Remove timer field to mixer

agb/examples/mixer_basic.rs

@@ -14,8 +14,7 @@ fn main(mut gba: Gba) -> ! {
     let mut input = ButtonController::new();
     let vblank_provider = agb::interrupt::VBlank::get();
 
-    let mut timers = gba.timers.timers();
-    let mut mixer = gba.mixer.mixer(&mut timers.timer0);
+    let mut mixer = gba.mixer.mixer();
     mixer.enable();
 
     let channel = SoundChannel::new(DEAD_CODE);

agb/examples/stereo_sound.rs

@@ -11,11 +11,11 @@ const LET_IT_IN: &[u8] = include_wav!("examples/JoshWoodward-LetItIn.wav");
 fn main(mut gba: Gba) -> ! {
     let vblank_provider = agb::interrupt::VBlank::get();
 
-    let mut timer_controller = gba.timers.timers();
-    let mut timer = timer_controller.timer1;
+    let timer_controller = gba.timers.timers();
+    let mut timer = timer_controller.timer2;
     timer.set_enabled(true);
 
-    let mut mixer = gba.mixer.mixer(&mut timer_controller.timer0);
+    let mut mixer = gba.mixer.mixer();
     mixer.enable();
 
     let mut channel = SoundChannel::new(LET_IT_IN);

agb/src/sound/mixer/mod.rs

@@ -5,7 +5,6 @@ pub use sw_mixer::ChannelId;
 pub use sw_mixer::Mixer;
 
 use crate::fixnum::Num;
-use crate::timer::Timer;
 
 #[non_exhaustive]
 pub struct MixerController {}
@@ -15,8 +14,8 @@ impl MixerController {
         MixerController {}
     }
 
-    pub fn mixer<'a>(&mut self, timer: &'a mut Timer) -> Mixer<'a> {
-        Mixer::new(timer)
+    pub fn mixer(&mut self) -> Mixer {
+        Mixer::new()
     }
 }
 

agb/src/sound/mixer/sw_mixer.rs

@@ -19,29 +19,29 @@ extern "C" {
     fn agb_rs__mixer_collapse(sound_buffer: *mut i8, input_buffer: *const Num<i16, 4>);
 }
 
-pub struct Mixer<'a> {
+pub struct Mixer {
     buffer: MixerBuffer,
     channels: [Option<SoundChannel>; 8],
     indices: [i32; 8],
 
-    timer: &'a mut Timer,
+    timer: Timer,
 }
 
 pub struct ChannelId(usize, i32);
 
-impl<'a> Mixer<'a> {
-    pub(super) fn new(timer: &'a mut Timer) -> Self {
+impl Mixer {
+    pub(super) fn new() -> Self {
         Mixer {
             buffer: MixerBuffer::new(),
             channels: Default::default(),
             indices: Default::default(),
 
-            timer,
+            timer: unsafe { Timer::new(0) },
         }
     }
 
     pub fn enable(&mut self) {
-        hw::set_timer_counter_for_frequency_and_enable(self.timer, SOUND_FREQUENCY);
+        hw::set_timer_counter_for_frequency_and_enable(&mut self.timer, SOUND_FREQUENCY);
         hw::set_sound_control_register_for_mixer();
     }
 

agb/src/timer.rs

@@ -40,8 +40,6 @@ pub struct Timer {
 
 #[non_exhaustive]
 pub struct Timers {
-    pub timer0: Timer,
-    pub timer1: Timer,
     pub timer2: Timer,
     pub timer3: Timer,
 }
@@ -49,8 +47,6 @@ pub struct Timers {
 impl Timers {
     pub(crate) unsafe fn new() -> Self {
         Self {
-            timer0: Timer::new(0),
-            timer1: Timer::new(1),
             timer2: Timer::new(2),
             timer3: Timer::new(3),
         }
@@ -58,7 +54,7 @@ impl Timers {
 }
 
 impl Timer {
-    unsafe fn new(timer_number: u16) -> Self {
+    pub(crate) unsafe fn new(timer_number: u16) -> Self {
         let new_timer = Self { timer_number };
         new_timer.data_register().set(0);
         new_timer.control_register().set(0);

examples/the-hat-chooses-the-wizard/src/main.rs

@@ -809,8 +809,7 @@ fn main(mut agb: agb::Gba) -> ! {
         vram.set_background_palettes(tile_sheet::background.palettes);
 
         let object = agb.display.object.get();
-        let mut timer_controller = agb.timers.timers();
-        let mut mixer = agb.mixer.mixer(&mut timer_controller.timer0);
+        let mut mixer = agb.mixer.mixer();
 
         mixer.enable();
         let mut music_box = sfx::MusicBox::new();

examples/the-hat-chooses-the-wizard/src/sfx.rs

@@ -60,13 +60,13 @@ impl MusicBox {
     }
 }
 
-pub struct SfxPlayer<'a, 'b> {
-    mixer: &'a mut Mixer<'b>,
+pub struct SfxPlayer<'a> {
+    mixer: &'a mut Mixer,
     frame: i32,
 }
 
-impl<'a, 'b> SfxPlayer<'a, 'b> {
-    pub fn new(mixer: &'a mut Mixer<'b>, music_box: &MusicBox) -> Self {
+impl<'a> SfxPlayer<'a> {
+    pub fn new(mixer: &'a mut Mixer, music_box: &MusicBox) -> Self {
         SfxPlayer {
             mixer,
             frame: music_box.frame,

examples/the-purple-night/src/main.rs

@@ -2205,8 +2205,7 @@ fn game_with_level(gba: &mut agb::Gba) {
     let vblank = agb::interrupt::VBlank::get();
     vblank.wait_for_vblank();
 
-    let mut timers = gba.timers.timers();
-    let mut mixer = gba.mixer.mixer(&mut timers.timer0);
+    let mut mixer = gba.mixer.mixer();
     mixer.enable();
 
     let mut sfx = sfx::Sfx::new(&mut mixer);

examples/the-purple-night/src/sfx.rs

@@ -27,11 +27,11 @@ const BLUE_SPIRIT: &[u8] = agb::include_wav!("sfx/03 - Blue Spirit (Main Loop).w
 
 pub struct Sfx<'a> {
     bgm: Option<ChannelId>,
-    mixer: &'a mut Mixer<'a>,
+    mixer: &'a mut Mixer,
 }
 
 impl<'a> Sfx<'a> {
-    pub fn new(mixer: &'a mut Mixer<'a>) -> Self {
+    pub fn new(mixer: &'a mut Mixer) -> Self {
         Self { mixer, bgm: None }
     }