try to import bitbangio if busio SPI is not available

adafruit / Adafruit_CircuitPython_DotStar

Dotstarrin' away in CircuitPython land

MIT License

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try to import bitbangio if busio SPI is not available #36

Closed schelmo closed 4 years ago

schelmo commented 5 years ago

this is much faster than _ds_writebytes bitbangio is not available for every board so another try catch block

siddacious commented 4 years ago

@schelmo my apologies; I accidentally merged this PR without reviewing it and had to revert it. Unfortunately PRs cannot be re-opened after merging so please re-submit the PR and I will review it asap