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annotate doc/Modem-operation @ 291:a72feaed133a

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PWT buzzer driver: conditionalize on TARGET_HAS_BUZZER Here we add a new target config preprocessor symbol TARGET_HAS_BUZZER, currently defined for c11x and c139; later we also expect to have it on for FC Venus, and in FC Magnetite we are going to turn it on for target dsample, just for the sake of completeness and philosophical correctness.
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 26 Mar 2022 19:31:18 +0000
parents a62e5bf88434
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1 FC Tourmaline stdmodem functional configuration is equivalent to Magnetite
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2 hybrid. The only intentional diff from Magnetite to Tourmaline in the modem
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3 configuration is the change of Nucleus: Magnetite uses the blob version of
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4 Nucleus which came with TCS211-20070608, whereas Tourmaline uses the source
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5 version of Nucleus by Comrade XVilka. It is essentially a change from an
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6 unknown version of Nucleus to a known one, thus it should generally be
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7 considered an improvement - but as always with such changes, extensive
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8 verification and testing needs to be done in order to ensure that nothing got
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9 broken.
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10
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11 Aside from the one intentional change of Nucleus version, FC Tourmaline is an
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12 entirely new firmware source tree, thus it is always possible that something
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13 could have got broken unintentionally, particularly in rarely-tested areas of
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14 the firmware. Therefore, extensive testing will need to be done before we can
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15 declare Tourmaline stdmodem as officially replacing Magnetite hybrid for stable
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16 modem products.