How to send image to serial port?

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Good day! I have a problem with printing image. How I must fill this function?

WriteFile(serial_port, (void *)argv[1], file_name_size, &bytes_written, NULL);

Please give me an example.

Posted 30-May-10 21:20pm

Agrafena

Updated 30-May-10 23:03pm

Moak

v2

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Richard MacCutchan · Answer 1 · 2010-05-30T22:01:00

Solution 1

Agrafena wrote:
Please give me an example.

An example of what? Please explain what you are trying to do. The title says send an image on com port and your comment says you have a problem with printing.

Posted 30-May-10 22:01pm

Richard MacCutchan

Agrafena · Answer 2 · 2010-05-30T22:08:00

Solution 2

I print a document with picture. My printeris based on RS232 interface. I connect with COM1 port and send date. I need example of manipulation with image.

Posted 30-May-10 22:08pm

Agrafena

Comments

Richard MacCutchan 31-May-10 7:59am

If you are doing it this way then you will need to send all the control codes to your printer to render your image. Much better to use the built in print support in Windows.

Cedric Moonen · Answer 3 · 2010-05-30T23:22:00

You shouldn't access the serial port directly. You have to use the higher level functions from Windows to print. They make abstraction of which type of printer is connected (and how it is connected).

Take a look at this section[^] on codeproject to look for a suitable article for your needs.

Agrafena · Answer 4 · 2010-05-31T08:00:00

Solution 4

I'm sorry, but there are not full answer. How can I create a Bitmap object(black/white)-by CreateCompatibleBitmap function? But how I can sent it to print?

Posted 31-May-10 8:00am

Agrafena

Updated 31-May-10 8:12am

v2

Niklas L · Answer 5 · 2010-06-08T06:07:00

Solution 5

One simple way would be to call ShellExecute[^] with the 'print' verb.

That requires you to first save your image to a file.

Posted 8-Jun-10 6:07am

Niklas L

How to send image to serial port?

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