Raspberry Pi Forums

david_1234

strange thing I have try to do this with another PI the RFID is working the Cnabus not I have took the Canbus and connected it to my first PI - and it's working (so the problem is not in the device itself) I copy the config file as is - and still not working check the connections - all are good : IN...

david_1234

I have change the boot/config.txt like you told me # Uncomment some or all of these to enable the optional hardware interfaces dtparam=i2c_arm=on #dtparam=i2s=on dtparam=spi=on dtoverlay=mcp2515-can1,oscillator=8000000,interrupt=12 dtoverlay=spi-bcm-overlay and it's working - Thanks , I will ask if ...

david_1234

can you help me with finding where to change the CEO pin for the canbus? I thought its in the /boot/config - but no couldn't find anywhere but if I llo at the MFRC522.py file , Ionly get the reset pi ? [code def __init__(self, dev='/dev/spidev0.0', spd=1000000): spi.openSPI(device=dev,speed=spd) GPI...

david_1234

Hello , I have wroking with python code as shown here https://pimylifeup.com/raspberry-pi-rfid-rc522 and I want to use java code to work with the reading of the RFID I have found this https://github.com/Sacredgamer/RFID-RC552-Interface - this because I have a ready java code , and I want to add to i...

david_1234

Great I will try it and see if i have any problems...

Thanks ,

david_1234

Hello , I wanted to know how can I connect canbus interface with this setting: https://www.raspberrypi.org/forums/viewtopic.php?t=141052 and RFID https://pimylifeup.com/raspberry-pi-rfid-rc522/ to the same Pi ? I'm using PI 3 and every setup alone is working but can I connect both of them and make t...

david_1234

the setting where madew in the eth0 interface GPIO (from the upper right corner)

I guess my problem was soemthing in the DNS of that router (10.0.0.1)
I have change it and - everything start to work.

Thanks ,

david_1234

Hello , I'm trying to setup my PI to be 10.0.0.100/24 DG is 10.0.0.1/24 the DNS is also from 10.0.0.1 this is waht I did: IPv4 Address 10.0.0.100/24 IPv6 Address _ Blanck Router 10.0.0.1 DNS Server 10.0.0.1 DNS Search 10.0.0.1 this is what I get pi@raspberrypi:~ $ ifconfig eth0: flags=4163<UP,BROADC...

david_1234

Thanks !

david_1234

Hello , up until now I used vnc with PI 2 - everything works great now I started to use PI3 - but when I enter using VNC - I get only half of the screen I have try to change all scaling in the Propoties but nothing . can't see the destop as I would if I'm connection using HDMI cable so what to do ? ...

david_1234

Hello ,
wanted to know
I want to be able to read data from 2 serail devices at the same time
does the PI have this option?
open 2 serail ports at the same time ? or does it have only 1 ?

Thanks ,

david_1234

1. what do you mean by - "look at screen"? then what will I see when I log ? the first 2 min? "live" data? - also how do I do this? 2. output the data - not good option for me , I don't need to save it . but i will think about this option 3. I have try systemd - you can see in previos post - also do...

david_1234

still not working ,
the code is running (as it should - I get the reading to my server) but I don't see nothing when I login to the PI .

did you see what I have post?
what I wnat to see when I log to the PI?

Thanks ,

david_1234

to save future problems\questions 1. I guess I need to remove what I added to the rc.local, right? so the only referance I will have is in the .bashrc file ? 2. I have added the lines you told me in the end of the file , so the end of the file look like this : # enable programmable completion featur...

david_1234

I know it's not working because my code is a loop that reading data from serial and sending a UDP to my server once every 30 seconds. when I did what you told me (remove the " ' " and add " & " ) - after booting I didn't get UDP (and I wait for 10 min). when I return to my starup setting - after boo...

david_1234

the java is not a graphical .
my java is a read data from connected devcie and dispaly it as text .

I have done what you say
change the rc.local
but now it's not running at all at startup

why?

Thanks ,

david_1234

and what about the last line ? 'exit 0 ' should I leave it as is ? or remove it at all? and to to the same ? exit 0 & ? about the second answer of topguy the java is run auto when the PI is power , so I don't understad the quesion . and when I say CMD - I do mean Terminal :-) so I wnat to be able to...

david_1234

Hello , I have written some java code for my PI ,and make it work on startup (added it to rc.local) rc.local '/home/pi/Documents/start.sh' 'exit 0' start.sh #/bin/bash sleep 60; java -jar /home/pi/Desktop/Startup.jar the code is running without any problem and do what he need to do :) but i can't se...

david_1234

I'm using the can utility

david_1234

Hello ,
I'm running the candump from my respberry pi
but I get a lot of unneeded data
I know the PID I need
so how can I do something and save into file \ show in terminal only the PID I want ?
for example
show me only 123,111,251,356 ?

Thanks,

david_1234

Cansome one help or guide me ? when I connect the canbus to my car i get a lot of data I want to see only the data I want for example only PID 156,111,164,265 how Do I do this? is it something in the canutilitis I need to do ? cansniffer? or I need to write an external code that will read the candum...

david_1234

Hello , I want to use the can-utils now I can see he his saving me the file once every 4kb how can I save the file in another directory ? is there any why to change the can-utils setting? change the name of the file ? also I want to upload the files created into a FTP server how can I do this ? I ah...

david_1234

don't know what I did - but I reinstall everything and now it's working

now I want to do this :
run a pyton code that take the data and solve it as a simple massage
for example:
when I get 18FE320 - I will decode it as "door open"

how can I do this ?

Thanks ,

david_1234

I did everything like it say in the guide but I don't get the can interface any idea why ? I havetry 2-3 times - I get no error in any step , but I don't have "can" interface. The mcp2515 is connected as shown in the setup I'm using raspberry pi 2 Model B - Jessie 4.9.35-V7 waht am I doing wrong ? T...

david_1234

Hello , I want to run on the raspberry an arduino code part of the code is sending some data to my computer using the ethernet port can I do this ? do I need to change something on the Ethernet libary of the arduino? the code get stuck while trying to run this command : Udp.print ("test"); I have al...

Search found 200 matches

Re: How can I connect Canbus and RFID to the same PI?

Re: How can I connect Canbus and RFID to the same PI?

Re: How can I connect Canbus and RFID to the same PI?

running RFID with java - how to ?

Re: How can I connect Canbus and RFID to the same PI?

How can I connect Canbus and RFID to the same PI?

Re: PI 3 eth0 IP setting problem - have ping but no DNS?

PI 3 eth0 IP setting problem - have ping but no DNS?

Re: VNC on PI 3 is - see only half of desktop?

VNC on PI 3 is - see only half of desktop?

using PI with 2 serail ports?

Re: open CMD on startup with and eun a command?

Re: open CMD on startup with and eun a command?

Re: open CMD on startup with and eun a command?

Re: open CMD on startup with and eun a command?

Re: open CMD on startup with and eun a command?

Re: open CMD on startup with and eun a command?

open CMD on startup with and eun a command?

Re: Save only wanted canbus data

Save only wanted canbus data

Re: [quick-guide] CAN bus on raspberry pi with MCP2515

canbus netwroking using can-utils - need help saving file

Re: [quick-guide] CAN bus on raspberry pi with MCP2515

Re: [quick-guide] CAN bus on raspberry pi with MCP2515

can I use the ethernet port while running a arduino code?