Basics of task scheduling
Embedded system is the type of system that is design to perform one or multiple task's. These are the some example of tasks , I understand what is task in embedded system. I have been performed this...
View ArticleIssues with analog input on PIC18F27J53
I am having problems getting correct voltage readings on the PIC18F27J53 analog input. If I tie my analog input to ground using a pull down resistor. I consistently get a a value of 64 (decimal) in...
View ArticleMeasuring time from dsPIC powerup
Hi all, It's my first query here so I'll try to break a minimum of posting rules. I have a Embedded programming test for a job application which consists in creating a getTime function. Here is the...
View ArticleHow to program TOSHIBA TC9164 analog switch array with arduino
Please I want to know how to programme Toshiba TC 9164 using SPI communication i am attaching its datasheet
View ArticleIndustrial single board microcontroller in alternative to Arduino-like systems
Good afternoon, I would like to know if there is any company that produces single board microcontrollers that are supposed to be programmed and then sold to customers. As I've written in the title, I...
View ArticleRA0 and RA1 low voltage problem when digital output on PIC18F2525
Hi I 'm not newbee with PICs, I used similar products before this PIC18F2525 SMD but this one drived me crazy all the day. I can not get high output voltage on RA0 and RA1 although they are digital...
View ArticleReplacing a simple eprom/eeprom with an SD card
(Moderator's note: This post is from an old thread: https://forum.allaboutcircuits.com/threads/replacing-a-simple-eprom-eeprom-with-an-sd-card.96569/) programmer6502 said: ↑ Well since I have this up I...
View ArticleNeed Processor with high processing speed
Hi folks. I m making an automation project right now using arduino Mega and UNO but as you know the max speed of Mega is around 16 Hz which is very low as I also want to develop it further into a...
View ArticleFree RTOS Porting
I am new to RTOS,What is meaning of Free RTOS Porting. Does it mean that we have source code of RTOS.We can use those source code to build our own RTOS projects. What is meaning of RTOS Library.When do...
View ArticleExecute-in-Place (XIP) Linux
For those interested: http://www.electronicdesign.com/embedded-revolution/xip-linux-new-spin-embedded-architecture
View ArticleAsynchronous Serial Communication on Proteus using PIC18F4520
Hi, I want to display the 'U' character 5 times on the virtual terminal. I have set the baud rate as 19200 and also changed it on the virtual terminal as it was displaying wrong characters to baud rate...
View ArticleFinal year project - Quad copter with virtual reality
Hi guys! i wanna choose my final year project for Electrical communication engineering. The above mentioned title "Quad copter with virtual reality" is good or not? or suggest some final year project...
View ArticlePIC18F4520 4 ADC inputs
How can I make the following code shorter using a for loop? Do I have to include a header file? while(1){// run forever in a loop OpenADC(ADC_FOSC_32 & ADC_RIGHT_JUST & ADC_20_TAD,ADC_CH0 &...
View ArticleAvr output go down
I built program on atmega8 and i simulated it on proteus and it worked without coontecting any thing to the output of avr. When i connect the output as led. the microcontroller output go low and the...
View ArticleMIPI DSI power down display
Hello everyone! I have one problem! I am currently working on DSI MIPI power down sequence for display. When I send POWER DOWN commands over DSI, display just freezes and the current starts raising...
View Articlemicrocontroller NEC how does it work?
Hi, i have a question to do, I have a microcontroller that is called NEC japan d75p108bcw9250ku002 and i would use it, but i don't know how to program it, and how does it work...
View ArticleFire alaram sound using PWM signal
I am using PIC16F886 . I am trying to build fire alaram sound using PWM signal. Currently I could able to generate PWM signal for desired frequency, I have used 2kHz with prescallar 16.Below code...
View ArticleBuilding a Simple Scheduler in Assembler
Hi all, I am looking for an example of a simple scheduler that has been implemented in assembler, preferably for an MSP430. I have a few examples in C code but I would like to implement mine in...
View ArticleMicrocontroller time delay
I hope there is enough info in the picture, I don't understand why the delay required has to be half of 200 microseconds, I initially assumed you can choose any value for the delay. Does the 100us...
View Articlehow to port a RTOS code on ARM?
Can any one tell me how to port a RTOS code on ARM? FreeRTOS run on any Cortex-M device, using a suitable compilers. I would like to port FreeRTOS with Cortex M0. There are lots of examples to copy and...
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