How do I convert an 8 bit serial data string I have received (say 01110101) into decimal format??
I am having a hard time finding a function that will help me convert an 8 bit serial data string I have received (say 01110101) into decimal format.
When you have your front panel displayed, you should a whole palette of controls that you can place on the front panel. If the palette is not displayed, thne just right click on your mouse and it should appear. The upper left most set of controls on the palette is Numeric. Go there and select Numeric Indicator to display a numeric output. On the diagram, you can also right click the output 1 and select Create>Indicator. The format string is %b (as in boy) for a binary string. As I said, this should be the value for the format string input. You can right click on the Scan From String and select Edit Scan String. This will bring up a dialog box in which you pick what you want to do (Scan Number) and how you want to do it (Scan Binary Integer
It sounds like you really need to take a course in LabVIEW programming. There are are links here to NI classes and some on-line tutorials.
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ThanksIntelligent wrote:
I want to plot these data on waveform chart. Basically these will be representing a signal, which to be plotted in the chart.
I am sending them from microcontroller 8052.
thnaks
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16 bit serial data communication
Hello,
I want to acquire data serially which is 16 bit.
Learning from the post http://forums.ni.com/t5/LabVIEW/16-bit-receive-over-rs-232/td-p/1214869/page/3
I was succeeded in joining the two eight bits. But the problem i am facing is that the two eight bits some time interchanges each other from MSB to LSB. The Block diagram Code is same as that from the above thread infact i have also plotted the data on Waveform Chart.
To simulate the behavior, i have created a program of 16 bit addition and sending the data as LSB and MSB on the serial port.
Here i am sending you the pics that may help you to identify the problem.
This is the first picture that shows the serial port properties, The graph, and the resulting string that contains LSB then
MSB and than the Conversion Result i.e 16 bit output.
This graph is exactly following the Conversion result
But when the LSB and MSB are interchanged this can we viewed clearly from this. Here the incremented result is reflected on MSB in place of LSB and has disturbed the whole program
The graphical representation of the error
In such Cases it is noted that the return count does not counts correctly as shown
To check whether the error is not at the transmission end,
I made another program in which I first send
1 2
3 4
5 6
7 8
9 10
And the same problem came here too. as shown below
Here you can see that I didn’t send 0 but 0 is here as
the first received data. Also the data is transmitted in five cycles but
received in six cycles also the return count is 1 again.
Waiting for reply
Thanks
Note:- I request you to please don't consider my another thread of Multichannel data receiving as same. They both are for different objective. ThanksAs i wrote that i have got the idea of 16 bit communication from the thread http://forums.ni.com/t5/LabVIEW/16-bit-receive-over-rs-232/td-p/1214869/page/3
The Code of this is also the same which is as under
Spoiler (Highlight to read)
Spoiler (Highlight to read)
The Data is transmitted as two serial bits and joined at the end. Wel can you give me a more clear idea of what could be the easy technique of specifying the start bit and stop bits.
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I have a problem analysing captured data of a digital I/O board. I hope one of you can give me an advice/hint on this.
Used Software: Labview Express 7.0
Problem description:
The captured digital data contains on channel 0 a clock signal, on channel 1 a reset signal and on channel 3 a data signal. The data signal is syncronized to the clock and consists out of 8 serial data bits. My problem is, how to convert this clock syncronized serial data signal into a sequence (array) of bytes each represented by 2 hex digits?
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[james@IceMan ~]$ stty -a -F /dev/ttyr00
speed 9600 baud; rows 0; columns 0; line = 0;
intr = <undef>; quit = <undef>; erase = <undef>; kill = <undef>; eof = <undef>; eol = <undef>; eol2 = <undef>; swtch = <undef>; start = ^Q; stop = ^S;
susp = <undef>; rprnt = <undef>; werase = <undef>; lnext = <undef>; flush = <undef>; min = 0; time = 0;
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-ignbrk -brkint -ignpar parmrk inpck -istrip -inlcr -igncr -icrnl -ixon -ixoff -iuclc -ixany -imaxbel -iutf8
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-isig -icanon -iexten -echo -echoe -echok -echonl -noflsh -xcase -tostop -echoprt -echoctl -echoke
[james@IceMan ~]$ stty -g -F /dev/ttyr00
18:0:8bd:4000:0:0:0:0:0:0:0:0:11:13:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0
[james@IceMan2 ~]$ stty -a -F /dev/ttyr00
speed 9600 baud; rows 0; columns 0; line = 0;
intr = ^C; quit = ^\; erase = ^?; kill = ^U; eof = ^D; eol = <undef>; eol2 = <undef>; swtch = <undef>; start = ^Q; stop = ^S; susp = ^Z; rprnt = ^R;
werase = ^W; lnext = ^V; flush = ^O; min = 1; time = 0;
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isig icanon iexten echo echoe echok -echonl -noflsh -xcase -tostop -echoprt echoctl echoke
[james@IceMan2 ~]$ stty -g -F /dev/ttyr00
500:5:cbd:8a3b:3:1c:7f:15:4:0:1:0:11:13:1a:0:12:f:17:16:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0
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