DSP Services
DSP service "dsp::DSP"
| Command Header | Description |
|---|---|
| 0x00010040 | RecvData |
| 0x00020040 | RecvDataIsReady |
| 0x00030080 | SendData |
| 0x00040040 | SendDataIsEmpty |
| 0x000500C2 | SendFifoEx(unsigned short, unsigned short const*, unsigned int, unsigned int) |
| 0x000600C0 | RecvFifoEx(unsigned short *, unsigned short, unsigned int, unsigned int) |
| 0x00070040 | SetSemaphore |
| 0x00080000 | GetSemaphore |
| 0x00090040 | ClearSemaphore |
| 0x000A0040 | MaskSemaphore |
| 0x000B0000 | CheckSemaphoreRequest |
| 0x000C0040 | ConvertProcessAddressFromDspDram |
| 0x000D0082 | WriteProcessPipe |
| 0x000E00C0 | ReadPipe |
| 0x000F0080 | GetPipeReadableSize |
| 0x001000C0 | ReadPipeIfPossible |
| 0x001100C2 | LoadComponent |
| 0x00120000 | UnloadComponent |
| 0x00130082 | FlushDataCache |
| 0x00140082 | InvalidateDCache |
| 0x00150082 | RegisterInterruptEvents |
| 0x00160000 | GetSemaphoreEventHandle |
| 0x00170040 | SetSemaphoreMask |
| 0x00180040 | GetPhysicalAddress |
| 0x00190040 | GetVirtualAddress |
| 0x001A0042 | SetIirFilterI2S1. Wrapper for cdc:DSP cmd 1 |
| 0x001B0042 | SetIirFilterI2S2. Wrapper for cdc:DSP cmd 2 |
| 0x001C0082 | SetIirFilterEQ. Wrapper for cdc:DSP cmd 3 |
| 0x001D00C0 | ReadMultiEx_SPI2(unsigned char, unsigned char, unsigned char *, unsigned char) (Wrapper for cdc:DSP cmd 4) |
| 0x001E00C2 | WriteMultiEx_SPI2(unsigned char, unsigned char, unsigned char const*, unsigned char) (Wrapper for cdc:DSP cmd 5) |
| 0x001F0000 | GetHeadphoneStatus |
| 0x00200040 | ForceHeadphoneOut |
| 0x00210000 | GetIsDspOccupied |
This is the main service for playing audio. The CSND service can be used for playing audio as well, however most processes use this DSP service for playing audio. The DSP and CSND hardware can play audio simultaneously.