Fix adc examples

dbrgn · dbrgn · commit 4482ad761de9 · 2020-04-06T14:14:05.000+02:00
diff --git a/examples/adc_cont.rs b/examples/adc_cont.rs
@@ -43,7 +43,7 @@ fn main() -> ! {
     // Initialize USART for test output
     let (mut tx, _) = dp.USART2
         .usart(
-            (tx, rx),
+            tx, rx,
             serial::Config::default()
                 .baudrate(115_200.bps()),
             &mut rcc,
diff --git a/examples/adc_multi.rs b/examples/adc_multi.rs
@@ -44,7 +44,7 @@ fn main() -> ! {
     // Initialize USART for test output
     let (mut tx, _) = dp.USART2
         .usart(
-            (tx, rx),
+            tx, rx,
             serial::Config::default()
                 .baudrate(115_200.bps()),
             &mut rcc,
diff --git a/examples/adc_trig.rs b/examples/adc_trig.rs
@@ -47,7 +47,7 @@ fn main() -> ! {
     // Initialize USART for test output
     let (mut tx, _) = dp.USART2
         .usart(
-            (tx, rx),
+            tx, rx,
             serial::Config::default()
                 .baudrate(115_200.bps()),
             &mut rcc,
