• Are CAN messages continuously sent by hardware if there is no ACK?
    I am using T89C51CC03 UA right now. while debugging I found out that even if I wanna send a message once ( via interrupt ), the CAN bus is full of the same message with a period of 1.5ms. I am sure...
  • strange chars are sent in serial port
    Hello, I'm using a function to send char through the serial port. Sometimes, strange words (i.e ascii code 0x8 <VT>) are sent. I would like to know if some registers could be altered while an interrupt...
  • Read data that is sent to the ethernet port
    For the str9 comstick, does anyone know how to get tha data that is sent to the ethernet port. It is to read from Pin 0.2 to 0.5 which is the MII_RXD0, PHY Rx data? Thank you for any replies...
  • How to flash some pages without erasing others ?
    Hi. We are using Keil uV4 IDE and ULINK2 (and AT91SAM7X512 MCU). We have the following situation/configuration: - Our data is located at the end of the FLASH memory. - Our firmware is located...
  • HID Input Report timeout on some PC's but not others.
    I have written some code to request and receive HID reports from a printer based on the Coldfire MCF. On my development machine it works fine (I am not saying the famous ... “well it works on mine...