Difference between revisions of "DSP:WriteProcessPipe"

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(Clean up.)
(Add buffer details)
 
(4 intermediate revisions by 2 users not shown)
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| Result code
 
| Result code
 
|}
 
|}
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 +
=Usage Notes=
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 +
One should call [[DSP:SetSemaphore]] with an argument of `0x4000`, then wait on the related [[DSP:RegisterInterruptEvents|interrupt event]].
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==enum Channel==
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{| class="wikitable" border="1"
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|-
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!  Channel
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!  Id
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|-
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| DEBUG
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| 0
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|-
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| DMA
 +
| 1
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|-
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| AUDIO
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| 2
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|-
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| BINARY
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| 3
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|}
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==Buffer==
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When <code>Channel == AUDIO</code>,
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{| class="wikitable" border="1"
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|-
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!  Offset
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!  Size
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!  Description
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|-
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| 0x0
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| 2
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| Unknown
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|-
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| 0x2
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| 2
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| Change DSP state
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|}
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When <code>Channel == BINARY</code>,
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{| class="wikitable" border="1"
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|-
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!  Offset
 +
!  Size
 +
!  Description
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|-
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| 0x0
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| 2
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| Codec enum
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|-
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| 0x2
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| 2
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| Codec Command
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|-
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| 0x4
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| 4
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| Result (0 = Success; 1 = Failed)
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|-
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| 0x8
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| 24
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| Command Args
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|}
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===Command Args===

Latest revision as of 17:01, 2 July 2023

Request[edit]

Index Word Description
0 Header code [0x000D0082]
1 Channel
2 Size
3 (Size << 14) | 0x402
4 Buffer

Response[edit]

Index Word Description
0 Header code
1 Result code

Usage Notes[edit]

One should call DSP:SetSemaphore with an argument of `0x4000`, then wait on the related interrupt event.

enum Channel[edit]

Channel Id
DEBUG 0
DMA 1
AUDIO 2
BINARY 3

Buffer[edit]

When Channel == AUDIO,

Offset Size Description
0x0 2 Unknown
0x2 2 Change DSP state

When Channel == BINARY,

Offset Size Description
0x0 2 Codec enum
0x2 2 Codec Command
0x4 4 Result (0 = Success; 1 = Failed)
0x8 24 Command Args

Command Args[edit]