WaveArtist
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(the following is from the armlinux CVS)
WaveArtist mixer and volume levels can be accessed via these commands:
nn30 read registers nn, where nn = 00 - 09 for mixer settings
0a - 13 for channel volumes
mm31 write the volume setting in pairs, where mm = (nn - 10) / 2
rr32 write the mixer settings in pairs, where rr = nn/2
xx33 reset all settings to default
0y34 select mono source, y=0 = left, y=1 = right
bits
nn 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
----+---+------------+-----+-----+-----+----+-----+-----+-----+-----+-----+-----+-----+
00 | 0 | 0 0 1 1 | left line mixer gain | left aux1 mixer gain |lmute|
----+---+------------+-----+-----+-----+----+-----+-----+-----+-----+-----+-----+-----+
01 | 0 | 0 1 0 1 | left aux2 mixer gain | right 2 left mic gain |mmute|
----+---+------------+-----+-----+-----+----+-----+-----+-----+-----+-----+-----+-----+
02 | 0 | 0 1 1 1 | left mic mixer gain | left mic | left mixer gain |dith |
----+---+------------+-----+-----+-----+----+-----+-----+-----+-----+-----+-----+-----+
03 | 0 | 1 0 0 1 | left mixer input select |lrfg | left ADC gain |
----+---+------------+-----+-----+-----+----+-----+-----+-----+-----+-----+-----+-----+
04 | 0 | 1 0 1 1 | right line mixer gain | right aux1 mixer gain |rmute|
----+---+------------+-----+-----+-----+----+-----+-----+-----+-----+-----+-----+-----+
05 | 0 | 1 1 0 1 | right aux2 mixer gain | left 2 right mic gain |test |
----+---+------------+-----+-----+-----+----+-----+-----+-----+-----+-----+-----+-----+
06 | 0 | 1 1 1 1 | right mic mixer gain | right mic |right mixer gain |rbyps|
----+---+------------+-----+-----+-----+----+-----+-----+-----+-----+-----+-----+-----+
07 | 1 | 0 0 0 1 | right mixer select |rrfg | right ADC gain |
----+---+------------+-----+-----+-----+----+-----+-----+-----+-----+-----+-----+-----+
08 | 1 | 0 0 1 1 | mono mixer gain |right ADC mux sel|left ADC mux sel |
----+---+------------+-----+-----+-----+----+-----+-----+-----+-----+-----+-----+-----+
09 | 1 | 0 1 0 1 |loopb|left linout|loop|ADCch|TxFch|OffCD|test |loopb|loopb|osamp|
----+---+------------+-----+-----+-----+----+-----+-----+-----+-----+-----+-----+-----+
0a | 0 | left PCM channel volume |
----+---+------------+-----+-----+-----+----+-----+-----+-----+-----+-----+-----+-----+
0b | 0 | right PCM channel volume |
----+---+------------+-----+-----+-----+----+-----+-----+-----+-----+-----+-----+-----+
0c | 0 | left FM channel volume |
----+---+------------+-----+-----+-----+----+-----+-----+-----+-----+-----+-----+-----+
0d | 0 | right FM channel volume |
----+---+------------+-----+-----+-----+----+-----+-----+-----+-----+-----+-----+-----+
0e | 0 | left wavetable channel volume |
----+---+------------+-----+-----+-----+----+-----+-----+-----+-----+-----+-----+-----+
0f | 0 | right wavetable channel volume |
----+---+------------+-----+-----+-----+----+-----+-----+-----+-----+-----+-----+-----+
10 | 0 | left PCM expansion channel volume |
----+---+------------+-----+-----+-----+----+-----+-----+-----+-----+-----+-----+-----+
11 | 0 | right PCM expansion channel volume |
----+---+------------+-----+-----+-----+----+-----+-----+-----+-----+-----+-----+-----+
12 | 0 | left FM expansion channel volume |
----+---+------------+-----+-----+-----+----+-----+-----+-----+-----+-----+-----+-----+
13 | 0 | right FM expansion channel volume |
----+---+------------+-----+-----+-----+----+-----+-----+-----+-----+-----+-----+-----+
lmute: left mute
mmute: mono mute
dith: dithds
lrfg:
rmute: right mute
rbyps: right bypass
rrfg:
ADCch:
TxFch:
OffCD:
osamp:
And the following diagram is derived from the description in the CVS archive:
MIC L (mouthpiece)
+------+
-->PreAmp>-\
+--^---+ |
| |
r2b4-5 | +--------+
/----*-------------------------------->5 |
| | |
| /----------------------------------->4 |
| | | |
| | /--------------------------------->3 1of5 | +---+
| | | | mux >-->AMP>--> ADC L
| | | /------------------------------->2 | +-^-+
| | | | | | |
Line | | | | +----+ +------+ +---+ /---->1 | r3b3-0
------------*->mute>--> Gain >--> | | | |
L | | | +----+ +------+ | | | *->0 |
| | | | | | +---^----+
Aux2 | | | +----+ +------+ | | | |
----------*--->mute>--> Gain >--> M | | r8b0-2
L | | +----+ +------+ | | |
| | | | \------\
Aux1 | | +----+ +------+ | | |
--------*----->mute>--> Gain >--> I | |
L | +----+ +------+ | | |
| | | |
| +----+ +------+ | | +---+ |
*------->mute>--> Gain >--> X >-->AMP>--*
| +----+ +------+ | | +-^-+ |
| | | | |
| +----+ +------+ | | r2b1-3 |
| /----->mute>--> Gain >--> E | |
| | +----+ +------+ | | |
| | | | |
| | +----+ +------+ | | |
| | /--->mute>--> Gain >--> R | |
| | | +----+ +------+ | | |
| | | | | | r9b8-9
| | | +----+ +------+ | | | |
| | | /->mute>--> Gain >--> | | +---v---+
| | | | +----+ +------+ +---+ /-*->0 |
DAC | | | | | | |
------------*----------------------------------->? | +----+
L | | | | | Mux >-->mute>--> L output
| | | | /->? | +--^-+
| | | | | | | |
| | | /--------->? | r0b0
| | | | | | +-------+
| | | | | |
Mono | | | | | | +-------+
----------* | \---> | +----+
| | | | | | Mix >-->mute>--> Mono output
| | | | *-> | +--^-+
| | | | | +-------+ |
| | | | | r1b0
DAC | | | | | +-------+
------------*-------------------------*--------->1 | +----+
R | | | | | | Mux >-->mute>--> R output
| | | | +----+ +------+ +---+ *->0 | +--^-+
| | | \->mute>--> Gain >--> | | +---^---+ |
| | | +----+ +------+ | | | | r5b0
| | | | | | r6b0
| | | +----+ +------+ | | |
| | \--->mute>--> Gain >--> M | |
| | +----+ +------+ | | |
| | | | |
| | +----+ +------+ | | |
| *----->mute>--> Gain >--> I | |
| | +----+ +------+ | | |
| | | | |
| | +----+ +------+ | | +---+ |
\------->mute>--> Gain >--> X >-->AMP>--*
| +----+ +------+ | | +-^-+ |
/--/ | | | |
Aux1 | +----+ +------+ | | r6b1-3 |
-------*------>mute>--> Gain >--> E | |
R | | +----+ +------+ | | |
| | | | |
Aux2 | | +----+ +------+ | | /------/
---------*---->mute>--> Gain >--> R | |
R | | | +----+ +------+ | | |
| | | | | | +--------+
Line | | | +----+ +------+ | | | *->0 |
-----------*-->mute>--> Gain >--> | | | |
R | | | | +----+ +------+ +---+ \---->1 |
| | | | | |
| | | \-------------------------------->2 | +---+
| | | | Mux >-->AMP>--> ADC R
| | \---------------------------------->3 | +-^-+
| | | | |
| \------------------------------------>4 | r7b3-0
| | |
\-----*-------------------------------->5 |
| +---^----+
r6b4-5 | |
| | r8b3-5
+--v---+ |
-->PreAmp>-/
+------+
MIC R (electret mic)