chore(apu): change access modifiers of some methods

src/apu.rs

@@ -17,7 +17,7 @@ const CHANNEL_COUNT: usize = 2;
 const SAMPLE_INCREMENT: u64 = SAMPLE_RATE as u64;
 
 #[derive(Default, Debug, Clone)]
-pub(crate) struct Apu {
+pub struct Apu {
     pub(crate) ctrl: SoundControl,
     /// Tone & Sweep
     pub(crate) ch1: Channel1,
@@ -102,7 +102,7 @@ impl Apu {
         }
     }
 
-    pub(crate) fn set_audio_src(&mut self, sender: AudioSender<f32>) {
+    pub fn set_audio_sender(&mut self, sender: AudioSender<f32>) {
         self.sender = Some(sender);
     }
 

src/bus.rs

@@ -1,4 +1,3 @@
-use crate::apu::gen::AudioSender;
 use crate::apu::Apu;
 use crate::cartridge::Cartridge;
 use crate::high_ram::HighRam;
@@ -16,12 +15,12 @@ const BOOT_ROM_SIZE: usize = 0x100;
 pub struct Bus {
     boot: Option<[u8; BOOT_ROM_SIZE]>, // Boot ROM is 256b long
     cartridge: Option<Cartridge>,
-    pub ppu: Ppu,
+    pub(crate) ppu: Ppu,
     work_ram: WorkRam,
     var_ram: VariableWorkRam,
     pub(crate) timer: Timer,
     int: Interrupt,
-    apu: Apu,
+    pub(crate) apu: Apu,
     high_ram: HighRam,
     serial: Serial,
     pub(crate) joypad: Joypad,
@@ -75,10 +74,6 @@ impl Bus {
         &mut self.apu
     }
 
-    pub(crate) fn pass_audio_src(&mut self, sender: AudioSender<f32>) {
-        self.apu.set_audio_src(sender)
-    }
-
     pub(crate) fn clock(&mut self) {
         self.ppu.clock();
         self.timer.clock();

src/cpu.rs

@@ -1,4 +1,4 @@
-use crate::apu::gen::AudioSender;
+use crate::apu::Apu;
 use crate::bus::{Bus, BusIo};
 use crate::instruction::{Cycle, Instruction};
 use crate::interrupt::{InterruptEnable, InterruptFlag};
@@ -45,10 +45,6 @@ impl Cpu {
         })
     }
 
-    pub fn set_audio_src(&mut self, sender: AudioSender<f32>) {
-        self.bus.pass_audio_src(sender)
-    }
-
     pub(crate) fn ime(&self) -> ImeState {
         self.ime
     }
@@ -174,6 +170,10 @@ impl Cpu {
         &self.bus.ppu
     }
 
+    pub fn apu_mut(&mut self) -> &mut Apu {
+        &mut self.bus.apu
+    }
+
     pub(crate) fn joypad_mut(&mut self) -> &mut Joypad {
         &mut self.bus.joypad
     }

src/main.rs

@@ -3,7 +3,7 @@ use clap::{crate_authors, crate_description, crate_name, crate_version, App, Arg
 use gb::{AudioMPSC, Cycle, Egui, GB_HEIGHT, GB_WIDTH};
 use gilrs::Gilrs;
 use pixels::{Pixels, SurfaceTexture};
-use rodio::{OutputStream, Sink};
+use rodio::OutputStream;
 use std::time::Instant;
 use winit::dpi::LogicalSize;
 use winit::event::{Event, VirtualKeyCode};
@@ -67,7 +67,7 @@ fn main() -> Result<()> {
     };
 
     let (send, recv) = AudioMPSC::init();
-    game_boy.set_audio_src(send);
+    game_boy.apu_mut().set_audio_sender(send);
 
     // Initialize Audio
     let (_stream, stream_handle) = OutputStream::try_default().expect("Initialized Audio");