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         /* set global address to stored value */
  46         global_remote.address = startup_config.startup_addr;
  47
  48         /* read default mode from storage (do nothing if mode is invalid) */
  49         if (startup_config.params.mode == STARTUP_PROGRAM) {
  50             /* start program */
  51             script_start(0, startup_config.params.program, (union program_params_t *)startup_config.params.program_parameters);
  52         }
  53     } else {
  54         /* start default program */
  55         script_start_default();
  56
  57 #if !CONFIG_SCRIPT
  58         /* or set some default color */
  59         global_pwm.target.red = 50;
  60 #endif
  61     }
  62 }
  63
  64 /* NEVER CALL DIRECTLY! */
  65 void disable_watchdog(void) \
  66   __attribute__((naked)) \
  67   __attribute__((section(".init3")));
  68 void disable_watchdog(void)
  69 {
  70     MCUSR = 0;
  71     wdt_disable();
  72 }
  73
  74 /** main function
  75  */
  76 int main(void)
  77 {
  78     pwm_init();
  79     timer_init();
  80     uart_init();
  81     storage_init();
  82     remote_init();
  83     script_init();
  84
  85     /* do high-level startup configuration */
  86     startup();
  87
  88     /* enable interrupts globally */
  89     sei();
  90
  91     while (1)
  92     {
  93         /* update pwm */
  94         pwm_poll();
  95
  96         /* check for remote commands */
  97         remote_poll();
  98
  99         /* update pwm */
 100         pwm_poll();
 101
 102         /* call scripting */
 103         script_poll();
 104
 105         /* update pwm */
 106         pwm_poll();
 107
 108         /* update fading */
 109         pwm_poll_fading();
 110
 111         /* update pwm */
 112         pwm_poll();
 113
 114         /* process storage requests */
 115         storage_poll();
 116     }
 117 }