MotorControlFunction.c 24 KB

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  1. /**
  2. @copyright (C) COPYRIGHT 2022 Fortiortech Shenzhen
  3. @file MotorControlFunction.c
  4. @author Fortiortech Appliction Team
  5. @since Create:2021-11-07
  6. @date Last modify:2022-07-14
  7. @note Last modify author is Marcel He
  8. @brief
  9. */
  10. #include <MyProject.h>
  11. CurrentOffset xdata mcCurOffset; ///< 电流采样偏置电压采集缓存
  12. /**
  13. @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
  14. @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
  15. @date 2022-07-14
  16. */
  17. void FOC_Init(void)
  18. {
  19. DRV_CMR = 0x0ABF; // UH/VH/WH UL/VL/WL 互补并使能
  20. /* 使能FOC */
  21. ClrBit(DRV_CR, DRVEN); // 关闭DRVIVER 计时器,防止第一拍采样出错
  22. ClrBit(DRV_CR, FOCEN);
  23. SetBit(DRV_CR, FOCEN);
  24. ClrBit(FOC_CR0, MERRS1);
  25. SetBit(FOC_CR0, MERRS0);
  26. FOC_EOMEKLPF = _Q8(1.0); // FOC内部 速度滤波系数
  27. /* 配置FOC寄存器 */
  28. FOC_CR1 = 0; // 清零 FOC_CR1
  29. FOC_CR2 = 0; // 清零 FOC_CR2
  30. FOC_IDREF = 0; // 清零 Id
  31. FOC_IQREF = 0; // 清零 Iq
  32. FOC__THETA = 0; // 清零 角度
  33. FOC_RTHEACC = 0; // 清零 爬坡函数的初始加速度
  34. FOC__RTHESTEP = 0; // 清零 爬坡速度
  35. FOC_RTHECNT = 0; // 清零 爬坡次数
  36. FOC_THECOMP = _Q15(-15.0 / 180.0); // SMO 估算补偿角
  37. FOC_THECOR = 0x04; // 误差角度补偿
  38. /* 电流环参数配置 */
  39. FOC_DMAX = DOUTMAX;
  40. FOC_DMIN = DOUTMIN;
  41. FOC_QMAX = QOUTMAX;
  42. FOC_QMIN = QOUTMIN;
  43. /* 位置估算参数配置 */
  44. FOC_EK1 = OBS_K1T;
  45. FOC_EK2 = OBS_K2T;
  46. FOC_EK3 = OBS_K3T;
  47. FOC_EK4 = OBS_K4T;
  48. /* -----AO/PLL/SMO ----- */
  49. #if (EstimateAlgorithm == AO)
  50. {
  51. ClrBit(FOC_CR2, ESEL);
  52. FOC_KSLIDE = OBS_KSLIDE;
  53. FOC_EKLPFMIN = OBS_EA_KS;
  54. SetBit(FOC_CR0, ESCMS);
  55. SetBit(FOC_CR3, MFP_EN);
  56. }
  57. #elif (EstimateAlgorithm == SMO)
  58. {
  59. ClrBit(FOC_CR2, ESEL);
  60. FOC_KSLIDE = OBS_KSLIDE;
  61. FOC_EKLPFMIN = OBS_EA_KS;
  62. }
  63. #elif (EstimateAlgorithm == PLL)
  64. {
  65. SetBit(FOC_CR2, ESEL);
  66. FOC_KSLIDE = OBSE_PLLKP_GAIN;
  67. FOC_EKLPFMIN = OBSE_PLLKI_GAIN;
  68. }
  69. #else
  70. {
  71. #error " EstimateAlgorithm ERR"
  72. }
  73. #endif
  74. FOC_FBASE = OBS_FBASE; // 由速度计算角度增量的系数
  75. FOC_OMEKLPF = SPEED_KLPF; // 估算器内速度低通滤波系数
  76. FOC_TGLI = PWM_TGLI_LOAD; // 死区配置
  77. SetBit(FOC_CR1, SVPWMEN); // SVPWM模式
  78. if (mcFocCtrl.FR == CW)
  79. {
  80. ClrBit(DRV_CR, DDIR); // 反转标志位
  81. }
  82. else
  83. {
  84. SetBit(DRV_CR, DDIR); // 反转标志位
  85. }
  86. /* 过调制 */
  87. #if (OverModulation == Enable)
  88. {
  89. SetBit(FOC_CR1, OVMDL); // 过调制
  90. }
  91. #endif // end OverModulation
  92. /* 单电阻采样; 需要最小采样窗,FOC_TRGDLY为0,七段式SVPWM方式 */
  93. #if (Shunt_Resistor_Mode == Single_Resistor)
  94. {
  95. SetReg(FOC_CR1, CSM0 | CSM1, 0x00);
  96. FOC_TSMIN = PWM_TS_LOAD; // 最小采样窗口
  97. FOC_TRGDLY = 0x15; // 采样时刻在中点,一般考虑开关噪声影响,会设置延迟;
  98. // 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。
  99. ClrBit(FOC_CR2, F5SEG); // 7段式,单电阻仅支持7段式
  100. }
  101. /* 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 */
  102. #elif (Shunt_Resistor_Mode == Double_Resistor) // double resistor sample
  103. {
  104. SetReg(FOC_CR1, CSM0 | CSM1, CSM0);
  105. FOC_TSMIN = PWM_DT_LOAD; // 死区补偿值
  106. 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
  107. // 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。
  108. FOC_TBLO = PWM_DLOWL_TIME; // 下桥臂最小脉冲,保证采样
  109. /*五段式或七段式选择*/
  110. #if (SVPMW_Mode == SVPWM_7_Segment)
  111. {
  112. ClrBit(FOC_CR2, F5SEG); // 7段式
  113. }
  114. #elif (SVPMW_Mode == SVPWM_5_Segment)
  115. {
  116. SetBit(FOC_CR2, F5SEG); // 5段式
  117. }
  118. #endif
  119. #if (DouRes_Sample_Mode == DouRes_1_Cycle)
  120. {
  121. ClrBit(FOC_CR2, DSS); // 7段式
  122. }
  123. #elif (DouRes_Sample_Mode == DouRes_2_Cycle)
  124. {
  125. SetBit(FOC_CR2, DSS); // 5段式
  126. }
  127. #endif // end DouRes_Sample_Mode
  128. }
  129. /*三电阻采样*/
  130. #elif (Shunt_Resistor_Mode == Three_Resistor) // signel resistor sample
  131. {
  132. SetReg(FOC_CR1, CSM0 | CSM1, CSM0 | CSM1); // 三电阻
  133. FOC_TSMIN = PWM_DT_LOAD; // 死区补偿值
  134. 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。
  135. // 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。
  136. FOC_TBLO = PWM_OVERMODULE_TIME; // 过调制电流采样处理的TB脉宽
  137. /* 五段式或七段式选择 */
  138. #if (SVPMW_Mode == SVPWM_7_Segment)
  139. {
  140. ClrBit(FOC_CR2, F5SEG); // 7段式
  141. }
  142. #elif (SVPMW_Mode == SVPWM_5_Segment)
  143. {
  144. SetBit(FOC_CR2, F5SEG); // 5段式
  145. }
  146. #endif // end SVPMW_Mode
  147. #if (DouRes_Sample_Mode == DouRes_1_Cycle)
  148. {
  149. ClrBit(FOC_CR2, DSS); // 7段式
  150. }
  151. #elif (DouRes_Sample_Mode == DouRes_2_Cycle)
  152. {
  153. SetBit(FOC_CR2, DSS); // 5段式
  154. }
  155. #endif // end DouRes_Sample_Mode
  156. }
  157. #endif // end Shunt_Resistor_Mode
  158. /* 使能电流基准校正 */
  159. #if (CalibENDIS == Enable)
  160. {
  161. if (mcCurOffset.OffsetFlag == 1)
  162. {
  163. #if (Shunt_Resistor_Mode == Single_Resistor) // 单电阻校正
  164. {
  165. /*set ibus current sample offset*/
  166. SetReg(FOC_CR2, CSOC0 | CSOC1, 0x00);
  167. FOC_CSO = mcCurOffset.Iw_busOffset; // 写入Ibus的偏置
  168. }
  169. #elif (Shunt_Resistor_Mode == Double_Resistor) // 双电阻校正
  170. {
  171. /*set ia, ib current sample offset*/
  172. SetReg(FOC_CR2, CSOC0 | CSOC1, CSOC0);
  173. FOC_CSO = mcCurOffset.IuOffset; // 写入IA的偏置
  174. SetReg(FOC_CR2, CSOC0 | CSOC1, CSOC1);
  175. FOC_CSO = mcCurOffset.IvOffset; // 写入IB的偏置
  176. }
  177. #elif (Shunt_Resistor_Mode == Three_Resistor) // 三电阻校正
  178. {
  179. /*set ibus current sample offset*/
  180. SetReg(FOC_CR2, CSOC0 | CSOC1, CSOC0);
  181. FOC_CSO = mcCurOffset.IuOffset; // 写入IA的偏置
  182. SetReg(FOC_CR2, CSOC0 | CSOC1, CSOC1);
  183. FOC_CSO = mcCurOffset.IvOffset; // 写入IB的偏置
  184. SetReg(FOC_CR2, CSOC0 | CSOC1, 0x00);
  185. FOC_CSO = mcCurOffset.Iw_busOffset; // 写入IC的偏置
  186. }
  187. #endif // end Shunt_Resistor_Mode
  188. }
  189. }
  190. #endif // end CalibENDIS
  191. /* -------------------------------------------------------------------------------------------------
  192. DRV_CTL:PWM来源选择
  193. OCS = 0, DRV_COMR
  194. OCS = 1, FOC/SVPWM/SPWM
  195. -------------------------------------------------------------------------------------------------*/
  196. /*计数器比较值来源FOC*/
  197. SetBit(DRV_CR, DRVEN); // 计数器使能 0-->Disable 1-->Enable
  198. SetBit(DRV_CR, OCS);
  199. }
  200. /**
  201. @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。
  202. @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
  203. @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
  204. @date 2022-07-14
  205. */
  206. void Motor_Charge(void)
  207. {
  208. if (McStaSet.SetFlag.ChargeSetFlag == 0)
  209. {
  210. McStaSet.SetFlag.ChargeSetFlag = 1;
  211. SetBit(DRV_CR, DRVEN); // 计数器使能 0-->Disable 1-->Enable
  212. DRV_DR = (1.0 - CHARGE_DUTY) * DRV_ARR; // 下桥臂10% duty
  213. DRV_CMR &= 0x0000;
  214. /* -------------------------------------------------------------------------------------------------
  215. DRV_CTL:PWM来源选择
  216. OCS = 0, DRV_COMR
  217. OCS = 1, FOC/SVPWM/SPWM
  218. -------------------------------------------------------------------------------------------------*/
  219. ClrBit(DRV_CR, OCS);
  220. mcFocCtrl.ChargeStep = 0;
  221. }
  222. if ((mcFocCtrl.State_Count < CHARGE_TIME) && (mcFocCtrl.ChargeStep == 0))
  223. {
  224. mcFocCtrl.ChargeStep = 1;
  225. DRV_CMR |= 0x01; // U相下桥臂通
  226. MOE = 1;
  227. }
  228. if ((mcFocCtrl.State_Count <= (CHARGE_TIME - 20)) && (mcFocCtrl.ChargeStep == 1))
  229. {
  230. mcFocCtrl.ChargeStep = 2;
  231. DRV_CMR |= 0x04; // V相下桥臂通
  232. }
  233. if ((mcFocCtrl.State_Count <= (CHARGE_TIME - 40)) && (mcFocCtrl.ChargeStep == 2))
  234. {
  235. mcFocCtrl.ChargeStep = 3;
  236. DRV_CMR |= 0x10; // W相下桥臂通
  237. }
  238. if ((mcFocCtrl.State_Count <= (CHARGE_TIME - 60)) && (mcFocCtrl.ChargeStep == 3))
  239. {
  240. mcFocCtrl.ChargeStep = 4;
  241. // DRV_CMR &= 0x0000;
  242. // DRV_CMR = 0x0ABF;
  243. // DRV_DR = 0.975 * DRV_ARR;
  244. }
  245. if ((mcFocCtrl.State_Count <= (CHARGE_TIME - 75)) && (mcFocCtrl.ChargeStep == 4))
  246. {
  247. mcFocCtrl.ChargeStep = 5;
  248. DRV_CMR &= 0x0000;
  249. DRV_CMR = 0x003f;
  250. }
  251. if ((mcFocCtrl.State_Count <= (CHARGE_TIME - 76)) && (mcFocCtrl.ChargeStep == 5))
  252. {
  253. mcFocCtrl.State_Count = 0;
  254. mcFocCtrl.ChargeStep = 6;
  255. }
  256. #if (IPMTEST == Enable)
  257. {
  258. if (mcFocCtrl.ChargeStep == 6)
  259. {
  260. mcFocCtrl.ChargeStep = 7;
  261. DRV_CMR = 0x0ABF;
  262. DRV_DR = (1.0 - CHARGE_DUTY) * DRV_ARR; // 下桥臂10% duty
  263. }
  264. }
  265. #endif
  266. }
  267. /**
  268. @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
  269. @date 2022-07-14
  270. */
  271. void Motor_Align(void)
  272. {
  273. if (McStaSet.SetFlag.AlignSetFlag == 0)
  274. {
  275. McStaSet.SetFlag.AlignSetFlag = 1;
  276. /* -----FOC初始化----- */
  277. FOC_Init();
  278. /* 配置预定位的电流、KP、KI */
  279. FOC_IDREF = ID_Align_CURRENT;
  280. FOC_IQREF = IQ_Align_CURRENT;
  281. FOC_DKP = DQKP_Alignment;
  282. FOC_DKI = DQKI_Alignment;
  283. FOC_QKP = DQKP_Alignment;
  284. FOC_QKI = DQKI_Alignment;
  285. FOC_EKP = OBSW_KP_GAIN_START;
  286. FOC_EKI = OBSW_KI_GAIN_START;
  287. /*配置预定位角度*/
  288. FOC__THETA = Align_Theta;
  289. /*********PLL或SMO**********/
  290. #if (EstimateAlgorithm == SMO)
  291. {
  292. FOC__ETHETA = FOC__THETA - 4096;
  293. }
  294. #else
  295. {
  296. FOC__ETHETA = FOC__THETA;
  297. }
  298. #endif // end EstimateAlgorithm
  299. /*使能输出*/
  300. // DRV_CMR |= 0x3F; // U、V、W相输出
  301. MOE = 1;
  302. }
  303. }
  304. /**
  305. @brief FOC计算方法顺逆风检测 的顺风启动配置函数
  306. @date 2022-07-14
  307. */
  308. void Motor_FocTailWind_Open(void)
  309. {
  310. /* 启动方式选择 */
  311. // FOC_EFREQACC = 500;
  312. // FOC_EFREQMIN = MOTOR_OMEGA_RAMP_MIN;
  313. // FOC_EFREQHOLD = MOTOR_OMEGA_RAMP_END;
  314. FOC_QKP = QKP;
  315. FOC_QKI = QKI;
  316. FOC_DKP = DKP;
  317. FOC_DKI = DKI;
  318. mcFocCtrl.State_Count = 0; // 取消ATO爬坡
  319. FOC_EKP = OBSW_KP_GAIN_RUN4; // 估算器里的PI的KP
  320. FOC_EKI = OBSW_KI_GAIN_RUN4; // 估算器里的PI的KI
  321. FOC_IQREF = IQ_RUN_CURRENT;
  322. }
  323. /**
  324. @brief 静止启动配置函数
  325. @date 2022-07-14
  326. */
  327. void Motor_Static_Open(void)
  328. {
  329. FOC_Init();
  330. MOE = 1;
  331. FOC__THETA = Align_Theta; // 无初始位置检测,则用预定位角
  332. /*启动电流、KP、KI、FOC_EKP、FOC_EKI*/
  333. FOC_IDREF = ID_Start_CURRENT; // D轴启动电流
  334. mcFocCtrl.IqRef = IQ_Start_CURRENT; // Q轴启动电流
  335. FOC_DKP = DKP_Start;
  336. FOC_DKI = DKI_Start;
  337. FOC_QKP = QKP_Start;
  338. FOC_QKI = QKI_Start;
  339. FOC_EKP = OBSW_KP_GAIN_START;
  340. FOC_EKI = OBSW_KI_GAIN_START;
  341. /*启动方式选择*/
  342. #if (Open_Start_Mode == Omega_Start) // Omega 启动
  343. {
  344. FOC_EFREQACC = MOTOR_OMEGA_RAMP_ACC;
  345. FOC_EFREQMIN = MOTOR_OMEGA_RAMP_MIN;
  346. FOC_EFREQHOLD = MOTOR_OMEGA_RAMP_END;
  347. SetReg(FOC_CR1, EFAE | RFAE | ANGM, EFAE | ANGM);
  348. }
  349. #elif (Open_Start_Mode == Open_Start)
  350. {
  351. FOC_RTHEACC = MOTOR_OPEN_RAMP_ACC; // 爬坡函数的初始加速度
  352. FOC__RTHESTEP = MOTOR_OPEN_RAMP_MIN; // 0.62 degree acce speed
  353. FOC_RTHECNT = MOTOR_OPEN_RAMP_CNT; // acce time
  354. SetReg(FOC_CR1, EFAE | RFAE | ANGM, RFAE);
  355. }
  356. #elif (Open_Start_Mode == Open_Omega_Start)
  357. {
  358. FOC_RTHEACC = MOTOR_OPEN_RAMP_ACC; // 爬坡函数的初始加速度
  359. FOC__RTHESTEP = MOTOR_OPEN_RAMP_MIN; // 0.62 degree acce speed
  360. FOC_RTHECNT = MOTOR_OPEN_RAMP_CNT; // acce time
  361. FOC_EFREQACC = Motor_OMEGA_RAMP_ACC;
  362. FOC_EFREQMIN = MOTOR_OMEGA_RAMP_MIN;
  363. FOC_EFREQHOLD = MOTOR_OMEGA_RAMP_END;
  364. SetReg(FOC_CR1, EFAE | RFAE | ANGM, EFAE | RFAE | ANGM);
  365. }
  366. #endif // end Open_Start_Mode
  367. /*不同启动方式下,切换到MCRUN状态*/
  368. #if (Open_Start_Mode == Open_Start) // OPEN状态启动时拖动多次
  369. {
  370. mcFocCtrl.State_Count = 0;
  371. FOC_EKP = OBSW_KP_GAIN_RUN4; // 估算器里的PI的KP
  372. FOC_EKI = OBSW_KI_GAIN_RUN4; // 估算器里的PI的KI
  373. }
  374. #elif (Open_Start_Mode == Omega_Start)
  375. {
  376. /*********PLL或SMO**********/
  377. #if (EstimateAlgorithm == SMO || EstimateAlgorithm == AO)
  378. {
  379. mcFocCtrl.State_Count = ATO_START_HOLDTIME + (ATO_RAMP_PERIOD << 2); // ATO 爬坡控制时间
  380. }
  381. #elif (EstimateAlgorithm == PLL)
  382. {
  383. mcFocCtrl.State_Count = 0;
  384. FOC_EKP = OBSW_KP_GAIN_RUN4; // 估算器里的PI的KP
  385. FOC_EKI = OBSW_KI_GAIN_RUN4; // 估算器里的PI的KI
  386. }
  387. #endif // end EstimateAlgorithm
  388. }
  389. #endif // end Open_Start_Mode
  390. FOC_IQREF = mcFocCtrl.IqRef; // Q轴启动电流
  391. }
  392. /**
  393. @brief 三下桥刹车
  394. @date 2022-07-14
  395. */
  396. void MC_Break(void)
  397. {
  398. MOE = 1;
  399. ClrBit(DRV_CR, FOCEN); // 关闭FOC
  400. /* 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 */
  401. ClrBit(DRV_CR, OCS); // OCS = 0, DRV_COMR; OCS = 1, FOC/SVPWM/SPWM
  402. SetBit(DRV_CR, DRVEN); // 计数器使能 0-->Disable 1-->Enable
  403. DRV_CMR = 0x0015; // 关闭上桥输出,开启下桥输出
  404. DRV_DR = 0.95 * DRV_ARR;// ARR+4为全开
  405. }
  406. /**
  407. @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
  408. @brief 上电只运行一次
  409. @date 2022-07-14
  410. */
  411. void MotorcontrolInit(void)
  412. {
  413. /*****电机状态机时序变量***********/
  414. McStaSet.SetMode = 0;
  415. /**********电机目标方向*************/
  416. #if (FR_MODE == CW)
  417. {
  418. mcFocCtrl.FR = CW;
  419. }
  420. #else
  421. {
  422. mcFocCtrl.FR = CCW;
  423. }
  424. #endif // end IRMODE
  425. /* -----电流偏置校准变量初始化----- */
  426. mcCurOffset.IuOffsetSum = 16383;
  427. mcCurOffset.IvOffsetSum = 16383;
  428. mcCurOffset.Iw_busOffsetSum = 16383;
  429. mcPwmInput.TimerARR = 65535;
  430. }
  431. /**
  432. @brief 初始化电机参数,每次电机启动均会被调用
  433. @warning 需要注意填写的变量是否可以在此时刻被初始化
  434. @date 2022-07-14
  435. */
  436. void VariablesPreInit(void)
  437. {
  438. memset(&fault, 0, sizeof(FaultVarible)); // FaultVarible变量清零
  439. McStaSet.SetMode = 0;
  440. mcFocCtrl.CtrlMode = 0;
  441. mcRefRamp.OutValue_float = 0;
  442. mcFocCtrl.ChargeStep = 0;
  443. mcFocCtrl.Flg_ATORampEnd = 0;
  444. /* -----电机功率参数初始化----- */
  445. mcFocCtrl.sqrtUdq = 0;
  446. mcFocCtrl.NTCValueGatherFlag = 1; // 上电即采集NTC信号
  447. }
  448. /**
  449. @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。
  450. 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。
  451. @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,
  452. 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
  453. @date 2022-07-14
  454. */
  455. void GetCurrentOffset(void)
  456. {
  457. SetBit(ADC_CR, ADCBSY); // 使能ADC
  458. while (ReadBit(ADC_CR, ADCBSY));
  459. #if (Shunt_Resistor_Mode == Single_Resistor) // 单电阻模式
  460. {
  461. mcCurOffset.Iw_busOffsetSum += ((ADC4_DR & 0x7ff8));
  462. mcCurOffset.Iw_busOffset = mcCurOffset.Iw_busOffsetSum >> 4;
  463. mcCurOffset.Iw_busOffsetSum -= mcCurOffset.Iw_busOffset;
  464. }
  465. #elif (Shunt_Resistor_Mode == Double_Resistor) // 双电阻模式
  466. {
  467. mcCurOffset.IuOffsetSum += ((ADC0_DR & 0x7ff8));
  468. mcCurOffset.IuOffset = mcCurOffset.IuOffsetSum >> 4;
  469. mcCurOffset.IuOffsetSum -= mcCurOffset.IuOffset;
  470. mcCurOffset.IvOffsetSum += ((ADC1_DR & 0x7ff8));
  471. mcCurOffset.IvOffset = mcCurOffset.IvOffsetSum >> 4;
  472. mcCurOffset.IvOffsetSum -= mcCurOffset.IvOffset;
  473. mcCurOffset.Iw_busOffsetSum += ((ADC4_DR & 0x7ff8));
  474. mcCurOffset.Iw_busOffset = mcCurOffset.Iw_busOffsetSum >> 4;
  475. mcCurOffset.Iw_busOffsetSum -= mcCurOffset.Iw_busOffset;
  476. }
  477. #elif (Shunt_Resistor_Mode == Three_Resistor) // 三电阻模式
  478. {
  479. mcCurOffset.IuOffsetSum += ((ADC0_DR & 0x7ff8));
  480. mcCurOffset.IuOffset = mcCurOffset.IuOffsetSum >> 4;
  481. mcCurOffset.IuOffsetSum -= mcCurOffset.IuOffset;
  482. mcCurOffset.IvOffsetSum += ((ADC1_DR & 0x7ff8));
  483. mcCurOffset.IvOffset = mcCurOffset.IvOffsetSum >> 4;
  484. mcCurOffset.IvOffsetSum -= mcCurOffset.IvOffset;
  485. mcCurOffset.Iw_busOffsetSum += ((ADC4_DR & 0x7ff8));
  486. mcCurOffset.Iw_busOffset = mcCurOffset.Iw_busOffsetSum >> 4;
  487. mcCurOffset.Iw_busOffsetSum -= mcCurOffset.Iw_busOffset;
  488. }
  489. #endif
  490. mcCurOffset.OffsetCount++;
  491. if (mcCurOffset.OffsetCount > Calib_Time)
  492. {
  493. mcCurOffset.OffsetFlag = 1;
  494. #if (GetCurrentOffsetEnable)
  495. {
  496. Fault_GetCurrentOffset(); // 偏置电压保护
  497. }
  498. #endif
  499. }
  500. }
  501. /**
  502. @brief 关闭输出,关闭FOC,电机切换到mcReady状态被调用一次
  503. @date 2022-07-14
  504. */
  505. void Motor_Ready(void)
  506. {
  507. if (McStaSet.SetFlag.CalibFlag == 0)
  508. {
  509. McStaSet.SetFlag.CalibFlag = 1;
  510. MOE = 0;
  511. ClrBit(DRV_CR, FOCEN);
  512. ClrBit(DRV_CR, DRVEN);
  513. #if (Shunt_Resistor_Mode == Single_Resistor)
  514. {
  515. SetBit(ADC_MASK, CH4EN | CH2EN); // 开启外部ADC采集偏置电压
  516. }
  517. #else
  518. {
  519. SetBit(ADC_MASK, CH4EN | CH2EN | CH1EN | CH0EN); // 开启外部ADC采集偏置电压
  520. }
  521. #endif
  522. }
  523. }
  524. /**
  525. @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
  526. @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
  527. @date 2022-07-14
  528. */
  529. void Motor_Init(void)
  530. {
  531. #if (Shunt_Resistor_Mode == Single_Resistor)
  532. {
  533. 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
  534. }
  535. #else
  536. {
  537. 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
  538. }
  539. #endif
  540. VariablesPreInit(); // 电机相关变量初始化
  541. PI_Init(); // PI初始化
  542. // PI2_Init(); // PI初始化
  543. PI3_Init(); // PI初始化
  544. }
  545. /**
  546. * @brief 顺逆风处理函数
  547. * @date 2022-09-14
  548. */
  549. void Motor_TailWind(void)
  550. {
  551. if (McStaSet.SetFlag.TailWindSetFlag == 0) // 初始化
  552. {
  553. SetBit(DRV_CR, DRVEN); // 计数器使能 0-->Disable 1-->Enable
  554. McStaSet.SetFlag.TailWindSetFlag = 1;
  555. #if (TAILWIND_MODE == RSDMethod)
  556. RSDDetectInit();
  557. #elif (TAILWIND_MODE == BEMFMethod)
  558. BEMFDetectInit();
  559. #elif (TAILWIND_MODE == FOCMethod)
  560. FocDetectInit();
  561. #endif
  562. }
  563. #if (TAILWIND_MODE == RSDMethod)
  564. {
  565. if (mcFocCtrl.State_Count > 0) // 顺逆风检测时间结束前判断转速
  566. {
  567. mcState = RSDStartProcess();
  568. }
  569. else // 时间结束 还未检测到有效转速 则当做静止启动
  570. {
  571. ClrBit(CMP_CR2, CMP0EN); // 关闭比较器
  572. ClrBit(TIM2_CR1, T2CEN); // 0,停止计数;1,使能计数
  573. mcFocCtrl.Start_Mode = STATIC_START;
  574. #if (ALIGN_MOME != ALIGN_DSIABLE)
  575. mcFocCtrl.mcPosCheckAngle = Align_Angle;
  576. mcState = mcAlign;
  577. mcFocCtrl.State_Count = Align_Time;
  578. #else
  579. mcState = mcStart;
  580. #endif
  581. }
  582. }
  583. #elif (TAILWIND_MODE == BEMFMethod)
  584. {
  585. if (mcFocCtrl.State_Count > 0) // 顺逆风检测时间结束前判断转速
  586. {
  587. mcState = Bemf_Start_Process();
  588. }
  589. else // 时间结束 还未检测到有效转速 则当做静止启动
  590. {
  591. ClrBit(CMP_CR2, CMP0EN); // 关闭比较器
  592. ClrBit(TIM1_CR0, T1BCEN); // 关闭定时器
  593. mcFocCtrl.Start_Mode = STATIC_START;
  594. #if (ALIGN_MOME != ALIGN_DSIABLE)
  595. mcFocCtrl.mcPosCheckAngle = Align_Angle;
  596. mcState = mcAlign;
  597. mcFocCtrl.State_Count = Align_Time;
  598. #else
  599. mcState = mcStart;
  600. #endif
  601. }
  602. }
  603. #elif (TAILWIND_MODE == FOCMethod)
  604. {
  605. if (mcFocCtrl.State_Count == 0) // 顺逆风检测时间结束判断转速
  606. {
  607. if ((mcFocCtrl.SpeedFlt >= S_Value(100))&&mcFocCtrl.EMFsquare>=400) // 需要增加 判断保持时间
  608. {
  609. mcFocCtrl.Start_Mode = TAILWIND_START;
  610. mcState = mcStart;
  611. }
  612. else if ((mcFocCtrl.SpeedFlt < -S_Value(80))&&mcFocCtrl.EMFsquare>=400)
  613. {
  614. McStaSet.SetFlag.TailWindSetFlag = 0; // 清除 顺逆风检测初始标志
  615. mcFocCtrl.State_Count = 2000; // 逆风刹车时间,刹车结束会切回重新进行顺逆风检测
  616. mcFocCtrl.Start_Mode = HEADWIND_START; // 逆风启动
  617. mcState = mcStart; // 状态机切换到Start
  618. }
  619. else
  620. {
  621. mcFocCtrl.Start_Mode = STATIC_START;
  622. mcState = mcStart;
  623. }
  624. }
  625. }
  626. #endif
  627. }
  628. /**
  629. * @brief 停止函数
  630. * @date 2022-09-14
  631. */
  632. void MC_Stop(void)
  633. {
  634. if ((mcFocCtrl.SpeedFlt < Stop_MOTOR_SPEED_RPM) || (mcFocCtrl.State_Count == 0)) // 实际转速低于Motor_Min_Speed或延时到了,关闭PWM输出或进入刹车
  635. {
  636. #if (StopBrakeFlag == 0)
  637. {
  638. FOC_CR1 = 0x00;
  639. /*关闭FOC*/
  640. ClrBit(DRV_CR, FOCEN);
  641. MOE = 0;
  642. mcState = mcBrake;
  643. }
  644. #else
  645. {
  646. MOE = 0;
  647. MC_Break();
  648. mcState = mcBrake;
  649. mcFocCtrl.State_Count = StopWaitTime;
  650. }
  651. #endif
  652. }
  653. else if (isCtrlPowOn) // Stop状态时,电机在减速状态,又开机进入正常运行模式
  654. {
  655. mcState = mcRun;
  656. mcFocCtrl.CtrlMode = 0;
  657. FOC_IQREF = IQ_RUN_CURRENT;
  658. }
  659. }