TIM_ForcedOC2Config(TIM1,TIM_ForcedAction_InActive);	TIM_SelectOCxM(TIM1,TIM_Channel_2,TIM_OCMode_Active);	TIM_SetCompare2(TIM1,50);	while(TIM_GetFlagStatus(TIM8, TIM_FLAG_Trigger) == RESET);	Delay(3000);	TIM_ForcedOC2Config(TIM1,TIM_ForcedAction_InActive);	TIM_SelectOCxM(TIM1,TIM_Channel_2,TIM_OCMode_Active);	TIM_SetCompare2(TIM1,400);	while(TIM_GetFlagStatus(TIM8, TIM_FLAG_Trigger) == RESET);	Delay(3000);