HRTIM: adc-trigger example set duty

Author: usbalbin

examples/hrtim/adc-trigger.rs

@@ -87,16 +87,20 @@ fn main() -> ! {
     //out1    |      |        |      |
     //        |      |        |      |
     // --------      ----------      --------
+    //        .    ^     ^
+    //        .    |     |
+    //AD samlp    pa0   temp
     let period = 0xFFFF;
     let (hr_control, ..) = dp.HRTIM_COMMON.hr_control(&mut rcc).wait_for_calibration();
     let mut hr_control = hr_control.constrain();
-    let (mut timer, (cr1, _cr2, mut cr3, mut cr4), (mut out1, mut out2)) = dp
+    let (mut timer, (mut cr1, _cr2, mut cr3, mut cr4), (mut out1, mut out2)) = dp
         .HRTIM_TIMA
         .pwm_advanced((pin_a, pin_b), &mut rcc)
         .prescaler(prescaler)
         .period(period)
         .finalize(&mut hr_control);
 
+    cr1.set_duty(period / 2);
     cr3.set_duty(period / 3);
     cr4.set_duty((2 * u32::from(period) / 3) as u16);