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Fix ReadScratch command buffer size (#494)
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@ -161,7 +161,7 @@ fn ds18b20_get_temperature<'a>(addr: &OWAddress, bus: &OWDriver) -> Result<f32,
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ds18b20_send_command(addr, bus, Ds18b20Command::ReadScratch as u8)?;
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let mut buf = [0u8; 10];
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let mut buf = [0u8; 9];
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bus.read(&mut buf)?;
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let lsb = buf[0];
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let msb = buf[1];
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