FreeCalypso > hg > fc-tourmaline
annotate doc/Blob-status @ 301:4bb5772a05a3
AT%SPVER: new command for setting custom speech version lists
The speech version list in the Bearer Capability IE tells the network
which speech codecs are supported by the MS, and in which order of
preference. The standard behaviour is to list all codecs that are
supported by the hw+fw platform, and the standard preference order
is newer over older, FR over HR. But sometimes it is desirable
(for network testing) to artificially restrict which codecs the test MS
will declare as supported, and/or to list them in some peculiar
non-standard order of preference. Add a new private AT command,
AT%SPVER, allowing the user to set and clear custom speech version
lists for the Bearer Capability IE composer in CC.
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 21 May 2023 21:43:10 +0000 |
parents | a62e5bf88434 |
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rev | line source |
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1 State of blobs in FreeCalypso firmware |
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2 ====================================== |
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3 |
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4 FC Tourmaline is almost completely deblobbed. Only the following very small |
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5 components exist in the form of blobs (prebuilt binary objects for which we |
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6 have no exact corresponding source) in the standard Tourmaline build: |
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7 |
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8 * OSL and OSX glue components of GPF: 14992 bytes of code |
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9 * TMS470 compiler's RTS library (libc/libgcc equivalent): 13152 bytes of code |
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10 |
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11 For OSL and OSX we do have reconstructed C code written based on disassembly of |
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12 the blobs, but I (Mother Mychaela) do not consider the current state of this C |
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13 reconstruction to be fit for production use - hence standard Tourmaline fw |
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14 builds use blob versions of these components. However, our configuration and |
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15 build system gives you the freedom to select which version of each component |
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16 you would rather use; the selection is made with Bourne shell config variables |
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17 on the configure.sh invokation line: |
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18 |
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19 OSL=0 use the blob version of OSL |
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20 OSL=1 use the reconstructed C version of OSL |
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21 OSX=0 use the blob version of OSX |
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22 OSX=1 use the reconstructed C version of OSX |
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23 |
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24 The current default is OSL=0 and OSX=0. |
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25 |
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26 RTS library |
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27 =========== |
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28 |
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29 We do have source code for some versions of the TMS470 compiler's RTS library, |
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30 but they may not be exactly corresponding to the blob version from TCS211 which |
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31 we are using. This area is deemed to be such a low priority that no real |
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32 investigation has been done yet. |