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annotate aud-c139/handheld.src @ 6:cd0641c3611a

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add README
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 06 Apr 2022 05:26:36 +0000
parents e1878231dbcd
children
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e1878231dbcd aud-c139: preliminary version
Mychaela Falconia <falcon@freecalypso.org>
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1 # C139 handheld audio mode, currently based on the register readings
e1878231dbcd aud-c139: preliminary version
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2 # provided by Das Signal in 2021-11.
e1878231dbcd aud-c139: preliminary version
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e1878231dbcd aud-c139: preliminary version
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4 mic default {
e1878231dbcd aud-c139: preliminary version
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5 gain 2 # value reported by DS for the active call state
e1878231dbcd aud-c139: preliminary version
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6 output-bias 0 # C139 uses 2.0V
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7 }
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e1878231dbcd aud-c139: preliminary version
Mychaela Falconia <falcon@freecalypso.org>
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9 # We are going to configure downlink FIR and PGA when we get a better
e1878231dbcd aud-c139: preliminary version
Mychaela Falconia <falcon@freecalypso.org>
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10 # test setup - run with safe defaults for now.
e1878231dbcd aud-c139: preliminary version
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11 speaker ear {
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12 gain 0
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13 }
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e1878231dbcd aud-c139: preliminary version
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15 sidetone -23
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e1878231dbcd aud-c139: preliminary version
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17 # C139 AEC config for handheld mode
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18 aec-new 2 1 0x14 0x4CCC 0x59AD 0x7500 0 0x1000 0x1000 0 4 0x40