How to send serial message to text file

Question

Hello, I'd like to receive serial messages (ID, location, size) from the camera and write it down to a text file located in the micro-SD card. Would it be possible to show both Python and C++ method to achieve this?

Answer 1

If you're writing python on a computer where you've connected the device via serial or USB, it's pretty easy.  There's a serial library that does the hard work of reading serial.

Something like

import serial

port='/dav/ttyACM0'

ser = serial.Serial(port,115200,timeout=1)

line = ser.readline()

print (line.decode('utf8'))

#open your text file and write the line, might want to decode the binary

If you send the USBSD command, you can access the SD card just like any device/file and put your file there.

If you want to put this on the device itself, perhaps someone else can give you some hints. I haven't tried that.

Comments

Thank you for your reply. As you pointed out, I am trying to write the file directly onto the micro-SD which is found inside the JeVois Camera, since this would take care of the USBSD command and copy/pasting of the file. I hope someone can give me hints about this, but for the time being, I will try to experiment and play around with it for a while.