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68 Threads found on Usb Hex
The AT89C51RD has a bootloader built in from the factory, (unless it has been erased). It can be programmed with a serial (or usb) to TTL adapter using Flip software to upload the hex file. There is information online on the external circuit needed to access the bootloader.
Hello Guys, Im working with usb mass storage device boot loader. In which i can able to program my application using pendrive. The code for bootloader is available and working fine. In this case i have to past .hex file of my application to pendrive and rename it as image.hex, but any one can use my application hex file (...)
Hello, I am about to use PIC24FJ128GB204 and the idea is to implement a bootloader using usb but i do not have any knowledge about this. I would like you can help me with some ideas, things to read... I hope you can help me with this. :shock:
Hi guys, I have this demonstration board and I want to program the PIC18F4550 that comes with it with the factory .hex firmware in order to have a fresh board ready to play around. I have installed the software that came with the board and in the /microchip folder there are a bunch .hex files and I don't know which one to select. Does anyo
Hi, i'm currently building a frequency counter and also to plot adc graph using PIC18F4550 im using software on computer as a user interface. right now i'm having problem in interrupt routines. it seems not firing. this is my first time using timer and interrupt routine. i've searched through the web, and datasheet. seems i'm still missing
Hello everyone... I'm studying Electrotecnics Engineering and we are going to program an 8051 compatible micro controller. The DS89C450. I already built my electronic circuit and I'm using an FTDI 5V to convert RS232+MAX232 into usb to communicate with uC and I'm also using a crystal of 110592MHz. I wrote a small program just to test thing
hello experts I need help I want burn some hex code into the memory of microcontroller so recently I bought usb rs232 serial cable with driver cd. after installing driver I can't find com port in device manger I see only two option window 7 PORT (COM&PORT) ZTE Diaagnostics Interface (com 4) ZTE NMEA Device (COM 5) when cd load
Hello. Are you sure that your mobile phone has a RS232 peripheral? Most modern mobile phones have only usb connection. If it had, check the voltage levels for each one, maybe the phone uses less voltage than PIC. I don't have time to check the program right now, but make sure it doesn't have a infinite loop somewhere, maybe near the "if" that c
Hello, I am trying to develop the usb interface with a PIC18F4550 with the help of a EasyPIC6 Development Board. I am using MPLAB v8.56. After looking through the usb device example (HID Device Custom) on Microchip Libraries for Applications (MLA), I could build the hex file successfully for my project. Then, I used mikroProg Suite to (...)
I want a precompiled atmega32A bootloader. I searched the internet but could not find any helpful tutorial for avr bootloader. I want to preprogram the bootloader with any hardware programmer (my friend has one) in my atmega32A and then later use rs232 (using usb to serial converter) with max232 to program it without any need from my friend/ any ot
i connect the programmer with my atmega8l-8pu and i Severed cable usb Drives The computer arrived and external power to the programmer to get 5v from computer but when i bourn the hex file the pany prog tell me Device missing or unknown device what is the problem? please some one answer me?
You can look at the usb to serial TTL converter cables from FTDI - there are a variety available with either flying leads, or 2.5mm pitch connectors, and either 3.3V or 5V logic versions. The drivers for these are readily available and it will oeprate as a virtual COM port on your PC so you can use Hyperterm, PuTTY, or terminal emulator of your cho
1) So If I want to only read and write the hex file. Then I have to have pickit 2 programmer and ZIF socket which is on the following option. Really the onl
Hii.. I bought this programmer and I need a software to program m
Hello Guys, I already did several projects using PIC16Fxxxx microcontrollers. I am planning to go and try using PIC18fxxx, there are things I wanted to to know: I heard that: I can directly upload the .hex file (code) into the microcontroller without using any loaders such as Pickit2/3. It is usb interface ready.
Hey Guys! I'm working on a project that requires both an Atmel2560 and a connected computer to both have the capability to read/write to an SD card. Basically, the Atmel2560 is connected to the MicroSD on board the PCB through a hex Converter. The board is designed to operate with connection (and power) to a usb-B port. The Atmel will be dumping
after cliking on program option in winavr i m getting this output avrdude -p atmega32 -P usb -c usbasp -U flash:w:main.hex avrdude: warning: cannot set sck period. please check for usbasp firmware update. avrdude: error: programm enable: target doesn't answer. 1 avrdude: initialization failed, rc=-1 (...)
1. Did you program the microcontroller with the hex file for usbASP programmer? 2. Did you also installed the usb driver for usbasp (if you are testing this programmer on windows)? 3. Are you sure that the usb D+ and usb D- pins are not exchanged? without programming the (...)
I am newer to PIC programmer. I want to make a usb PIC programmer.I searched in this forum first but i found a lot of confusion and there is no complete solution of this.i want to make Pickit2 programmer and i have downloaded the firmware(from microchip website) and other files in this purpose.when i extract the .rar file of firmware it becomes 90.
Hi, I am interfacing usb Flash drive to my micro controller using VINCULUM device via UART. The Vinculum device sends the response in string format, but in micro controller i am receiving in hex format. i am storing all these hex values in an array. for example if i send IDD command (IDD is for knowing the Device Information), the (...)

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