#include CurrentOffset xdata mcCurOffset; void FOC_Init(void) { DRV_CMR = 0x0ABF; // 使能FOC ClrBit(DRV_CR, DRVEN); ClrBit(DRV_CR, FOCEN); SetBit(DRV_CR, FOCEN); SetBit(FOC_CR0, MERRS1 | MERRS0); FOC_EOMEKLPF = 0xff; //速度滤波系数,值越小滤波深度越深 FOC_KFG = 0; //FG计算系数 = 6M(TIM4分频结果)/640(FBase) // 配置FOC寄存器 FOC_CR1 = 0; FOC_CR2 = 0; FOC_IDREF = 0; FOC_IQREF = 0; FOC__THETA = 0; FOC_RTHEACC = 0; FOC__RTHESTEP = 0; FOC_RTHECNT = 0; // FOC_THECOMP = Start_FOC_THECOMP; // SMO 估算补偿角 FOC_THECOR = 0x02; // 误差角度补偿 mcFocCtrl.STT_FOC_THECOMP = Start_FOC_THECOMP; // 电流环参数配置 FOC_DKP = DQKP; FOC_DKI = DQKI; FOC_QKP = DQKP; FOC_QKI = DQKI; FOC_ID_LPFK = 250; FOC_IQ_LPFK = 250; FOC_DMAX = DOUTMAX; FOC_DMIN = DOUTMIN; FOC_QMAX = QOUTMAX; FOC_QMIN = QOUTMIN; SetBit(FOC_CR0, ESCMS); // 估算器配置 #if (EstimateAlgorithm == SMO) ClrBit(FOC_CR2, ESEL); ClrBit(FOC_CR3, MFP_EN); #elif (EstimateAlgorithm == AO) SetBit(FOC_CR3, MFP_EN); ClrBit(FOC_CR2, ESEL); #elif (EstimateAlgorithm == PLL) ClrBit(FOC_CR3, MFP_EN); SetBit(FOC_CR2, ESEL); FOC_KSLIDE = OBSE_PLLKP_GAIN1; FOC_EKLPFMIN = OBSE_PLLKI_GAIN1; #endif FOC_EK1 = OBS_K1T; FOC_EK2 = OBS_K2T; FOC_EK3 = OBS_K3T; FOC_EK4 = OBS_K4T; FOC_KSLIDE = OBS_KSLIDE; FOC_EKLPFMIN = OBS_EA_KS; FOC_FBASE = OBS_FBASE; FOC_OMEKLPF = SPEED_KLPF; FOC_TGLI = PWM_TGLI_LOAD; SetBit(FOC_CR1, SVPWMEN); // 转向配置 #if (IRMODE) SetBit(DRV_CR, DDIR); #else ClrBit(DRV_CR, DDIR); #endif // 过调制 #if (OverModulation) SetBit(FOC_CR1, OVMDL); #endif // 单电阻采样;需要最小采样窗,FOC_TRGDLY为0,七段式SVPWM方式 #if (Shunt_Resistor_Mode == Single_Resistor) { SetReg(FOC_CR1, CSM0 | CSM1, 0x00); FOC_TSMIN = PWM_TS_LOAD; // 最小采样窗口 FOC_TRGDLY = 0x3B; // 采样时刻在中点,一般考虑开关噪声影响,会设置延迟;3B // SVPWM 配置 #if (SVPMW_Mode == SVPWM_7_Segment) ClrBit(FOC_CR2, F5SEG); #elif (SVPMW_Mode == SVPWM_5_Segment) SetBit(FOC_CR2, F5SEG); #endif } // 双电阻采样,可设置死区补偿值,在下降沿结束前开始采样Ia,配置81 #elif (Shunt_Resistor_Mode == Double_Resistor) { SetReg(FOC_CR1, CSM0 | CSM1, CSM0); FOC_TSMIN = PWM_DT_LOAD; // 死区补偿值 FOC_TRGDLY = 0x05; // ADC采样的时刻,采样时刻在计数器零点附近,83为下降沿结束前3个clock采样Ia,与单电阻不同 // 01为上升沿开始后第一个clock开始采样。根据实际情况调整。 FOC_TBLO = PWM_DLOWL_TIME; //下桥臂最小脉冲,保证采样 // SVPWM 配置 #if (SVPMW_Mode == SVPWM_7_Segment) ClrBit(FOC_CR2, F5SEG); #elif (SVPMW_Mode == SVPWM_5_Segment) SetBit(FOC_CR2, F5SEG); #endif // 采样配置 #if (DouRes_Sample_Mode == DouRes_1_Cycle) ClrBit(FOC_CR2, DSS); #elif (DouRes_Sample_Mode == DouRes_2_Cycle) SetBit(FOC_CR2, DSS); #endif } // 三电阻采样 #elif (Shunt_Resistor_Mode == Three_Resistor) { SetReg(FOC_CR1, CSM0 | CSM1, CSM0 | CSM1); FOC_TSMIN = PWM_DT_LOAD; // 死区补偿值 FOC_TRGDLY = 0x08; // ADC采样的时刻,采样时刻在计数器零点附近,83为下降沿结束前3个clock采样Ia,与单电阻不同。 // 01为上升沿开始后第一个clock开始采样。根据实际情况调整。 FOC_TBLO = PWM_OVERMODULE_TIME; // 过调制电流采样处理的TB脉宽 // SVPWM 配置 #if (SVPMW_Mode == SVPWM_7_Segment) ClrBit(FOC_CR2, F5SEG); #elif (SVPMW_Mode == SVPWM_5_Segment) SetBit(FOC_CR2, F5SEG); #endif // 采样配置 #if (DouRes_Sample_Mode == DouRes_1_Cycle) ClrBit(FOC_CR2, DSS); #elif (DouRes_Sample_Mode == DouRes_2_Cycle) SetBit(FOC_CR2, DSS); #endif } #endif // 写入电流偏置 #if (CalibENDIS) { if (mcCurOffset.OffsetFlag) { #if (Shunt_Resistor_Mode == Single_Resistor) SetReg(FOC_CR2, CSOC0 | CSOC1, 0x00); FOC_CSO = mcCurOffset.Iw_busOffset; #elif (Shunt_Resistor_Mode == Double_Resistor) SetReg(FOC_CR2, CSOC0 | CSOC1, CSOC0); FOC_CSO = mcCurOffset.IuOffset; SetReg(FOC_CR2, CSOC0 | CSOC1, CSOC1); FOC_CSO = mcCurOffset.IvOffset; #elif (Shunt_Resistor_Mode == Three_Resistor) { SetReg(FOC_CR2, CSOC0 | CSOC1, CSOC0); FOC_CSO = mcCurOffset.IuOffset; SetReg(FOC_CR2, CSOC0 | CSOC1, CSOC1); FOC_CSO = mcCurOffset.IvOffset; SetReg(FOC_CR2, CSOC0 | CSOC1, 0x00); FOC_CSO = mcCurOffset.Iw_busOffset; } #endif } } #endif SetBit(DRV_CR, DRVEN); SetBit(DRV_CR, OCS); } /*---------------------------------------------------------------------------*/ /* Name : void Motor_Align(void) /* Input : NO /* Output : NO /* Description: 预定位函数,当无逆风判断时,采用预定位固定初始位置;当有逆风判断时,采用预定位刹车 /*---------------------------------------------------------------------------*/ void Motor_Align(void) { if (McStaSet.SetFlag.AlignSetFlag == 0) { McStaSet.SetFlag.AlignSetFlag = 1; // FOC初始化 FOC_Init(); // 配置预定位的电流、KP、KI FOC_IDREF = 0; FOC_IQREF = 0; FOC_DKP = DQKP_Alignment; FOC_DKI = DQKI_Alignment; FOC_QKP = DQKP_Alignment; FOC_QKI = DQKI_Alignment; FOC_EKP = OBSW_KP_GAIN; FOC_EKI = OBSW_KI_GAIN; // 配置预定位角度 #if (EstimateAlgorithm == SMO) FOC__ETHETA = FOC__THETA - 4836; #elif (EstimateAlgorithm == PLL) FOC__ETHETA = FOC__THETA; #endif DRV_CMR |= 0x03F; MOE = 1; } if (mcFocCtrl.State_Count > (AlignmentHoldTime1 + AlignmentHoldTime2)) { mcFocCtrl.CurrentAlignStatus = 0; FOC__THETA = Align_Angle1; FOC_IQREF = ID_Align_CURRENT_End * (Align_Time - mcFocCtrl.State_Count) / AlignmentRampTime; } else if (mcFocCtrl.State_Count > AlignmentHoldTime2) { mcFocCtrl.CurrentAlignStatus = 1; FOC__THETA = Align_Angle1; FOC_IQREF = ID_Align_CURRENT_End; } else if (mcFocCtrl.State_Count > 0) { mcFocCtrl.CurrentAlignStatus = 2; FOC__THETA = Align_Angle2; FOC_IQREF = ID_Align_CURRENT_End; } else { mcState = mcStart; } } /*---------------------------------------------------------------------------*/ /* Name : void Motor_Open(void) /* Input : NO /* Output : NO /* Description: 开环启动的参数配置 /*---------------------------------------------------------------------------*/ void Motor_Open(void) { static uint8 OpenRampCycles; // FOC_Init(); // 启动角度 // FOC__THETA = _Q15((float)0.0 / 180.0); #if ((EstimateAlgorithm == SMO)||(EstimateAlgorithm == AO)) FOC__ETHETA = FOC__THETA - 4836; //SMO估算角度延迟 #elif (EstimateAlgorithm == PLL) FOC__ETHETA = FOC__THETA; #endif FOC__EOME = 0; // 配置参数 FOC_IDREF = 0; FOC_DKP = DQKPStart; FOC_DKI = DQKIStart; FOC_QKP = DQKPStart; FOC_QKI = DQKIStart; FOC_EKP = OBSW_KP_GAIN; FOC_EKI = OBSW_KI_GAIN; /// 启动方式选择 #if (Open_Start_Mode == Omega_Start) FOC_EFREQACC = Motor_OMEGA_RAMP_ACC; FOC_EFREQMIN = MOTOR_OMEGA_ACC_MIN; FOC_EFREQHOLD = MOTOR_OMEGA_ACC_END; SetReg(FOC_CR1, EFAE | RFAE | ANGM, EFAE | ANGM); #if (IFFDebugg) { // 估算器禁止输出 ClrBit(FOC_CR1, EFAE); // 禁止估算器强制输出 ClrBit(FOC_CR1, RFAE); // 使能强拉 ClrBit(FOC_CR1, ANGM); // 禁止估算器输出 } #endif #elif (Open_Start_Mode == Open_Start) FOC_RTHEACC = MOTOR_OPEN_ACC; FOC__RTHESTEP = MOTOR_OPEN_ACC_MIN; FOC_RTHECNT = MOTOR_OPEN_ACC_CNT; SetReg(FOC_CR1, EFAE | RFAE | ANGM, RFAE); #elif (Open_Start_Mode == Open_Omega_Start) FOC_RTHEACC = MOTOR_OPEN_ACC; FOC__RTHESTEP = MOTOR_OPEN_ACC_MIN; FOC_RTHECNT = MOTOR_OPEN_ACC_CNT; FOC_EFREQACC = Motor_OMEGA_RAMP_ACC; FOC_EFREQMIN = MOTOR_OMEGA_ACC_MIN; FOC_EFREQHOLD = MOTOR_OMEGA_ACC_END; SetReg(FOC_CR1, EFAE | RFAE | ANGM, EFAE | RFAE | ANGM); #endif // 不同启动方式下,切换到MCRUN状态 #if (Open_Start_Mode == Open_Start) if (OpenRampCycles < (MOTOR_OPEN_ACC_CYCLE - 1)) { if (!ReadBit(FOC_CR1, RFAE)) { SetBit(FOC_CR1, RFAE); OpenRampCycles++; } } else { mcFocCtrl.State_Count = 2; mcState = mcRun; } FOC_EKP = OBSW_KP_GAIN_RUN4; FOC_EKI = OBSW_KI_GAIN_RUN4; #elif (Open_Start_Mode == Open_Omega_Start) mcFocCtrl.State_Count = 2600; mcState = mcRun; #elif (Open_Start_Mode == Omega_Start) mcFocCtrl.State_Count = 1200; mcState = mcRun; #endif // Q轴启动电流 FOC_IQREF = IQ_Start_CURRENT ; } /** @function Get_Current_Offset @brief 采集电流偏置 @date 2025-11-03 */ void Get_Current_Offset(void) { if (!mcCurOffset.OffsetFlag) { SetBit(ADC_CR, ADCBSY); // 使能ADC while (ReadBit(ADC_CR, ADCBSY)); mcCurOffset.IuOffsetSum += ((ADC0_DR & 0x7ff8)); mcCurOffset.IuOffset = mcCurOffset.IuOffsetSum >> 4; mcCurOffset.IuOffsetSum -= mcCurOffset.IuOffset; mcCurOffset.IvOffsetSum += ((ADC1_DR & 0x7ff8)); mcCurOffset.IvOffset = mcCurOffset.IvOffsetSum >> 4; mcCurOffset.IvOffsetSum -= mcCurOffset.IvOffset; mcCurOffset.Iw_busOffset = mcCurOffset.IvOffset; mcCurOffset.OffsetCount++; if (mcCurOffset.OffsetCount > 1000) { if (((mcCurOffset.IuOffset > 19959) || (mcCurOffset.IuOffset < 10107)) || ((mcCurOffset.IvOffset > 19959) || (mcCurOffset.IvOffset < 10107))) { mcFaultSource = FaultIbusOffset;//进入偏置电压错误保护 FaultProcess(); } else { mcCurOffset.OffsetFlag = 1; } } } }