Objective Development Forums

on first you must create application what still run on back on OS like process.
then if detect plugged USB then show message with defined so window is still on top of all .

Hi all. I need any opinion about connecting USB over 68ohm resistor . if MCU is powered from less then +5V we can damage pin on MCU??? on data sheet is write so any voltage to pin can be VCC+0.5V but if we power MCU from 3.3V (use 68ohm resistor) this value is 3.8V ,risk to damage this pin??? if use...

Hi all. On this net I find this project: RemoteSensor - Wireless Data Acquisition I have question for all who use this sensor transmiter. What is power consumption? It's use main power 3V battery , how long can work this sensor transmiter with 2x AA battery? Does anybody really built this sensor ? r...

Hi Using JvHID ... with HID is not very easy. If try exist code (delphi demo) then show any error and no other. But some user help me to create delphi code using libusb.pas but need install driver in to OS. If any one know how to create function demo for delphi pls , create and post it . I still don...

Hi mirek36.
I too want communicate with Delphi <-> HID avr.
Have any news???

maxi. I use this component. if use any example then show you all HID device on system and if click on info button then show VID and PID number , serial number .... . there is place for enter ID number report and button read and write and it's all. But how can I read data from mcu and send??? there j...

Hi maxi. More user write on this forum so use any V-USB example with jvHidControllerClass for Delphi. But no more information can find. On jvHid is more example . If use this example then can find and see information for all HID devices connected in System (VID , PID, serial number ...) but how use ...

no one use delphi with Hid?
help pls with this
regarst

Hi all. I read this post http://forums.obdev.at/viewtopic.php?f=8&t=3748 where some user iphi write so have worked HID_data demo with Delphi. Have any one this source or can contact me iphi sevc @ post at sk . I'm too interesting to use any HID project with Delhi I create project for UART-CDC pr...

Hi I solve this problem.
look at this forum http://www.avrfreaks.net/index.php?name=PNphpBB2&file=viewtopic&t=98930

regards

hi . I too have problem to use any bootloader in ATmega8 or ATmega168. I use USB CDC-232 project an work good , no problem use this code , but if want use any bootloader (HID or USBasp) then I have problem still show device not recognized . If use normal any HID code (like for keyboard) then no prob...

Hi .
I thinks so easy will be use pin change interrupt flag.
OK .

thats all ..

regards

Hi all. I'm here again and have question : how detect if device is plug in usb or not. If I have powered my PCB from differ power source I need detect if is plug in to usb or not. If yes then I internal enable usb function , if not then I use different mode. I create small PCB like avr butterfly but...

Hi maxi. For this time I solve this problem with higher crystal. I use 16Mhz and read RFID tag fast and don't need use in interrupt mode. Now I must solve problem with read data from MCU in to host , still have some problem . when make this trouble then post my code , if have more free time then mak...

I know but if host send request all is OK. IF T0 interrupt then all request from host I receive, no data lost . but problem only if user (own function want send data in to host. sorry for my english is poor. how mcu know so need to send data to host??? must set any data or bit and on this point need...