Difference between revisions of "DSP Services"
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| − | This is the main service for playing audio. The [[CSND_Services|CSND]] service can be used for playing audio as well, however most processes use this DSP service for playing audio. | + | This is the main service for playing audio. The [[CSND_Services|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. |
Revision as of 01:49, 4 September 2013
DSP service "dsp::DSP"
| Command Header | Description | |
|---|---|---|
| 0x001100C2 | Initialize. This requires RSA-signed DSP firmware specified via the input buffer for this command, the firmware data is eventually written to DSPmem+0(0x1FF00000). | |
| 0x00120000 | Shutdown | |
| 0x00130082 | FlushDCache (The buffer must be located in the 0x14000000 region) | |
| 0x00140082 | InvalidateDCache (The buffer must be located in either the 0x14000000 region, or the DSP memory region) | |
| 0x00150082 | (param0, param1, 0, eventhandle) | |
| 0x00160000 | This obtains an event handle. | |
| 0x00170040 | ||
| 0x00180040 | ||
| 0x00190040 |
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.