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adc: use ref_sel=external

This commit is contained in:
Astro 2020-03-21 00:06:27 +01:00
parent 1cba8e56c9
commit 8e41c44303
1 changed files with 1 additions and 1 deletions
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2
src/ad7172/adc.rs
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@ -78,7 +78,7 @@ impl<SPI: Transfer<u8, Error = E>, NSS: OutputPin, E: fmt::Debug> Adc<SPI, NSS>
data.set_refbuf_neg(true); data.set_refbuf_neg(true);
data.set_ainbuf_pos(true); data.set_ainbuf_pos(true);
data.set_ainbuf_neg(true); data.set_ainbuf_neg(true);
data.set_ref_sel(RefSource::Internal); data.set_ref_sel(RefSource::External);
})?; })?;
self.update_reg(&regs::FiltCon { index }, |data| { self.update_reg(&regs::FiltCon { index }, |data| {
data.set_enh_filt_en(true); data.set_enh_filt_en(true);