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I tried connecting the Raspberry Pi to my laptop. It says host not found with this error.

4 ビュー (過去 30 日間)
Madhumitha
Madhumitha 2015 年 3 月 22 日
コメント済み: Abdullah Alkurdi 2018 年 1 月 12 日
Error using raspi (line 160) Cannot establish an SSH connection to the board with device address "raspberrypi-DXxpbHI8JG".
Caused by: Error using raspi (line 156) Error executing command: Unable to open connection: Host does not exist I did enable SSH on pi. How do I solve this?

回答 (2 件)

Murat Belge
Murat Belge 2015 年 3 月 24 日
Find out the IP address of your Raspberry Pi and try connecting using the IP address instead of the host name. First ping on the MATLAB command line:
>> ping <IP address of your Raspberry Pi>
And if ping is successful:
>> h = raspberrypi;
>> connect(h)
  1 件のコメント
Abdullah Alkurdi
Abdullah Alkurdi 2018 年 1 月 12 日
>> connect(h) Warning: The connect method of the raspberrypi object will be removed in a future release. You do not need to call the connect method anymore. > In raspberrypi/connect (line 187)

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Abdullah Alkurdi
Abdullah Alkurdi 2018 年 1 月 12 日
if true
>> raspi
### Updating Raspberry Pi I/O server...
### Connecting to board...
### Connected to raspberrypi...
### Creating server folder...
### Transferring source files...
### Building MATLAB I/O server...
Error using raspi.internal.updateServer (line 90)
Error executing command "make -C /opt/MATLAB/server_v17.1.1 -f Makefile". Details:
STDERR: In file included from /usr/include/string.h:630:0, from devices.c:4: devices.c:56:11: error: expected identifier or ‘(’ before ‘__extension__’ char strndup(const char *s, size_t n) ^ make: ** [obj/devices.o] Error 1
STDOUT: make: Entering directory '/opt/MATLAB/server_v17.1.1' [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 -Winline -pipe -D_DEBUG -D_MATLABIO_ 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 -Winline -pipe -D_DEBUG -D_MATLABIO_ 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 -Winline -pipe -D_DEBUG -D_MATLABIO_ 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 -Winline -pipe -D_DEBUG -D_MATLABIO_ devices.c -o obj/devices.o Makefile:46: recipe for target 'obj/devices.o' failed make: Leaving directory '/opt/MATLAB/server_v17.1.1'
Error in raspi.updateServer (line 1194) raspi.internal.updateServer(varargin{:});
Error in raspi/launchServer (line 794) raspi.updateServer(obj.DeviceAddress,...
Error in raspi (line 203) launchServer(obj);
end

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