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- /**
- @copyright (C) COPYRIGHT 2022 Fortiortech Shenzhen
- @file MotorControlFunction.c
- @author Fortiortech Appliction Team
- @since Create:2021-11-07
- @date Last modify:2022-07-14
- @note Last modify author is Marcel He
- @brief
- */
- #include <MyProject.h>
- CurrentOffset xdata mcCurOffset; ///< 电流采样偏置电压采集缓存
- /**
- @brief 对FOC的相关寄存器进行配置,先清理寄存器,后配置,最后使能
- @exception 初始化FOC,需要先关闭DRVIVER,对FOC寄存器配置完成后,使能FOC再打开DRVIVER,否则可能导致第一拍电流采样错误
- @date 2022-07-14
- */
- void FOC_Init(void)
- {
- DRV_CMR = 0x0ABF; // UH/VH/WH UL/VL/WL 互补并使能
- /* 使能FOC */
- ClrBit(DRV_CR, DRVEN); // 关闭DRVIVER 计时器,防止第一拍采样出错
- ClrBit(DRV_CR, FOCEN);
- SetBit(DRV_CR, FOCEN);
- ClrBit(FOC_CR0, MERRS1);
- SetBit(FOC_CR0, MERRS0);
- FOC_EOMEKLPF = _Q8(1.0); // FOC内部 速度滤波系数
- /* 配置FOC寄存器 */
- FOC_CR1 = 0; // 清零 FOC_CR1
- FOC_CR2 = 0; // 清零 FOC_CR2
- FOC_IDREF = 0; // 清零 Id
- FOC_IQREF = 0; // 清零 Iq
- FOC__THETA = 0; // 清零 角度
- FOC_RTHEACC = 0; // 清零 爬坡函数的初始加速度
- FOC__RTHESTEP = 0; // 清零 爬坡速度
- FOC_RTHECNT = 0; // 清零 爬坡次数
- FOC_THECOMP = _Q15(0.0 / 180.0); // SMO 估算补偿角
- FOC_THECOR = 0x04; // 误差角度补偿
- /* 电流环参数配置 */
- FOC_DMAX = DOUTMAX;
- FOC_DMIN = DOUTMIN;
- FOC_QMAX = QOUTMAX;
- FOC_QMIN = QOUTMIN;
- /* 位置估算参数配置 */
- FOC_EK1 = OBS_K1T;
- FOC_EK2 = OBS_K2T;
- FOC_EK3 = OBS_K3T;
- FOC_EK4 = OBS_K4T;
- /* -----AO/PLL/SMO ----- */
- #if (EstimateAlgorithm == AO)
- {
- ClrBit(FOC_CR2, ESEL);
- FOC_KSLIDE = OBS_KSLIDE;
- FOC_EKLPFMIN = OBS_EA_KS;
- SetBit(FOC_CR0, ESCMS);
- SetBit(FOC_CR3, MFP_EN);
- }
- #elif (EstimateAlgorithm == SMO)
- {
- ClrBit(FOC_CR2, ESEL);
- FOC_KSLIDE = OBS_KSLIDE;
- FOC_EKLPFMIN = OBS_EA_KS;
- }
- #elif (EstimateAlgorithm == PLL)
- {
- SetBit(FOC_CR2, ESEL);
- FOC_KSLIDE = OBSE_PLLKP_GAIN;
- FOC_EKLPFMIN = OBSE_PLLKI_GAIN;
- }
- #endif
- FOC_FBASE = OBS_FBASE; // 由速度计算角度增量的系数
- FOC_OMEKLPF = SPEED_KLPF; // 估算器内速度低通滤波系数
- FOC_TGLI = PWM_TGLI_LOAD; // 死区配置
- SetBit(FOC_CR1, SVPWMEN); // SVPWM模式
-
-
- #if (IR_MODE == CCW)
- SetBit(DRV_CR, DDIR);
- #endif
-
- #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 = 0x0c; // 采样时刻在中点,一般考虑开关噪声影响,会设置延迟;
- // 如:0x0c表示延迟12个clock,提前用反码形式,如0x84表示提前12个clock。
- ClrBit(FOC_CR2, F5SEG); // 7段式,单电阻仅支持7段式
- }
- /* 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 Ib */
- #elif (Shunt_Resistor_Mode == Double_Resistor) // double resistor sample
- {
- SetReg(FOC_CR1, CSM0 | CSM1, CSM0);
- FOC_TSMIN = PWM_DT_LOAD; // 死区补偿值
- FOC_TRGDLY = 0x07; // ADC采样的时刻,采样时刻在计数器零点附近与单电阻不同
- // 如:0x83为下降沿结束前3个clock采样Ia 0x01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
- /*五段式或七段式选择*/
- #if (SVPMW_Mode == SVPWM_7_Segment)
- {
- ClrBit(FOC_CR2, F5SEG); // 7段式
- }
- #elif (SVPMW_Mode == SVPWM_5_Segment)
- {
- SetBit(FOC_CR2, F5SEG); // 5段式
- }
- #endif
- #if (DouRes_Sample_Mode == DouRes_1_Cycle)
- {
- ClrBit(FOC_CR2, DSS); // 7段式
- }
- #elif (DouRes_Sample_Mode == DouRes_2_Cycle)
- {
- SetBit(FOC_CR2, DSS); // 5段式
- }
- #endif //end DouRes_Sample_Mode
- }
- /*三电阻采样*/
- #elif (Shunt_Resistor_Mode == Three_Resistor) // signel resistor sample
- {
- SetReg(FOC_CR1, CSM0 | CSM1, CSM0 | CSM1); // 三电阻
- FOC_TSMIN = PWM_DT_LOAD; // 死区补偿值
- FOC_TRGDLY = 0x06; // ADC采样的时刻,采样时刻在计数器零点附近与单电阻不同。
- // 如:0x83为下降沿结束前3个clock采样Ia,0x01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
- /* 五段式或七段式选择 */
- #if (SVPMW_Mode == SVPWM_7_Segment)
- {
- ClrBit(FOC_CR2, F5SEG); // 7段式
- }
- #elif (SVPMW_Mode == SVPWM_5_Segment)
- {
- SetBit(FOC_CR2, F5SEG); // 5段式
- }
- #endif // end SVPMW_Mode
- #if (DouRes_Sample_Mode == DouRes_1_Cycle)
- {
- ClrBit(FOC_CR2, DSS); // 7段式
- }
- #elif (DouRes_Sample_Mode == DouRes_2_Cycle)
- {
- SetBit(FOC_CR2, DSS); // 5段式
- }
- #endif // end DouRes_Sample_Mode
- }
- #endif
-
- #if (Shunt_Resistor_Mode == Single_Resistor) // 单电阻校正
- {
- /*set ibus current sample offset*/
- SetReg(FOC_CR2, CSOC0 | CSOC1, 0x00);
- FOC_CSO = mcCurOffset.Iw_busOffset; // 写入Ibus的偏置
- }
- #elif (Shunt_Resistor_Mode == Double_Resistor) // 双电阻校正
- {
- /*set ia, ib current sample offset*/
- SetReg(FOC_CR2, CSOC0 | CSOC1, CSOC0);
- FOC_CSO = mcCurOffset.IuOffset; // 写入IA的偏置
-
- SetReg(FOC_CR2, CSOC0 | CSOC1, CSOC1);
- FOC_CSO = mcCurOffset.IvOffset; // 写入IB的偏置
- }
- #elif (Shunt_Resistor_Mode == Three_Resistor) // 三电阻校正
- {
- /*set ibus current sample offset*/
- SetReg(FOC_CR2, CSOC0 | CSOC1, CSOC0);
- FOC_CSO = mcCurOffset.IuOffset; // 写入IA的偏置
-
- SetReg(FOC_CR2, CSOC0 | CSOC1, CSOC1);
- FOC_CSO = mcCurOffset.IvOffset; // 写入IB的偏置
-
- SetReg(FOC_CR2, CSOC0 | CSOC1, 0x00);
- FOC_CSO = mcCurOffset.Iw_busOffset; // 写入IC的偏置
- }
- #endif
-
- /* -------------------------------------------------------------------------------------------------
- DRV_CTL:PWM来源选择
- OCS = 0, DRV_COMR
- OCS = 1, FOC/SVPWM/SPWM
- -------------------------------------------------------------------------------------------------*/
- /*计数器比较值来源FOC*/
- SetBit(DRV_CR, DRVEN); // 计数器使能 0-->Disable 1-->Enable
- SetBit(DRV_CR, OCS);
- }
- /**
- @brief 预充电分三步,第一步是对U相进行预充电,第二步是对V两相进行预充电;第三步是对W三相进行预充电。
- @brief 低压应用一般不需要预充电,在customer.h禁止预充电功能寄即可
- @exception 在低功率高压应用中,过流值较小,充电电流过大可能导致触发硬件过流, 需要注意检查
- @date 2022-07-14
- */
- void Motor_Charge(void)
- {
- if (McStaSet.SetFlag.ChargeSetFlag == 0)
- {
- McStaSet.SetFlag.ChargeSetFlag = 1;
- SetBit(DRV_CR, DRVEN); // 计数器使能 0-->Disable 1-->Enable
- DRV_DR = CHARGE_DUTY * DRV_ARR; //下桥臂10% duty
- DRV_CMR &= 0xffc0;
- /* -------------------------------------------------------------------------------------------------
- DRV_CTL:PWM来源选择
- OCS = 0, DRV_COMR
- OCS = 1, FOC/SVPWM/SPWM
- -------------------------------------------------------------------------------------------------*/
- ClrBit(DRV_CR, OCS);
- mcFocCtrl.ChargeStep = 0;
- }
-
- if ((mcFocCtrl.State_Count < CHARGE_TIME) && (mcFocCtrl.ChargeStep == 0))
- {
- mcFocCtrl.ChargeStep = 1;
- DRV_CMR |= 0x01; // U相下桥臂通
- MOE = 1;
- }
-
- if (( mcFocCtrl.State_Count <= (CHARGE_TIME << 1) / 3) && (mcFocCtrl.ChargeStep == 1))
- {
- mcFocCtrl.ChargeStep = 2;
- DRV_CMR |= 0x04; // V相下桥臂通
- }
-
- if ((mcFocCtrl.State_Count <= CHARGE_TIME / 3) && (mcFocCtrl.ChargeStep == 2))
- {
- mcFocCtrl.ChargeStep = 3;
- DRV_CMR |= 0x10; // W相下桥臂通
- }
- }
- /**
- @brief 开启次功能启动时候会将电机强拉到 设定角度,之后再启动
- @date 2022-07-14
- */
- 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 = ID_Align_CURRENT;
- FOC_IQREF = IQ_Align_CURRENT;
- FOC_DKP = DQKP_Alignment;
- FOC_DKI = DQKI_Alignment;
- FOC_QKP = DQKP_Alignment;
- FOC_QKI = DQKI_Alignment;
- FOC_EKP = OBSW_KP_GAIN_START;
- FOC_EKI = OBSW_KI_GAIN_START;
- SetBit(FOC_CR2, UDD);
- /*配置预定位角度*/
- FOC__THETA = Align_Angle1;
- /*********PLL或SMO**********/
- #if (EstimateAlgorithm == SMO )
- {
- FOC__ETHETA = FOC__THETA - 4096;
- }
- #else
- {
- FOC__ETHETA = FOC__THETA;
- }
- #endif //end EstimateAlgorithm
- /*使能输出*/
- // DRV_CMR |= 0x3F; // U、V、W相输出
- MOE = 1;
- }
- }
- /**
- @brief 静止启动配置函数
- @date 2022-07-14
- */
- void Motor_Static_Open(void)
- {
- FOC_Init();
- MOE = 1;
- FOC__THETA = mcFocCtrl.AngleStart;
- /*启动电流、KP、KI、FOC_EKP、FOC_EKI*/
- FOC_IDREF = ID_Start_CURRENT; // D轴启动电流
- FOC_DKP = DKPStart;
- FOC_DKI = DKIStart;
- FOC_QKP = QKPStart;
- FOC_QKI = QKIStart;
- FOC_EKP = OBSW_KP_GAIN_START;
- FOC_EKI = OBSW_KI_GAIN_START;
- /*启动方式选择*/
- #if (Open_Start_Mode == Omega_Start) // Omega 启动
- {
- FOC_EFREQACC = MOTOR_OMEGA_RAMP_ACC;
- FOC_EFREQMIN = MOTOR_OMEGA_RAMP_MIN;
- FOC_EFREQHOLD = MOTOR_OMEGA_RAMP_END;
- SetReg(FOC_CR1, EFAE | RFAE | ANGM, EFAE | ANGM);
- }
- #elif (Open_Start_Mode == Open_Start)
- {
- FOC_RTHEACC = MOTOR_OPEN_RAMP_ACC; // 爬坡函数的初始加速度
- FOC__RTHESTEP = MOTOR_OPEN_RAMP_MIN; // 0.62 degree acce speed
- FOC_RTHECNT = MOTOR_OPEN_RAMP_CNT; // acce time
- SetReg(FOC_CR1, EFAE | RFAE | ANGM, RFAE);
- }
- #elif (Open_Start_Mode == Open_Omega_Start)
- {
- FOC_RTHEACC = MOTOR_OPEN_RAMP_ACC; // 爬坡函数的初始加速度
- FOC__RTHESTEP = MOTOR_OPEN_RAMP_MIN; // 0.62 degree acce speed
- FOC_RTHECNT = MOTOR_OPEN_RAMP_CNT; // acce time
- FOC_EFREQACC = Motor_OMEGA_RAMP_ACC;
- FOC_EFREQMIN = MOTOR_OMEGA_RAMP_MIN;
- FOC_EFREQHOLD = MOTOR_OMEGA_RAMP_END;
- SetReg(FOC_CR1, EFAE | RFAE | ANGM, EFAE | RFAE | ANGM);
- }
- #endif //end Open_Start_Mode
- /*不同启动方式下,切换到MCRUN状态*/
- #if (Open_Start_Mode == Open_Start) //OPEN状态启动时拖动多次
- {
- mcFocCtrl.State_Count = 0;
- FOC_EKP = OBSW_KP_GAIN_RUN4; // 估算器里的PI的KP
- FOC_EKI = OBSW_KI_GAIN_RUN4; // 估算器里的PI的KI
- }
- #elif (Open_Start_Mode == Omega_Start)
- {
- /*********PLL或SMO**********/
- #if (EstimateAlgorithm == SMO || EstimateAlgorithm == AO)
- {
- mcFocCtrl.State_Count = ATO_START_HOLDTIME + (ATO_RAMP_PERIOD << 2); //ATO 爬坡控制时间
- }
- #elif (EstimateAlgorithm == PLL)
- {
- mcFocCtrl.State_Count = 0;
- FOC_EKP = OBSW_KP_GAIN_RUN4; // 估算器里的PI的KP
- FOC_EKI = OBSW_KI_GAIN_RUN4; // 估算器里的PI的KI
- }
- #endif
- }
- #endif
- FOC_IQREF = IQ_Start_CURRENT; // Q轴启动电流
- }
- /**
- @brief 三下桥刹车
- @date 2022-07-14
- */
- void MC_Break(void)
- {
- MOE = 1;
- ClrBit(DRV_CR, FOCEN); // 关闭FOC
- /* 软件设置PWM占空比输出以上桥为参考,配置为互补输出时下桥反向 */
- ClrBit(DRV_CR, OCS); // OCS = 0, DRV_COMR; OCS = 1, FOC/SVPWM/SPWM
- SetBit(DRV_CR, DRVEN); // 计数器使能 0-->Disable 1-->Enable
- DRV_CMR = 0x0015; // 关闭上桥输出,开启下桥输出
- DRV_DR = (DRV_ARR) + 4 ; // ARR+4为全开
- }
- /**
- @brief 控制变量上电初始化,包括保护参数的初始化、电机状态初始化
- @brief 上电只运行一次
- @date 2022-07-14
- */
- void MotorcontrolInit(void)
- {
- }
- /**
- @brief 上电时,先对硬件电路的电流进行采集,写入对应的校准寄存器中。
- 调试时,需观察mcCurOffset结构体中对应变量是否在范围内。采集结束后,OffsetFlag置1。
- @exception 默认循环1000次等待偏置电压稳定,需要注意若需要每次电机启动前都对偏置电压进行采样校准,
- 那么需要保证偏置电压是稳定的,且采样计数变量已被清零(重新进行1000次循环),否则可能导致采样出错
- @date 2022-07-14
- */
- void GetCurrentOffset(void)
- {
- SetBit(ADC_CR, ADCBSY); // 使能ADC
-
- while (ReadBit(ADC_CR, ADCBSY));
-
- #if (Shunt_Resistor_Mode == Single_Resistor) //单电阻模式
- {
- mcCurOffset.Iw_busOffsetSum += ((ADC4_DR & 0x7ff8));
- mcCurOffset.Iw_busOffset = mcCurOffset.Iw_busOffsetSum >> 4;
- mcCurOffset.Iw_busOffsetSum -= mcCurOffset.Iw_busOffset;
- mcCurOffset.IbusOffsetSum += ((ADC7_DR & 0x7ff8));
- mcCurOffset.IbusOffset = mcCurOffset.IbusOffsetSum >> 4;
- mcCurOffset.IbusOffsetSum -= mcCurOffset.IbusOffset;
- }
- #elif (Shunt_Resistor_Mode == Double_Resistor) //双电阻模式
- {
- 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;
- }
- #elif (Shunt_Resistor_Mode == Three_Resistor) //三电阻模式
- {
- 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_busOffsetSum += ((ADC4_DR & 0x7ff8));
- mcCurOffset.Iw_busOffset = mcCurOffset.Iw_busOffsetSum >> 4;
- mcCurOffset.Iw_busOffsetSum -= mcCurOffset.Iw_busOffset;
- }
- #endif
- mcCurOffset.OffsetCount++;
-
- if (mcCurOffset.OffsetCount > Calib_Time)
- {
- mcCurOffset.OffsetFlag = 1;
- #if (GetCurrentOffsetEnable)
- {
- Fault_GetCurrentOffset(); //偏置电压保护
- }
- #endif
- }
- }
- /**
- @brief 关闭输出,关闭FOC,电机切换到mcReady状态被调用一次
- @date 2022-07-14
- */
- void Motor_Ready(void)
- {
- if (McStaSet.SetFlag.CalibFlag == 0)
- {
- McStaSet.SetFlag.CalibFlag = 1;
- MOE = 0;
- ClrBit(DRV_CR, FOCEN);
- ClrBit(DRV_CR, DRVEN);
- mcCurOffset.OffsetFlag = 0;
- mcCurOffset.OffsetCount = 0; //偏置电压采集计数
- #if ( Shunt_Resistor_Mode == Single_Resistor)
- {
- SetBit(ADC_MASK, CH4EN | CH2EN); // 开启外部ADC采集偏置电压
- }
- #else
- {
- SetBit(ADC_MASK, CH4EN | CH2EN | CH1EN | CH0EN); // 开启外部ADC采集偏置电压
- }
- #endif
- }
- }
- /**
- @brief 电机初始化,对电机相关变量、PI进行初始化设置,关闭FOC所需要使用到的ADC
- @note 关闭FOC所需要使用到的ADC,FOC模块会自动调用相应ADC 无需外部使能
- @date 2022-07-14
- */
- void Motor_Init(void)
- {
- #if ( Shunt_Resistor_Mode == Single_Resistor)
- {
- ClrBit(ADC_MASK, CH4EN ); // 关闭软件电流采样的ADC FOC模块会自动调用相应ADC 无需外部使能
- }
- #else
- {
- ClrBit(ADC_MASK, CH4EN | CH1EN | CH0EN); // 关闭软件电流采样的ADC FOC模块会自动调用相应ADC 无需外部使能
- }
- #endif
- memset(&mcFocCtrl, 0, sizeof(FOCCTRL));
- //缺相变量清零
- McStaSet.SetMode = 0;
- mcFocCtrl.CtrlMode = 0;
- mcFocCtrl.ChargeStep = 0;
- mcFocCtrl.Flg_ATORampEnd = 0;
- /* -----电机功率参数初始化----- */
- Power_Currt = 0;
- HW_Zero_PI_Init();
- HW_One_PI_Init();
- HW_Two_PI_Init();
- HW_Three_PI_Init();
- // SoftPiInit();
- }
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