src/main/pg/timerup.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 #if defined(USE_TIMER_MGMT) && (defined(STM32H7) || defined(STM32G4))
  26
  27 #include "drivers/dma_reqmap.h"
  28 #include "drivers/timer.h"
  29
  30 #include "timerup.h"
  31
  32 PG_REGISTER_ARRAY_WITH_RESET_FN(timerUpConfig_t, HARDWARE_TIMER_DEFINITION_COUNT, timerUpConfig, PG_TIMER_UP_CONFIG, 0);
  33
  34 void pgResetFn_timerUpConfig(timerUpConfig_t *config)
  35 {
  36     for (unsigned timno = 0; timno < HARDWARE_TIMER_DEFINITION_COUNT; timno++) {
  37         config[timno].dmaopt = DMA_OPT_UNUSED;
  38     }
  39
  40 #if USABLE_TIMER_CHANNEL_COUNT > 0
  41     // Scan target timerHardware and extract dma option for TIMUP
  42     for (unsigned i = 0; i < USABLE_TIMER_CHANNEL_COUNT; i++) {
  43         const timerHardware_t *timhw = &timerHardware[i];
  44         uint8_t timnum = timerGetTIMNumber(timhw->tim) - 1;
  45         config[timnum].dmaopt = dmaGetUpOptionByTimer(timhw);
  46     }
  47 #endif
  48 }
  49 #endif