.gitmodules

@@ -1,12 +1,9 @@
+[submodule "adpcm-pwm-dac"]
+	path = ch32v-insert-coin/ext/adpcm-pwm-dac
+	url = ssh://git@git.glyphs.tech:222/sigil-03/adpcm-pwm-dac.git
 [submodule "ch32v-insert-coin/ext/ch32-hal"]
 	path = ch32v-insert-coin/ext/ch32-hal
-	url = https://github.com/sigil-03/ch32-hal.git
+	url = git@github.com:sigil-03/ch32-hal.git
 [submodule "ch32v-insert-coin/ext/qingke"]
 	path = ch32v-insert-coin/ext/qingke
-	url = https://github.com/ch32-rs/qingke.git
+	url = git@github.com:ch32-rs/qingke.git
-[submodule "ch32v-insert-coin/ext/adpcm-pwm-dac"]
-	path = ch32v-insert-coin/ext/adpcm-pwm-dac
-	url = https://git.glyphs.tech/sigil-03/adpcm-pwm-dac.git
-[submodule "ch32v-insert-coin/ext/wavetable-synth"]
-	path = ch32v-insert-coin/ext/wavetable-synth
-	url = https://git.glyphs.tech/sigil-03/wavetable-synth.git

ch32v-insert-coin/Cargo.lock

@@ -78,7 +78,6 @@ dependencies = [
  "panic-halt",
  "qingke 0.5.0",
  "qingke-rt",
- "wavetable-synth",
 ]
 
 [[package]]
@@ -627,7 +626,3 @@ name = "void"
 version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"
-
-[[package]]
-name = "wavetable-synth"
-version = "0.1.0"

ch32v-insert-coin/Cargo.toml

@@ -3,9 +3,6 @@ name = "ch32v-insert-coin"
 version = "0.1.0"
 edition = "2024"
 
-[features]
-enable_print = []
-
 [dependencies]
 ch32-hal = { path = "ext/ch32-hal/", features = [
     "ch32v003f4u6",
@@ -31,8 +28,6 @@ qingke = {path = "ext/qingke"}
 
 adpcm-pwm-dac = { path = "ext/adpcm-pwm-dac/" }
 
-wavetable-synth = { path = "ext/wavetable-synth" }
-
 critical-section = { version = "1.2.0" }
 
 [profile.release]

ch32v-insert-coin/audio/sequences

@@ -1,18 +0,0 @@
-"wahwahwahwah" sound - let play a few times
-note timing: 6hz
-data: let freqs = [100, 200, 300, 400, 500, 600, 700, 800, 900];
-
-"falling" sound
-note timing: 6hz
-[
-1000,
-990, 980, 970, 960, 950, 940, 930, 920, 910, 900,
-890, 880, 870, 860, 850, 840, 830, 820, 810, 800,
-790, 780, 770, 760, 750, 740, 730, 720, 710, 700,
-690, 680, 670, 660, 650, 640, 630, 620, 610, 600,
-590, 580, 570, 560, 550, 540, 530, 520, 510, 500,
-490, 480, 470, 460, 450, 440, 430, 420, 410, 400,
-390, 380, 370, 360, 350, 340, 330, 320, 310, 300,
-290, 280, 270, 260, 250, 240, 230, 220, 210, 200,
-190, 180, 170, 160, 150, 140, 130, 120, 110, 100,
-]

ch32v-insert-coin/ext/adpcm-pwm-dac

@@ -1 +1 @@
-Subproject commit 99ce71e8d03e382b51732db7d0771349c51c7f48
+Subproject commit e4bb93e0399f27024434adf2558a893574fbfef3

ch32v-insert-coin/ext/ch32-hal

@@ -1 +1 @@
-Subproject commit 4f11d68e62dcb0e7098eecf357168724a8322d80
+Subproject commit 412b9f5ee3a3708de8602d6103ec83c6dd436b63

ch32v-insert-coin/ext/wavetable-synth

@@ -1 +0,0 @@
-Subproject commit 30033e1438c25aed4ea506cdbd69cc4ceffa0b4e

ch32v-insert-coin/init.sh

@@ -2,7 +2,7 @@
 DIR=${PWD}
 mkdir ${PWD}/tmp
 cd tmp
-git clone ssh://git@git.glyphs.tech:222/taproot-tech/docker-devtools.git
+git clone ssh://git@git.glyphs.tech:222/sigil-03/docker-devtools.git
 cd docker-devtools/ch32
 ls
 ./build.sh

ch32v-insert-coin/launch.sh

@@ -1,2 +1,2 @@
 #!/bin/bash
-podman run --privileged -it --rm -v "$PWD":/usr/src/app -w /usr/src/app ch32-rust:latest /bin/bash 
+docker run --privileged -it --rm -v "$PWD":/usr/src/app -w /usr/src/app ch32-rust:latest /bin/bash 

ch32v-insert-coin/riscv32ec-unknown-none-elf.json

@@ -14,5 +14,5 @@
     "max-atomic-width": 32,
     "panic-strategy": "abort",
     "relocation-model": "static",
-    "target-pointer-width": 32
+    "target-pointer-width": "32"
-}
+}

ch32v-insert-coin/src/app.rs

@@ -1,705 +0,0 @@
-#[derive(Default, Clone, Copy)]
-pub enum State {
-    // system is asleep, waiting for wake from coin insertion
-    DeepSleep,
-    // system is in low-power mode, dimmed lights, waiting for interaction
-    Idle,
-    // system is active. on entry: play coin sound. on button press: play different sound
-    #[default]
-    Active,
-}
-
-pub mod settings {
-
-    #[derive(Debug, Default, Clone, Copy)]
-    pub enum Level {
-        Off,
-        Low,
-        #[default]
-        Medium,
-        High,
-        Maximum,
-    }
-
-    impl Level {
-        pub fn next(&mut self) {
-            *self = match self {
-                Self::Off => Self::Low,
-                Self::Low => Self::Medium,
-                Self::Medium => Self::High,
-                Self::High => Self::Maximum,
-                Self::Maximum => Self::Off,
-            };
-        }
-    }
-
-    // volume control
-    impl Level {
-        pub fn as_volume_divisor(&self) -> u8 {
-            match self {
-                Self::Off => u8::MAX,
-                Self::Low => 4,
-                Self::Medium => 3,
-                Self::High => 2,
-                Self::Maximum => 1,
-            }
-        }
-
-        pub fn as_brightness_divisor(&self) -> u8 {
-            match self {
-                Self::Off => u8::MAX,
-                Self::Low => 8,
-                Self::Medium => 6,
-                Self::High => 4,
-                Self::Maximum => 2,
-            }
-        }
-    }
-
-    #[derive(Clone, Copy)]
-    pub struct Settings {
-        pub brightness: Level,
-        pub volume: Level,
-        pub button_sound_index: usize,
-    }
-
-    impl Default for Settings {
-        fn default() -> Self {
-            Self {
-                brightness: Level::Medium,
-                volume: Level::Medium,
-                button_sound_index: 0,
-            }
-        }
-    }
-}
-
-pub mod sequencer {
-    pub struct BasicSequence<'a> {
-        sequence: &'a [u8],
-        index: usize,
-    }
-    impl<'a> BasicSequence<'a> {
-        pub fn new(sequence: &'a [u8]) -> Self {
-            Self { sequence, index: 0 }
-        }
-        pub fn next(&mut self) {
-            self.index += 1;
-            if self.index > self.sequence.len() - 1 {
-                self.index = 0;
-            }
-        }
-        pub fn get_value(&self) -> u8 {
-            self.sequence[self.index]
-        }
-    }
-
-    pub struct SequenceEntry {
-        pub frequency_hz: u16,
-        pub duration_ms: u16,
-    }
-
-    pub struct DynamicSequence<'a> {
-        sequence: &'a [SequenceEntry],
-        index: usize,
-
-        // timer stuff
-        system_tick_rate_hz: usize,
-        ticks_remaining: usize,
-
-        // playback stuff
-        num_loops: usize,
-        loop_count: usize,
-
-        // misc
-        enabled: bool,
-    }
-
-    impl<'a> DynamicSequence<'a> {
-        pub fn new(sequence: &'a [SequenceEntry], system_tick_rate_hz: usize) -> Self {
-            Self {
-                sequence,
-                index: 0,
-                system_tick_rate_hz,
-                ticks_remaining: 0,
-                num_loops: 1,
-                loop_count: 0,
-                enabled: false,
-            }
-        }
-
-        pub fn play_sequence(&mut self, sequence: &'a [SequenceEntry], num_loops: usize) {
-            self.sequence = sequence;
-            self.num_loops = num_loops;
-            self.loop_count = 0;
-            self.enabled = true;
-            self.index = 0;
-            self.ticks_remaining = 0;
-        }
-
-        pub fn enable(&mut self) {
-            self.enabled = true;
-        }
-
-        pub fn disable(&mut self) {
-            self.enabled = false;
-        }
-
-        pub fn tick(&mut self) {
-            if self.enabled {
-                self.ticks_remaining = self.ticks_remaining.saturating_sub(1);
-            }
-        }
-
-        pub fn need_service(&self) -> bool {
-            self.enabled && self.ticks_remaining == 0
-        }
-
-        pub fn service(&mut self) -> Option<u16> {
-            let entry = &self.sequence[self.index];
-            self.ticks_remaining = self.system_tick_rate_hz * (entry.duration_ms as usize) / 1000;
-            self.index = self.index.saturating_add(1);
-
-            let out = if self.loop_count > self.num_loops {
-                None
-            } else {
-                Some(entry.frequency_hz)
-            };
-
-            if self.index > self.sequence.len() - 1 {
-                self.index = 0;
-                self.loop_count = self.loop_count.saturating_add(1);
-            }
-
-            out
-        }
-    }
-}
-
-use crate::insert_coin::{
-    DacService, LedService, Service, SimplePwmCore, TickService, TickServiceData, TickTimerService,
-};
-use crate::synthesizer::SynthesizerService;
-
-pub use settings::Settings;
-
-// #[cfg(feature = "enable_print")]
-use ch32_hal::println;
-
-pub struct TimerConfig {
-    pub sp_timer_ms: usize,
-    pub lp_timer_ms: usize,
-    pub batt_adc_timer_ms: usize,
-    pub usb_adc_timer_ms: usize,
-    pub led0_timer_ms: usize,
-    pub led1_timer_ms: usize,
-    pub shutdown_timer_s: usize,
-    // pub led2_timer_ms: usize,
-}
-
-pub struct Timers {
-    sp_timer: TickTimerService,
-    lp_timer: TickTimerService,
-    batt_adc_timer: TickTimerService,
-    usb_adc_timer: TickTimerService,
-    led0_timer: TickTimerService,
-    led1_timer: TickTimerService,
-    shutdown_timer: TickTimerService,
-    pps_timer: TickTimerService,
-    // led2_timer: TickTimerService,
-}
-
-impl Timers {
-    pub fn new(config: TimerConfig, system_tick_rate_hz: usize) -> Self {
-        Self {
-            sp_timer: TickTimerService::new(
-                TickServiceData::new(config.sp_timer_ms * system_tick_rate_hz / 1000),
-                false,
-            ),
-            lp_timer: TickTimerService::new(
-                TickServiceData::new(config.lp_timer_ms * system_tick_rate_hz / 1000),
-                false,
-            ),
-            batt_adc_timer: TickTimerService::new(
-                TickServiceData::new(config.batt_adc_timer_ms * system_tick_rate_hz / 1000),
-                false,
-            ),
-            usb_adc_timer: TickTimerService::new(
-                TickServiceData::new(config.usb_adc_timer_ms * system_tick_rate_hz / 1000),
-                false,
-            ),
-            led0_timer: TickTimerService::new(
-                TickServiceData::new(config.led0_timer_ms * system_tick_rate_hz / 1000),
-                true,
-            ),
-            led1_timer: TickTimerService::new(
-                TickServiceData::new(config.led1_timer_ms * system_tick_rate_hz / 1000),
-                true,
-            ),
-            shutdown_timer: TickTimerService::new(
-                TickServiceData::new(config.shutdown_timer_s),
-                false,
-            ),
-            pps_timer: TickTimerService::new(TickServiceData::new(system_tick_rate_hz), true),
-            // led2_timer: TickTimerService::new(
-            //     TickServiceData::new(config.led2_timer_ms * system_tick_rate_hz / 1000),
-            //     true,
-            // ),
-        }
-    }
-    pub fn tick(&mut self) {
-        self.sp_timer.tick();
-        self.lp_timer.tick();
-        self.batt_adc_timer.tick();
-        self.usb_adc_timer.tick();
-        self.led0_timer.tick();
-        self.led1_timer.tick();
-        self.pps_timer.tick();
-        // self.led2_timer.tick();
-    }
-    pub fn need_service(&self) -> bool {
-        self.sp_timer.need_service()
-            | self.lp_timer.need_service()
-            | self.batt_adc_timer.need_service()
-            | self.usb_adc_timer.need_service()
-            | self.led0_timer.need_service()
-            | self.led1_timer.need_service()
-            | self.shutdown_timer.need_service()
-            | self.pps_timer.need_service()
-        // | self.led2_timer.need_service()
-    }
-    pub fn init(&mut self) {
-        self.led0_timer.reset();
-        self.led0_timer.enable(true);
-    }
-}
-
-// pub struct ServiceConfigs {
-
-// }
-// things that sort of don't touch hardware but also do?
-// TODO: make this merged with the interfaces maybe
-// but also maybe not, since these are things that require servicing
-pub struct Services {
-    pub led0: LedService,
-    pub led1: LedService,
-    // pub led2: LedService,
-    pub synth0: SynthesizerService,
-    pub sample_player: DacService<'static>,
-    pub sequencer: sequencer::DynamicSequence<'static>,
-}
-
-impl Services {
-    pub fn tick(&mut self) {
-        self.synth0.tick();
-        self.sample_player.tick();
-        self.sequencer.tick();
-    }
-}
-
-pub struct Config {
-    pub system_tick_rate_hz: usize,
-    pub timers: TimerConfig,
-}
-
-pub struct Sequences {
-    pub led0: sequencer::BasicSequence<'static>,
-    pub led1: sequencer::BasicSequence<'static>,
-    // pub led2: sequencer::BasicSequence<'static>,
-    pub audio: &'static [(&'static [sequencer::SequenceEntry], usize)],
-}
-
-// things that touch hardware
-pub struct Interfaces {
-    pub pwm_core: SimplePwmCore<'static, ch32_hal::peripherals::TIM1>,
-    pub adc_core: crate::AdcCore,
-    pub amp: crate::Amplifier,
-    pub usb: crate::Usb,
-}
-
-pub struct App {
-    state: State,
-    pub settings: Settings,
-    timers: Timers,
-    services: Services,
-    sequences: Sequences,
-    interfaces: Interfaces,
-}
-
-use settings::Level;
-impl App {
-    pub fn new(
-        config: Config,
-        services: Services,
-        sequences: Sequences,
-        interfaces: Interfaces,
-        settings: Settings,
-    ) -> Self {
-        Self {
-            state: State::default(),
-            settings,
-            timers: Timers::new(config.timers, config.system_tick_rate_hz),
-            services,
-            sequences,
-            interfaces,
-        }
-    }
-
-    pub fn init(&mut self) {
-        // self.timers.init();
-        self.interfaces.amp.enable();
-
-        self.timers.batt_adc_timer.reset();
-        self.timers.batt_adc_timer.enable(true);
-
-        self.timers.usb_adc_timer.reset();
-        self.timers.usb_adc_timer.enable(true);
-
-        self.timers.led0_timer.reset();
-        self.timers.led0_timer.enable(true);
-
-        self.timers.led1_timer.reset();
-        self.timers.led1_timer.enable(true);
-
-        self.timers.shutdown_timer.reset();
-        self.timers.shutdown_timer.enable(true);
-
-        self.timers.pps_timer.reset();
-        self.timers.pps_timer.enable(true);
-
-        // self.timers.led2_timer.reset();
-        // self.timers.led2_timer.enable(true);
-
-        // self.services.synth0.set_freq(1);
-        self.services.synth0.disable();
-        self.services.sequencer.disable();
-
-        crate::riscv::asm::delay(2_500_000);
-    }
-
-    pub fn set_state(&mut self, state: State) {
-        self.state = state
-    }
-
-    pub fn state(&self) -> State {
-        self.state
-    }
-
-    pub fn settings(&self) -> Settings {
-        self.settings
-    }
-
-    pub fn tick(&mut self) {
-        self.timers.tick();
-        self.services.tick();
-    }
-
-    pub fn service(&mut self) {
-        // timers
-        if self.timers.sp_timer.need_service() {
-            self.timers.sp_timer.service();
-            #[cfg(feature = "enable_print")]
-            println!("sp service");
-            self.timers.sp_timer.reset();
-            self.main_button_short_press();
-        }
-        if self.timers.lp_timer.need_service() {
-            self.timers.lp_timer.service();
-            #[cfg(feature = "enable_print")]
-            println!("lp service");
-            self.timers.lp_timer.reset();
-            self.main_button_long_press();
-        }
-        if self.timers.batt_adc_timer.need_service() {
-            self.timers.batt_adc_timer.service();
-            if !self.interfaces.usb.powered() {
-                let bv = self.interfaces.adc_core.get_battery_voltage();
-                let avg = self.interfaces.adc_core.get_average();
-                // #[cfg(feature = "enable_print")]
-                // println!("batt adc service: {bv}, {avg}");
-                // println!("none USB");
-                if avg < 421 {
-                    self.set_state(State::DeepSleep);
-                }
-            }
-        }
-        if self.timers.usb_adc_timer.need_service() {
-            self.timers.usb_adc_timer.service();
-            #[cfg(feature = "enable_print")]
-            println!("usb adc service");
-        }
-        if self.timers.led0_timer.need_service() {
-            let out = match self.settings.brightness {
-                Level::Off => 0,
-                Level::Low => 5,
-                Level::Medium => 25,
-                Level::High => 75,
-                Level::Maximum => {
-                    self.sequences.led0.next();
-                    self.sequences.led0.get_value() / 6
-                }
-            };
-
-            self.timers.led0_timer.service();
-            self.services.led0.set_amplitude(out);
-            // #[cfg(feature = "enable_print")]
-            // println!("led0 sevice {}", self.sequences.led0.get_value());
-        }
-        if self.timers.led1_timer.need_service() {
-            let out = match self.settings.brightness {
-                Level::Off => 0,
-                Level::Low => 5,
-                Level::Medium => 25,
-                Level::High => 75,
-                Level::Maximum => {
-                    self.sequences.led1.next();
-                    self.sequences.led1.get_value() / 6
-                }
-            };
-            self.timers.led1_timer.service();
-            self.services.led1.set_amplitude(out);
-
-            // #[cfg(feature = "enable_print")]
-            // println!("led1 service");
-        }
-        if self.timers.pps_timer.need_service() {
-            self.timers.pps_timer.service();
-            self.timers.shutdown_timer.tick();
-        }
-        if self.timers.shutdown_timer.need_service() {
-            self.timers.shutdown_timer.service();
-            self.timers.shutdown_timer.reset();
-            // println!("eepy");
-            self.set_state(State::DeepSleep);
-        }
-        // if self.timers.led2_timer.need_service() {
-        //     let out = match self.settings.brightness {
-        //         Level::Off => 0,
-        //         Level::Low => 5,
-        //         Level::Medium => 25,
-        //         Level::High => 75,
-        //         Level::Maximum => {
-        //             self.sequences.led2.next();
-        //             self.sequences.led2.get_value() / 6
-        //         }
-        //     };
-        //     self.timers.led2_timer.service();
-        //     self.services.led2.set_amplitude(out);
-
-        //     // #[cfg(feature = "enable_print")]
-        //     // println!("led2 service");
-        // }
-
-        // services
-        if self.services.led0.need_service() {
-            self.interfaces
-                .pwm_core
-                .write_amplitude(self.services.led0.channel, self.services.led0.amplitude);
-            self.services.led0.service();
-        }
-        if self.services.led1.need_service() {
-            self.interfaces
-                .pwm_core
-                .write_amplitude(self.services.led1.channel, self.services.led1.amplitude);
-            self.services.led1.service();
-        }
-        // if self.services.led2.need_service() {
-        //     self.interfaces
-        //         .pwm_core
-        //         .write_amplitude(self.services.led2.channel, self.services.led2.amplitude);
-        //     self.services.led2.service();
-        // }
-
-        // TODO: disable when you get to the end automatically
-        // in the sequencer, not here
-        if self.services.sequencer.need_service() {
-            if let Some(out) = self.services.sequencer.service() {
-                if out == 0 {
-                    self.services.synth0.disable();
-                } else {
-                    self.services.synth0.enable();
-                    self.services.synth0.set_freq(out.into());
-                }
-            } else {
-                self.services.sequencer.disable();
-                self.services.synth0.disable();
-            }
-        }
-
-        if self.services.synth0.need_service() {
-            let out = match self.services.synth0.service() {
-                Some(value) => value / 6 / self.settings.volume.as_volume_divisor(),
-                None => 0,
-            };
-            self.interfaces
-                .pwm_core
-                .write_amplitude(ch32_hal::timer::Channel::Ch4, out);
-        }
-
-        if self.services.sample_player.need_service() {
-            self.services.sample_player.service();
-            let out = self.services.sample_player.get_amplitude() / 2;
-            self.interfaces
-                .pwm_core
-                .write_amplitude(ch32_hal::timer::Channel::Ch4, out as u8);
-        }
-    }
-}
-
-// interfaces to the app (for buttons, etc.)
-impl App {
-    pub fn shut_down(&mut self) {
-        self.interfaces
-            .pwm_core
-            .write_amplitude(self.services.led0.channel, 0);
-        self.interfaces
-            .pwm_core
-            .write_amplitude(self.services.led1.channel, 0);
-        crate::riscv::asm::delay(10_000_000);
-
-        self.interfaces.pwm_core.pwm.borrow().shutdown();
-        self.interfaces.adc_core.shutdown();
-
-        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.services
-            .sequencer
-            .play_sequence(&crate::sequences::COIN_CHIRP, 0);
-        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
-        #[cfg(feature = "enable_print")]
-        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) {
-        // TODO
-        // #[cfg(feature = "enable_print")]
-        // println!("main button release");
-        // let timers = (
-        //     self.timers.sp_timer.is_enabled(),
-        //     self.timers.lp_timer.is_enabled(),
-        // );
-
-        self.timers.sp_timer.reset();
-        self.timers.lp_timer.reset();
-        // match timers {
-        //     // click
-        //     (true, true) => self.main_button_click(),
-        //     // short press
-        //     (false, true) => self.main_button_short_press(),
-        //     // long press
-        //     (false, false) => self.main_button_long_press(),
-        //     // anything else is not possible
-        //     _ => {}
-        // }
-    }
-    pub fn coin_detect(&mut self) {
-        #[cfg(feature = "enable_print")]
-        println!("coin detect");
-        // self.services.sample_player.play_sample();
-        self.services
-            .sequencer
-            .play_sequence(&crate::sequences::COIN_CHIRP, 0);
-        self.timers.shutdown_timer.reset();
-        self.timers.shutdown_timer.enable(true);
-    }
-}
-
-// Events
-impl App {
-    pub fn main_button_click(&mut self) {
-        // TODO
-        #[cfg(feature = "enable_print")]
-        println!("click");
-        let data = self.sequences.audio[self.settings.button_sound_index];
-        self.services.sequencer.play_sequence(data.0, data.1);
-
-        self.settings.button_sound_index += 1;
-        if self.settings.button_sound_index > self.sequences.audio.len() - 1 {
-            self.settings.button_sound_index = 0;
-        }
-
-        self.services.synth0.enable();
-
-        // TODO:
-        // this is a hack to stop the coin thing from playing.
-        self.services.sample_player.disable();
-    }
-    fn main_button_short_press(&self) {
-        // TODO
-        #[cfg(feature = "enable_print")]
-        println!("short press");
-    }
-    fn main_button_long_press(&mut self) {
-        // TODO
-        #[cfg(feature = "enable_print")]
-        println!("long press");
-        self.set_state(State::DeepSleep);
-    }
-}
-
-// Getters
-impl App {
-    pub fn get_state(&self) -> State {
-        self.state
-    }
-    pub fn get_settings(&self) -> Settings {
-        self.settings
-    }
-    pub fn should_wake(&self) -> bool {
-        if self.interfaces.usb.powered() {
-            return true;
-        } else {
-            if self.interfaces.adc_core.get_average() >= 421 {
-                return true;
-            }
-        }
-        return false;
-    }
-}
-
-// TODO LIST
-// BROKEN:
-// 1. audio scaling causes crash
-// 2. popping on sample playback
-// 3. actual app sequence (start at idle?)
-//
-// AUDIO:
-// 3. amp_en control
-//
-// LED:
-//
-// INTERFACE:
-// 1. short press handling
-// 2. long press handling
-//
-// SYSTEM:
-// 1. deep sleep
-// 2. battery voltage monitoring
-// 3. battery voltage cutoff
-//
-// STRETCH TODO LIST
-// 1. clean up edge detector
-// 2. better handling for pwm scaling (brightness / volume)
-// 3. better interrupt handling structs
-// 4. led DynamicSequence

ch32v-insert-coin/src/debounced_gpio.rs

@@ -1,66 +0,0 @@
-use crate::insert_coin::{TickService, TickServiceData, TickTimerService};
-use ch32_hal::gpio::{AnyPin, Input, Pull};
-
-pub struct DebouncedGPIO<'a> {
-    input: Input<'a>,
-    // value of the GPIO
-    value: bool,
-    // GPIO is ready (debounced)
-    ready: bool,
-    // debouncer is active
-    active: bool,
-    // debounce timer
-    timer: TickTimerService,
-}
-
-impl<'a> DebouncedGPIO<'a> {
-    pub fn new(pin: AnyPin, system_tick_rate_hz: usize, debounce_time_ms: usize) -> Self {
-        // coin debounce timer (100ms)
-        Self {
-            input: Input::new(pin, Pull::None),
-            value: false,
-            ready: false,
-            active: false,
-            timer: TickTimerService::new(
-                TickServiceData::new(system_tick_rate_hz * debounce_time_ms / 1000),
-                false,
-            ),
-        }
-    }
-
-    pub fn ready(&self) -> bool {
-        self.ready
-    }
-
-    pub fn active(&self) -> bool {
-        self.active
-    }
-
-    pub fn value(&self) -> bool {
-        self.value
-    }
-
-    pub fn begin(&mut self) {
-        self.reset();
-        self.timer.enable(true);
-        self.active = true;
-    }
-
-    pub fn reset(&mut self) {
-        self.timer.reset();
-        self.ready = false;
-        self.active = false;
-    }
-
-    pub fn service(&mut self) {
-        self.timer.tick();
-        if self.timer.need_service() {
-            self.timer.reset();
-            self.value = self.input.is_high();
-            self.ready = true;
-        }
-    }
-    pub fn is_high_immediate(&self) -> bool {
-        self.input.is_high()
-    }
-}

ch32v-insert-coin/src/insert_coin/insert_coin.rs

@@ -1,8 +1,9 @@
+use ch32_hal::timer::GeneralInstance16bit;
 use ch32_hal::timer::simple_pwm::SimplePwm;
 use ch32_hal::timer::Channel;
-use ch32_hal::timer::GeneralInstance16bit;
 
-use crate::insert_coin::services::{DacService, LedService, Service, TickService, TickServiceData};
+use crate::insert_coin::services::{DacService, LedService, TickService, TickServiceData, Service};
+
 
 // static mut led0_index: usize = 0;
 // static LED0: [u8; 8] = [0u8, 25u8, 50u8, 75u8, 100u8, 75u8, 50u8, 25u8];
@@ -10,8 +11,8 @@ use crate::insert_coin::services::{DacService, LedService, Service, TickService,
 // static mut LED1_INDEX: usize = 0;
 // static LED1_DCS: [u8; 5] = [0u8, 25u8, 50u8, 75u8, 100u8];
 
-pub struct SimplePwmCore<'d, T: GeneralInstance16bit> {
+pub struct SimplePwmCore<'d, T:  GeneralInstance16bit> {
-    pub pwm: core::cell::RefCell<SimplePwm<'d, T>>,
+    pwm: core::cell::RefCell<SimplePwm<'d, T>>,
 }
 
 impl<'d, T: GeneralInstance16bit> SimplePwmCore<'d, T> {
@@ -37,26 +38,22 @@ impl<'d, T: GeneralInstance16bit> SimplePwmCore<'d, T> {
         self.pwm.borrow_mut().set_duty(ch, dc);
     }
 
-    pub fn disable(&self, ch: Channel) {
+    // pub fn disable(&self, ch: Channel) {
-        self.pwm.borrow_mut().disable(ch);
+    //     self.pwm.borrow_mut().disable(ch);
-    }
+    // }
 }
 
-// pub struct SimplePwmHandle<T: GeneralInstance16Bit> {
-//     core: &'static SimplePwmCore<'_, T: GeneralInstance16Bit>,
-//     channel: Channel,
-// }
 
-// impl<T: GeneralInstance16Bit> SimplePwmHandle<T> {
+
-//     pub fn set_amplitude(&self, amplitude: u8) {}
-// }
 
 pub struct CoreConfig {
     pub tick_rate_hz: usize,
 }
 impl CoreConfig {
     pub fn new(tick_rate_hz: usize) -> Self {
-        Self { tick_rate_hz }
+        Self {
+            tick_rate_hz,
+        }
     }
 }
 
@@ -73,20 +70,25 @@ pub struct InsertCoin<'a, T: GeneralInstance16bit> {
     pub led0: LedService,
     pub led1: LedService,
     // led2: LedService,
+
     pub dac: DacService<'a>,
 }
 
 impl<'a, T: GeneralInstance16bit> InsertCoin<'a, T> {
+
     pub fn new(config: CoreConfig, pwm_core: SimplePwmCore<'a, T>) -> Self {
+
+
         // LED0 servicer setup
         let led0 = LedService::new(ch32_hal::timer::Channel::Ch3);
 
         // LED1 servicer setup
         let led1 = LedService::new(ch32_hal::timer::Channel::Ch1);
 
+
         // DAC servicer setup
-        let dac_sample_rate_hz = 4000;
+        let dac_sample_rate_hz = 16000;
-        let dac_tick_per_service = config.tick_rate_hz / (dac_sample_rate_hz);
+        let dac_tick_per_service = config.tick_rate_hz/(dac_sample_rate_hz);
         let dac_service_data = TickServiceData::new(dac_tick_per_service);
         let dac = DacService::new(ch32_hal::timer::Channel::Ch4, dac_service_data);
 
@@ -103,28 +105,28 @@ impl<'a, T: GeneralInstance16bit> InsertCoin<'a, T> {
 
     /// takes self reference and runs
     pub fn service(&mut self) {
-        if self.is_active() {
+
+        if self.is_active() {   
             self.dac.tick();
+            
 
             if self.led0.need_service() {
-                self.pwm_core
+                self.pwm_core.write_amplitude(self.led0.channel, self.led0.amplitude);
-                    .write_amplitude(self.led0.channel, self.led0.amplitude);
                 self.led0.service();
             }
 
             if self.led1.need_service() {
-                self.pwm_core
+                self.pwm_core.write_amplitude(self.led1.channel, self.led1.amplitude);
-                    .write_amplitude(self.led1.channel, self.led1.amplitude);
                 self.led1.service();
             }
 
             if self.dac.need_service() {
                 self.dac.service();
                 // TODO: adpcm-pwm-dac:e4c811653781e69e40b63fd27a8c1e20
-                self.pwm_core
+                self.pwm_core.write_amplitude(self.dac.channel, self.dac.get_amplitude() as u8);
-                    .write_amplitude(self.dac.channel, self.dac.get_amplitude() as u8);
             }
         }
+
     }
 
     // /// consumes self and runs
@@ -132,6 +134,7 @@ impl<'a, T: GeneralInstance16bit> InsertCoin<'a, T> {
     //     let mut delay = Delay;
     //     let tick_interval_us = 1000000/self.config.tick_rate_hz;
 
+        
     //     let mut led0_index = 0;
     //     let led0_dcs = [0u8, 25u8, 50u8, 75u8, 100u8, 75u8, 50u8, 25u8];
 
@@ -140,11 +143,12 @@ impl<'a, T: GeneralInstance16bit> InsertCoin<'a, T> {
 
     //     loop {
     //         self.dac.tick();
+            
 
     //         if(self.led0.need_service()) {
     //             self.led0.set_amplitude(led0_dcs[led0_index]);
     //             self.pwm_core.write_amplitude(self.led0.channel, self.led0.amplitude);
-
+            
     //             led0_index += 1;
     //             if led0_index > led0_dcs.len() - 1 {
     //                 led0_index = 0;
@@ -155,7 +159,7 @@ impl<'a, T: GeneralInstance16bit> InsertCoin<'a, T> {
     //         if(self.led1.need_service()) {
     //             self.led1.set_amplitude(led1_dcs[led1_index]);
     //             self.pwm_core.write_amplitude(self.led1.channel, self.led1.amplitude);
-
+            
     //             led1_index += 1;
     //             if led1_index > led1_dcs.len() - 1 {
     //                 led1_index = 0;
@@ -174,10 +178,10 @@ impl<'a, T: GeneralInstance16bit> InsertCoin<'a, T> {
     // }
 
     pub fn is_active(&self) -> bool {
-        self.core.active
+        self.core.active    
     }
 
     pub fn set_active(&mut self, active: bool) {
         self.core.active = active;
     }
-}
+}

ch32v-insert-coin/src/insert_coin/mod.rs

@@ -1,7 +1,7 @@
 mod insert_coin;
 mod services;
 
-pub use services::{DacService, LedService, Service, TickTimerService};
+pub use services::TickTimerService;
 
-pub use insert_coin::{CoreConfig, InsertCoin, SimplePwmCore};
 pub use services::{TickService, TickServiceData};
+pub use insert_coin::{InsertCoin, CoreConfig, SimplePwmCore};

ch32v-insert-coin/src/insert_coin/services/dac.rs

@@ -1,4 +1,5 @@
-use crate::insert_coin::services::{TickService, TickServiceData};
+use crate::insert_coin::services::{TickServiceData, TickService};
+
 
 use adpcm_pwm_dac::dac::DpcmDecoder;
 use ch32_hal::timer::Channel;
@@ -8,7 +9,6 @@ pub struct DacService<'a> {
     dpcm_decoder: core::cell::RefCell<DpcmDecoder<'a>>,
     amplitude: core::cell::RefCell<usize>,
     pub channel: Channel,
-    enabled: bool,
 }
 
 impl<'a> DacService<'a> {
@@ -18,19 +18,9 @@ impl<'a> DacService<'a> {
             dpcm_decoder: core::cell::RefCell::new(DpcmDecoder::new()),
             amplitude: core::cell::RefCell::new(0),
             channel,
-            enabled: false,
         }
     }
 
-    pub fn play_sample(&mut self) {
-        self.dpcm_decoder.borrow_mut().seek_to_sample(0);
-        self.enabled = true;
-    }
-
-    pub fn disable(&mut self) {
-        self.enabled = false;
-    }
-
     pub fn load_data(&self, data: &'a [u8]) {
         self.dpcm_decoder.borrow_mut().load_data(data);
         self.dpcm_decoder.borrow_mut().seek_to_sample(0);
@@ -46,23 +36,17 @@ impl<'a> DacService<'a> {
 
 impl<'a> TickService for DacService<'a> {
     fn tick(&self) {
-        if self.enabled {
+        let mut tc = self.service_data.borrow_mut();
-            let mut tc = self.service_data.borrow_mut();
+        tc.ticks_remaining = tc.ticks_remaining.saturating_sub(1);
-            tc.ticks_remaining = tc.ticks_remaining.saturating_sub(1);
-        }
     }
 
     fn need_service(&self) -> bool {
-        self.enabled && self.service_data.borrow().ticks_remaining == 0
+        self.service_data.borrow().ticks_remaining == 0
     }
 
     fn service(&self) {
         let mut tc = self.service_data.borrow_mut();
         tc.ticks_remaining = tc.ticks_per_service;
-        if (self.dpcm_decoder.borrow().is_done()) {
+        self.set_amplitude(self.dpcm_decoder.borrow_mut().output_next());
-            self.set_amplitude(0);
-        } else {
-            self.set_amplitude(self.dpcm_decoder.borrow_mut().output_next());
-        }
     }
 }

ch32v-insert-coin/src/insert_coin/services/led.rs

@@ -1,6 +1,6 @@
 use ch32_hal::timer::Channel;
 
-use crate::insert_coin::services::Service;
+use crate::insert_coin::services::{Service};
 
 pub struct LedService {
     // need_service: core::cell::RefCell<bool>,
@@ -25,7 +25,9 @@ impl LedService {
     }
 }
 
+
 impl Service for LedService {
+
     fn need_service(&self) -> bool {
         self.need_service
     }
@@ -34,3 +36,5 @@ impl Service for LedService {
         self.need_service = false;
     }
 }
+
+

ch32v-insert-coin/src/insert_coin/services/tick_timer.rs

@@ -1,4 +1,4 @@
-use crate::insert_coin::services::{TickService, TickServiceData};
+use crate::insert_coin::services::{TickServiceData, TickService};
 
 pub struct TickTimerService {
     service_data: core::cell::RefCell<TickServiceData>,
@@ -15,21 +15,22 @@ impl TickTimerService {
         }
     }
 
-    pub fn is_enabled(&self) -> bool {
+    // pub fn is_enabled(&self) -> bool {
-        self.enabled
+    //     self.enabled
-    }
+    // }
 
     pub fn reset(&mut self) {
         let mut sd = self.service_data.borrow_mut();
         sd.ticks_remaining = sd.ticks_per_service;
         self.enabled = false;
-    }
+    }   
 
     pub fn enable(&mut self, enable: bool) {
         self.enabled = enable;
     }
 }
 
+
 impl TickService for TickTimerService {
     fn tick(&self) {
         if self.enabled {
@@ -47,3 +48,5 @@ impl TickService for TickTimerService {
         tc.ticks_remaining = tc.ticks_per_service;
     }
 }
+
+

ch32v-insert-coin/src/sequences.rs

@@ -1,346 +0,0 @@
-use crate::app::sequencer::SequenceEntry;
-
-pub static TEST_SEQ: [SequenceEntry; 2] = [
-    SequenceEntry {
-        frequency_hz: 440,
-        duration_ms: 1000,
-    },
-    SequenceEntry {
-        frequency_hz: 220,
-        duration_ms: 1000,
-    },
-];
-
-pub static TEST_SEQ1: [SequenceEntry; 2] = [
-    SequenceEntry {
-        frequency_hz: 440,
-        duration_ms: 100,
-    },
-    SequenceEntry {
-        frequency_hz: 220,
-        duration_ms: 100,
-    },
-];
-
-// play twice
-pub static WAHWAH: [SequenceEntry; 9] = [
-    SequenceEntry {
-        frequency_hz: 100,
-        duration_ms: 25,
-    },
-    SequenceEntry {
-        frequency_hz: 200,
-        duration_ms: 25,
-    },
-    SequenceEntry {
-        frequency_hz: 300,
-        duration_ms: 25,
-    },
-    SequenceEntry {
-        frequency_hz: 400,
-        duration_ms: 25,
-    },
-    SequenceEntry {
-        frequency_hz: 500,
-        duration_ms: 25,
-    },
-    SequenceEntry {
-        frequency_hz: 600,
-        duration_ms: 25,
-    },
-    SequenceEntry {
-        frequency_hz: 700,
-        duration_ms: 25,
-    },
-    SequenceEntry {
-        frequency_hz: 800,
-        duration_ms: 25,
-    },
-    SequenceEntry {
-        frequency_hz: 900,
-        duration_ms: 25,
-    },
-];
-
-pub static DECENDING_TONES: [SequenceEntry; 21] = [
-    SequenceEntry {
-        frequency_hz: 1100,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 1050,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 1000,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 950,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 900,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 850,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 800,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 750,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 700,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 650,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 600,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 550,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 500,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 450,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 400,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 350,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 300,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 250,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 200,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 150,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 100,
-        duration_ms: 50,
-    },
-];
-
-// PLAY ONCE
-pub static COIN_CHIRP: [SequenceEntry; 2] = [
-    SequenceEntry {
-        frequency_hz: 1000,
-        duration_ms: 100,
-    },
-    SequenceEntry {
-        frequency_hz: 1500,
-        duration_ms: 500,
-    },
-];
-
-// PLAY ONCE
-pub static SOUND_8_BIT_GAME_4: [SequenceEntry; 4] = [
-    SequenceEntry {
-        frequency_hz: 220,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 440,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 660,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 880,
-        duration_ms: 50,
-    },
-];
-
-// PLAY TWICE
-// TODO: this isn't working quite right with the 0hz "non note" for a rest...
-pub static SOUND_8_BIT_GAME_1: [SequenceEntry; 3] = [
-    SequenceEntry {
-        frequency_hz: 440,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 1500,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 0,
-        duration_ms: 50,
-    },
-];
-
-// PLAY 3 TIMES
-pub static SOUND_8_BIT_GAME_3: [SequenceEntry; 3] = [
-    SequenceEntry {
-        frequency_hz: 440,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 660,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 1000,
-        duration_ms: 50,
-    },
-];
-
-// PLAY 1 TIMES
-pub static ASCENDING_TONES: [SequenceEntry; 29] = [
-    SequenceEntry {
-        frequency_hz: 100,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 150,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 200,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 250,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 300,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 350,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 400,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 450,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 500,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 550,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 600,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 650,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 700,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 750,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 800,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 850,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 900,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 950,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 1000,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 1050,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 1100,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 1150,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 1200,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 1250,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 1300,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 1350,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 1400,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 1450,
-        duration_ms: 50,
-    },
-    SequenceEntry {
-        frequency_hz: 1500,
-        duration_ms: 1000,
-    },
-];
-
-pub static SEQUENCE_LIST: [(&'static [SequenceEntry], usize); 7] = [
-    (&SOUND_8_BIT_GAME_3, 2),
-    (&SOUND_8_BIT_GAME_4, 0),
-    (&ASCENDING_TONES, 0),
-    (&COIN_CHIRP, 0),
-    (&WAHWAH, 5),
-    (&DECENDING_TONES, 0),
-    (&SOUND_8_BIT_GAME_1, 1),
-    // &TEST_SEQ,
-];

ch32v-insert-coin/src/synthesizer.rs

@@ -1,66 +0,0 @@
-use crate::insert_coin::SimplePwmCore;
-use ch32_hal::println;
-use ch32_hal::timer::GeneralInstance16bit;
-use wavetable_synth::{synthesizer::SimpleWavetableSynthesizer, wavetable::SimpleWavetable};
-
-const SQUARE_WAVETABLE: [u8; 2] = [0, 100];
-// const SQUARE_WAVETABLE: [u8; 32] = [
-//     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 100, 100, 100, 100, 100, 100, 100, 100, 100,
-//     100, 100, 100, 100, 100, 100, 100,
-// ];
-
-pub struct SynthesizerService {
-    pub synth: SimpleWavetableSynthesizer<SimpleWavetable<'static, u8>>,
-    pub enabled: bool,
-    pub need_service: bool,
-}
-
-impl SynthesizerService {
-    pub fn new(clock_freq_hz: usize) -> Self {
-        let square_wt = SimpleWavetable::new(&SQUARE_WAVETABLE);
-        let synth = SimpleWavetableSynthesizer::new(square_wt, clock_freq_hz);
-
-        Self {
-            synth,
-            enabled: true,
-            need_service: false,
-        }
-    }
-
-    pub fn tick(&mut self) {
-        if self.enabled {
-            self.synth.tick();
-        }
-    }
-
-    pub fn need_service(&self) -> bool {
-        self.need_service || (self.enabled && self.synth.has_new_output())
-    }
-
-    pub fn service(&mut self) -> Option<u8> {
-        self.need_service = false;
-        if self.enabled {
-            Some(self.synth.get_output())
-        } else {
-            None
-        }
-    }
-}
-
-impl SynthesizerService {
-    pub fn set_freq(&mut self, freq_hz: usize) {
-        self.synth.set_freq(freq_hz);
-    }
-
-    pub fn enable(&mut self) {
-        self.enabled = true;
-        self.need_service = true;
-        // TODO: write the enable function
-    }
-
-    pub fn disable(&mut self) {
-        self.enabled = false;
-        self.need_service = true;
-        // TODO: write the disable function
-    }
-}

ch32v-insert-coin/src/system.rs

@@ -1,134 +0,0 @@
-use ch32_hal as hal;
-use hal::println;
-
-pub unsafe fn init_gpio_irq(pin: u8, port: u8, rising: bool, falling: bool) {
-    critical_section::with(|_| {
-        #[cfg(feature = "enable_print")]
-        println!("init_gpio_irq {pin}:{port}");
-        let exti = &hal::pac::EXTI;
-        let afio = &hal::pac::AFIO;
-
-        let port = port as u8;
-        let pin = pin as usize;
-
-        // let b = afio.exticr().read();
-        afio.exticr().modify(|w| w.set_exti(pin, port));
-
-        exti.intenr().modify(|w| w.set_mr(pin, true)); // enable interrupt
-        exti.rtenr().modify(|w| w.set_tr(pin, rising));
-        exti.ftenr().modify(|w| w.set_tr(pin, falling));
-    });
-}
-
-pub fn clear_interrupt(coin_pin: u8, button_pin: u8) -> [bool; 2] {
-    let mut output = [false, false];
-
-    let exti = &hal::pac::EXTI;
-
-    let coin_pin = coin_pin as usize;
-    let button_pin = button_pin as usize;
-
-    exti.intenr().modify(|w| w.set_mr(coin_pin, false)); // disable interrupt
-    exti.intenr().modify(|w| w.set_mr(button_pin, false)); // disable interrupt
-
-    let bits = exti.intfr().read();
-
-    // We don't handle or change any EXTI lines above 24.
-    let bits = bits.0 & 0x00FFFFFF;
-    #[cfg(feature = "enable_print")]
-    println!("bits: {bits:08x}");
-
-    // coin_flag
-    if (bits & (0x1 << coin_pin)) != 0x0 {
-        #[cfg(feature = "enable_print")]
-        println!("coin irq!");
-        output[0] = true;
-    }
-
-    // button_flag
-    if (bits & (0x1 << button_pin)) != 0x0 {
-        #[cfg(feature = "enable_print")]
-        println!("main_btn irq!");
-        output[1] = true;
-    }
-
-    // Clear pending - Clears the EXTI's line pending bits.
-    exti.intfr().write(|w| w.0 = bits);
-
-    use hal::pac::Interrupt;
-    unsafe {
-        qingke::pfic::unpend_interrupt(Interrupt::EXTI7_0 as u8);
-    };
-
-    // exti.intenr().modify(|w| w.0 = w.0 & !bits);
-    exti.intenr().modify(|w| w.set_mr(coin_pin, true)); // enable interrupt
-    exti.intenr().modify(|w| w.set_mr(button_pin, true)); // enable interrupt
-
-    output
-}
-
-/// enter standby (SLEEPDEEP) mode, with WFE enabled.
-/// from CH32V003 reference manual 2.3.1:
-/// entry:
-///     1. configure core register control bit: SLEEPDEEP=1 | PDDS = 1
-///     2. configure external interrupt register to mask all but EXTI7_0
-///     3. execute WFI or WFE (optionally SEVONPEND) and SLEEPONEXIT
-///         * (probably WFI?)
-/// exit:
-///     1. any interrupt/event (set in external interrupt register)
-pub unsafe fn enter_standby() {
-    critical_section::with(|_| {
-        use hal::pac::Interrupt;
-        use qingke_rt::CoreInterrupt;
-
-        // configure core register control bit (SLEEPDEEP=1 | PDDS=1)
-        let pfic = &hal::pac::PFIC;
-        pfic.sctlr().modify(|w| {
-            // we only want to wake on enabled interrupts
-            w.set_sevonpend(false);
-            // we want to enable deep sleep
-            w.set_sleepdeep(true);
-            w.set_wfitowfe(false);
-            w.set_sleeponexit(false);
-        });
-
-        // set PDDS=1:
-        // get current value of PWR_CTLR
-        let mut reg: u32 = 0x4000_7000;
-        let mut val: u32 = unsafe { (reg as *mut u32).read_volatile() };
-        // modify PDDS
-        val |= 1 << 1; // PWR_CTLR[1] -> PDDS
-        unsafe {
-            (reg as *mut u32).write_volatile(val);
-        }
-
-        // // disable all exti interrupts
-        let exti = &hal::pac::EXTI;
-        // exti.intenr().write(| w| {
-        //     w.0 = 0x00000000;
-        //     // w.set_mr(pin, true);
-        //     // w.set_mr(pin, true);
-        // });
-
-        // clear all pending exti interrupts
-        let bits = 0xFFFFFFFF;
-        exti.intfr().write(|w| w.0 = bits);
-
-        // enable all exti interrupts
-        let exti = &hal::pac::EXTI;
-        exti.intenr().write(|w| {
-            w.0 = 0x00FFFFFF;
-            // w.set_mr(pin, true);
-            // w.set_mr(pin, true);
-        });
-
-        unsafe {
-            qingke::pfic::disable_interrupt(CoreInterrupt::SysTick as u8);
-            qingke::pfic::enable_interrupt(Interrupt::EXTI7_0 as u8);
-        }
-
-        // execute WFI
-        #[cfg(feature = "enable_print")]
-        println!("WFI CONFIGURED HOPEFULLY");
-    });
-}

notes.md

@@ -48,50 +48,3 @@ it turns out you can not put the chip into deep sleep and have it wake up correc
 # EVAL BOARD NOTES
 ## PINOUT
 WCHLinkE SWDIO -> PD1
-
-
-
-# AUDIO NOTES
-## LIMITS
-we have ~9-10kB of space remaining on the chip.
-i can likely squeeze out _maybe_ another kB by dropping every print, but
-that appears to cause some lockup, i think because the SDI peripheral is
-trying to attach, but unable to.
-
-for how things sit currently, we have the following (conservative) limits
-to fit within 9kB:
-
-16ksps, 4b depth -> 64kbps -> 1.125s
-8ksps, 4b depth -> 32kbps -> 2.25s
-6ksps, 4b depth -> 24kbps -> 3.0s
-4ksps, 4b depth -> 16kbps -> 4.5s
-
-in reality, the numbers i have seen are a little smaller than this, likely due
-to compiler optimizations when the dac is unloaded / there's no audio.
-
-a 16ksps file has an _experimental_ max of 0.75s. applying that offset
-everywhere, we get empirical limits of:
-
-16ksps, 4b depth: 0.75s
-8ksps, 4b depth: 1.875s
-6ksps, 4b depth: 2.625s
-4ksps, 4b depth: 4.225s
-
-## FFMPEG
-use the following command to convert an input .wav to a raw mono pcm_u8 with 8ksps:
-```shell
-ffmpeg -i input.wav -f u8 -c:a pcm_u8 -ar 8000 -ac 1 output.raw  
-```
-
-
-# PINOUTS
-LED0:          PC3
-LED1:          PD2
-DAC:           PC4
-COIN SWITCH:   PC2
-BUTTON SWITCH: PD6
-ADC:           PD4
-GPIO:          any remaining pin
-
-## FORBIDDEN:
-PD1