EmbeddedRelated.com
The 2024 Embedded Online Conference

UART AVR

Started by taufiq_tqr in AVRclub14 years ago 4 replies

Hi all... I want to build communication between AVR ATMEGA8535 and my Personal Computer, but how to setting communication in that AVR...

Hi all... I want to build communication between AVR ATMEGA8535 and my Personal Computer, but how to setting communication in that AVR uC??? Can u help to make UART Communication with C language??? Pls help me, I hope somebody in this group can help me to solve my problem... Thanks all, Im waiting the answer... ------------------------------------


AVR Butterfly/ADC Question

Started by Martyn in AVRclub14 years ago 2 replies

{Cross posted with AVR Butterfly group} Hi all, My first post (and a newbie), please be gentle with me... I am trying to use the ADC on...

{Cross posted with AVR Butterfly group} Hi all, My first post (and a newbie), please be gentle with me... I am trying to use the ADC on the AVR butterfly board. I have set REFS0 and REFS1 both to 0 to use AREF (which I believe is effectively VCC (3.1V). The ADC is working fine. The voltage divider circuit is working fine. The problem I have is that the maximum voltage I can read (pres...


Bootloader with codevision

Started by mohammad latifnia in AVRclub14 years ago 4 replies

hi i want a sample bootloader=A0code Atmega128=A0by codevision, in fact, i want to=A0load new program via serial port and save on...

hi i want a sample bootloader=A0code Atmega128=A0by codevision, in fact, i want to=A0load new program via serial port and save on it=A024c5= 12 and load it on the micro falsh. =A0could you help me? thanks =20=20=20=20=20=20 ------------------------------------


Read flash memory using PIC18F4550

Started by Ahmed Hassaan in AVRclub14 years ago 3 replies

Hello All, I'm new to use USB or deal with memory like flash memory or Hard disk. I need to read or write date from the flash memory on USB bus...

Hello All, I'm new to use USB or deal with memory like flash memory or Hard disk. I need to read or write date from the flash memory on USB bus PIC18F4550. Is there is any drive using C language to read and write data to the flash memory? OR any sites describe how to use? -- Ahmed Hassaan ------------------------------------


please help me immediately

Started by mehdi in AVRclub14 years ago 7 replies

Hi everyone I need your help I want a source of program for make keyboard with atmega16 that it was writen by BASCOM I'm waiting for your...

Hi everyone I need your help I want a source of program for make keyboard with atmega16 that it was writen by BASCOM I'm waiting for your help ------------------------------------


Any Atmel CPU can integrate with a Data flash memory with FAT?

Started by anht...@yahoo.com in AVRclub14 years ago 17 replies

I would like to use an Atmel CPU with a Flash memory (ie: DataFlash AT45DB161D) that some how using FAT16/32 to be able to put files to & from the...

I would like to use an Atmel CPU with a Flash memory (ie: DataFlash AT45DB161D) that some how using FAT16/32 to be able to put files to & from the Flash memory. Is it available? If YES, please provide the related links Note: I can't use SD card nor IDE drive for this because of the size, even parallel Flash memory is also involved larger size & a lot of address pins Thanks in-advanced for an...


Help needed to program serial port of AT89C51Ac3 controller

Started by reena chauhan in AVRclub14 years ago 1 reply

hi .. I m using AT89C51Ac3 microcontroller using AVR workbench..I have to interfa= ce this controller to send sms to another Pc through serial...

hi .. I m using AT89C51Ac3 microcontroller using AVR workbench..I have to interfa= ce this controller to send sms to another Pc through serial port using keyp= ad. For 9 bytes of data code is woring properly but when i send 10th byte c= ode got hanged? Can anybopdy tell me why this is happening ? Is there any limitation to sen= d no of bytes data at a time throgh seial port? or any memory li...


C code for circular buffer is required?

Started by Muhammad Yasir in AVRclub14 years ago 3 replies

I want to do GPS data logging on a serial memory 24C512 Could somebody please email the c-code for real time circular buffer Data needs to...

I want to do GPS data logging on a serial memory 24C512 Could somebody please email the c-code for real time circular buffer Data needs to be continuously copied to the buffer while data bytes are retrieved from the buffer only at will or on demand regards m.yasir ------------------------------------


Multi Processor and/or Multi Master

Started by dmarte in AVRclub14 years ago 2 replies

I need some sample code on how to implement a multi master o multi processor communication either on synchronous serial communication or I2C...

I need some sample code on how to implement a multi master o multi processor communication either on synchronous serial communication or I2C bus. I have tried with I2C and I can read and write to eeprom devices successfully. I don't know or haven't been able to communicate 2 o more AVR controllers. The MCPM mode in the other hand is not clear enough in the datasheet. Besides I haven't found ...


Is there an example showing how to input strings ?

Started by Dan Roganti in AVRclub14 years ago 6 replies

I'm using WinAVR and trying to learn how to input strings. I'm using a ATmega32 controller with the serial port connected to my PC where I...

I'm using WinAVR and trying to learn how to input strings. I'm using a ATmega32 controller with the serial port connected to my PC where I have a terminal program that I use to communicate with the micro. I already have several tests written for this which I send data and text to the terminal. But I like to be able to enter a string for a command- much like a command shell- and parse t...


Ask a Question to the EmbeddedRelated community

To significantly increase your chances of receiving answers, please make sure to:

  1. Use a meaningful title
  2. Express your question clearly and well
  3. Do not use this forum to promote your product, service or business
  4. Write in clear, grammatical, correctly-spelled language
  5. Do not post content that violates a copyright


The 2024 Embedded Online Conference