mt32 sysex lcd message

Raffaello · Oct 16, 2023 · 2f7d639 · 2f7d639
1 parent b4321de
commit 2f7d639
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Showing 5 changed files with 49 additions and 65 deletions.
diff --git a/sdl2-hyper-sonic-drivers/examples/mt32-example.cpp b/sdl2-hyper-sonic-drivers/examples/mt32-example.cpp
@@ -10,12 +10,15 @@
 #include <fmt/color.h>
 #include <map>
 
+#include <HyperSonicDrivers/utils/ILogger.hpp>
+
 using namespace HyperSonicDrivers;
 
 int main(int argc, char* argv[])
 {
     using audio::mixer::eChannelGroup;
 
+    utils::ILogger::instance->setLevelAll(utils::ILogger::eLevel::Trace);
     spdlog::warn("MT32 requires 2 ROMs files not included in this example");
     spdlog::warn("the ROM filenames assumed to be fund in the current working directory are:");
     spdlog::warn("MT32_CONTROL.ROM  --- MT32_PCM.ROM");

diff --git a/sdl2-hyper-sonic-drivers/src/HyperSonicDrivers/devices/MT32.cpp b/sdl2-hyper-sonic-drivers/src/HyperSonicDrivers/devices/MT32.cpp
@@ -4,46 +4,6 @@
 
 namespace HyperSonicDrivers::devices
 {
-    // test
-    //static audio::midi::MIDIEvent MT32SysEx(uint32_t addr, const uint8_t* data, uint32_t dataSize)
-    //{
-    //    //typedef uint8_t byte;
-    //    //uint32_t dataSize = 0;
-    //    //uint8_t* data = nullptr;
-    //    //uint32_t addr = 0x1FC000;
-    //    static const uint8_t header[] = { 0x41, 0x10, 0x16, 0x12 };
-
-    //    uint8_t* msg = new uint8_t[sizeof(header) + 4 + dataSize];
-    //    memcpy(msg, header, sizeof(header));
-    //    uint8_t* dst = msg + sizeof(header);
-    //    const uint8_t* src = dst;
-
-    //    *dst++ = (addr >> 14) & 0x7F;
-    //    *dst++ = (addr >> 7) & 0x7F;
-    //    *dst++ = addr & 0x7F;
-
-    //    while (dataSize) {
-    //        *dst++ = *data++;
-    //        --dataSize;
-    //    }
-
-    //    uint8_t checkSum = 0;
-    //    while (src < dst)
-    //        checkSum -= *src++;
-
-    //    *dst++ = checkSum & 0x7F;
-
-    //    dataSize = dst - msg;
-    //    audio::midi::MIDIEvent e;
-    //    for (int i = 0; i < sizeof(header) + 4 + dataSize; i++)
-    //        e.data.push_back(msg[i]);
-
-    //    delete[] msg;
-
-    //    return e;
-    //}
-
-
     MT32::MT32(
         const std::shared_ptr<audio::IMixer>& mixer,
         const std::filesystem::path& control_rom_file,
@@ -52,31 +12,6 @@ namespace HyperSonicDrivers::devices
     {
         m_mt32 = std::make_shared<hardware::mt32::MT32>(control_rom_file, pcm_rom_file, mixer);
         m_hardware = m_mt32.get();
-
-        //m_mt32->start(nullptr);
-
-        // test
-
-        // reset MT32
-        //m_mt32->m_service.playSysex(MT32SysEx(0x1FC000, 0, 0));
-       // utils::delayMillis(250);
-
-        // Setup master tune, reverb mode, reverb time, reverb level, channel mapping, partial reserve and master volume
-        //static const uint8_t initSysex1[] = "\x40\x00\x04\x04\x04\x04\x04\x04\x04\x04\x04\x04\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x64";
-        //sendSysEx(MT32SysEx(0x40000, initSysex1, sizeof(initSysex1) - 1));
-        //utils::delayMillis(40);
-        // Map percussion to notes 24 - 34 without reverb. It still happens in the DOTT driver, but not in the SAMNMAX one.
-        //static const uint8_t initSysex2[] = "\x40\x64\x07\x00\x4a\x64\x06\x00\x41\x64\x07\x00\x4b\x64\x08\x00\x45\x64\x06\x00\x44\x64"
-        //    "\x0b\x00\x51\x64\x05\x00\x43\x64\x08\x00\x50\x64\x07\x00\x42\x64\x03\x00\x4c\x64\x07\x00";
-        //sendSysEx(MT32SysEx(0xC090, initSysex2, sizeof(initSysex2) - 1));
-        //utils::delayMillis(40);
-
-
-        //const uint8_t pbRange = 0x10;
-        //for (int i = 0; i < 128; ++i) {
-        //    //sendSysEx(MT32SysEx(0x014004 + (i << 3), &pbRange, 1));
-        //    utils::delayMillis(5);
-        //}
     }
 
     bool MT32::init() noexcept
@@ -96,4 +31,9 @@ namespace HyperSonicDrivers::devices
         m_mt32->stop();
         return false;
     }
+
+    void MT32::lcd_message(const std::string& msg) noexcept
+    {
+        m_mt32->sysEx(hardware::mt32::mt32_LCD_addr, reinterpret_cast<const uint8_t*>(msg.c_str()), msg.size());
+    }
 }
diff --git a/sdl2-hyper-sonic-drivers/src/HyperSonicDrivers/devices/MT32.hpp b/sdl2-hyper-sonic-drivers/src/HyperSonicDrivers/devices/MT32.hpp
@@ -3,6 +3,7 @@
 #include <cstdint>
 #include <memory>
 #include <filesystem>
+#include <string>
 #include <HyperSonicDrivers/audio/IMixer.hpp>
 #include <HyperSonicDrivers/audio/midi/MIDIEvent.hpp>
 #include <HyperSonicDrivers/devices/IDevice.hpp>
@@ -24,6 +25,8 @@ namespace HyperSonicDrivers::devices
         bool shutdown() noexcept override;
 
         inline std::shared_ptr<hardware::mt32::MT32> getMt32() const noexcept { return m_mt32; };
+
+        void lcd_message(const std::string& msg) noexcept;
     private:
         std::shared_ptr<hardware::mt32::MT32> m_mt32;
     };

diff --git a/sdl2-hyper-sonic-drivers/src/HyperSonicDrivers/hardware/mt32/MT32.cpp b/sdl2-hyper-sonic-drivers/src/HyperSonicDrivers/hardware/mt32/MT32.cpp
@@ -1,4 +1,5 @@
 #include <format>
+#include <HyperSonicDrivers/audio/midi/types.hpp>
 #include <HyperSonicDrivers/audio/streams/EmulatedStream.hpp>
 #include <HyperSonicDrivers/files/File.hpp>
 #include <HyperSonicDrivers/hardware/mt32/MT32.hpp>
@@ -85,6 +86,38 @@ namespace HyperSonicDrivers::hardware::mt32
         IHardware::start(callback, group, volume, pan, timerFrequency);
     }
 
+    void MT32::sysEx(const uint32_t addr, const uint8_t* data, uint32_t dataSize)
+    {
+        static const uint8_t header[] = {
+            static_cast<uint8_t>(audio::midi::MIDI_META_EVENT_VAL::SYS_EX0),
+            0x41, 0x10, 0x16, 0x12
+        };
+
+        uint8_t* msg = new uint8_t[sizeof(header) + 4 + dataSize + 1];
+        memcpy(msg, header, sizeof(header));
+        uint8_t* dst = msg + sizeof(header);
+        const uint8_t* src = dst;
+
+        *dst++ = (addr >> 14) & 0x7F;
+        *dst++ = (addr >> 7) & 0x7F;
+        *dst++ = addr & 0x7F;
+
+        while (dataSize) {
+            *dst++ = *data++;
+            --dataSize;
+        }
+
+        uint8_t checkSum = 0;
+        while (src < dst)
+            checkSum -= *src++;
+
+        *dst++ = checkSum & 0x7F;
+        *dst++ = static_cast<uint8_t>(audio::midi::MIDI_META_EVENT_VAL::SYS_EX7);
+
+        dataSize = dst - msg;
+        m_service.playSysex(msg, dataSize);
+    }
+
     void MT32::startCallbacks(
         const audio::mixer::eChannelGroup group,
         const uint8_t volume,

diff --git a/sdl2-hyper-sonic-drivers/src/HyperSonicDrivers/hardware/mt32/MT32.hpp b/sdl2-hyper-sonic-drivers/src/HyperSonicDrivers/hardware/mt32/MT32.hpp
@@ -26,6 +26,8 @@ namespace HyperSonicDrivers::hardware::mt32
     constexpr int mt32_frequency_internal = 32000; // 32 KHz
     constexpr int mt32_frequency = 250;
 
+    constexpr uint32_t mt32_LCD_addr = 0x80000;
+
     class MT32 : public IHardware
     {
     public:
@@ -46,6 +48,9 @@ namespace HyperSonicDrivers::hardware::mt32
             const int timerFrequency = mt32_frequency) override;
 
         inline MT32Emu::Service& getService() noexcept { return m_service; };
+
+        void sysEx(const uint32_t addr, const uint8_t* data, const uint32_t dataSize);
+
     protected:
         void startCallbacks(
             const audio::mixer::eChannelGroup group,