WiimoteEmu: Allow writes of the i2c bus to play speaker data.

Source/Core/Core/HW/WiimoteEmu/EmuSubroutines.cpp

@@ -389,10 +389,9 @@ void Wiimote::HandleSpeakerData(const WiimoteCommon::OutputReportSpeakerData& rp
     }
     else
     {
-      // Speaker Pan
-      const auto pan = m_speaker_pan_setting.GetValue() / 100;
-
-      m_speaker_logic.SpeakerData(rpt.data, rpt.length, pan);
+      // Speaker data reports result in a write to the speaker hardware at offset 0x00.
+      m_i2c_bus.BusWrite(SpeakerLogic::I2C_ADDR, SpeakerLogic::SPEAKER_DATA_OFFSET, rpt.length,
+                         rpt.data);
     }
   }
 

Source/Core/Core/HW/WiimoteEmu/Speaker.cpp

@@ -197,7 +197,7 @@ int SpeakerLogic::BusWrite(u8 slave_addr, u8 addr, int count, const u8* data_in)
 
   if (0x00 == addr)
   {
-    ERROR_LOG(WIIMOTE, "Writing of speaker data to address 0x00 is unimplemented!");
+    SpeakerData(data_in, count, m_speaker_pan_setting.GetValue() / 100);
     return count;
   }
   else

Source/Core/Core/HW/WiimoteEmu/Speaker.h

@@ -7,6 +7,7 @@
 #include "Common/ChunkFile.h"
 #include "Common/CommonTypes.h"
 #include "Core/HW/WiimoteEmu/I2CBus.h"
+#include "InputCommon/ControllerEmu/Setting/NumericSetting.h"
 
 namespace WiimoteEmu
 {
@@ -15,18 +16,24 @@ struct ADPCMState
   s32 predictor, step;
 };
 
+class Wiimote;
+
 class SpeakerLogic : public I2CSlave
 {
+  friend class Wiimote;
+
 public:
   static const u8 I2C_ADDR = 0x51;
 
+  static constexpr u8 SPEAKER_DATA_OFFSET = 0x00;
+
   void Reset();
   void DoState(PointerWrap& p);
 
+private:
   // Pan is -1.0 to +1.0
   void SpeakerData(const u8* data, int length, float speaker_pan);
 
-private:
   // TODO: enum class
   static const u8 DATA_FORMAT_ADPCM = 0x00;
   static const u8 DATA_FORMAT_PCM = 0x40;
@@ -63,6 +70,8 @@ private:
   // TODO: What actions reset this state?
   // Is this actually in the register somewhere?
   ADPCMState adpcm_state;
+
+  ControllerEmu::SettingValue<double> m_speaker_pan_setting;
 };
 
 }  // namespace WiimoteEmu

Source/Core/Core/HW/WiimoteEmu/WiimoteEmu.cpp

@@ -246,7 +246,7 @@ Wiimote::Wiimote(const unsigned int index) : m_index(index)
   // Options
   groups.emplace_back(m_options = new ControllerEmu::ControlGroup(_trans("Options")));
 
-  m_options->AddSetting(&m_speaker_pan_setting,
+  m_options->AddSetting(&m_speaker_logic.m_speaker_pan_setting,
                         {_trans("Speaker Pan"),
                          // i18n: The percent symbol.
                          _trans("%")},

Source/Core/Core/HW/WiimoteEmu/WiimoteEmu.h

@@ -263,7 +263,6 @@ private:
   ControllerEmu::SettingValue<bool> m_sideways_setting;
   ControllerEmu::SettingValue<bool> m_upright_setting;
   ControllerEmu::SettingValue<double> m_battery_setting;
-  ControllerEmu::SettingValue<double> m_speaker_pan_setting;
   ControllerEmu::SettingValue<bool> m_motion_plus_setting;
 
   SpeakerLogic m_speaker_logic;

Source/Core/InputCommon/ControllerEmu/ControlGroup/ControlGroup.h

@@ -75,11 +75,11 @@ public:
 
   template <typename T>
   void AddSetting(SettingValue<T>* value, const NumericSettingDetails& details,
-                  std::common_type_t<T> default_value, std::common_type_t<T> min_value = {},
+                  std::common_type_t<T> default_value_, std::common_type_t<T> min_value = {},
                   std::common_type_t<T> max_value = T(100))
   {
     numeric_settings.emplace_back(
-        std::make_unique<NumericSetting<T>>(value, details, default_value, min_value, max_value));
+        std::make_unique<NumericSetting<T>>(value, details, default_value_, min_value, max_value));
   }
 
   void AddDeadzoneSetting(SettingValue<double>* value, double maximum_deadzone);