var_vhz_wx.c

f2407:电机控制

/*---------------------------------------------------------------------------------
Constants and variables definition for VHz_wx.c
----------------------------------------------------------------------------------*/
#define T_pwm 0x7D0					//载波频率period register of full PWM module, for 40M Tosc, 100uS period, the T_pwm=(100e-6/(1/40e9))/2=2000=0x7d0
#define k_theta 0xF83D				//载波频率变化则修改此值refer to freq_theta.c
#define sincos_inv_step 0xB4		//refer to sincos.asm
#define sincos_k_cos 90				//refer to sincos.asm
//#define vHz_slope_init 0x49D		//刘和平:虎溪－－恒压频比系数 380V65HZ=slope=2^12*vref/frequence=2^12*0x1000/0x3777=0x49D 
//65HZ;最高频率300HZ

//#define vHz_slope_init 0x449        //slope between voltage and frequence in the VHz control
									//for rating voltage, vref=0x1000, and rating freuqence=0x3BBB(70hz)
									// slope=2^12*vref/frequence=2^12*0x1000/0x3BBB=0x449
//70HZ;最高频率300HZ

//#define vHz_slope_init 0x600       //slope between voltage and frequence in the VHz control
									//for rating voltage, vref=0x1000, and rating freuqence=0x2AAA(50hz)
//50HZ;最高频率300HZ				// slope=2^12*vref/frequence=2^12*0x1000/0x2AAA=0X600


#define vHz_slope_init 0x500       //slope between voltage and frequence in the VHz control
									//for rating voltage, vref=0x1000, and rating freuqence=0x3333(60hz)
									// slope=2^12*vref/frequence=2^12*0x1000/0x3333=0x500				// 50=5ms speed control period  10=1ms
//60HZ;最高频率300HZ                // 
#define frequence_min 0x1111		// 2^16*f/300=0X1111 minimum frequence saturation, 20Hz
                             		// minimum frequence saturation, 20Hz
#define mailbox3_refresh 1000		// 100ms period for refreshing maibox3.A
#define speed_period 10				// 50=5ms speed control period  10=1ms

freq_theta_struct freq_theta_out;
polar_rect polar_rect_out;

sincos_struct sincos_out;
softsvpwm svpwm_out;
vhz_volt vhz_volt_out;
typedef struct
{	unsigned int freq_ref_max;				//maximum of frequence reference
	unsigned int freq_ref;					//frequence reference
}freq_ref_struct;

freq_ref_struct freq_ref_out;
typedef struct
{	
	unsigned int freq_ref_slope;
}freq_ref_slope_struct;
freq_ref_slope_struct freq_ref_slope_out;


typedef struct
{	unsigned int timer;			//software timer
	unsigned int can_timer;		//timer for mailbox3A refreshing
	unsigned int speed_timer;	//timer for speed control 
	unsigned int key_timer;     //按键去抖动定时器2005-10-21
}softtimer;						//structure for software timers
softtimer soft_timer;

unsigned	int speed=0;					//motor speed	
unsigned	int	ipmfault=0;	  
unsigned	int	flagflag=0;
	                                            
unsigned	int	flagspeedchang=0;

float fspeed=0.0;