Version 1.014 of the Scoppy app and version 7 of the firmware released #33
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New versions of the Scoppy Android app and Pico firmware have been released.
This release contains the following new features:
Falling edge trigger
You can now trigger on falling edges in both Oscilloscope and Logic Analyzer modes.
Signal generator
Scoppy now includes a very basic (PWM) signal generator. This is accessed by tapping the new signal generator
button on the menu panel.
You can choose from a 50% duty cycle square wave at various frequencies and a PWM encoded sine wave.
Using a low pass filter the PWM encoded sine wave can be used to generate an analog signal. See here for more details.
Fixed sample rate setting
You may have noticed that Scoppy changes the sampling rate as you change the Time/Div setting. This can be annoying if you
are zooming in and out of a signal but want the sampling rate to stay the same (especially when doing consecutive
single shot captures). Now you can set a fixed sampling rate. To do this just tap the sample rate at the top-left of the
screen and select a sample rate from the menu. You can also toggle between auto sample rate and fixed sample rate by tapping and
holding the sample rate at the top left of the screen. When Scoppy is using a fixed sample rate, an F will be displayed
next to the sample rate. Note that the displayed sample rate is that of the currently displayed signal and this can
be different to the selected fixed sample rate if the run mode is STOPPED.
Pre-trigger samples setting
Scoppy tries to position the trigger sample in the center of the sample record. This can be sub-optimal if most of the samples
you're interested in are located either before or after the trigger sample. There is now a 'pre-trigger samples' setting that
allows you to specify the percentage of the samples that will appear before the trigger point in the sample record.
In Oscilloscope mode this setting is accessed by tapping the trigger badge at the bottom of the screen, and then tapping
'Pre-trigger' samples.
In Logic Analyzer mode, simply tap the trigger settings button on the controls panel.
Tap sample summary view to change horizontal position
Tapping on the sample summary view at the center top of the screen will now move the horizontal position. This is probably most
useful for single shot captures when swiping through the (relatively) large sample record can be slow.
Remember you can quickly set the horizontal position back to zero by tapping and holding the POSITION button.
Run/Stop and Single buttons on the menu panel
The menu panel now has Run/Stop and Single buttons.
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