add amp_en control

ch32v-insert-coin/src/app.rs

@@ -193,6 +193,7 @@ pub struct TimerConfig {
     pub usb_adc_timer_ms: usize,
     pub led0_timer_ms: usize,
     pub led1_timer_ms: usize,
+    pub shutdown_timer_ms: usize,
     // pub led2_timer_ms: usize,
 }
 
@@ -203,6 +204,7 @@ pub struct Timers {
     usb_adc_timer: TickTimerService,
     led0_timer: TickTimerService,
     led1_timer: TickTimerService,
+    shutdown_timer: TickTimerService,
     // led2_timer: TickTimerService,
 }
 
@@ -233,7 +235,10 @@ impl Timers {
                 TickServiceData::new(config.led1_timer_ms * system_tick_rate_hz / 1000),
                 true,
             ),
-            // led2_timer: TickTimerService::new(
+            shutdown_timer: TickTimerService::new(
+                TickServiceData::new(config.shutdown_timer_ms * system_tick_rate_hz / 1000),
+                false,
+            ), // led2_timer: TickTimerService::new(
                //     TickServiceData::new(config.led2_timer_ms * system_tick_rate_hz / 1000),
                //     true,
                // ),
@@ -246,6 +251,7 @@ impl Timers {
         self.usb_adc_timer.tick();
         self.led0_timer.tick();
         self.led1_timer.tick();
+        self.shutdown_timer.tick();
         // self.led2_timer.tick();
     }
     pub fn need_service(&self) -> bool {
@@ -255,6 +261,7 @@ impl Timers {
             | self.usb_adc_timer.need_service()
             | self.led0_timer.need_service()
             | self.led1_timer.need_service()
+            | self.shutdown_timer.need_service()
         // | self.led2_timer.need_service()
     }
     pub fn init(&mut self) {
@@ -302,6 +309,7 @@ pub struct Sequences {
 pub struct Interfaces {
     pub pwm_core: SimplePwmCore<'static, ch32_hal::peripherals::TIM1>,
     pub adc_core: crate::AdcCore,
+    pub amp: crate::Amplifier,
 }
 
 pub struct App {
@@ -345,6 +353,9 @@ impl App {
         self.timers.led1_timer.reset();
         self.timers.led1_timer.enable(true);
 
+        self.timers.shutdown_timer.reset();
+        self.timers.shutdown_timer.enable(true);
+
         // self.timers.led2_timer.reset();
         // self.timers.led2_timer.enable(true);
 
@@ -394,14 +405,8 @@ impl App {
             // #[cfg(feature = "enable_print")]
             // println!("batt adc service: {bv}, {avg}");
             if avg < 421 {
-                // self.services
-                // .sequencer
-                // .play_sequence(&crate::sequences::COIN_CHIRP, 0);
                 self.set_state(State::DeepSleep);
             }
-
-            // TODO:
-            // do stuff if the battery voltage is below some threshold
         }
         if self.timers.usb_adc_timer.need_service() {
             self.timers.usb_adc_timer.service();
@@ -442,6 +447,11 @@ impl App {
             // #[cfg(feature = "enable_print")]
             // println!("led1 service");
         }
+        if self.timers.shutdown_timer.need_service() {
+            self.timers.shutdown_timer.service();
+            self.timers.shutdown_timer.reset();
+            self.set_state(State::DeepSleep);
+        }
         // if self.timers.led2_timer.need_service() {
         //     let out = match self.settings.brightness {
         //         Level::Off => 0,
@@ -493,10 +503,14 @@ impl App {
             } else {
                 self.services.sequencer.disable();
                 self.services.synth0.disable();
+                self.interfaces.amp.disable();
             }
         }
 
         if self.services.synth0.need_service() {
+            if !self.interfaces.amp.enabled() {
+                self.interfaces.amp.enable();
+            }
             let out = match self.services.synth0.service() {
                 Some(value) => value / 6 / self.settings.volume.as_volume_divisor(),
                 None => 0,
@@ -531,16 +545,21 @@ impl App {
         self.interfaces
             .pwm_core
             .disable(ch32_hal::timer::Channel::Ch4);
+        self.interfaces.amp.disable();
     }
     pub fn volume_button(&mut self) {
         self.settings.volume.next();
         #[cfg(feature = "enable_print")]
         println!("new volume: {:?}", self.settings.volume);
+        self.timers.shutdown_timer.reset();
+        self.timers.shutdown_timer.enable(true);
     }
     pub fn brightness_button(&mut self) {
         self.settings.brightness.next();
         #[cfg(feature = "enable_print")]
         println!("new brightness: {:?}", self.settings.brightness);
+        self.timers.shutdown_timer.reset();
+        self.timers.shutdown_timer.enable(true);
     }
     pub fn main_button_press(&mut self) {
         // TODO
@@ -548,8 +567,10 @@ impl App {
         println!("main button press");
         self.timers.sp_timer.reset();
         self.timers.lp_timer.reset();
+        self.timers.shutdown_timer.reset();
         self.timers.sp_timer.enable(true);
         self.timers.lp_timer.enable(true);
+        self.timers.shutdown_timer.enable(true);
         self.main_button_click();
     }
     pub fn main_button_release(&mut self) {
@@ -581,6 +602,8 @@ impl App {
         self.services
             .sequencer
             .play_sequence(&crate::sequences::COIN_CHIRP, 0);
+        self.timers.shutdown_timer.reset();
+        self.timers.shutdown_timer.enable(true);
     }
 }
 

ch32v-insert-coin/src/main.rs

@@ -44,6 +44,27 @@ use crate::app::sequencer::{DynamicSequence, SequenceEntry};
 
 static LED0_SEQ: [u8; 8] = [0u8, 25u8, 50u8, 75u8, 100u8, 75u8, 50u8, 25u8];
 
+pub struct Amplifier {
+    amp_en: Output<'static>,
+}
+
+impl Amplifier {
+    pub fn new(amp_en: Output<'static>) -> Self {
+        let mut amp = Self { amp_en };
+        amp.disable();
+        amp
+    }
+    pub fn enable(&mut self) {
+        self.amp_en.set_low();
+    }
+    pub fn disable(&mut self) {
+        self.amp_en.set_high();
+    }
+    pub fn enabled(&self) -> bool {
+        !self.amp_en.is_set_high()
+    }
+}
+
 use hal::adc::Adc;
 use hal::peripherals::{ADC1, PD4};
 
@@ -271,7 +292,7 @@ fn app_main(mut p: hal::Peripherals) -> ! {
     let extra_io_2 = p.PD3;
 
     let mut amp_en_output = Output::new(amp_en, Level::Low, Default::default());
-    amp_en_output.set_low();
+    let amp = Amplifier::new(amp_en_output);
 
     // set up interrupts
     unsafe { system::init_gpio_irq(sense_coin_pin.pin(), sense_coin_pin.port(), true, false) };
@@ -297,6 +318,7 @@ fn app_main(mut p: hal::Peripherals) -> ! {
         usb_adc_timer_ms: 10000,
         led0_timer_ms: 100,
         led1_timer_ms: 100,
+        shutdown_timer_ms: 4 * 60 * 60 * 1000,
         // led2_timer_ms: 100,
     };
 
@@ -334,7 +356,11 @@ fn app_main(mut p: hal::Peripherals) -> ! {
         audio: &SEQUENCE_LIST,
     };
 
-    let app_interfaces = Interfaces { pwm_core, adc_core };
+    let app_interfaces = Interfaces {
+        pwm_core,
+        adc_core,
+        amp,
+    };
 
     let mut app = App::new(app_config, app_services, app_sequences, app_interfaces);