WIP WIP

Author: Sh3Rm4n

src/adc.rs

@@ -28,12 +28,29 @@ use crate::pac::{
 use crate::rcc::{Clocks, AHB};
 use stm32f3::Variant;
 
+
 const MAX_ADVREGEN_STARTUP: Microseconds = Microseconds(10);
 
+/// Vref internal signal, used for calibration
+#[derive(Debug)]
+#[cfg_attr(feature = "defmt", derive(defmt::Format))]
+pub struct Vref;
+
+/// Vbat internal signal, used for monitoring the battery (if used)
+#[derive(Debug)]
+#[cfg_attr(feature = "defmt", derive(defmt::Format))]
+pub struct Vbat;
+
+/// Core temperature internal signal
+#[derive(Debug)]
+#[cfg_attr(feature = "defmt", derive(defmt::Format))]
+pub struct Temperature;
+
 /// Analog Digital Converter Peripheral
 // TODO: Remove `pub` from the register block once all functionalities are implemented.
 // Leave it here until then as it allows easy access to the registers.
 // TODO(Sh3Rm4n) Add configuration and other things like in the `stm32f4xx-hal` crate
+#[derive(Debug)]
 pub struct Adc<ADC> {
     /// ADC Register
     adc: ADC,
@@ -154,6 +171,73 @@ macro_rules! adc_pins {
     };
 }
 
+/// Maps pins to ADC Channels.
+macro_rules! channel {
+    ($ADC:ident: {$($Pin:ident => $chan:ident),+ $(,)*}) => {
+        $(
+            impl Channel<pac::$ADC> for $Pin {
+                type ID = u8;
+
+                fn channel() -> u8 { $chan }
+            }
+        )+
+    };
+}
+
+cfg_if::cfg_if! {
+    // stm32f303xd/xe
+    if #[cfg(feature = "svd-f303e")] {
+        channel!(ADC1: {
+            gpio::PA0<Analog> => 1,
+            gpio::PA1<Analog> => 2,
+            gpio::PA2<Analog> => 3,
+            gpio::PA3<Analog> => 4,
+            gpio::PF4<Analog> => 5,
+
+            Temperature => 16,
+            Vbat => 17,
+            Vref => 18,
+            // VrefOpAmp1 => 15,
+
+            // ADC12
+            gpio::PC0<Analog> => 6,
+            gpio::PC1<Analog> => 7,
+            gpio::PC2<Analog> => 8,
+            gpio::PC3<Analog> => 9,
+            gpio::PF2<Analog> => 10,
+            gpio::PB11<Analog> => 14,
+        });
+
+        channel!(ADC2: {
+            gpio::PA4<Analog> => 1,
+            gpio::PA5<Analog> => 2,
+            gpio::PA6<Analog> => 3,
+            gpio::PA7<Analog> => 4,
+            gpio::PC4<Analog> => 5,
+            gpio::PC5<Analog> => 11,
+            gpio::PB2<Analog> => 12,
+            // ADC12
+            gpio::PC0<Analog> => 6,
+            gpio::PC1<Analog> => 7,
+            gpio::PC2<Analog> => 8,
+            gpio::PC3<Analog> => 9,
+            gpio::PF2<Analog> => 10,
+            gpio::PB11<Analog> => 14,
+        });
+
+        channel!(ADC3: {
+            gpio::PB0<Analog> => 12,
+            gpio::PB1<Analog> => 1,
+            gpio::PE
+            // VrefOpAmp3 => 17
+        })
+
+        channel!(ADC4: {
+            // VrefOpAmp4 => 17
+        })
+    }
+}
+
 // # ADC1 Pin/Channel mapping
 // ## f303