SmoothADC

Arduino library for smooth ADC results

The SmoothADC library helps filtering ADC values when smoother evolution of values is needed (getting rid of pikes for example). 4 values, average on mid ones.

I tried to keep the lib as tiny as possible.

Usage

• Declare a SmoothADC instance (called adc below)
• Initialize instance with adc.init(Pin, Resolution, Period)
  • Pin: adc pin
  • Resolution: timing resolution (us/ms)
  • Period: sample rate
• adc.serviceADCPin(): Method to service the ADC pin when module is enabled (should be placed somewhere in the main loop)
• adc.getADCVal(): Get the average ADC pin value (should replace usual analogRead)
• adc.setPin(pin): Set ADC pin to service
• adc.setResolution(resolution): Set Resolution of ADC pin to service (us/ms)
• adc.setPeriod(period): Set sample rate of servicing
• adc.getPin(): Get the serviced ADC pin
• adc.getResolution(): Get the resolution for the serviced ADC pin
• adc.getPeriod(): Get the sample rate of the serviced pin
• adc.enable(): Enable ADC smoothing module
• adc.disable(): Disable ADC smoothing module
• adc.isEnabled(): Test if ADC smoothing is enabled
• adc.isDisabled(): Test if ADC smoothing is disabled

Examples included

• SmoothADCExample.ino

This example defines A0 & A1 (analog inputs) to be handled by SmoothADC library

Samples every 50ms for A0

Samples every 500us for A1

Every second, the average value from A0 & A1 are sent to serial port

Documentation

Doxygen doc can be generated using "Doxyfile".

See generated documentation

Release Notes

See release notes