/**
  * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
  *
  * Redistribution and use in source and binary forms, with or without modification,
  * are permitted provided that the following conditions are met:
  *   1. Redistributions of source code must retain the above copyright notice,
  *      this list of conditions and the following disclaimer.
  *   2. Redistributions in binary form must reproduce the above copyright notice,
  *      this list of conditions and the following disclaimer in the documentation
  *      and/or other materials provided with the distribution.
  *   3. Neither the name of STMicroelectronics nor the names of its contributors
  *      may be used to endorse or promote products derived from this software
  *      without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */

#include "os/mynewt.h"
#include "mcu/stm32_hal.h"

/* XXX: Included functions are copied verbatim from stm32l0xx_hal_tim.c
 * because they are defined in STM32Cube L0 as static functions.
 */
#if MYNEWT_VAL(MCU_STM32L0)
#include "stm32l0xx_hal.h"

void TIM_Base_SetConfig(TIM_TypeDef *TIMx, TIM_Base_InitTypeDef *Structure)
{
  uint32_t tmpcr1 = 0U;
  tmpcr1 = TIMx->CR1;

  /* Set TIM Time Base Unit parameters ---------------------------------------*/
  if(IS_TIM_CC1_INSTANCE(TIMx) != RESET)
  {
    /* Select the Counter Mode */
    tmpcr1 &= ~(TIM_CR1_DIR | TIM_CR1_CMS);
    tmpcr1 |= Structure->CounterMode;
  }

  if(IS_TIM_CC1_INSTANCE(TIMx) != RESET)  
  {
    /* Set the clock division */
    tmpcr1 &= ~TIM_CR1_CKD;
    tmpcr1 |= (uint32_t)Structure->ClockDivision;
  }

  TIMx->CR1 = tmpcr1;

  /* Set the Autoreload value */
  TIMx->ARR = (uint32_t)Structure->Period ;

  /* Set the Prescaler value */
  TIMx->PSC = (uint32_t)Structure->Prescaler;

  /* Generate an update event to reload the Prescaler value immediatly */
  TIMx->EGR = TIM_EGR_UG;
}

void TIM_CCxChannelCmd(TIM_TypeDef *TIMx, uint32_t Channel, uint32_t ChannelState)
{
  uint32_t tmp = 0U;

  /* Check the parameters */
  assert_param(IS_TIM_CCX_INSTANCE(TIMx,Channel));

  tmp = TIM_CCER_CC1E << Channel;

  /* Reset the CCxE Bit */
  TIMx->CCER &= ~tmp;

  /* Set or reset the CCxE Bit */
  TIMx->CCER |= (uint32_t)(ChannelState << Channel);
}

#endif

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/