diff options
Diffstat (limited to 'src/devices/channels.rs')
| -rw-r--r-- | src/devices/channels.rs | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/src/devices/channels.rs b/src/devices/channels.rs index 2482df5..c202ad3 100644 --- a/src/devices/channels.rs +++ b/src/devices/channels.rs @@ -1,5 +1,5 @@ //! ADC input channels -use { Ads1x1x, ic, hal }; +use { Ads1x1x, ic, hal, Config, BitFlags as BF }; /// ADC input channel selection #[allow(dead_code)] @@ -68,3 +68,19 @@ impl_channel!(Ads1115, SingleA0); impl_channel!(Ads1115, SingleA1); impl_channel!(Ads1115, SingleA2); impl_channel!(Ads1115, SingleA3); + +impl Config { + pub(crate) fn with_mux_bits(&self, ch: ChannelSelection) -> Self { + use self::ChannelSelection as CS; + match ch { + CS::DifferentialA0A1 => self.with_low( BF::MUX2).with_low( BF::MUX1).with_low( BF::MUX0), + CS::DifferentialA0A3 => self.with_low( BF::MUX2).with_low( BF::MUX1).with_high(BF::MUX0), + CS::DifferentialA1A3 => self.with_low( BF::MUX2).with_high(BF::MUX1).with_low( BF::MUX0), + CS::DifferentialA2A3 => self.with_low( BF::MUX2).with_high(BF::MUX1).with_high(BF::MUX0), + CS::SingleA0 => self.with_high(BF::MUX2).with_low( BF::MUX1).with_low( BF::MUX0), + CS::SingleA1 => self.with_high(BF::MUX2).with_low( BF::MUX1).with_high(BF::MUX0), + CS::SingleA2 => self.with_high(BF::MUX2).with_high(BF::MUX1).with_low( BF::MUX0), + CS::SingleA3 => self.with_high(BF::MUX2).with_high(BF::MUX1).with_high(BF::MUX0), + } + } +} |