feat: calibrating Differential ADC for G4

Signed-off-by: Ivan Li <ivanli2048@gmail.com>
embassy-rs · Jan 7, 2025 · a3c1b18 · a3c1b18
1 parent 4790f8f
commit a3c1b18
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/embassy-stm32/src/adc/g4.rs b/embassy-stm32/src/adc/g4.rs
@@ -191,6 +191,14 @@ impl<'d, T: Instance> Adc<'d, T> {
         T::regs().cr().modify(|w| w.set_adcal(true));
 
         while T::regs().cr().read().adcal() {}
+
+        T::regs().cr().modify(|w| {
+            w.set_adcaldif(Adcaldif::DIFFERENTIAL);
+        });
+
+        T::regs().cr().modify(|w| w.set_adcal(true));
+
+        while T::regs().cr().read().adcal() {}
     }
 
     fn enable(&mut self) {