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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, 4u, (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
59 /* NEVER CALL DIRECTLY! */
60 void disable_watchdog(void) \
61 __attribute__((naked)) \
62 __attribute__((section(".init3")));
63 void disable_watchdog(void)
64 {
65 MCUSR = 0;
66 wdt_disable();
67 }
68
69 /** main function
70 */
71 int main(void)
72 {
73 pwm_init();
74 timer_init();
75 uart_init();
76 storage_init();
77 remote_init();
78 script_init();
79
80 /* do high-level startup configuration */
81 startup();
82
83 /* enable interrupts globally */
84 sei();
85
86 while (1)
87 {
88 /* update pwm */
89 pwm_poll();
90
91 /* check for remote commands */
92 remote_poll();
93
94 /* update pwm */
95 pwm_poll();
96
97 /* call scripting */
98 script_poll();
99
100 /* update pwm */
101 pwm_poll();
102
103 /* update fading */
104 pwm_poll_fading();
105
106 /* update pwm */
107 pwm_poll();
108
109 /* process storage requests */
110 storage_poll();
111 }
112 }
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