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[fnordlicht-mini] / firmware / fnordlicht-firmware / fnordlicht.c
1 /* vim:ts=4 sts=4 et tw=80
2 *
3 * fnordlicht firmware
4 *
5 * for additional information please
6 * see http://lochraster.org/fnordlichtmini
7 *
8 * (c) by Alexander Neumann <alexander@bumpern.de>
9 * Lars Noschinski <lars@public.noschinski.de>
10 *
11 * This program is free software: you can redistribute it and/or modify it
12 * under the terms of the GNU General Public License version 3 as published by
13 * the Free Software Foundation.
14 *
15 * This program is distributed in the hope that it will be useful, but WITHOUT
16 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
17 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
18 * more details.
19 *
20 * You should have received a copy of the GNU General Public License along with
21 * this program. If not, see <http://www.gnu.org/licenses/>.
22 */
23
24 /* includes */
25 #include "globals.h"
26 #include "../common/io.h"
27
28 #include <stdint.h>
29 #include <avr/interrupt.h>
30 #include <avr/pgmspace.h>
31 #include <avr/wdt.h>
32
33 #include "../common/common.h"
34 #include "pwm.h"
35 #include "uart.h"
36 #include "remote.h"
37 #include "timer.h"
38 #include "script.h"
39 #include "storage.h"
40
41 static void startup(void)
42 {
43 /* if configuration is valid */
44 if (storage_valid_config()) {
45 /* set global address to stored value */
46 global_remote.address = startup_config.startup_addr;
47 }
48
49 #if CONFIG_SCRIPT
50 /* start default program: showcfg FIXME cleanup magic values */
51 script_start(0u, 3u, (union program_params_t *)startup_config.params.program_parameters);
52 #else
53 /* or set some default color */
54 global_pwm.target.red = 50u;
55 #endif
56 }
57
58 /* NEVER CALL DIRECTLY! */
59 void disable_watchdog(void) \
60 __attribute__((naked)) \
61 __attribute__((section(".init3")));
62 void disable_watchdog(void)
63 {
64 MCUSR = 0;
65 wdt_disable();
66 }
67
68 /** main function
69 */
70 int main(void)
71 {
72 pwm_init();
73 timer_init();
74 uart_init();
75 storage_init();
76 remote_init();
77 script_init();
78
79 /* do high-level startup configuration */
80 startup();
81
82 /* enable interrupts globally */
83 sei();
84
85 while (1)
86 {
87 /* update pwm */
88 pwm_poll();
89
90 /* check for remote commands */
91 remote_poll();
92
93 /* update pwm */
94 pwm_poll();
95
96 /* call scripting */
97 script_poll();
98
99 /* update pwm */
100 pwm_poll();
101
102 /* update fading */
103 pwm_poll_fading();
104
105 /* update pwm */
106 pwm_poll();
107
108 /* process storage requests */
109 storage_poll();
110 }
111 }
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