Red Pitaya HAMlab User Manual page 67

TRIGGER
By clicking the gear behind TRIG settings, the trigger menu is opened. Each channel can be set as a trigger source
with the desired condition. For acquisition to start, the Trigger source and Rising Edge needs to be defined.
The possible criteria for Trigger event are next:
• X - Ignore no event
• R - Rising rising edge
• F - Falling Falling edge
• E - Either Edge change (rising or falling edge)
By clicking the RUN button the recording is started. The status display informs you whether the process is still
running (WAITING) or has already been completed (DONE). After finishing the acquisition, the results are displayed
in a graph. Additional trigger options LOW and HIGH are used for the so called Patterned triggering. For example:
If you set the trigger source to be DIN0 – Rising edge (to have one channel defined as a trigger source with a rising
or falling edge is a mandatory condition for the acquisition to start), DIN1 to HIGH and DIN2 to LOW this will cause
such a behavior that the application logic will wait for the state where DIN0 goes from 0 to 1, DIN1 is 1 and DIN2 is
0 to start the acquisition.
DECODE BUS DATA
In the DIGITAL BUS menu the decoding of the desired lines can be selected. Up to 4 buses can be defined. The
available decoding protocols are I2C, UART, and SPI. By selecting the desired protocol, the setting menu for the
3.3. Logic Analizer
HAMlab, Release 1.0
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