blob: e3b72e1a0ea7cfe1890405917b4df9363456b0ff [file] [log] [blame]
/**
* <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****/