is the process of sending data one bit at a time, sequentially, over a communication channel or computer bus.
0
votes
0answers
21 views
Mono C# TCP Socket Server Blocking UART Serial Port
I wanna get commands with clients (other devices like android devices) and control microcontroller with UART serial port.
I wrote async TCP Socket server with mono C#. Like [this].
...
1
vote
1answer
128 views
How to configure serial port settings of /dev/ttyAMA0?
I want to access the serial port by some BASH script files via /dev/ttyAMA0.
How do I configure the serial port settings like speed, parity even/odd?
1
vote
0answers
207 views
How to use socat to transfer serial commands in a script over TCP/IP?
I have a web application that will constantly post some queries and get replies from a device through the serial port on Raspberry Pi. Like this:
@cherrypy.expose
def login (self, **data):
...
0
votes
0answers
63 views
Why am I seeing some garbage bytes at the serial console login?
When I log into my serial console using screen /dev/ttyUSB0 115200, I see some garbage in the output:
��
Arch Linux 3.6.11-10-ARCH+ (ttyAMA0)
raspberry login: root
�Password:
Login incorrect
...
1
vote
1answer
691 views
Serial versus USB connection for RFID reader
I'm a university student attempting to make a wall-mounted RFID reader using a Raspberry Pi device and a Parallax RFID reader. I'm still in the process of planning and ordering the components, and ...
5
votes
1answer
132 views
How do I set up a terminal log-in via USB port in Raspbian?
How can I set up a log-in focused on a USB port so I can hook up a DB9-to-USB cable I already own up to log in using putty or minicom?
0
votes
0answers
82 views
Serial Console Server?
Ok, I have plugged ~8 USB/Serial dongles into my Pi to allow console access to some servers by means of null modem cables. That part works. To get access to my servers remotely, I ssh into the pi, ...
3
votes
1answer
439 views
Reading serial data from Arduino
I have am working on a project where I'm trying to get a Raspberry Pi to play some sounds when triggered by button presses on an Arduino. The command is sent to Raspberry Pi through serial. I used ...
0
votes
1answer
219 views
Raspberry pi and serial
I want to design a simple application to write data from the raspbbery pi to my pc.
My questions are :
When raspberry pi starts I understand that it writes to the serial port boot messages.
Can I ...
0
votes
1answer
160 views
Connect raspberry pi to my computer via serial port
I want to connect my raspberry pi directly to my computer using the serial port.I want to send data and receive data.
I have an old usb prolific cable that has 3 wires GND RX TX is is suitable to ...
0
votes
3answers
125 views
What application (and options) should I use to get terminal access to my Pi over a USB/serial cable on Linux?
I've got a Raspberry Pi with a Raspbian SD card, connected to my Debian laptop via a USB TTY cable. The cable is supplying power to the board; my user is in the dialout group, and can see ...
0
votes
0answers
180 views
Reading serial data on Raspberry PI
I'm having a trouble figuring out where do i make a mistake. I've had a little rfid-read project which was developed on Arduino. Recently i have obtained a raspberry-pi and i wanted to port my old ...
2
votes
1answer
153 views
Writing to an LCD screen
I just received my Pi (and parts) and I'm very excited to begin tinkering, though, it seems it hit an early road bump. I am running the latest version of Raspbian Wheezy with an LCD screen from ...
1
vote
1answer
2k views
SPI example with Raspberry Pi and another MCU
I've never used SPI before (for serial communication) and was wondering if any experienced Pi users out there know if the Pi board can use SPI to send and receive data to other MCUs on different ...
0
votes
1answer
246 views
Do I even need a second board?
I am trying to use Raspberry Pi to stream and audio/video feed, and will probably be installing FFmpeg to do most of the work.
I am trying to connect a camera and a microphone to the Pi board so that ...
1
vote
0answers
508 views
XBee library for Raspberry Pi
Is there any existing easy way to install a library for XBee in Raspberry Pi?
I found a library, but I don't yet posess the knowledge to get that library to work on the Raspberry Pi.
I have the XBee ...
2
votes
2answers
604 views
UART serial interrupt routine
Is there a simple way to use the registers as an interrupt trigger?
I can make the application run in a new pid and poll for serial input using fork()
I just need to read data, no write needed
This ...
0
votes
0answers
162 views
Which chip to use to connect a Serial device to raspberry pi
I recently tore apart my old laptop and scavenged a few parts from it, namely a fingerprint scanner and a synaptics touchpad which I want to use with my raspberry pi.
All are 4 wire devices so ...
2
votes
2answers
426 views
UART Output working on 57600 Baud but with 115200 only gibberish
I've got a strange problem with serial output. Using Wheezy and 8 Databits, 1 Stopbit, NoFlowcontroll, NoParity (config as stated in eLinux Wiki). With 57600 Baud everything works fine but with 115200 ...
9
votes
3answers
438 views
How do I connect my printer to the serial GPIO pins?
I've purchased a Mini Thermal Printer from Adafruit. The documnetation states:
This printer is ideal for interfacing with a microcontroller, you
simply need a 3.3V to 5V TTL serial output from ...
3
votes
2answers
256 views
Interfacing with an RC receiver using PWM on the GPIOs
I've been struggling for a few days and haven't managed to turn up a lot on the internet. I'm looking to READ from the PWM output of an RC receiver through one of the GPIO's on the RPi. I've read ...
13
votes
2answers
2k views
Can Raspberry Pi reliably bit bang a 9600 baud serial and is there example code?
I am wondering how feasible it is to use bitbanging to drive a 9600 baud serial via the GPIO pins on the Raspberry Pi.
Obviously, Linux is not a terribly good platform for bitbanging, as there is a ...
7
votes
3answers
8k views
How do I get the data from the serial port?
I have a Ciseco XRF radio module and a Slice of Pi expansion board.
Using the program 'screen' works fine; I can see data being transmitted to the XRF module.
How do I get the data from the serial ...
9
votes
4answers
6k views
GPIO-UART-to-Arduino communication
I have been trying with no luck to get the Raspberry Pi talking to an Arduino. I am using a 3.3 V-to-5 V converter to swap voltages. I did put an LED on the UART TX pin, and it looks like it ...
5
votes
2answers
4k views
How can I connect to a USB serial device?
I have a device with a USB serial port cable that I'd like to connect to my Raspberry Pi. The chipset for this USB to serial cable it the PL-2303 from Prolific Technology, Inc.
How can I read data ...
