LPC2138 timers

I am using a capture pin in combination with a timer of the LPC2138 controller. Each time a rising/falling edge is detected the running timer value is captured and stored in a CAP register. I am using this method to measure timing between the edges and calculate the frequency of the signal (squarewave).

Each time I enter my interrupt service routine I reset the timer (to start a new measurement). Is there a way to do this automatically, because now I have a small gap between the edge and the start point of measurement. I saw that you can automatically reset the timer if a match value is reached, but could not find this possibility for the capture pins.

TIA,
Frank
.

Quantcast