I can't get out from interrupt driven serial communication
program works correctly but after receiving ‘#’ it has to come out from while loop and print “Exit” on lcd but it doesn’t.program still in while loop. #define F_CPU 14745600 #include<avr/io.h>...
View Articlecommunication gets disconnected on msp 430f54x
My msp gets disconnected while running a routine that is using port 10 for one-run 4X4 keypad. Is there any connection between the two? I’ve already tried using different computers and serial ports and...
View ArticleSending multiple electrical signal to PC via Serial port
I am doing a project in which I want to control small toy car using EMG signals from my forearm. I want to send 4 electrical signals to the computer. I have made a processing circuit which contains...
View ArticleWhat happens on STM32 when multiple (UART) Interrupts are triggered at the...
I’m implementing a uart daisy-chain communication scheme with a Cortex M4. When a node receives a byte over one UART, an interrupt is generated (RXNE) and the byte is written out over another UART –...
View Articletrying to understand a baud rate generator (module m counter)
I would like to understand a baud rate generator (module m counter). module mod_m_counter #( parameter N=4, // number of bits in counter M=10 // mod-M ) ( input wire clk, reset, output wire max_tick,...
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Bluetooth communication issue avr-pc
In the last few days I was messing around with avr <-> pc communication. Thanks to the help that I received here I managed to establish a good connection using pl2303 ttl-to-usb converter. Now,...
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UART connection using PL 2303. Weird characters [closed]
I took a while to errors when playing movies from the player (lock screen, reboots). After updating the firmware, still not working.( Same reboots, lock screen) I open the media player and I have seen...
View ArticleConnect Schneider EM6400 to ESP8266 and call REST API [closed]
I have a Schneider EM6400 meter whose data I need to send to a web-service. I dont know much about electronics so here it is- How do I do it? My idea is to use an ESP8266. But from what I know, the...
View ArticleTrouble enabling UART on Beaglebone Black
I’m having trouble getting UART enabled. I’ve gone through many different directions on how to enable and troubleshoot from updating the uEnv.txt file to updating the kernel. I’ve come to conclude that...
View ArticleUART Interrupt does not get more than one Char – PIC32MX110F106B
I am really struggling with an UART communication with my PIC32MX110F016. It is the first time I am trying to implement an UART communication with PIC32MX family but I find it difficult and I don’t...
View ArticleTM4C129 Launchpad and XBee
I am using TM4C129 Launchpad launchpad and trying to connect XBee Series 2 (S2C) through UART. Looking into the pinout of TM4C129, I am connecting like below XBee TX <—> RX XBee RX <—> TX...
View ArticleHCI UART ? what's the difference with simple UART?
For now, I’m sending bytes from FPGA (verilog) to serial at 115200 bps. I would like to send at higher speed and connect to a bluetooth module (RN42). UART (SPP or HCI) and USB (HCI only) data...
View ArticleUART only returns the same character
I am trying to create a program that contains UART using the PIC18f25j50 device. I have attached my creation so far which is a simple program that outputs a single character repeatedly to the console...
View ArticleMSP430F6736A UART configuration via Code Composer
Using embedded proggraming, Code Composer Studio 6.0.1, Trying to configurate UART to communicate between MSP430F6736A and my PC. Using USB/RS485 converver(2 vire (A,B)). For sending data using...
View ArticleAVR UART synchronization problem
I’m learning embedded programming (I’m not an Electrical Engineer). Sorry if this is not the right place or I’m asking this question incorrectly, but I had a very tough time trying to figure out a...
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Using BILATERAL SWITCH properly?
Summery: I am trying to figure out if I can use a bilateral switch as if it was a tiny relay capable of communicating UART signal, or are there things I am missing. Now, the long explanation. So, I...
View ArticleUsing UART's TX & RX for Separate Functinality
I am using PIC18F4520. The project requirement is to interface GSM module with uC as well as receive commands from PC via serial port. to achieve this I have connected Microcontroller- TX to GSM...
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