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Programming AVR Microcontroller -USBASP Programmer

Guide to use USBASP Programmar to burn Hex File to AVR Microcontroller.

 

Detailed Tutorial

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Introduction : Robo India USBASP Programmer.

USBasp is a USB in-circuit programmer for Atmel AVR controllers. It simply consists of an ATMega8 and a couple of passive components. The programmer uses a firmware-only USB driver, no special USB controller is needed, and that makes it low cost USB programmer.

Important features are:

 

  • Works under multiple platforms. Linux, Mac OS X and Windows are tested.
  • Jumper for 5v supply.
  • Header Pin to provide easy interface for various ISP header pin.
  • SCK option to support targets with low clock speed (< 1,5MHz).

usbasp 2

 

 

images

Installation:

Install USBASP as simple usb device.

Download :Drivers for 32bit and 64 bit

Here is a wonderful guide on how to install USBASP on windows 8. click here

 

Uploading hex file to AVR Microcontroller:

To transfer the Hex file to controller we require a software to access USBASP. There are lots of softwares available on internet.Software which we find easy to use with all features is Prog ISP.

Download: ProgISP 1.7.2

Note: no need to install install Prog ISP just unzip the file and click on progisp.exe executable file to launch the software.

Hardware Set up:

Connect USBASP to your AVR microcontroller board using 6 pin connectors, where 5v is optional, if your board is already powered by some external 5v supply than remove the jumper(vcc on/off).

Troubleshooting:

Prog ISP will show error in case:

  1. Supply is not provided to target controller.
  2. wrong connection to Target microcontroller.
  3. USBASP not detected.

Note: keep the Jumper (J1) always connected.

 

usbasp avr connection

Getting Started with Prog ISP:

 

Prog isp final

 

 

  • Select Chip: Select the microcontroller for uploading Hex file.
  • Load Flash: This tab is used to select the Hex file,Click this tab to open browse window and select the Hex file.
  • Task Window: Select the operation which you want to complete. basic operation required to burn hex file are shown above.
  • Auto: Click on this tab to start burning the hex file along with all the operation checked in task box.
  • Fuse: This tab is used to open Fuse window as shown below,  where you can read or write low and high value of fuses.

fuse window

 

 Steps to Upload Hex File:

  1. Install USBASP Programmer.
  2. Connect Hardware.
  3. Select microcontroller in ProgISP.
  4. Load Hex File.
  5. Click Auto tab to transfer the code.

 

Related Tutorials:

Uploading Arduino Bootloader to AVR chip

 

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