2 files changed, 9 insertions, 10 deletions

diff --git a/embassy-stm32/src/timer/simple_pwm.rs b/embassy-stm32/src/timer/simple_pwm.rs
index acf0d12f9..7a5475c31 100644
--- a/embassy-stm32/src/timer/simple_pwm.rs
+++ b/embassy-stm32/src/timer/simple_pwm.rs
@@ -177,15 +177,14 @@ where
         let req = self.dma.request();
 
         #[cfg(not(any(bdma, gpdma)))]
-        let dma_regs = self.dma.regs();
-        #[cfg(not(any(bdma, gpdma)))]
-        let isr_num = self.dma.num() / 4;
-        #[cfg(not(any(bdma, gpdma)))]
-        let isr_bit = self.dma.num() % 4;
-        #[cfg(not(any(bdma, gpdma)))]
-        let isr_reg = dma_regs.isr(isr_num);
-        #[cfg(not(any(bdma, gpdma)))]
-        let ifcr_reg = dma_regs.ifcr(isr_num);
+        let (isr_bit, isr_reg, ifcr_reg) = {
+            let dma_regs = self.dma.regs();
+            let isr_num = self.dma.num() / 4;
+            let isr_bit = self.dma.num() % 4;
+            let isr_reg = dma_regs.isr(isr_num);
+            let ifcr_reg = dma_regs.ifcr(isr_num);
+            (isr_bit, isr_reg, ifcr_reg)
+        };
 
         #[cfg(not(any(bdma, gpdma)))]
         // clean DMA FIFO error before a transfer
diff --git a/examples/stm32f4/src/bin/ws2812_pwm.rs b/examples/stm32f4/src/bin/ws2812_pwm.rs
index 973743e49..93a89f16a 100644
--- a/examples/stm32f4/src/bin/ws2812_pwm.rs
+++ b/examples/stm32f4/src/bin/ws2812_pwm.rs
@@ -91,7 +91,7 @@ async fn main(_spawner: Spawner) {
 
     loop {
         for &color in color_list {
-            ws2812_pwm.gen_waveform(Channel::Ch1, color).await;
+            ws2812_pwm.gen_waveform(pwm_channel, color).await;
             // ws2812 need at least 50 us low level input to confirm the input data and change it's state
             Timer::after_micros(50).await;
             // wait until ticker tick