• polling in LPC2378
    Hi!! I am a newbie to ARM7 microcontrollers, and i am going to work on the LPC2378. I have read a little bit on programming th microcontroller, and i can now comfortably flash LEDs. But, now i want to...
  • UART Communication: Polling or Interrupt?
    There are basically two ways to interface UART in 8051: 1) Receive by polling the RI register in the main() loop, Transmit by using printf finction. Advantage: it's easy. Disadvantage: it's tricky as...
  • Polling for a key press
    Hi, i am using a stellaris launchpad micro controller and i want to poll one of my switch's for a press. I have configured all the necessary ports and everything but i cant get it to work. I know that...
  • I2C interrupt or polling
    Hi, I am using NXP LPC1837 controller as a master and it is supposed to talk to other devices over I2C. The firmware is based on Keil V5. In the firmware code, I2C was initialized without...
  • Poll: Just for fun
    If you could assign function to the *reserved A5 instruction in the 8051, what would it be? My vote: Choice 1, movx dptr,@dptr+a Choise 2, dec dptr *From what I recall, this instruction is reserved...