• QEI on MCB2900
    Hi I got a mcb2900 board with NXP LPC2919 inside I start to investigate about the QEI (Quadrature Encoder Interface) of LPC2919 But I found out that inside lpc29xx.h there isn't any definitions...
  • USB Host example errors for LPC17xx
    Hello, i'm trying to run USB Host code example provided by NXP for LPC17xx. I have LPC1768 and I'm using the mass storage example. I already check my board, it doesn't matter what I do I always get...
  • Capture Qei position and send to usb
    Hi I want to draw graphs of position of 2-phased QEI versus time. so I want to capture QEI position every time period. time gap between to position pulses is at least 7.2 microseconds. I think I have...
  • LPC17xx Interrupt
    Hi everyone I wrote a simple program for timer0 of lpc1768 it works but I do not know after the interrupt what to do and how can I jump to vector address of timer0 , the interrupt state is pending...
  • getting Qei position value problem in LPC-1768
    Hi every one i want to get the exact position alue of the quadrature encoder , in the QEI example of the CMSIS but when i want to use the QEI_Getposition function the returned value is still zero...