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annotate fluid-mnf/README @ 360:1f13f0e43e43

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fluid-mnf: doc update after GTA02 tests
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 14 Mar 2020 08:33:22 +0000
parents 83aed2355592
children 6cff3ee315e0
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1 In the summer of 2019 we (FreeCalypso) had recovered a copy of TI's original
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2 FLUID package including source, but this TI original FLUID source targets only
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3 Windows, no Unix or Linux support included. Back in 2007 or earlier Openmoko
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4 had made their own port of FLUID to Linux and we have their Linux/ARM binary,
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5 but the source for that Linux port appears to have been lost.
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6
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7 The present work is an independent (non-Openmoko) port of TI's FLUID to Linux
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8 made by Mother Mychaela N. Falconia of FreeCalypso, named fluid-mnf in order to
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9 distinguish it from any other Unix/Linux ports of FLUID that may have been made
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10 by unknown other parties. The present port uses Linux-specific tty ioctl calls
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11 instead of generic termios for serial port control, thus it won't compile or
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12 run under any other Unixes without further porting. It was done this way
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13 because of non-standard baud rates: FLUID supports Calypso high baud rates of
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14 203125, 406250 and 812500 bps, as well as D-Sample XXO (eXternal Xtal
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15 Oscillator) baud rates of 230400, 460800 and 921600 bps, and because of POSIX
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16 stupidity, supporting all of these baud rates in a Unix application requires
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17 non-portable hacks.
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18
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19 Please note that the target-side binaries in the target-bin directory are
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20 unchanged from TI's original delivery, just like Openmoko left them unchanged
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21 in their version. I am not even bothering with setting up an environment to
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22 recompile them from source with TI's TMS470 toolchain: I am going to do the
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23 same thing Openmoko did, just use them unchanged.
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24
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25 Please also note that the present fluid-mnf port is being made as an act of
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26 restorative justice, righting the wrong of Closedmoko not releasing theirs when
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27 they made it in 2007 or earlier. The present fluid-mnf port is NOT intended to
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28 replace fc-loadtool, thus a strict limit is being put on the extent of work
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29 that will be done on fluid-mnf: just enough to right Moko's wrong and maybe a
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30 little extra to allow for satisfaction of some natural curiosities, but no more.
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31 As a result of these strict limits on the scope of the work, neither this
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32 fluid-mnf nor any other known version of FLUID will work on FCDEV3B boards with
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33 Spansion S71PL129N flash - instead our boards with this flash are supported only
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34 by our own fc-loadtool, not FLUID. The ONLY Calypso targets that are expected
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35 to be supported by fluid-mnf (same as TI's original FLUID for Windows) are:
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36
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37 * TI's own D-Sample and Leonardo boards;
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38 * A certain non-TI development board nicknamed Caramel which has a Leonardo
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39 clone as its core but has a D-Sample-like physical form factor;
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40 * Openmoko GTA01 and GTA02 modems.
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41
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42 Openmoko GTA02 has just been tested and confirmed to work with fluid-mnf;
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43 D-Sample and Caramel boards remain to be tested.