FreeCalypso > hg > fc-tourmaline
annotate helpers/build-date.c @ 72:7bf39f5e834d
backlight control on Luna: switch PWL instead of LEDB
This change is preliminary toward upcoming rework of backlight control
logic in our UI firmware. LEDB does not exist on Tango-based platforms
(it is not brought out on Tango modules), thus turning it on and off
produces absolutely no effect beyond making L1 disable deep sleep
when LEDB is turned on. However, both iWOW DSK and our upcoming
FC Caramel2 boards have a PWL LED, so let's switch that LED on and off
to indicate the state of the UI firmware's backlight control.
Note that we are NOT switching the actual Luna LCD backlight here,
even though it is trivially controlled with a GPIO. The reason for
this seemingly strange choice is that we don't want to turn this
development board LCD backlight off until we bring the higher-level
backlight control logic up to par, including new logic to "swallow"
the first keypress that turns on the darkened LCD.
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Sat, 24 Oct 2020 07:39:54 +0000 |
parents | 775dba605f33 |
children |
rev | line source |
---|---|
9
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1 /* |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2 * This program runs at firmware build time to produce a C file for the |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
3 * fw build that includes the build date and time stamp. |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
4 */ |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
5 |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
6 #include <stdio.h> |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
7 #include <stdlib.h> |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
8 #include <string.h> |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
9 #include <strings.h> |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
10 #include <time.h> |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
11 |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
12 main(argc, argv) |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
13 char **argv; |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
14 { |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
15 time_t now; |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
16 struct tm *tm; |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
17 |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
18 if (argc < 2 || argc > 4) { |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
19 fprintf(stderr, |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
20 "usage: %s config_name target_name src_version\n", |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
21 argv[0]); |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
22 exit(1); |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
23 } |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
24 time(&now); |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
25 tm = gmtime(&now); |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
26 printf("const char firmware_version_str[] =\n"); |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
27 if (argc >= 3) |
10
775dba605f33
helpers: we are FC Tourmaline
Mychaela Falconia <falcon@freecalypso.org>
parents:
9
diff
changeset
|
28 printf("\"FreeCalypso Tourmaline %s (%s), ", argv[1], argv[2]); |
9
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
29 else |
10
775dba605f33
helpers: we are FC Tourmaline
Mychaela Falconia <falcon@freecalypso.org>
parents:
9
diff
changeset
|
30 printf("\"FreeCalypso Tourmaline %s, ", argv[1]); |
9
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
31 if (argc >= 4 && strcmp(argv[3], "unknown")) |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
32 printf("source version %s, ", argv[3]); |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
33 printf("build date %d-%02d-%02dT%02d:%02d:%02dZ\";\n", |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
34 tm->tm_year+1900, tm->tm_mon+1, tm->tm_mday, |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
35 tm->tm_hour, tm->tm_min, tm->tm_sec); |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
36 exit(0); |
1fb47f5b597a
helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
37 } |