git.zerfleddert.de Git - fnordlicht-mini/blob - firmware/fnordlicht-bootloader/global.h

   1 /* vim:ts=4 sts=4 et tw=80
   2  *
   3  *         fnordlichtmini serial bootloader
   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 #ifndef __GLOBAL_H
  25 #define __GLOBAL_H
  26
  27 #include "config.h"
  28
  29 /* configure primary pwm pins (MUST be three successive pins in a port) */
  30 #define PWM_PORT B
  31 #define PWM_CHANNELS 3
  32 #define PWM_CHANNEL_MASK (_BV(PB0) | _BV(PB1) | _BV(PB2))
  33 #define PWM_SHIFT 0
  34
  35 /* configure INT pin */
  36 #define REMOTE_INT_PORT D
  37 #define REMOTE_INT_PIN PD2
  38
  39 /* abbreviations for port, ddr and pin */
  40 #define P_PORT _OUTPORT(PWM_PORT)
  41 #define P_DDR _DDRPORT(PWM_PORT)
  42 #define R_PORT _OUTPORT(REMOTE_INT_PORT)
  43 #define R_DDR _DDRPORT(REMOTE_INT_PORT)
  44 #define R_PIN _INPORT(REMOTE_INT_PORT)
  45 #define INTPIN REMOTE_INT_PIN
  46
  47 /* check if hardware is valid */
  48 #if defined(HARDWARE_fnordlicht)
  49     /* specific settings for old fnordlicht hardware */
  50     #if !defined(PWM_INVERTED)
  51     #define PWM_INVERTED
  52     #endif
  53 #elif defined(HARDWARE_fnordlichtmini)
  54     /* specific settings for fnordlichtmini hardware */
  55
  56 #else
  57 #error "unknown HARDWARE platform!"
  58 #endif
  59
  60 /* turn pwm output pins on and off */
  61 #ifdef PWM_INVERTED
  62 #define PWM_PIN_ON(bit) P_PORT &= ~_BV(bit) << (PWM_SHIFT)
  63 #define PWM_PIN_OFF(bit) P_PORT |= _BV(bit) << (PWM_SHIFT)
  64 #else
  65 #define PWM_PIN_ON(bit) P_PORT |= _BV(bit) << (PWM_SHIFT)
  66 #define PWM_PIN_OFF(bit) P_PORT &= ~_BV(bit) << (PWM_SHIFT)
  67 #endif
  68
  69 #define PWM_PIN_TOGGLE(bit) P_PORT ^= _BV(bit) << (PWM_SHIFT)
  70
  71 #define PWM_RED 0
  72 #define PWM_GREEN 1
  73 #define PWM_BLUE 2
  74
  75 /* wait 100ms before checking INT pin (for delay_loop_2(50000)) */
  76 #define CONFIG_DELAY F_CPU/4/50000/10
  77 #define CONFIG_DELAY_LOOP2 50000
  78
  79 #endif