adc: cleanup g4

1 files changed, 3 insertions, 3 deletions

diff --git a/examples/stm32g4/src/bin/adc_differential.rs b/examples/stm32g4/src/bin/adc_differential.rs
index a6e2f7d33..2773723e9 100644
--- a/examples/stm32g4/src/bin/adc_differential.rs
+++ b/examples/stm32g4/src/bin/adc_differential.rs
@@ -30,16 +30,16 @@ async fn main(_spawner: Spawner) {
         config.rcc.mux.adc12sel = mux::Adcsel::SYS;
         config.rcc.sys = Sysclk::PLL1_R;
     }
-    let mut p = embassy_stm32::init(config);
+    let p = embassy_stm32::init(config);
 
     let mut adc = Adc::new(p.ADC1);
-    adc.set_differential(&mut p.PA0, true); //p:pa0,n:pa1
+    let mut differential_channel = (p.PA0, p.PA1);
 
     // can also use
     // adc.set_differential_channel(1, true);
     info!("adc initialized");
     loop {
-        let measured = adc.blocking_read(&mut p.PA0, SampleTime::CYCLES247_5);
+        let measured = adc.blocking_read(&mut differential_channel, SampleTime::CYCLES247_5);
         info!("data: {}", measured);
         Timer::after_millis(500).await;
     }