annotate README @ 16:f422d19c0118 default tip

fc-mcsi-rxtx: fix bug in PCM sample Rx
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 29 Oct 2024 01:41:33 +0000
parents 3ae4a6ca5639
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Mychaela Falconia <falcon@freecalypso.org>
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1 The project contained in this repository is a mechanism for capturing the
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Mychaela Falconia <falcon@freecalypso.org>
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2 decoded 16-bit linear PCM form of voice call downlink on FreeCalypso boards
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Mychaela Falconia <falcon@freecalypso.org>
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3 via MCSI, and for feeding 16-bit linear PCM into call uplink via the same
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Mychaela Falconia <falcon@freecalypso.org>
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4 interface. The mechanism consists of a Lattice Icestick FPGA board, a gateware
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Mychaela Falconia <falcon@freecalypso.org>
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5 image for this FPGA, and host programs that interface to it via the UART channel
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Mychaela Falconia <falcon@freecalypso.org>
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6 of the on-board FT2232H.
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Mychaela Falconia <falcon@freecalypso.org>
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8 So far only downlink Rx has been implemented; to get the uplink path, more work
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Mychaela Falconia <falcon@freecalypso.org>
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9 is needed on both FPGA gateware and software components.