Fix compilation errors with ESP8266 toolchain.

stoduk / PingSerial

Arduino library for using serial enabled ultrasonic distance modules (eg. US-100)

MIT License

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Fix compilation errors with ESP8266 toolchain. #7

Open jonathand131 opened 5 years ago

stoduk commented 5 years ago

Any good reason you changed the diff rajil tested? You've added a cast rather than just changing the type of _max_op_duration_ms and that seems less good.

Also not a fan of the unnecessary whitespace changes :)