Sending Images to RS232

[Pesticida]

Hi,

Did some one have a Idea how I can Read and Send a little JPG Image ~ 80KB trough RS232 Interface.

Thanks for any Information.

Regards Pesti

[BigWumpus]

Via X-, Y- or ZMODEM ?

You are free to define your own protocol...

[skimask]

Did some one have a Idea how I can Read and Send a little JPG Image ~ 80KB trough RS232 Interface.

SEROUT, SEROUT2, DEBUG, and so on...

[Jerson]

I will second BigWumpus on the protocol part. However if you are not game to do it that way, you can take a chunk of 16 bytes, checksum it and send. When received, ack/nak the chunk to decide whether to move on. This may be far simpler to implement.

[Pesticida]

Hi,

My Idea is to capture frome some Digital Kamera a Picture and than to Read with the Microcontroller and to send via Gprs Modem.

Thanks

regards Pesti

[skimask]

My Idea is to capture frome some Digital Kamera a Picture and than to Read with the Microcontroller and to send via Gprs Modem.

How long do ya suppose this will take?

[Ron Marcus]

A file is a file. Whether a .jpg, or text, you need to know where it is, how long it is, and the destination. You need horsepower, and 32 bit math. I sent pictures from an SD card, to an SD card wirelessly. It took a while at 115Kbaud. GMRS has limited bandwidth.

[Pesticida]

Hi,


How long do ya suppose this will take?

Something between 10-40 Seconds Sending and ~ 80 KB.

For the moment I want to use this Resolution 640X480 Pixel.

Regards Pesti

[BigWumpus]

I think,

if you mange it to read out the ccd and you know what system will work on the "end" of the GPRS-connection, then it will be easy to find a simple protocol you can use.

So, do your homework and try to make clear, what you want to do.

[skimask]

Something between 10-40 Seconds Sending and ~ 80 KB.
For the moment I want to use this Resolution 640X480 Pixel.
Regards Pesti

What I meant was...how long to finish said project...

[Pesticida]

:-)

1-2 Months.

I need this for a Elevator,I have in the Elevator a Security system that is connectd with a GPRS Modem.
When someone Push the SOS Button then I make a single Picture shot and then I send the Data to the Security Center to see what is wrong .
The Problem is that I dont know what Digital Camera should I use for this Project.

Regards Pesti

[Ron Marcus]

What is the average, not maximum data rate for the GPRS modem?

[Pesticida]

Sorry but I dont understand what you mean with average! :-)

Regards Pesti

[skimask]

Sorry but I dont understand what you mean with average! :-)
Regards Pesti

http://dictionary.reference.com/browse/average

[Pesticida]

How much Photos!