Function

Get the number of ticks counted from the last startCapture and captureTicks calling.

Purpose

Measurement of elapsed time.

Syntax

void captureTicks()

Parameters

  –

Return value

  –

Output value

•     param3:  ticks counted from the last startCapture  (0 - 65535)

•     param4:  ticks counted from the last captureTicks or startCapture, whatever was the latest

                     (0 - 65535)

Preconditions

•     startCapture should be used at least once before.

•     To ensure correct operation the counter must not overflow. That is why captureTicks should be called max. ~655 s after last startCapture or captureTicks calling.

Remarks

See Example E05–DELAYS.

Side effects

•     Functionality is affected by bondRequestAdvanced, RFRXpacket and RFTXpacket.

•     Internal ticks are based on the internal RC oscillator if RF IC is sleeping. Thus, the delay can vary with temperature, etc. in this case. See MCU datasheet.

See also

startCapture, setRFready

Example

startCapture();     // Reset counter of ticks

waitMS(200);        // Delay 200 ms

captureTicks();     // param3 == 20, param4 == 20

waitMS(150);        // Delay 150 ms

captureTicks();     // param3 == 35, param4 == 15

startCapture();     // Reset counter of ticks

waitMS(100);        // Delay 100 ms

captureTicks();     // param3 == 10, param4 == 10