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Re: serial communication with hex strings
Posted:
Jan 29, 2009 12:15 PM
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"Ken " <robinson@kuchera.com> wrote in message
news:glsl90$gni$1@fred.mathworks.com...
> Im trying to output a HEX string to a camera to makes it turn a filter on.
> The command is '8101040102FF'. I've made a small m.file to do it. When i
> run the m.file the filter doesnt turn on.
> Im not sure if the HEX string is being output ftom the m.file to the com
> port because nothing happens.
>
> code
>
> s=serial('COM1');
> set(s,'BaudRate', 9600);
> set(s,'DataBits', 8);
> set(s,'StopBits', 1);
> fopen(s);
> Str=('8101040102FF');
> sprintf('%s %X','8101040102FF')
> fclose(s);
It looks like you already have the hex string. The only thing missing is
FWRITE.
s=serial('COM1');
set(s,'BaudRate', 9600);
set(s,'DataBits', 8);
set(s,'StopBits', 1);
fopen(s);
Str=('8101040102FF');
fwrite(s,Str);
fclose(s);
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