msa311-spin

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This is a P8X32A/Propeller, P2X8C4M64P/Propeller 2 driver object for the MSA311 3DoF accelerometer

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 (unenforced)
• Set full-scale range
• Set operating mode
• Set output data rate
• Interrupts: set, read mask (data ready, free-fall, orientation, single/double-tap, active-z, y, x), enable latching, set latching duration, clear, set output mode (push-pull or open-drain)
• Read acceleration in ADC words, g's
• Read sensor orientation (portrait, landscape, up/down)
• Free-fall detection
• Activity detection
• Click/tap detection

Requirements

P1/SPIN1:

• spin-standard-library
• sensor.accel.common.spinh (provided by the spin-standard-library)

P2/SPIN2:

• 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	Not yet implemented
P2	SPIN2	FlexSpin (6.9.4)	Native/PASM2	Not yet implemented

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

Limitations

• Very early in development - may malfunction, or outright fail to build