Implement a basic ADM1032

src/core/vixen/hw/sm/adm1032.cpp

@@ -0,0 +1,57 @@
+// (C) Ivan "StrikerX3" Oliveira
+//
+// Datasheet: https://www.onsemi.com/pub/Collateral/ADM1032-D.PDF
+#include "adm1032.h"
+
+namespace vixen {
+
+ADM1032Device::~ADM1032Device() {
+}
+
+void ADM1032Device::Init() {
+}
+
+void ADM1032Device::Reset() {
+}
+
+void ADM1032Device::QuickCommand(bool read) {
+}
+
+uint8_t ADM1032Device::ReceiveByte() {
+    return 0;
+}
+
+uint8_t ADM1032Device::ReadByte(uint8_t command) {
+    switch (command) {
+    case ADM1032RegLocalTemp:
+        return 40;
+    case ADM1032RegExtTempHigh:
+        return 30;
+    case ADM1032RegExtTempLow:
+        return 0;
+    default:
+        return 0;
+    }
+}
+
+uint16_t ADM1032Device::ReadWord(uint8_t command) {
+    return ReadByte(command);
+}
+
+int ADM1032Device::ReadBlock(uint8_t command, uint8_t *data) {
+    return 0;
+}
+
+void ADM1032Device::SendByte(uint8_t data) {
+}
+
+void ADM1032Device::WriteByte(uint8_t command, uint8_t value) {
+}
+
+void ADM1032Device::WriteWord(uint8_t command, uint16_t value) {
+}
+
+void ADM1032Device::WriteBlock(uint8_t command, uint8_t* data, int length) {
+}
+
+}

src/core/vixen/hw/sm/adm1032.h

@@ -0,0 +1,37 @@
+// ADM1032 emulation
+// (C) Ivan "StrikerX3" Oliveira
+//
+// Datasheet: https://www.onsemi.com/pub/Collateral/ADM1032-D.PDF
+#pragma once
+
+#include "sm.h"
+
+namespace vixen {
+
+enum ADM1032Register {
+    ADM1032RegLocalTemp = 0x00,    // (Read-only) Local Temperature Value
+    ADM1032RegExtTempHigh = 0x01,  // (Read-only) External Temperature Value high byte
+    ADM1032RegExtTempLow = 0x10,   // (Read-only) External Temperature Value low byte  (only 3 most significant bits used, 0.125 C increments)
+};
+
+class ADM1032Device : public SMDevice {
+public:
+    virtual ~ADM1032Device();
+
+    // SMDevice functions
+    void Init();
+    void Reset();
+
+    void QuickCommand(bool read);
+    uint8_t ReceiveByte();
+    uint8_t ReadByte(uint8_t command);
+    uint16_t ReadWord(uint8_t command);
+    int ReadBlock(uint8_t command, uint8_t *data);
+
+    void SendByte(uint8_t data);
+    void WriteByte(uint8_t command, uint8_t value);
+    void WriteWord(uint8_t command, uint16_t value);
+    void WriteBlock(uint8_t command, uint8_t* data, int length);
+};
+
+}

src/core/vixen/xbox.cpp

@@ -102,6 +102,7 @@ Xbox::~Xbox() {
     if (m_SMC != nullptr) delete m_SMC;
     if (m_EEPROM != nullptr) delete m_EEPROM;
     if (m_TVEncoder != nullptr) delete m_TVEncoder;
+    if (m_ADM1032 != nullptr) delete m_ADM1032;
     
     if (m_SMBus != nullptr) delete m_SMBus;
     
@@ -453,6 +454,7 @@ EmulatorStatus Xbox::InitHardware() {
 
     m_SMC = new SMCDevice(smcRevision);
     m_EEPROM = new EEPROMDevice();
+    m_ADM1032 = new ADM1032Device();
     m_HostBridge = new HostBridgeDevice();
     m_MCPXRAM = new MCPXRAMDevice(mcpxRevision);
     m_LPC = new LPCDevice(m_IRQs, m_rom, m_bios, m_biosSize, m_mcpxROM, m_settings.hw_revision != DebugKit);
@@ -480,10 +482,10 @@ EmulatorStatus Xbox::InitHardware() {
 
     m_SMBus->ConnectDevice(kSMBusAddress_SystemMicroController, m_SMC); // W 0x20 R 0x21
     m_SMBus->ConnectDevice(kSMBusAddress_EEPROM, m_EEPROM); // W 0xA8 R 0xA9
+    m_SMBus->ConnectDevice(kSMBusAddress_TemperatureMeasurement, m_ADM1032); // W 0x98 R 0x99
 
     // TODO: Other SMBus devices to connect
     //m_SMBus->ConnectDevice(kSMBusAddress_MCPX, m_MCPX); // W 0x10 R 0x11 -- TODO : Is MCPX an SMBus and/or PCI device?
-    //m_SMBus->ConnectDevice(kSMBusAddress_TemperatureMeasurement, m_TemperatureMeasurement); // W 0x98 R 0x99
     //m_SMBus->ConnectDevice(kSMBusAddress_TVEncoder, m_TVEncoder); // W 0x88 R 0x89
     switch (tvEncoder) {
     case TVEncoder::Conexant:

src/core/vixen/xbox.h

@@ -36,6 +36,7 @@
 #include "vixen/hw/sm/smc.h"
 #include "vixen/hw/sm/eeprom.h"
 #include "vixen/hw/sm/tvenc.h"
+#include "vixen/hw/sm/adm1032.h"
 
 #include "vixen/hw/pci/hostbridge.h"
 #include "vixen/hw/pci/mcpx_ram.h"
@@ -130,6 +131,7 @@ protected:
     SMCDevice        *m_SMC;
     EEPROMDevice     *m_EEPROM;
     TVEncoderDevice  *m_TVEncoder;
+    ADM1032Device    *m_ADM1032;
 
     PCIBus           *m_PCIBus;
     HostBridgeDevice *m_HostBridge;