From 8c88456fcb6e537558876124cd61462ad61dd469 Mon Sep 17 00:00:00 2001
From: sigil-03 <sigil@glyphs.tech>
Date: Sat, 25 Oct 2025 14:09:54 -0600
Subject: [PATCH] add second ADC pin

---
 ch32v-insert-coin/src/main.rs | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/ch32v-insert-coin/src/main.rs b/ch32v-insert-coin/src/main.rs
index 2db5988..40b71dc 100644
--- a/ch32v-insert-coin/src/main.rs
+++ b/ch32v-insert-coin/src/main.rs
@@ -293,7 +293,9 @@ fn app_main(mut p: hal::Peripherals, mut delay: Delay) -> ! {
     let led1_ch = hal::timer::Channel::Ch1;
 
     // LED2 output setup
-
+    let led2_pin = PwmPin::new_ch2::<0>(p.PA1);
+    let led2_ch = hal::timer::Channel::Ch2;    
+    
     // DAC output setup
     let dac_pin = PwmPin::new_ch4::<0>(p.PC4);
     // let dac_ch = hal::timer::Channel::Ch4;
@@ -302,10 +304,10 @@ fn app_main(mut p: hal::Peripherals, mut delay: Delay) -> ! {
     let mut pwm = SimplePwm::new(
         p.TIM1,
         Some(led1_pin),
-        None,
+        Some(led2_pin),
         Some(led0_pin),
         Some(dac_pin),
-        Hertz::khz(100),
+        Hertz::khz(200),
         CountingMode::default(),
     );
 
@@ -323,6 +325,11 @@ fn app_main(mut p: hal::Peripherals, mut delay: Delay) -> ! {
     // adc
     let mut adc = hal::adc::Adc::new(p.ADC1, Default::default());
     let mut adc_pin = p.PD4;
+
+    // adc2
+    // let mut usb_detect_dc = hal::adc::Adc::new(p.ADC1, Default::default());
+    let mut usb_adc_pin = p.PD5;
+    
     // println!("ADC_PIN CHANNEL: {}", adc_pin.channel().channel());
     delay.delay_ms(1000);
     let adc_cal = adc.calibrate();
@@ -519,6 +526,7 @@ fn app_main(mut p: hal::Peripherals, mut delay: Delay) -> ! {
 
             if adc1_timer.need_service() {
                 let val = adc.convert(&mut adc_pin, hal::adc::SampleTime::CYCLES241);
+                let val = adc.convert(&mut usb_adc_pin, hal::adc::SampleTime::CYCLES241);
                 #[cfg(feature="enable_print")]
                 println!("ADC value: {}", val);