src/main/pg/timerio.c

   1 /*
   2  * This file is part of Cleanflight and Betaflight.
   3  *
   4  * Cleanflight and Betaflight are free software. You can redistribute
   5  * this software and/or modify this software under the terms of the
   6  * GNU General Public License as published by the Free Software
   7  * Foundation, either version 3 of the License, or (at your option)
   8  * any later version.
   9  *
  10  * Cleanflight and Betaflight are distributed in the hope that they
  11  * will be useful, but WITHOUT ANY WARRANTY; without even the implied
  12  * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  13  * See the GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this software.
  17  *
  18  * If not, see <http://www.gnu.org/licenses/>.
  19  */
  20
  21 #include <string.h>
  22
  23 #include "platform.h"
  24
  25 #ifdef USE_TIMER_MGMT
  26
  27 #include "drivers/dma_reqmap.h"
  28 #include "drivers/timer.h"
  29
  30 #include "timerio.h"
  31
  32 /*
  33 Details of the TIMER_PIN_MAP macro:
  34     i => is the index in the PG timer IO config array,
  35     p => is the hardware pin to be mapped,
  36     o => is the hardware pin occurrence (1 based index) within timerHardware (full) that should be used
  37                 e.g. 1 = first occurence of the pin, 2 = second occurence, etc.
  38     d => the configured dma opt for the pin
  39 */
  40 #define TIMER_PIN_MAP(i, p, o, d)  \
  41         { config[i].ioTag = IO_TAG(p); config[i].index = o; config[i].dmaopt = d; }
  42
  43 PG_REGISTER_ARRAY_WITH_RESET_FN(timerIOConfig_t, MAX_TIMER_PINMAP_COUNT, timerIOConfig, PG_TIMER_IO_CONFIG, 0);
  44
  45 void pgResetFn_timerIOConfig(timerIOConfig_t *config)
  46 {
  47 #ifdef TIMER_PIN_MAPPING
  48     TIMER_PIN_MAPPING
  49 #else
  50     UNUSED(config);
  51 #endif
  52 }
  53 #endif