void ADCTimInit() {
	RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1, ENABLE);

	TIM_TimeBaseInitTypeDef tim;
	TIM_TimeBaseStructInit( &tim );
	tim.TIM_Period = 2;
	tim.TIM_Prescaler = 1;
	TIM_TimeBaseInit( ADC_TIM, &tim );

	TIM_OCInitTypeDef oc;
	TIM_OCStructInit( &oc );
	oc.TIM_OCMode = TIM_OCMode_PWM1;
	oc.TIM_OutputState = TIM_OutputState_Enable;
	//oc.TIM_OCPolarity = TIM_OCPolarity_Low;
	oc.TIM_Pulse = 1;
	TIM_OC1Init(ADC_TIM, &oc);

	TIM_CtrlPWMOutputs(ADC_TIM, ENABLE);

	TIM_Cmd(ADC_TIM, ENABLE);
}