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1000 Threads found on atmega8 Winavr
Hello, This is my first project with writing in Assembly language, I have tried to produce some Assembly code for Interfacing SHT15 sensor with the atmega8 ?C. I would be very grateful if someone could check my code, and correct errors you may find. Please note this is my first attempt at Assembly programming, so I am sure there must be som
hi guys, i am considering to design a frequency counter using atmega8, i want to use asynchronous operation of timer/counter2. frequency counter developed by pic asynchronous timer is ther.... but i want to make it with atmega8..... need some suggestion.. arnab/vu2bpw
Hi, I want to disable the hardware reset pin of atmega8 and use it as an IO pin. Can any one please give me a C / winavr code example of how to do it? Thank you.
Hi i am new to this hehe. So i put this in question way easy to get answer? For your guys info me havent learn how to program a chip so need help here. 1. Is there any way to replace the atmega8 with something that does not need to do program 2. I cant find the pressure sensor model which is MPXV5100GC6U but i can get MPXV5100GC7U instead
Hi all I'm sharing my new project with you I use atmega8 3310 lcd and tda439 for audio control I write codes with free winavr c compiler circuit control menu+-,+-and mute keys and philisp rc5 compatible comander values store on internal eeprom circuit have a jumper for lcd display invert or normal mode for programing I'm using isp connector you ca
i have used atmega8 mcu for my digital stopwatch application . and i programmed the IC with a C code using winavr compiler. then my stopwatch is showing minutes and hours -but it should show seconds and minutes. i have used atmega8 micro with a crystal of 16Mhz. please help thanks
I've purchased a 433Mhz receiver and transmitter from spakfun and have used one of the links on their page to build a
It is a neat panel thermometer on a well-known system DS18B20. The main element is atmega8 SMD. Software was written in winavr. The thermometer additionally is equipped with the function of thermostat. To minimize the size of the
Why does the code below send continous no of 'U' in proteus simulation virtual terminal.I am using winavr for programming atmega8 By putting "cli();" instruction in ISR should have disabled interrupt. but 'U' is being continuously delivered. what is the problem here?? #include #include #include
I have some problems with my little project. I have made zero crossing detector circuit work well and use atmega8 to create a square ware base on the output of this circuit like in the picture below. However when i try to pass the signal to light control block ( with moc3021) errors appeared. Please help me! My deadline is comming. I attached my co
hi, I have a atmega8 ic and I have planned to build a serial interfacing circuit for it with max232 ic and rs232 cable. the thing that I want to know is, what is software that I can use to transfer my programme(hex file) from computer to the microcontroller using rs232 and max232 interfacing.
I need programmer for atmega8(Sch, soft). For now my choice is ponyprog. Any other sugestions?
Hi, Any one here have experienced on winavr or AVR-GCC compiler. Please post your comments. It has good library, is it easy to work on it like other AVR C compilers like IAR, ImageCraft etc. Do any one have its simple and quick setup tips. Thx
I want to build a simulator for atmega8,where can I find reference imformation?
atmega8 is best select,it include 10bit ad converter,and more inter resource. you can go to to find a programmer.
For those who really think that there's a lack of IDE for interface GCC compiler for AVR (winavr) and code wizard... I think you should have a look at this site : I really appreciate this editor (despite the fact that I don't use it now), but it could be interresting for newbies.... bye
It maybe good chance to "change horses" (read: select a CPU family) as I think there are out there ready-to-go projects based on PICs or 51-family.. These project may come with source code and this will save you a lot of time (unless you are "fluent" in, say, C language, and C has this good thing that it can be used with almost every CPU family)..
Here is the new avr-libc 1.2.0 , ported to winavr GCC It was build on a linux but ported to winavr. It is NOT tested extensively , but i did compile two apps. with the new lib But both the winavr & the avr-libc maintainer have said that they would expect it to function. Feel free to do some testing ... Remember that neither I (...)
i try to compile (SOSSE - Simple Operating System for Smartcard Education) u cane fild it at my working file is i using winavr but meny error happen like" hal.c:51: error: invalid lvalue in unary `&' " for line " outb(0xFF,DDRC
Hi, Does anyone know pragma's definitions for winavr gcc compiler?? I need to controll memory areas where the compiler can access, and I know that with #pragma I can to define to copiler this area, but I don't know the parámeter. Thanks for all. Best Regards
Hi I had successfully compiled a C program using AVR-GCC in AVR Studio, but i am confused why can't the BUILD process create the COFF file which is used for simulation within AVR Studio. I am using AVR Studio 3 and not the latest, but second latest winavr version. Can anyone help me to make the simulation/debugging work? I am still confused a
Does anybody know where can i find IDE for winavr?
Hi all, Which one of the two will make a better choice for a C compiler? I totally confused how to pick up a right one? I?ll appreciate if any one can share is personal experience here. Thanks
Hi all, Can I program atmega8, 16 and 32 with STK200 cable? Thanks
Got graphic LCD module pg-2406b1 with LC7981 and would like to attach it to atmega8. May be somebody knows any links to start with GLCD of that kind? Thank you.
Below is the C code for handling an external interrupt. The initial value on PORTC is 0; When an interrupt occurs it increment the PORTC by 1; I used the winavr to convert the c code into hex code, then loaded the hex code onto the chip (avr atmega8) for test. The values on PORTC change randomly every an interrupt occurs. Can anyone tell me
Hi everybody, I'd like to know if anyone has used winavr for professional projects and the type of the project, well if it can be know. :D I just want to know if winavr can be reliable for professional use. Thanks in advanced.
im new to ?c programming .i dont know how to write make file.i m not able to understand it.plz help.i installed winavr,now im not able understand it.i intend to use it with ?cflash.
Hi, all As I know, atmega88 offers debug port while atmega8 will be cheaper. Is it possible to develop with atmega88 and product with atmega8 without much code revison?
What simulator to take for atmega8?
The project of hours on atmega8 c the gauge of temperature interests The scheme an insertion of the microcontroller
The project of a running light-emitting diode line on atmega8 is necessary
Might be interesting to read: Inline ASM using winavr
Try this one: Small Serial Bootloader? Short & Sweet Bootloader? Somewhat Smaller Bootloader? I got tired of fiddling with the available bootloaders for the Atmel atmega8 chip and wrote my own. This bootloader is designed to be small (fit in the smallest configurable boot block) but still support reasonably fast programming over a serial
Salaam All i am new in AVR and AVRX. i want to configure the avrx2.6 with winavr-20060421 (with AVR Studio 4). how can i do this??? please Help thanks alot to all of u :) Best regards Ahmed
Salaam All i am new in AVR and AVRX. i want to configure the avrx2.6 with winavr-20060421 (with AVR Studio 4). how can i do this??? please Help thanks alot to all of u Best regards Ahmed
Hi... I new in avr microcontroller I try to compile C code using winavr-20060421 but I get this error "make.exe: *** No rule to make target `clean'. Stop." can sombody help me.. :cry:PLS help me.
Might be helpful to someone: Program 16 bit AVR timer with winavr
hi guys, i am not finding any read lock bit in atmega8, is ther any read lock bit or fuse in atmega8?? how to read protect a atmega8?? please help arnab/vu2bpw
I'm using atmega8 with lcd nokia 3310. When I use spi pin and some of portb as a control reset, ce and d/c. It's ok. But I changed control to portc (only control not spi). Lcd not active. I test lcd pin ce. It can't switch to hi. I'm check data sheet portc is adc port. How to config port? May I miss some hardware pin connect to vcc or ground?
Hi there guys:) I am a new member to this forum and so this is my first new post. I am a beginner to the C programming language. Can anyone of you guys teach me how to write a program using C to scroll texts across a 5x7 matrix using an atmega8? Thank you guys:) Hope someone can help..
Take a look at this page, A Firmware-Only USB Driver for Atmel AVR Microcontrollers: Should be ideal for your project and can run in a atmega8.
hello every one! can any one post me a sample bascom source code for using atmega8 built-in adc thanx
hello everyone : i want to display the atmega8 adc result on my pc using vb $regfile "m8def.dat" $baud 9600 dim adcresult as byte adcresult=getadc(4) print adcresult end if this code is ok can any one post me code of vb to display the data(binary or hex) on my pc monitor i have a good knowledge about mscomm c
hello everyone! i want to see the atmega8 adc result on my pc i am using bascom avr terminal emulator displaying the following code whatever i print ??x?x?x??x can any one help me
Hello everyone! can i interface 74ls595 to the atmega8 through sda and scl line thanks!
I am installed winavr, but I can´t compiller prgrammer, I got a example but can´t compiller, please help me, the error message are bellow -------- begin -------- avr-gcc (GCC) 4.1.2 (winavr 20070525) Copyright (C) 2006 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even
Hi there, I am completely new in MCU. I got to know that atmega8 has built in xtal and ADC. I want to measure temperature. In my country, LM35 is the only available temp sensor which is analog. thus i need to use the internal ADC with internal referance voltage ADCRef. After that i want to display the output in the LCD using nokia 3310 lcd display
please let me know how should i set the CKSEL fusebits to work with external 16M crystal in atmega8-16pu ?
i need schematic atmega8 programmer please giveme