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annotate src/cs/layer1/include/tch_tap_proto.h @ 300:edcb8364d45b

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L1: resurrect TCH tap feature In this new incarnation of our TCH tap feature, we support DL sniffing in all 3 of FR1, HR1 and EFR, and the new implementation will capture every 20 ms frame where the old one silently skipped a frame (sent nothing) during FACCH stealing. The wire interface on RVTMUX changed slightly, and fc-shell tch record will need to be updated to support the new version. TCH UL play or substitution is supported for FR1 and EFR only; support for HR1 can be added later if needed.
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 13 Dec 2022 02:44:01 +0000
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edcb8364d45b L1: resurrect TCH tap feature
Mychaela Falconia <falcon@freecalypso.org>
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1 /*
edcb8364d45b L1: resurrect TCH tap feature
Mychaela Falconia <falcon@freecalypso.org>
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2 * This header file is a FreeCalypso addition; it contains definitions
edcb8364d45b L1: resurrect TCH tap feature
Mychaela Falconia <falcon@freecalypso.org>
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3 * for our RVTMUX-based protocol for TCH tapping.
edcb8364d45b L1: resurrect TCH tap feature
Mychaela Falconia <falcon@freecalypso.org>
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4 */
edcb8364d45b L1: resurrect TCH tap feature
Mychaela Falconia <falcon@freecalypso.org>
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5
edcb8364d45b L1: resurrect TCH tap feature
Mychaela Falconia <falcon@freecalypso.org>
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6 #define TCH_CONFIG_REQ 0x11
edcb8364d45b L1: resurrect TCH tap feature
Mychaela Falconia <falcon@freecalypso.org>
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7 #define TCH_CONFIG_CONF 0x12
edcb8364d45b L1: resurrect TCH tap feature
Mychaela Falconia <falcon@freecalypso.org>
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8 #define TCH_ULBITS_REQ 0x13
edcb8364d45b L1: resurrect TCH tap feature
Mychaela Falconia <falcon@freecalypso.org>
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9 #define TCH_ULBITS_CONF 0x14
edcb8364d45b L1: resurrect TCH tap feature
Mychaela Falconia <falcon@freecalypso.org>
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10 #define TCH_DLBITS_OLD_IND 0x15 /* FR&EFR only, no distinction, no fn */
edcb8364d45b L1: resurrect TCH tap feature
Mychaela Falconia <falcon@freecalypso.org>
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11 #define TCH_DLBITS_NEW_IND 0x16 /* with channel mode and fn added */