/* Enables or disables the TIM Capture Compare Channel x.  */
void TIM_CCxCmd(TIM_TypeDef *TIMx, uint16_t TIM_Channel, uint16_t TIM_CCx)
/* Enables or disables the TIM Capture Compare Channel x.  */
void TIM_CCxCmd(TIM_TypeDef *TIMx, uint16_t TIM_Channel, uint16_t TIM_CCx)
{
    uint16_t tmp = 0;
    assert_param(IS_TIM_LIST4_PERIPH(TIMx)); 
    assert_param(IS_TIM_CCX(TIM_CCx));
    tmp = CCER_CCE_SET << TIM_Channel;
    TIMx->CCER &= (uint16_t)~ tmp; 
    TIMx->CCER |=  (uint16_t)(TIM_CCx << TIM_Channel);
}