#define F_u 50
#define T_t (1/F_u)
#define alpha_max 180
#define alpha_min 0
#define steps 20

#define TIM_PRESCAL 8
#define TIM_PERIOD 10000
#define TIM_F 	(8000000/TIM_PRESCAL)
#define TIM_UPD_F 	(8000000/TIM_PRESCAL/TIM_PERIOD)
#define Tstab 	1


//#define alpha2cnt(_alpha_) 		((_alpha_)*Ft/(2*180)/f)
#define alpha2cnt(_alpha_) 		(uint16_t)(TIM_PERIOD*(_alpha_)/180)
#define UpdatePWM(_alpha_)		TIM1->CCR1 = alpha2cnt(_alpha_); TIM2->CCR1 = alpha2cnt(_alpha_); TIM3->CCR1 = alpha2cnt(_alpha_)