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P8X32A/Propeller, P2X8C4M64P/Propeller 2 driver object for the TI ADS1115 ADC

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avsa242/ads1115-spin

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ads1115-spin


This is a P8X32A/Propeller driver object for the TI ADS1115 ADC

IMPORTANT: This software is meant to be used with the spin-standard-library (P8X32A) or p2-spin-standard-library (P2X8C4M64P). Please install the applicable library first before attempting to use this code, otherwise you will be missing several files required to build the project.

Salient Features

  • I2C connection at up to 400kHz
  • Alternate I2C addresses supported
  • Read in continuous or single-shot measurement modes
  • Measurement ready flag for single-shot mode
  • Set full-scale range and sampling rate
  • Read data as ADC words or microvolts
  • Read current or previous measurement
  • Set interrupt (low, high) thresholds, persistence
  • Set measurement channel (single-ended mode) or measurement pair (differential mode)

Requirements

P1/SPIN1:

  • 1 extra core/cog for the PASM I2C engine (none if bytecode engine is used)
  • signal.adc.common.spinh (provided by spin-standard-library)

P2/SPIN2:

  • p2-spin-standard-library
  • signal.adc.common.spin2h (provided by p2-spin-standard-library)

Compiler Compatibility

Processor Language Compiler Backend Status
P1 SPIN1 FlexSpin (6.9.4) Bytecode OK
P1 SPIN1 FlexSpin (6.9.4) Native/PASM OK
P2 SPIN2 FlexSpin (6.9.4) NuCode Untested
P2 SPIN2 FlexSpin (6.9.4) Native/PASM2 OK

(other versions or toolchains not listed are not supported, and may or may not work)

Hardware compatibility

  • Tested with ADS1115

Limitations

  • Doesn't support the high-speed (3.4MHz) I2C mode
  • Models other than ADS1115 untested

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P8X32A/Propeller, P2X8C4M64P/Propeller 2 driver object for the TI ADS1115 ADC

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