Panda3DS/src/core/services/mic.cpp
2023-08-14 19:02:33 +03:00

126 lines
No EOL
4.2 KiB
C++

#include "services/mic.hpp"
#include "ipc.hpp"
namespace MICCommands {
enum : u32 {
MapSharedMem = 0x00010042,
StartSampling = 0x00030140,
StopSampling = 0x00050000,
SetGain = 0x00080040,
GetGain = 0x00090000,
SetPower = 0x000A0040,
SetIirFilter = 0x000C0042,
SetClamp = 0x000D0040,
CaptainToadFunction = 0x00100040,
};
}
void MICService::reset() {
micEnabled = false;
shouldClamp = false;
isSampling = false;
gain = 0;
}
void MICService::handleSyncRequest(u32 messagePointer) {
const u32 command = mem.read32(messagePointer);
switch (command) {
case MICCommands::GetGain: getGain(messagePointer); break;
case MICCommands::MapSharedMem: mapSharedMem(messagePointer); break;
case MICCommands::SetClamp: setClamp(messagePointer); break;
case MICCommands::SetGain: setGain(messagePointer); break;
case MICCommands::SetIirFilter: setIirFilter(messagePointer); break;
case MICCommands::SetPower: setPower(messagePointer); break;
case MICCommands::StartSampling: startSampling(messagePointer); break;
case MICCommands::StopSampling: stopSampling(messagePointer); break;
case MICCommands::CaptainToadFunction: theCaptainToadFunction(messagePointer); break;
default: Helpers::panic("MIC service requested. Command: %08X\n", command);
}
}
void MICService::mapSharedMem(u32 messagePointer) {
u32 size = mem.read32(messagePointer + 4);
u32 handle = mem.read32(messagePointer + 12);
log("MIC::MapSharedMem (size = %08X, handle = %X) (stubbed)\n", size, handle);
mem.write32(messagePointer, IPC::responseHeader(0x1, 1, 0));
mem.write32(messagePointer + 4, Result::Success);
}
void MICService::getGain(u32 messagePointer) {
log("MIC::GetGain\n");
mem.write32(messagePointer, IPC::responseHeader(0x9, 2, 0));
mem.write32(messagePointer + 4, Result::Success);
mem.write8(messagePointer + 8, gain);
}
void MICService::setGain(u32 messagePointer) {
gain = mem.read8(messagePointer + 4);
log("MIC::SetGain (value = %d)\n", gain);
mem.write32(messagePointer, IPC::responseHeader(0x8, 1, 0));
mem.write32(messagePointer + 4, Result::Success);
}
void MICService::setPower(u32 messagePointer) {
u8 val = mem.read8(messagePointer + 4);
log("MIC::SetPower (value = %d)\n", val);
micEnabled = val != 0;
mem.write32(messagePointer, IPC::responseHeader(0xA, 1, 0));
mem.write32(messagePointer + 4, Result::Success);
}
void MICService::setClamp(u32 messagePointer) {
u8 val = mem.read8(messagePointer + 4);
log("MIC::SetClamp (value = %d)\n", val);
shouldClamp = val != 0;
mem.write32(messagePointer, IPC::responseHeader(0xD, 1, 0));
mem.write32(messagePointer + 4, Result::Success);
}
void MICService::startSampling(u32 messagePointer) {
u8 encoding = mem.read8(messagePointer + 4);
u8 sampleRate = mem.read8(messagePointer + 8);
u32 offset = mem.read32(messagePointer + 12);
u32 dataSize = mem.read32(messagePointer + 16);
bool loop = mem.read8(messagePointer + 20);
log("MIC::StartSampling (encoding = %d, sample rate = %d, offset = %08X, size = %08X, loop: %s) (stubbed)\n",
encoding, sampleRate, offset, dataSize, loop ? "yes" : "no"
);
isSampling = true;
mem.write32(messagePointer, IPC::responseHeader(0x3, 1, 0));
mem.write32(messagePointer + 4, Result::Success);
}
void MICService::stopSampling(u32 messagePointer) {
log("MIC::StopSampling\n");
isSampling = false;
mem.write32(messagePointer, IPC::responseHeader(0x5, 1, 0));
mem.write32(messagePointer + 4, Result::Success);
}
void MICService::setIirFilter(u32 messagePointer) {
const u32 size = mem.read32(messagePointer + 4);
const u32 pointer = mem.read32(messagePointer + 12);
log("MIC::SetIirFilter (size = %X, pointer = %08X) (Stubbed)\n", size, pointer);
mem.write32(messagePointer, IPC::responseHeader(0x0C, 1, 2));
mem.write32(messagePointer + 4, Result::Success);
}
// Found in Captain Toad: Treasure Tracker
// This is what 3DBrew says:
// When the input value is 0, value 1 is written to an u8 MIC module state field.
// Otherwise, value 0 is written there.Normally the input value is non - zero.
// Citra calls it setClientVersion but no idea how they got that
void MICService::theCaptainToadFunction(u32 messagePointer) {
log("MIC: Unknown function 0x00100040\n");
mem.write32(messagePointer, IPC::responseHeader(0x10, 1, 0));
mem.write32(messagePointer + 4, Result::Success);
}