Questions tagged [serial-console]

The serial console is a text entry and display device for system administration connected through a serial link.

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Raspbian system-wide hang after using “reset” and logging-off from the serial console

I'm looking for an explanation and/or a solution for resolving an issue when connecting to the Pi by its serial console connection: After using the "reset" command at any point during a session - a ...
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1k views

Send data from arduino ble to raspberry pi 2 as serial over bluetooth

Im trying to send data from an arduino with integrated ble (bluno nano from DFRobot) to a raspberry pi 2 which has an hm10 ble module connected to its serial0 gpio14 and 15 pins. I link the devices ...
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3answers
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How to free the UART pins of Raspberry pi B+ from acting as a kernel console?

I have a Raspberry Pi B+ for my project with Raspbian Jessie OS installed on it.. I have to receive "Real-time" electric current values coming from a wireless Nordic module. So to start this serial ...
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1answer
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How to start installing Raspbian using serial console?

After finding out that I could redirect serial console output, I purchased a USB to Serial TTL PL2303HX (Prolific chipset) from eBay. Next step was to connect the serial adapter to the Pi. I have ...
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1answer
1k views

Raspberry Pi 3 with Python and XBee S2 Pro

I used to use the RPi 2b and had no problems with my Xbee codes but this new RPi3 is killing me. I can not read from my XBee model S2 Pro anymore. Following instructions from other forums I have ...
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1answer
2k views

Unable to open serial connection to modem

I posted a thread on the raspberry pi forums, but I believe my problem is too obscure to be helped there. Info below: Hello, I absolutely an unable to get my raspberry pi to open a serial connection ...
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0answers
415 views

Lost Serial on Pi3 running Pixel

I have just upgraded to the latest OS Raspbian Pixel and my serial connection has stopped working. I know that the hardware is configured correctly as it worked pre-update. I have updated to the ...
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1answer
2k views

TXD0/RXD0 to D+/D-

I am working on a project involving serial communication with the Raspberry Pi (for which I was using a USB to serial cable). I'm currently building the final version of the hardware, and I'm ...
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1answer
3k views

Change default console TERM from vt102 to xterm?

When connecting to the Pi by the serial console, I'd like to have the default TERM be xterm, rather than the current default of vt102: pi@raspberrypi:~$ echo $TERM vt102 pi@raspberrypi:~$ tty /dev/...
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Colored console over serial connection?

I am accessing two of my Pis via a serial connection on pins 8 and 10. One of them uses a serial to USB connector for my Mac and the other uses an HC-06 which connects to my Android. The console/...
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1answer
595 views

Trying to communicate over a serial connection between RPi and Picaxe 18M2 Microcontroller?

I am trying to get a serial connection between an RaspberryPi and a Picaxe 18M2 Microcontroller. I found out that I should build the following cirucit because the Rasperry and the Microcontroller have ...
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2answers
2k views

Disabling serial console/kernel messages on Pi B 2 while still being able to write/read to serial port

I would like to disable the serial console and boot up messages while still being able to write to the port. I have tried disabling the port in raspi-config. This disables the console and the kernel ...
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1answer
108 views

Journaling Error while connecting with TTL USB cable

I am currently trying to connect to my Raspberry Pi B+ from my Macbook Pro (El Capitan) using the following TTL USB cable: https://www.pi-supply.com/product/usb-ttl-serial-cable-debug-console-cable-...
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1answer
213 views

How to run a java serial data command with arguments on start-up

I am using Raspberry Pi 2 to a telosB base station to collect data from other sensors. I receive (on the terminal) hex data and redirect these incoming data into a python script which will clean and ...
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1answer
462 views

How tp get USB to USB UART console without linux

I'm trying to develop my own OS kernel from scratch for the raspberry pi and I want to be able to debug my code from my computer over putty through a cable. Now I've did a little googling and found ...
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2answers
8k views

Garbage on Raspberry Pi console

Hey! There's a solution under the question, go look... I'm using the Adafruit USB to TTL connector purchased from Microcenter. I have two separate parts, and have tried them both. I've wired it 6/...
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219 views

USB to Serial console communication using Cable [duplicate]

I am trying to communication between my computer and a Raspberry Pi 3 using a USB to TTL cable. I am receiving a lot of garbage through the communication and this is making it impossible to use the ...
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1answer
6k views

HC-05 Bluetooth with Raspberry Pi

I am currently trying to make my HC-05 Bluetooth Adapter (CZ-HC-05 gomcu) work with my Raspberry Pi (B+ V2, lates Raspbian freshly installed). I used this Tutorial: A cheap Bluetooth serial port for ...
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1answer
236 views

Serial console unreliability woes

I am trying to make the GPIO serial port of a Raspberry Pi 2 with Raspbian Wheezy work with an elevator (to control its movement and check status). But before I even plug it into the elevator, I am ...
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1answer
85 views

Why can I not access my raspberry pi over usb whilst using my wifi dongle?

I'm using adafruit's usb to ttl gadget to communicate with my raspberry pi over usb. For some reason when I plug in my Raspberry Pi Ralink RT8188 wifi dongle and reboot, I can't access my raspberry pi ...
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1answer
475 views

recovery console - worked once only

Im attempting to setup an rpi via the recovery console ("headless mode") via Mac. I installed the serial port drivers, plugged in the cable (per instructions) and started a session via ...
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1answer
208 views

Using only TXD, without RXD?

Can you use the TXD pin by itself, so that the UART is read only from the RXD on the device it is being sent to? My plan is to have a transistor on the RXDI (RXD in) pin of the Pi that can be turned ...
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3answers
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connecting a USB to Serial TTL PL2303HX to Raspberry Pi

I have a USB to Serial TTL PL2303HX (Prolific chipset) that I would like to connect to my Pi. My Pi model is 2011.12. The USB to Serial adapter has 5 PINs labeled as follows: 3V3 TXD RXD GND +5V I ...
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2answers
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Can I use a Galileo Gen 2 6 pin FTDI 3V3 Serial to USB cable with the raspberry pi?

I have a 6 pin Serial to USB cable from FTDI (TTL-232R-3V3). Here is the spec: http://www.ftdichip.com/Support/Documents/DataSheets/Cables/DS_TTL-232R_CABLES.pdf It works on the galileo gen 2 board. ...
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0answers
299 views

xterm-256color behavior on Mac OS X

I have succeeded getting a minimalist connection between my Mac and my Raspberry Pi (RPi). With one USB-Serial adapter cable, I login to my RPi and do command-line work, even using Vim to edit files, ...
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2answers
6k views

How to change the default baudrate of raspberry pi's serial port?

Iam getting junk values that is being read by rpi's serial port. Rpi is reading data through its serial port from a zigbee which is connected to the ttyAMA0 of rpi. In the python program, i've ...
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1answer
1k views

Receiving junk datas from the serial port of raspberry pi

Iam doing a project in which i need to read datas send from a ZIGBee through the serial port of raspberry pi. I have done removing that ttyAMA0 stuffs from /dev/cmdline.txt and commented that line in /...
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1answer
4k views

Rasbian: Does it include a Serial Terminal to connect to the hardware serial port?

I have RPI A+ and with its single USB port, I am not able to install any software at the moment. (I have an USB hub on order) I am trying to test new hardware I designed and want to see the output of ...
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2answers
7k views

Raspberry Pi and the USB to TTL Serial Cable on Mac

I've logged all my progress here Raspberry Pi and the USB to TTL Serial Cable on Mac (unfinished). screen /dev/cu.PL2303-000013FA 115200 Here's the errors that I'm getting It just hangs with a ...
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1answer
3k views

Raspberry Pi B+ serial port console garbage at boot

I am trying to login from Kubuntu 14.10 PC via Future Technology Devices International, Ltd FT232 USB-Serial (UART) IC adapter with device id 0403:6001. Now, I connect this adapter to rPi B+ GPIO port ...
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3answers
3k views

How to install PiTFT and use to the GPIO for other usage (like serial console)

I am about to install PiTFT on a RPi model B. However, doing so, I will lose the GPIOs for other usage (like a serial cable cable, for instance). Is it possible to install a PiTFT and still have a ...
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1answer
147 views

Serial console cable choice

It is my understanding that the recommended console cable for the Raspberry Pi is this one (the TTL cable). I currently have this cable. My question is weather I can use this cable to establish a ...
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1answer
5k 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 ...
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1answer
2k views

Problems connecting over PPP with Ubuntu 13.04

I am currently attempting to set up PPP between my Pi and my Ubuntu 13.04 Toshiba Satellite A105 via the Serial Cable, as per this site: http://elinux.org/RPi_Serial_Connection. I successfully (I ...
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1answer
2k views

Redirecting stdout and stderr to UART

I am building my own cross-linux-from-scratch (CLFS) system for Raspberry Pi. I already build whole system, I prepared SD card and now I try to boot. I am redirecting all kernel output to serial ...
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0answers
185 views

When connecting with GNU Screen (patched version) RPi reprompts for password in kind of loop

I have a raspberry pi (running raspian) and want to connect to it with the Console Cable. I succeeded - and I tried twice, because it had worked before, but malfunctioned the second time (this is a ...
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2answers
300 views

Can't connect to rpi with either minicom or gnu screen when connecting with console cable

I already patched GNU screen so I made it past the 'loginName too long', but now I can connect, nothing shows up. I installed the driver as instructed here. Directly after I downloaded the driver from ...
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1answer
3k views

Start “getty” service in Raspbian to Login to Pi using Serial console

I am following this tutorial to setup login using UART serial console. When I run screen /dev/ttyACM0 115200 from my Ubuntu desktop, the serial port opens and if I restart Pi, I am able to see the ...
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2answers
2k views

redirect console output from PI to my PC/laptop

Is it possible to redirect PI console output so that I can view the output on another PC/laptop? As the PI does not have a serial port, is there an alternative approach I can use that does similar to ...
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1answer
991 views

Internet Access over USB to TTL Console Cable

I have a USB to TTL Console Cable that came in my Raspberry Pi Starter kit and I was wondering if it would be possible to access the internet through it? I'm guessing it would be much slower than an ...
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1answer
7k views

Using a Console Cable, Error “Could not find PTY”, MAC

I'm trying to follow AdaFriuts tutorial on using a Pi over a serial cable on my Mac, link bellow, and I'm stuck with an error that reads "Could not find PTY" despite having all the right GPIO ...
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1answer
2k views

No boot-up message through GPIO serial port

I am using a CP2102 Module to connect my PC with the Pi's GPIO port. Although there are some errors but now I can see some output every time I reboot the Pi. [ 49.739893] systemd-cgroups-agent[177]:...
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2answers
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Sending Commands from PC to Raspberry Pi via USB

I am currently doing a project with the Raspberry Pi as a controller connected to a PC via USB and using the Pi to send commands to other devices connected via GPIO pins. Simplified version: ...

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