• usb2uart for com1 & com2
    Hello, Currently i am doing an USB2UART project. My COM1 flow is getting through. But COM1 + COM2, I am facing a system hang problem. I had changed only desciptor tables. ( configuration descriptor...
  • card reader
    I m trying to implement card reader on lpc1768. My usb part is almost done. Working ok. Right now i m facing below problems: 1) sd card i m using in card reader is 2GB which gives me 1.86 GB usage...
  • Error: Mode COM2 command failed.
    I'm trying to use the Mode command as outlined on this page: http://www.keil.com/support/man/docs/uv4/uv4_db_srl_io_to_com.htm And I'm getting an error: > MODE COM2 9600, 0, 8, 1 Mode COM2 command...
  • MFRD560 reader Command
    Hi All I am working with MFRD560 Smart card reader from schlumberger with 89C51RD2. All comands are working fine except Load key command. Can anybody guide me for this Command ?. Command bytes which...
  • PS2 keyboard reader
    Anybody can find the problem in this chunk of code ? When I hit 'A' I get 1C as code but when I release I get a 70 instead of an F0. If you can of course. It seams that the first bit is never read....