FreeCalypso > hg > fc-magnetite

annotate doc/Handset-goal @ 678:edaceb78719a

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
doc/Leonardo-target: Tango unused Calypso signals update
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 20 Jun 2020 05:08:39 +0000
parents 712c5cc0b2a9
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
463
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
1 FreeCalypso end user libre phone goals
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
2 ======================================
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
3
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
4 The Mother's primary goal in FreeCalypso is to create (design and build) our
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
5 own FreeCalypso libre phone handset (a Libre Dumbphone) that can replace the
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
6 proprietary Pirelli DP-L10, retaining the following essential qualities of the
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
7 latter:
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
8
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
9 * a "dumbphone" in the most classic "candybar" form factor with traditional
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
10 dial buttons, NOT a smartphone;
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
11 * a color LCD of a decent size (Pirelli's is 128x128 pixels, ours will be
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
12 176x220 pixels);
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
13 * a loudspeaker that works for both hands-free calls and polyphonic ringtone
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
14 melodies;
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
15 * a USB port that combines charging with a built-in serial interface for
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
16 computer interfacing.
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
17
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
18 A secondary goal is to put together a firmware version that can be flashed into
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
19 a surplus Motorola C139 or C140 phone (obscenely cheap hardware) and turn those
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
20 originally-proprietary phones into a sort of Libre Dumbphone Lite - functionally
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
21 inferior to our own FreeCalypso Libre Dumbphone because Mot C139/140 hardware
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
22 is significantly inferior to what I seek to build (no loudspeaker, no USB, much
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
23 smaller LCD), but may be attractive to those cheap souls who are unwilling to
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
24 pay for higher-quality hardware. (Doing a similar feat with Pirelli DP-L10
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
25 hardware - turning it into a Libre Dumbphone by way of aftermarket firmware -
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
26 is not practically feasible: the effort to reverse-eng Pirelli's undocumented
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
27 hardware to the extent necessary for such a feat would cost at least as much
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
28 time and money as designing and building our own Libre Dumbphone hardware,
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
29 hence the latter is clearly preferable.)
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
30
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
31 The primary goal of entirely new FreeCalypso Libre Phone hardware and the
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
32 secondary goal of FC on the C139 are not mutually exclusive: because we are a
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
33 FLOSS project rather than proprietary sw, we do not artificially restrict what
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
34 hardware our fw can run on and what functionality it can provide: while the
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
35 primary target for our Libre Dumbphone firmware will always be our own hw,
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
36 whatever functionality can work on the more limited Mot C139 hw will work there,
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
37 subject to the limitations of the crippled hw platform.
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
38
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
39 However, in terms of timeline sequentiality, the critical point is that I,
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
40 Mychaela Falconia, the Mother of FreeCalypso, am not willing to do any more
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
41 work on the UI firmware (for any target) ahead of designing and building the
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
42 first prototype of the just-outlined FC Libre Dumbphone hardware: when it comes
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
43 to the work that *I* am doing, it has to be hardware first, then UI firmware.
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
44
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
45 But the FreeCalypso codebase is free for everyone, it is free software which
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
46 anyone in the world is free to fork in whatever ways they like, hence for those
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
47 who feel (contrary to my own personal stance) that aftermarket Libre Dumbphone
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
48 firmware for pre-existing hw platforms like Mot C139 is more important than new
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
49 FreeCalypso Libre Dumbphone hardware, the correct solution for those people is
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
50 to get over their fear of programming, roll up their sleeves and do some
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
51 firmware coding of their own.
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
52
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
53 What we got from TI in terms of firmware
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
54 ========================================
219
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
55
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
56 Phone handset firmware, i.e., fw that makes a phone device work as an untethered
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
57 phone and not just a serial-cable-controlled pseudo-modem, requires a few
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
58 additional layers of functionality beyond AT-command-controlled modem fw:
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
59
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
60 * The hardware-specific LCD driver, called R2D in TI's TCS211 program;
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
61 * The actual phone UI implementation, which the cellular industry calls by the
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
62 sexist term "MMI" - TI's implementation consists of two components called BMI
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
63 and MFW;
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
64 * Battery management (monitoring and charging);
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
65 * Fairly complex on/off logic to handle all possible combinations of turn-on,
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
66 turn-off, charging while "on", charging while "off", charging completed or
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
67 failed but charging power source not unplugged yet.
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
68
463
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
69 The bulk of the UI code resides in the BMI and MFW layers, which sit on top of
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
70 ACI (Application Control Interface), which is the topmost layer of the
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
71 underlying GSM modem firmware stack. We got two different versions of this
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
72 MFW+BMI code from TI:
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
73
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
74 * The version under src/aci2, used together with the original TCS211 versions
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
75 of G23M PS and ACI components in the legacy 2092 config, has a very unclear
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
76 origin: it came from the internal SVN of an obscure company that made
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
77 AT-command-controlled Calypso modems (*not* complete phones with Calypso UI),
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
78 those people did not use this code themselves at all (their environment was
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
79 not even set up to be able to compile it), and it is totally unclear how they
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
80 came to have that code which they did not use. It *might* correspond to the
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
81 rest of TCS211 fw which we got from the same source, or it might not.
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
82
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
83 * The version under src/ui3, used in our hybrid configs going forward, has a
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
84 much clearer origin: we took it from TCS3.2_N5.24_M18_V1.11_M23BTH_PSL1_src
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
85 reference firmware for TI's later LoCosto chipset, which was published free
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
86 to the world by Peek Inc. as that company was closing shop.
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
87
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
88 We are now able to build UI-enabled firmware configs using both versions of TI's
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
89 MFW+BMI code, and there are no significant differences in the quality of the
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
90 phone UI implementation: in both cases it is only a proof of concept, and is
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
91 absolutely not ready for driving a real end user phone: the UI code contains
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
92 crashing and other killer bugs, the battery management driver officially
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
93 endorsed by TI for TCS211 and later programs (LCC for "low cost" unregulated
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
94 chargers) is not appropriate for phones that use simple charging circuits and
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
95 regulated +5 VDC charging power sources (USB or Motorola's C1xx charging
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
96 adapters), and TI's older PWR battery management driver (TI totally removed it
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
97 from TCS211, but we pulled it from the older MV100 source fragments) is
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
98 bitrotten and just generally broken.
374
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
99
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
100 In FreeCalypso we have developed our own battery charging and discharge
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
101 monitoring driver (FCHG) that works on Mot C1xx and Pirelli DP-L10 phones in
376
3f1a587b3a84 doc/Voice-pseudo-modem written
Mychaela Falconia <falcon@freecalypso.org>
parents: 374
diff changeset
102 the "voice pseudo-modem" configuration (see the Voice-pseudo-modem article),
3f1a587b3a84 doc/Voice-pseudo-modem written
Mychaela Falconia <falcon@freecalypso.org>
parents: 374
diff changeset
103 but we still have the problem of the UI, namely, the lack of one that is
463
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
104 practically usable. Because TI were in the business of making and selling
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
105 chipsets rather than complete phones, proper phone UI development was something
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
106 they left to their customers, and they provided only a very rough proof of
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
107 concept implementation.
374
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
108
463
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
109 What we have currently
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
110 ======================
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
111
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
112 If you wish to play with our current work in progress based on TI's PoC UI code,
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
113 you have 3 configurations (in the ./configure.sh sense) to choose from:
374
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
114
463
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
115 2092 This is our first UI-enabled configuration; it got its name
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
116 because it is a mostly unchanged replica of TI's pdt_2092
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
117 configuration in the original TCS211 program. This config uses
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
118 the original TCS211 versions of G23M PS (blobs), ACI (source)
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
119 and MFW+BMI (source) components. Data services (FAX_AND_DATA
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
120 and GPRS) are enabled and cannot be disabled because of G23M PS
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
121 blobs.
374
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
122
463
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
123 hybrid-ui This config is the TCS2/TCS3 hybrid counterpart to the above,
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
124 using the new full source versions of G23M PS, ACI and MFW+BMI
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
125 from the TCS3.2/LoCosto source. FAX_AND_DATA and GPRS are
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
126 still enabled.
374
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
127
463
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
128 hybrid-ui-vo Same as hybrid-ui, but with FAX_AND_DATA and GPRS disabled,
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
129 resulting in a lighter build.
374
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
130
463
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
131 All 3 of the above configs can be usefully built for 3 hardware targets:
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
132 dsample, fcdev3b and c139. The resulting firmware will work as follows:
374
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
133
463
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
134 * If you have a real TI-made D-Sample board with the attached test handset (the
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
135 platform that TI's own software engineers used when working on this UI code,
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
136 at least before LoCosto), TI's 176x220 pixel color UI will be displayed on
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
137 the LCD in the handset part of the kit, just the way TI meant it. However,
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
138 because we are missing a piece of code for Clara RF, GSM radio won't work,
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
139 and the UI can only be exercised as it would work in the absence of coverage:
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
140 one can step through the menus and read SIM phonebook entries and saved
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
141 messages, but no calls. See the D-Sample article for the details.
374
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
142
463
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
143 * You can run a UI-enabled firmware build on our FCDEV3B modem board that has
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
144 no physical LCD or keypad hardware, and display TI's 176x220 pixel color UI
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
145 on a connected external host, sending simulated keypresses from the same -
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
146 look in the freecalypso-ui-dev repository for the necessary tools.
374
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
147
463
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
148 * When a UI-enabled firmware config is built for the C139 target, the UI config
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
149 (Bourne shell variable UI_CONFIG in our configuration and Makefile generation
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
150 system) is switched from TI's D-Sample UI (176x220 pix color,
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
151 UI_CONFIG=bigcolor) to their older C-Sample UI: 84x48 pix black & white,
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
152 UI_CONFIG=84x48. This 84x48 pix B&W C-Sample UI is then displayed on the
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
153 96x64 pixel physical LCD on the C139 phone.
374
3f2dce15278c doc: new Handset-goal write-up replaces old Handset-configs
Mychaela Falconia <falcon@freecalypso.org>
parents: 313
diff changeset
154
463
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
155 If you are interested in the Mot C139 hardware target and you are interested in
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
156 turning our current state of affairs into something that would allow you to use
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
157 your C139 as a practically usable libre phone with FreeCalypso, the Mother
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
158 strongly recommends that you use the hybrid-ui-vo configuration as your starting
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
159 point; working on the old src/aci2 UI code that is slated for retirement because
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
160 it is coupled to a G23M PS version that exists only as binary blobs would be a
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
161 total waste. If you try to use our current hybrid-ui-vo firmware on the C139
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
162 as a practical phone, the following problems will be the ones that hit you most
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
163 immediately, and therefore would need to be fixed first:
219
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
164
463
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
165 * The FCHG driver included in the fw build does monitor the battery state of
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
166 charge as it discharges, and you can query it with the standard AT+CBC command
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
167 using the AT-over-RVTMUX channel on the headset jack serial port, but it is
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
168 not connected to the UI, hence the battery icon on the screen shows no useful
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
169 info. Thus with an end user hat on, you would have no way of knowing if your
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
170 battery is full or almost empty and about to die any second or anywhere in
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
171 between.
219
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
172
463
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
173 * The firmware similarly supports battery charging, but once again there is
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
174 absolutely no indication in the UI as to the state of the charging process as
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
175 in progress, completion or errors. Instead you can only observe this
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
176 charging process by watching the debug trace output emitted on the headset
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
177 jack serial port.
219
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
178
463
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
179 * Every standard commercial end user phone implements a special mode of
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
180 operation that is activated if the user plugs in the charging power source
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
181 while the phone is off: the phone firmware boots just enough to manage the
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
182 battery charging process (the LCD shows nothing but this charging process),
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
183 but does not boot all the way to "full on" operation (SIM bring-up and
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
184 network search) until and unless some designated button is pressed to request
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
185 such full boot. The proof-of-concept code we got from TI does not implement
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
186 this special "charging boot" mode; instead if you connect the charging power
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
187 source to a fully-off phone, the result will be a full boot just as if you
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
188 pressed the red power-on button. This lack of the expected "charging boot"
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
189 mode is bad, as one really needs a "charge while off" mode in order to
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
190 properly recover from a fully discharged battery.
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
191
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
192 * Every standard commercial end user phone implements some timer logic for the
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
193 power-on button, such that if the phone is fully off, the power button needs
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
194 to be pressed not just momentarily, but held down for some time in order to
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
195 make the phone turn on and boot. This logic provides necessary protection
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
196 from accidental turn-ons: if you are in some place where your phone needs to
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
197 be off and you have turned it off, you don't want it booting back up on its
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
198 own because the button got pressed momentarily from the phone being in your
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
199 pocket or purse. This logic is currently missing.
219
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
200
463
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
201 * The LCD on Mot C139 phones is already small, only 96x64 pixels, but with the
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
202 current firmware using the UI which TI originally created for their C-Sample
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
203 and earlier development boards, the usable area is reduced even further to
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
204 only 84x48 pixels. Likewise the physical LCD is color, but the UI is only
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
205 black&white because the UI code "thinks" it's running on a C-Sample board
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
206 which only had a black&white LCD. Massively reworking the UI code to make
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
207 use of the full 96x64 pixel LCD real estate, along with some colors, ought to
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
208 be essential before this UI can really become fit for end user operation.
219
b05dba024f95 doc/Handset-configs and doc/Modem-configs written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
209
463
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
210 Some of these just-listed killer bugs are specific to the C139 target, while
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
211 others will still be there when we have our own HSMBP with a 176x220 pix color
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
212 LCD like on the D-Sample. Those bugs which are not C139-specific will be fixed
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
213 in the process of making our own FreeCalypso Libre Dumbphone based on our own
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
214 hardware, and by virtue of the common code the fixes will benefit the C139
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
215 target as well. In the case of C139-specific bugs, i.e., those specific to the
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
216 tiny screen size or to the weird (not TI-canonical) way in which the power
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
217 button is wired on C1xx phones, it is not currently known whether or not I
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
218 (Mychaela aka The Mother) will ever be willing to invest significant work into
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
219 these C139-specific issues. Thus the message is loud and clear: those who
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
220 desire FreeCalypso as aftermarket libre phone fw for Mot C139 or other non-FC
712c5cc0b2a9 doc/Handset-goal: update for the current situation
Mychaela Falconia <falcon@freecalypso.org>
parents: 376
diff changeset
221 hardware need to roll up their sleeves and start learning the code.