src/main/drivers/timer_impl.h

   1 /*
   2  * This file is part of INAV.
   3  *
   4  * INAV is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * INAV is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with INAV.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 #pragma once
  19
  20 #if defined(USE_HAL_DRIVER)
  21 #  define IMPL_TIM_IT_UPDATE_INTERRUPT      TIM_IT_UPDATE
  22 #  define TIM_IT_CCx(chIdx)                 (TIM_IT_CC1 << (chIdx))
  23 #else
  24 #  define IMPL_TIM_IT_UPDATE_INTERRUPT      TIM_IT_Update
  25 #  define TIM_IT_CCx(chIdx)                 (TIM_IT_CC1 << (chIdx))
  26 #endif
  27
  28 #define _TIM_IRQ_HANDLER2(name, i, j)                                   \
  29     void name(void)                                                     \
  30     {                                                                   \
  31         impl_timerCaptureCompareHandler(TIM ## i, timerCtx[i - 1]); \
  32         impl_timerCaptureCompareHandler(TIM ## j, timerCtx[j - 1]); \
  33     } struct dummy
  34
  35 #define _TIM_IRQ_HANDLER(name, i)                                       \
  36     void name(void)                                                     \
  37     {                                                                   \
  38         impl_timerCaptureCompareHandler(TIM ## i, timerCtx[i - 1]); \
  39     } struct dummy
  40
  41 uint8_t lookupTimerIndex(const TIM_TypeDef *tim);
  42 void impl_timerInitContext(timHardwareContext_t * timCtx);
  43
  44 volatile timCCR_t * impl_timerCCR(TCH_t * tch);
  45 void impl_timerCaptureCompareHandler(TIM_TypeDef *tim, timHardwareContext_t * timerCtx);
  46
  47 void impl_timerNVICConfigure(TCH_t * tch, int irqPriority);
  48 void impl_timerConfigBase(TCH_t * tch, uint16_t period, uint32_t hz);
  49 void impl_enableTimer(TCH_t * tch);
  50 void impl_timerEnableIT(TCH_t * tch, uint32_t interrupt);
  51 void impl_timerDisableIT(TCH_t * tch, uint32_t interrupt);
  52 void impl_timerClearFlag(TCH_t * tch, uint32_t flag);
  53 void impl_timerChConfigIC(TCH_t * tch, bool polarityRising, unsigned inputFilterTicks);
  54 void impl_timerChCaptureCompareEnable(TCH_t * tch, bool enable);
  55
  56 void impl_timerPWMConfigChannel(TCH_t * tch, uint16_t value);
  57 void impl_timerPWMStart(TCH_t * tch);
  58 bool impl_timerPWMConfigChannelDMA(TCH_t * tch, void * dmaBuffer, uint8_t dmaBufferElementSize, uint32_t dmaBufferElementCount);
  59 void impl_timerPWMPrepareDMA(TCH_t * tch, uint32_t dmaBufferElementCount);
  60 void impl_timerPWMStartDMA(TCH_t * tch);
  61 void impl_timerPWMStopDMA(TCH_t * tch);