git.zerfleddert.de Git - fnordlicht-mini/blob - 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
  46         /* read default mode from storage (do nothing if mode is invalid) */
  47         if (startup_config.params.mode == STARTUP_PROGRAM) {
  48             /* start program */
  49             script_start(0, startup_config.params.program, (union program_params_t *)startup_config.params.program_parameters);
  50         }
  51     } else {
  52         /* start default program */
  53         script_start_default();
  54
  55 #if !CONFIG_SCRIPT
  56         /* or set some default color */
  57         global_pwm.target.red = 50;
  58 #endif
  59     }
  60 }
  61
  62 /* NEVER CALL DIRECTLY! */
  63 void disable_watchdog(void) \
  64   __attribute__((naked)) \
  65   __attribute__((section(".init3")));
  66 void disable_watchdog(void)
  67 {
  68     MCUSR = 0;
  69     wdt_disable();
  70 }
  71
  72 /** main function
  73  */
  74 int main(void)
  75 {
  76     pwm_init();
  77     timer_init();
  78     uart_init();
  79     storage_init();
  80     remote_init();
  81     script_init();
  82
  83     /* do high-level startup configuration */
  84     startup();
  85
  86     /* enable interrupts globally */
  87     sei();
  88
  89     while (1)
  90     {
  91         /* update pwm */
  92         pwm_poll();
  93
  94         /* check for remote commands */
  95         remote_poll();
  96
  97         /* update pwm */
  98         pwm_poll();
  99
 100         /* call scripting */
 101         script_poll();
 102
 103         /* update pwm */
 104         pwm_poll();
 105
 106         /* update fading */
 107         pwm_poll_fading();
 108
 109         /* update pwm */
 110         pwm_poll();
 111
 112         /* process storage requests */
 113         storage_poll();
 114     }
 115 }