Response: send status */
^~~~~~~~~~~~~~~~~
In
file
included
from
handler.c:25:0:
/usr/include/pthread.h:233:12:
note:
expected
‘void
*
(*)(void
*)’
but
argument
is of
type
‘void
*
(*)(struct
peripheralData
*)’
extern int pthread_create (pthread_t *__restrict __newthread,
^~~~~~~~~~~~~~
handler.c: In function ‘waitForClientConnection’:
handler.c:1629:1: warning: no return statement in function
returning non-void [-Wreturn-type]
}
^
I2C.c: In function ‘I2C_open’:
I2C.c:29:23: warning: unused variable ‘i2c_funcs’
[-Wunused-variable]
unsigned long i2c_funcs = 0;
^~~~~~~~~
I2C.c: In function ‘EXT_I2C_readRegister’:
I2C.c:81:22: warning: assignment discards ‘const’ qualifier
from pointer target type [-Wdiscarded-qualifiers]
msg[0].buf = &reg;
^
I2C.c: In function ‘EXT_I2C_writeRegister’:
I2C.c:120:22: warning: assignment discards ‘const’
qualifier from pointer target type [-Wdiscarded-qualifiers]
msg[0].buf = &reg;
^
I2C.c:124:22: warning: assignment discards ‘const’
qualifier from pointer target type [-Wdiscarded-qualifiers]
msg[1].buf = data;
^
I2C.c: In function ‘EXT_I2C_write’:
I2C.c:154:19: warning: assignment discards ‘const’
qualifier from pointer target type [-Wdiscarded-qualifiers]
msg.buf = data;
^
joystick.c: In function ‘EXT_JOYSTICK_INIT’:
joystick.c:45:25: warning: suggest parentheses around
comparison in operand of ‘&’ [-Wparentheses]
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]
for(ii=0;(ii<100 & sh_evdevName[ii] != '\0');ii++)
~~^~~~
frameBuffer.c: In function ‘EXT_FRAMEBUFFER_INIT’:
frameBuffer.c:45:24: warning: suggest parentheses around
comparison in operand of ‘&’ [-Wparentheses]
for(ii=0;ii<100 & glob_buffer.gl_pathv[i] !=
'\0';ii++)
~~^~~~
frameBuffer.c: In function ‘EXT_FRAMEBUFFER_WRITEPIXEL’:
frameBuffer.c:71:9: warning: unused variable ‘ii’
[-Wunused-variable]
int ii ;
^~
frameBuffer.c: In function ‘EXT_FRAMEBUFFER_DISPLAYIMAGE’:
frameBuffer.c:98:17: warning: suggest parentheses around
comparison in operand of ‘&’ [-Wparentheses]
for(ii=0; ii<100 & sh_fbname[ii] != '\0'; ii++)
~~^~~~
frameBuffer.c:96:10: warning: variable ‘fileName’ set but
not used [-Wunused-but-set-variable]
char fileName[100];
^~~~~~~~
frameBuffer.c:95:9: warning: unused variable ‘pxllocation’
[-Wunused-variable]
int pxllocation=0;
^~~~~~~~~~~
alsa_rdwr.c: In function ‘set_hwparams’:
alsa_rdwr.c:155:47: warning: pointer targets in passing
argument 2 of ‘snd_pcm_hw_params_get_buffer_size’ differ in
signedness [-Wpointer-sign]
snd_pcm_hw_params_get_buffer_size(params,
&audioData->bufferSize);
^
In file included from /usr/include/alsa/asoundlib.h:54:0,
from alsa_rdwr.c:24:
/usr/include/alsa/pcm.h:841:5: note: expected
‘snd_pcm_uframes_t * {aka long unsigned int *}’ but
argument is of type ‘snd_pcm_sframes_t * {aka long int *}’
int snd_pcm_hw_params_get_buffer_size(const
snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
TimerBasedRecorder.c: In function ‘allocateDataMemory’:
TimerBasedRecorder.c:183:35: warning: pointer targets in
assignment differ in signedness [-Wpointer-sign]
tmpPdata->FileMemBuff = (char
*)malloc((TIME_STAMP_BYTES + GPIO_VALUE_BYTES +
GPIO_SUB_TOKEN_SIZE));
^
TimerBasedRecorder.c:197:21: warning: pointer targets in
passing argument 1 of ‘sprintf’ differ in signedness
[-Wpointer-sign]
sprintf(tmpPdata->memBuff,"gpio%d|",
pData->perId);
^~~~~~~~
In file included from TimerBasedRecorder.c:1:0:
/usr/include/stdio.h:366:12: note: expected ‘char *
restrict’ but argument is of type ‘unsigned char *’
extern
STDOUT: make: Entering directory '/opt/MATLAB/server_v18.1.0'
[Compiling] auth.c
gcc -c -O2 -Wall -I/opt/userland
-I/opt/userland/host_applications/linux/libs/bcm_host/include
-I/opt/userland/interface/vcos
-I/opt/userland/interface/vcos/pthreads
-I/opt/userland/interface/vmcs_host/linux
-I/opt/userland/host_applications/linux/apps/raspicam
-I/opt/nanomsg/include -Winline -pipe -D_DEBUG -D_MATLABIO_
-DNANOMSG_TRANSPORT=1 auth.c -o obj/auth.o
[Compiling] server.c
gcc -c -O2 -Wall -I/opt/userland
-I/opt/userland/host_applications/linux/libs/bcm_host/include
-I/opt/userland/interface/vcos
-I/opt/userland/interface/vcos/pthreads
-I/opt/userland/interface/vmcs_host/linux
-I/opt/userland/host_applications/linux/apps/raspicam
-I/opt/nanomsg/include -Winline -pipe -D_DEBUG -D_MATLABIO_
-DNANOMSG_TRANSPORT=1 server.c -o obj/server.o
[Compiling] handler.c
gcc -c -O2 -Wall -I/opt/userland
-I/opt/userland/host_applications/linux/libs/bcm_host/include
-I/opt/userland/interface/vcos
-I/opt/userland/interface/vcos/pthreads
-I/opt/userland/interface/vmcs_host/linux
-I/opt/userland/host_applications/linux/apps/raspicam
-I/opt/nanomsg/include -Winline -pipe -D_DEBUG -D_MATLABIO_
-DNANOMSG_TRANSPORT=1 handler.c -o obj/handler.o
[Compiling] devices.c
gcc -c -O2 -Wall -I/opt/userland
-I/opt/userland/host_applications/linux/libs/bcm_host/include
-I/opt/userland/interface/vcos
-I/opt/userland/interface/vcos/pthreads
-I/opt/userland/interface/vmcs_host/linux
-I/opt/userland/host_applications/linux/apps/raspicam
-I/opt/nanomsg/include -Winline -pipe -D_DEBUG -D_MATLABIO_
-DNANOMSG_TRANSPORT=1 devices.c -o obj/devices.o
[Compiling] LED.c
gcc -c -O2 -Wall -I/opt/userland
-I/opt/userland/host_applications/linux/libs/bcm_host/include
-I/opt/userland/interface/vcos
-I/opt/userland/interface/vcos/pthreads
-I/opt/userland/interface/vmcs_host/linux
-I/opt/userland/host_applications/linux/apps/raspicam
-I/opt/nanomsg/include -Winline -pipe -D_DEBUG -D_MATLABIO_
-DNANOMSG_TRANSPORT=1 LED.c -o obj/LED.o
[Compiling] GPIO.c
gcc -c -O2 -Wall -I/opt/userland
-I/opt/userland/host_applications/linux/libs/bcm_host/include
-I/opt/userland/interface/vcos
-I/opt/userland/interface/vcos/pthreads
-I/opt/userland/interface/vmcs_host/linux
-I/opt/userland/host_applications/linux/apps/raspicam
-I/opt/nanomsg/include -Winline -pipe -D_DEBUG -D_MATLABIO_
-DNANOMSG_TRANSPORT=1 GPIO.c -o obj/GPIO.o
[Compiling] I2C.c
gcc -c -O2 -Wall -I/opt/userland
-I/opt/userland/host_applications/linux/libs/bcm_host/include
-I/opt/userland/interface/vcos
-I/opt/userland/interface/vcos/pthreads
-I/opt/userland/interface/vmcs_host/linux
-I/opt/userland/host_applications/linux/apps/raspicam
-I/opt/nanomsg/include -Winline -pipe -D_DEBUG -D_MATLABIO_
-DNANOMSG_TRANSPORT=1 I2C.c -o obj/I2C.o
[Compiling] SPI.c
gcc -c -O2 -Wall -I/opt/userland
-I/opt/userland/host_applications/linux/libs/bcm_host/include
-I/opt/userland/interface/vcos
-I/opt/userland/interface/vcos/pthreads
-I/opt/userland/interface/vmcs_host/linux
-I/opt/userland/host_applications/linux/apps/raspicam
-I/opt/nanomsg/include -Winline -pipe -D_DEBUG -D_MATLABIO_
-DNANOMSG_TRANSPORT=1 SPI.c -o obj/SPI.o
[Compiling] serial.c
gcc -c -O2 -Wall -I/opt/userland
-I/opt/userland/host_applications/linux/libs/bcm_host/include
-I/opt/userland/interface/vcos
-I/opt/userland/interface/vcos/pthreads
-I/opt/userland/interface/vmcs_host/linux
-I/opt/userland/host_applications/linux/apps/raspicam
-I/opt/nanomsg/include -Winline -pipe -D_DEBUG -D_MATLABIO_
-DNANOMSG_TRANSPORT=1 serial.c -o obj/serial.o
[Compiling] system.c
gcc -c -O2 -Wall -I/opt/userland
-I/opt/userland/host_applications/linux/libs/bcm_host/include
-I/opt/userland/interface/vcos
-I/opt/userland/interface/vcos/pthreads
-I/opt/userland/interface/vmcs_host/linux
-I/opt/userland/host_applications/linux/apps/raspicam
-I/opt/nanomsg/include -Winline -pipe -D_DEBUG -D_MATLABIO_
-DNANOMSG_TRANSPORT=1 system.c -o obj/system.o
[Compiling] picam.c
gcc -c -O2 -Wall -I/opt/userland
-I/opt/userland/host_applications/linux/libs/bcm_host/include
-I/opt/userland/interface/vcos
-I/opt/userland/interface/vcos/pthreads
-I/opt/userland/interface/vmcs_host/linux
-I/opt/userland/host_applications/linux/apps/raspicam
-I/opt/nanomsg/include -Winline -pipe -D_DEBUG -D_MATLABIO_
-DNANOMSG_TRANSPORT=1 picam.c -o obj/picam.o
[Compiling] ip_server.c
gcc -c -O2 -Wall -I/opt/userland
-I/opt/userland/host_applications/linux/libs/bcm_host/include
-I/opt/userland/interface/vcos
-I/opt/userland/interface/vcos/pthreads
-I/opt/userland/interface/vmcs_host/linux
-I/opt/userland/host_applications/linux/apps/raspicam
-I/opt/nanomsg/include -Winline -pipe -D_DEBUG -D_MATLABIO_
-DNANOMSG_TRANSPORT=1 ip_server.c -o obj/ip_server.o
[Compiling] v4l2_cam.c
gcc -c -O2 -Wall -I/opt/userland
-I/opt/userland/host_applications/linux/libs/bcm_host/include
-I/opt/userland/interface/vcos
-I/opt/userland/interface/vcos/pthreads
-I/opt/userland/interface/vmcs_host/linux
-I/opt/userland/host_applications/linux/apps/raspicam
-I/opt/nanomsg/include -Winline -pipe -D_DEBUG -D_MATLABIO_
-DNANOMSG_TRANSPORT=1 v4l2_cam.c -o obj/v4l2_cam.o
[Compiling] MW_pigs.c
gcc -c -O2 -Wall -I/opt/userland
-I/opt/userland/host_applications/linux/libs/bcm_host/include
-I/opt/userland/interface/vcos
-I/opt/userland/interface/vcos/pthreads
-I/opt/userland/interface/vmcs_host/linux
-I/opt/userland/host_applications/linux/apps/raspicam
-I/opt/nanomsg/include -Winline -pipe -D_DEBUG -D_MATLABIO_
-DNANOMSG_TRANSPORT=1 MW_pigs.c -o obj/MW_pigs.o
[Compiling]
/opt/userland/host_applications/linux/apps/raspicam/RaspiCamControl.c
gcc -c -O2 -Wall -I/opt/userland
-I/opt/userland/host_applications/linux/libs/bcm_host/include
-I/opt/userland/interface/vcos
-I/opt/userland/interface/vcos/pthreads
-I/opt/userland/interface/vmcs_host/linux
-I/opt/userland/host_applications/linux/apps/raspicam
-I/opt/nanomsg/include -Winline -pipe -D_DEBUG -D_MATLABIO_
-DNANOMSG_TRANSPORT=1
/opt/userland/host_applications/linux/apps/raspicam/RaspiCamControl.c
-o obj/RaspiCamControl.o
[Compiling]
/opt/userland/host_applications/linux/apps/raspicam/RaspiPreview.c
gcc -c -O2 -Wall -I/opt/userland
-I/opt/userland/host_applications/linux/libs/bcm_host/include
-I/opt/userland/interface/vcos
-I/opt/userland/interface/vcos/pthreads
-I/opt/userland/interface/vmcs_host/linux
-I/opt/userland/host_applications/linux/apps/raspicam
-I/opt/nanomsg/include -Winline -pipe -D_DEBUG -D_MATLABIO_
-DNANOMSG_TRANSPORT=1
/opt/userland/host_applications/linux/apps/raspicam/RaspiPreview.c
-o obj/RaspiPreview.o
[Compiling]
/opt/userland/host_applications/linux/apps/raspicam/RaspiCLI.c
gcc -c -O2 -Wall -I/opt/userland
-I/opt/userland/host_applications/linux/libs/bcm_host/include
-I/opt/userland/interface/vcos
-I/opt/userland/interface/vcos/pthreads
-I/opt/userland/interface/vmcs_host/linux
-I/opt/userland/host_applications/linux/apps/raspicam
-I/opt/nanomsg/include -Winline -pipe -D_DEBUG -D_MATLABIO_
-DNANOMSG_TRANSPORT=1
/opt/userland/host_applications/linux/apps/raspicam/RaspiCLI.c
-o obj/RaspiCLI.o
[Compiling] joystick.c
gcc -c -O2 -Wall -I/opt/userland
-I/opt/userland/host_applications/linux/libs/bcm_host/include
-I/opt/userland/interface/vcos
-I/opt/userland/interface/vcos/pthreads
-I/opt/userland/interface/vmcs_host/linux
-I/opt/userland/host_applications/linux/apps/raspicam
-I/opt/nanomsg/include -Winline -pipe -D_DEBUG -D_MATLABIO_
-DNANOMSG_TRANSPORT=1 joystick.c -o obj/joystick.o
[Compiling] frameBuffer.c
gcc -c -O2 -Wall -I/opt/userland
-I/opt/userland/host_applications/linux/libs/bcm_host/include
-I/opt/userland/interface/vcos
-I/opt/userland/interface/vcos/pthreads
-I/opt/userland/interface/vmcs_host/linux
-I/opt/userland/host_applications/linux/apps/raspicam
-I/opt/nanomsg/include -Winline -pipe -D_DEBUG -D_MATLABIO_
-DNANOMSG_TRANSPORT=1 frameBuffer.c -o obj/frameBuffer.o
[Compiling] alsa_rdwr.c
gcc -c -O2 -Wall -I/opt/userland
-I/opt/userland/host_applications/linux/libs/bcm_host/include
-I/opt/userland/interface/vcos
-I/opt/userland/interface/vcos/pthreads
-I/opt/userland/interface/vmcs_host/linux
-I/opt/userland/host_applications/linux/apps/raspicam
-I/opt/nanomsg/include -Winline -pipe -D_DEBUG -D_MATLABIO_
-DNANOMSG_TRANSPORT=1 alsa_rdwr.c -o obj/alsa_rdwr.o
[Compiling] TimerBasedRecorder.c
gcc -c -O2 -Wall -I/opt/userland
-I/opt/userland/host_applications/linux/libs/bcm_host/include
-I/opt/userland/interface/vcos
-I/opt/userland/interface/vcos/pthreads
-I/opt/userland/interface/vmcs_host/linux
-I/opt/userland/host_applications/linux/apps/raspicam
-I/opt/nanomsg/include -Winline -pipe -D_DEBUG -D_MATLABIO_
-DNANOMSG_TRANSPORT=1 TimerBasedRecorder.c -o
obj/TimerBasedRecorder.o
[Compiling] UdpRecorder.c
gcc -c -O2 -Wall -I/opt/userland
-I/opt/userland/host_applications/linux/libs/bcm_host/include
-I/opt/userland/interface/vcos
-I/opt/userland/interface/vcos/pthreads
-I/opt/userland/interface/vmcs_host/linux
-I/opt/userland/host_applications/linux/apps/raspicam
-I/opt/nanomsg/include -Winline -pipe -D_DEBUG -D_MATLABIO_
-DNANOMSG_TRANSPORT=1 UdpRecorder.c -o obj/UdpRecorder.o
[Compiling] AudioRecorder.c
gcc -c -O2 -Wall -I/opt/userland
-I/opt/userland/host_applications/linux/libs/bcm_host/include
-I/opt/userland/interface/vcos
-I/opt/userland/interface/vcos/pthreads
-I/opt/userland/interface/vmcs_host/linux
-I/opt/userland/host_applications/linux/apps/raspicam
-I/opt/nanomsg/include -Winline -pipe -D_DEBUG -D_MATLABIO_
-DNANOMSG_TRANSPORT=1 AudioRecorder.c -o obj/AudioRecorder.o
[Compiling] recorder.c
gcc -c -O2 -Wall -I/opt/userland
-I/opt/userland/host_applications/linux/libs/bcm_host/include
-I/opt/userland/interface/vcos
-I/opt/userland/interface/vcos/pthreads
-I/opt/userland/interface/vmcs_host/linux
-I/opt/userland/host_applications/linux/apps/raspicam
-I/opt/nanomsg/include -Winline -pipe -D_DEBUG -D_MATLABIO_
-DNANOMSG_TRANSPORT=1 recorder.c -o obj/recorder.o
echo [Linking]
[Linking]
Makefile:63: recipe for target 'build' failed
make: Leaving directory '/opt/MATLAB/server_v18.1.0'

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Answers (1)

Karun Mathiazhagan
Karun Mathiazhagan on 26 May 2019
Hello Prabin,
This is likely caused by updates made to the userland library as of December 10th, 2018. A support package update to fix this issue was released in February 2019. I would recommend removing and reinstalling the support package.
I hope this helps.
Best,
Karun

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