MotorControlFunction.c 23 KB

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  1. /**
  2. * @copyright None
  3. * @file MotorControlFunction.c
  4. * @author Comment Vivre
  5. * @date 2024-08-26
  6. * @brief None
  7. */
  8. #include <MyProject.h>
  9. CurrentOffset xdata mcCurOffset; ///< 电流采样偏置电压采集缓存
  10. /**
  11. @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
  12. @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
  13. @date 2022-07-14
  14. */
  15. void FOC_Init(void)
  16. {
  17. DRV_CMR = 0x0ABF; // UH/VH/WH UL/VL/WL 互补并使能
  18. /* 使能FOC */
  19. ClrBit(DRV_CR, DRVEN); // 关闭DRVIVER 计时器,防止第一拍采样出错
  20. ClrBit(DRV_CR, FOCEN);
  21. SetBit(DRV_CR, FOCEN);
  22. ClrBit(FOC_CR0, MERRS1);
  23. SetBit(FOC_CR0, MERRS0);
  24. FOC_EOMEKLPF = _Q8(1.0); // FOC内部 速度滤波系数
  25. /* 配置FOC寄存器 */
  26. FOC_CR1 = 0; // 清零 FOC_CR1
  27. FOC_CR2 = 0; // 清零 FOC_CR2
  28. FOC_IDREF = 0; // 清零 Id
  29. FOC_IQREF = 0; // 清零 Iq
  30. FOC__THETA = 0; // 清零 角度
  31. FOC_RTHEACC = 0; // 清零 爬坡函数的初始加速度
  32. FOC__RTHESTEP = 0; // 清零 爬坡速度
  33. FOC_RTHECNT = 0; // 清零 爬坡次数
  34. FOC_THECOMP = _Q15(-15.0 / 180.0); // SMO 估算补偿角
  35. FOC_THECOR = 0x04; // 误差角度补偿
  36. /* 电流环参数配置 */
  37. FOC_DMAX = DOUTMAX;
  38. FOC_DMIN = DOUTMIN;
  39. FOC_QMAX = QOUTMAX;
  40. FOC_QMIN = QOUTMIN;
  41. /* 位置估算参数配置 */
  42. FOC_EK1 = OBS_K1T;
  43. FOC_EK2 = OBS_K2T;
  44. FOC_EK3 = OBS_K3T;
  45. FOC_EK4 = OBS_K4T;
  46. /* -----AO/PLL/SMO ----- */
  47. #if (EstimateAlgorithm == AO)
  48. {
  49. ClrBit(FOC_CR2, ESEL);
  50. FOC_KSLIDE = OBS_KSLIDE;
  51. FOC_EKLPFMIN = OBS_EA_KS;
  52. SetBit(FOC_CR0, ESCMS);
  53. SetBit(FOC_CR3, MFP_EN);
  54. }
  55. #elif (EstimateAlgorithm == SMO)
  56. {
  57. ClrBit(FOC_CR2, ESEL);
  58. FOC_KSLIDE = OBS_KSLIDE;
  59. FOC_EKLPFMIN = OBS_EA_KS;
  60. }
  61. #elif (EstimateAlgorithm == PLL)
  62. {
  63. SetBit(FOC_CR2, ESEL);
  64. FOC_KSLIDE = OBSE_PLLKP_GAIN;
  65. FOC_EKLPFMIN = OBSE_PLLKI_GAIN;
  66. }
  67. #else
  68. {
  69. #error " EstimateAlgorithm ERR"
  70. }
  71. #endif
  72. FOC_FBASE = OBS_FBASE; // 由速度计算角度增量的系数
  73. FOC_OMEKLPF = SPEED_KLPF; // 估算器内速度低通滤波系数
  74. FOC_TGLI = PWM_TGLI_LOAD; // 死区配置
  75. SetBit(FOC_CR1, SVPWMEN); // SVPWM模式
  76. if (mcFocCtrl.FR == CW)
  77. {
  78. ClrBit(DRV_CR, DDIR); // 反转标志位
  79. }
  80. else
  81. {
  82. SetBit(DRV_CR, DDIR); // 反转标志位
  83. }
  84. /* 过调制 */
  85. #if (OverModulation == Enable)
  86. {
  87. SetBit(FOC_CR1, OVMDL); // 过调制
  88. }
  89. #endif // end OverModulation
  90. /* 单电阻采样; 需要最小采样窗,FOC_TRGDLY为0,七段式SVPWM方式 */
  91. #if (Shunt_Resistor_Mode == Single_Resistor)
  92. {
  93. SetReg(FOC_CR1, CSM0 | CSM1, 0x00);
  94. FOC_TSMIN = PWM_TS_LOAD; // 最小采样窗口
  95. 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;
  96. // 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。
  97. ClrBit(FOC_CR2, F5SEG); // 7段式,单电阻仅支持7段式
  98. }
  99. /* 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 */
  100. #elif (Shunt_Resistor_Mode == Double_Resistor) // double resistor sample
  101. {
  102. SetReg(FOC_CR1, CSM0 | CSM1, CSM0);
  103. FOC_TSMIN = PWM_DT_LOAD; // 死区补偿值
  104. 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
  105. // 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。
  106. FOC_TBLO = PWM_DLOWL_TIME; // 下桥臂最小脉冲,保证采样
  107. /*五段式或七段式选择*/
  108. #if (SVPMW_Mode == SVPWM_7_Segment)
  109. {
  110. ClrBit(FOC_CR2, F5SEG); // 7段式
  111. }
  112. #elif (SVPMW_Mode == SVPWM_5_Segment)
  113. {
  114. SetBit(FOC_CR2, F5SEG); // 5段式
  115. }
  116. #endif
  117. #if (DouRes_Sample_Mode == DouRes_1_Cycle)
  118. {
  119. ClrBit(FOC_CR2, DSS); // 7段式
  120. }
  121. #elif (DouRes_Sample_Mode == DouRes_2_Cycle)
  122. {
  123. SetBit(FOC_CR2, DSS); // 5段式
  124. }
  125. #endif // end DouRes_Sample_Mode
  126. }
  127. /*三电阻采样*/
  128. #elif (Shunt_Resistor_Mode == Three_Resistor) // signel resistor sample
  129. {
  130. SetReg(FOC_CR1, CSM0 | CSM1, CSM0 | CSM1); // 三电阻
  131. FOC_TSMIN = PWM_DT_LOAD; // 死区补偿值
  132. 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。
  133. // 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。
  134. FOC_TBLO = PWM_OVERMODULE_TIME; // 过调制电流采样处理的TB脉宽
  135. /* 五段式或七段式选择 */
  136. #if (SVPMW_Mode == SVPWM_7_Segment)
  137. {
  138. ClrBit(FOC_CR2, F5SEG); // 7段式
  139. }
  140. #elif (SVPMW_Mode == SVPWM_5_Segment)
  141. {
  142. SetBit(FOC_CR2, F5SEG); // 5段式
  143. }
  144. #endif // end SVPMW_Mode
  145. #if (DouRes_Sample_Mode == DouRes_1_Cycle)
  146. {
  147. ClrBit(FOC_CR2, DSS); // 7段式
  148. }
  149. #elif (DouRes_Sample_Mode == DouRes_2_Cycle)
  150. {
  151. SetBit(FOC_CR2, DSS); // 5段式
  152. }
  153. #endif // end DouRes_Sample_Mode
  154. }
  155. #endif // end Shunt_Resistor_Mode
  156. /* 使能电流基准校正 */
  157. #if (CalibENDIS == Enable)
  158. {
  159. if (mcCurOffset.OffsetFlag == 1)
  160. {
  161. #if (Shunt_Resistor_Mode == Single_Resistor) // 单电阻校正
  162. {
  163. /*set ibus current sample offset*/
  164. SetReg(FOC_CR2, CSOC0 | CSOC1, 0x00);
  165. FOC_CSO = mcCurOffset.Iw_busOffset; // 写入Ibus的偏置
  166. }
  167. #elif (Shunt_Resistor_Mode == Double_Resistor) // 双电阻校正
  168. {
  169. /*set ia, ib current sample offset*/
  170. SetReg(FOC_CR2, CSOC0 | CSOC1, CSOC0);
  171. FOC_CSO = mcCurOffset.IuOffset; // 写入IA的偏置
  172. SetReg(FOC_CR2, CSOC0 | CSOC1, CSOC1);
  173. FOC_CSO = mcCurOffset.IvOffset; // 写入IB的偏置
  174. }
  175. #elif (Shunt_Resistor_Mode == Three_Resistor) // 三电阻校正
  176. {
  177. /*set ibus current sample offset*/
  178. SetReg(FOC_CR2, CSOC0 | CSOC1, CSOC0);
  179. FOC_CSO = mcCurOffset.IuOffset; // 写入IA的偏置
  180. SetReg(FOC_CR2, CSOC0 | CSOC1, CSOC1);
  181. FOC_CSO = mcCurOffset.IvOffset; // 写入IB的偏置
  182. SetReg(FOC_CR2, CSOC0 | CSOC1, 0x00);
  183. FOC_CSO = mcCurOffset.Iw_busOffset; // 写入IC的偏置
  184. }
  185. #endif // end Shunt_Resistor_Mode
  186. }
  187. }
  188. #endif // end CalibENDIS
  189. /* -------------------------------------------------------------------------------------------------
  190. DRV_CTL:PWM来源选择
  191. OCS = 0, DRV_COMR
  192. OCS = 1, FOC/SVPWM/SPWM
  193. -------------------------------------------------------------------------------------------------*/
  194. /*计数器比较值来源FOC*/
  195. SetBit(DRV_CR, DRVEN); // 计数器使能 0-->Disable 1-->Enable
  196. SetBit(DRV_CR, OCS);
  197. }
  198. /**
  199. @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。
  200. @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
  201. @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
  202. @date 2022-07-14
  203. */
  204. void Motor_Charge(void)
  205. {
  206. if (McStaSet.SetFlag.ChargeSetFlag == 0)
  207. {
  208. McStaSet.SetFlag.ChargeSetFlag = 1;
  209. SetBit(DRV_CR, DRVEN); // 计数器使能 0-->Disable 1-->Enable
  210. DRV_DR = (1.0 - CHARGE_DUTY) * DRV_ARR; // 下桥臂10% duty
  211. DRV_CMR &= 0x0000;
  212. /* -------------------------------------------------------------------------------------------------
  213. DRV_CTL:PWM来源选择
  214. OCS = 0, DRV_COMR
  215. OCS = 1, FOC/SVPWM/SPWM
  216. -------------------------------------------------------------------------------------------------*/
  217. ClrBit(DRV_CR, OCS);
  218. mcFocCtrl.ChargeStep = 0;
  219. }
  220. if ((mcFocCtrl.State_Count < CHARGE_TIME) && (mcFocCtrl.ChargeStep == 0))
  221. {
  222. mcFocCtrl.ChargeStep = 1;
  223. DRV_CMR |= 0x01; // U相下桥臂通
  224. MOE = 1;
  225. }
  226. if ((mcFocCtrl.State_Count <= (CHARGE_TIME - 20)) && (mcFocCtrl.ChargeStep == 1))
  227. {
  228. mcFocCtrl.ChargeStep = 2;
  229. DRV_CMR |= 0x04; // V相下桥臂通
  230. }
  231. if ((mcFocCtrl.State_Count <= (CHARGE_TIME - 40)) && (mcFocCtrl.ChargeStep == 2))
  232. {
  233. mcFocCtrl.ChargeStep = 3;
  234. DRV_CMR |= 0x10; // W相下桥臂通
  235. }
  236. if ((mcFocCtrl.State_Count <= (CHARGE_TIME - 60)) && (mcFocCtrl.ChargeStep == 3))
  237. {
  238. mcFocCtrl.ChargeStep = 4;
  239. // DRV_CMR &= 0x0000;
  240. // DRV_CMR = 0x0ABF;
  241. // DRV_DR = 0.975 * DRV_ARR;
  242. }
  243. if ((mcFocCtrl.State_Count <= (CHARGE_TIME - 75)) && (mcFocCtrl.ChargeStep == 4))
  244. {
  245. mcFocCtrl.ChargeStep = 5;
  246. DRV_CMR &= 0x0000;
  247. DRV_CMR = 0x003f;
  248. }
  249. if ((mcFocCtrl.State_Count <= (CHARGE_TIME - 76)) && (mcFocCtrl.ChargeStep == 5))
  250. {
  251. mcFocCtrl.State_Count = 0;
  252. mcFocCtrl.ChargeStep = 6;
  253. }
  254. #if (IPMTEST == Enable)
  255. {
  256. if (mcFocCtrl.ChargeStep == 6)
  257. {
  258. mcFocCtrl.ChargeStep = 7;
  259. DRV_CMR = 0x0ABF;
  260. DRV_DR = (1.0 - CHARGE_DUTY) * DRV_ARR; // 下桥臂10% duty
  261. }
  262. }
  263. #endif
  264. }
  265. /**
  266. @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
  267. @date 2022-07-14
  268. */
  269. void Motor_Align(void)
  270. {
  271. if (McStaSet.SetFlag.AlignSetFlag == 0)
  272. {
  273. McStaSet.SetFlag.AlignSetFlag = 1;
  274. /* -----FOC初始化----- */
  275. FOC_Init();
  276. /* 配置预定位的电流、KP、KI */
  277. FOC_IDREF = ID_Align_CURRENT;
  278. FOC_IQREF = IQ_Align_CURRENT;
  279. FOC_DKP = DQKP_Alignment;
  280. FOC_DKI = DQKI_Alignment;
  281. FOC_QKP = DQKP_Alignment;
  282. FOC_QKI = DQKI_Alignment;
  283. FOC_EKP = OBSW_KP_GAIN_START;
  284. FOC_EKI = OBSW_KI_GAIN_START;
  285. /*配置预定位角度*/
  286. FOC__THETA = Align_Theta;
  287. /*********PLL或SMO**********/
  288. #if (EstimateAlgorithm == SMO)
  289. {
  290. FOC__ETHETA = FOC__THETA - 4096;
  291. }
  292. #else
  293. {
  294. FOC__ETHETA = FOC__THETA;
  295. }
  296. #endif // end EstimateAlgorithm
  297. /*使能输出*/
  298. // DRV_CMR |= 0x3F; // U、V、W相输出
  299. MOE = 1;
  300. }
  301. }
  302. /**
  303. @brief FOC计算方法顺逆风检测 的顺风启动配置函数
  304. @date 2022-07-14
  305. */
  306. void Motor_FocTailWind_Open(void)
  307. {
  308. /* 启动方式选择 */
  309. // FOC_EFREQACC = 500;
  310. // FOC_EFREQMIN = MOTOR_OMEGA_RAMP_MIN;
  311. // FOC_EFREQHOLD = MOTOR_OMEGA_RAMP_END;
  312. FOC_QKP = QKP;
  313. FOC_QKI = QKI;
  314. FOC_DKP = DKP;
  315. FOC_DKI = DKI;
  316. mcFocCtrl.State_Count = 0; // 取消ATO爬坡
  317. FOC_EKP = OBSW_KP_GAIN_RUN4; // 估算器里的PI的KP
  318. FOC_EKI = OBSW_KI_GAIN_RUN4; // 估算器里的PI的KI
  319. FOC_IQREF = IQ_RUN_CURRENT;
  320. }
  321. /**
  322. @brief 静止启动配置函数
  323. @date 2022-07-14
  324. */
  325. void Motor_Static_Open(void)
  326. {
  327. FOC_Init();
  328. MOE = 1;
  329. FOC__THETA = Align_Theta; // 无初始位置检测,则用预定位角
  330. /*启动电流、KP、KI、FOC_EKP、FOC_EKI*/
  331. FOC_IDREF = ID_Start_CURRENT; // D轴启动电流
  332. mcFocCtrl.IqRef = IQ_Start_CURRENT; // Q轴启动电流
  333. FOC_DKP = DKP_Start;
  334. FOC_DKI = DKI_Start;
  335. FOC_QKP = QKP_Start;
  336. FOC_QKI = QKI_Start;
  337. FOC_EKP = OBSW_KP_GAIN_START;
  338. FOC_EKI = OBSW_KI_GAIN_START;
  339. /*启动方式选择*/
  340. #if (Open_Start_Mode == Omega_Start) // Omega 启动
  341. {
  342. FOC_EFREQACC = MOTOR_OMEGA_RAMP_ACC;
  343. FOC_EFREQMIN = MOTOR_OMEGA_RAMP_MIN;
  344. FOC_EFREQHOLD = MOTOR_OMEGA_RAMP_END;
  345. SetReg(FOC_CR1, EFAE | RFAE | ANGM, EFAE | ANGM);
  346. }
  347. #elif (Open_Start_Mode == Open_Start)
  348. {
  349. FOC_RTHEACC = MOTOR_OPEN_RAMP_ACC; // 爬坡函数的初始加速度
  350. FOC__RTHESTEP = MOTOR_OPEN_RAMP_MIN; // 0.62 degree acce speed
  351. FOC_RTHECNT = MOTOR_OPEN_RAMP_CNT; // acce time
  352. SetReg(FOC_CR1, EFAE | RFAE | ANGM, RFAE);
  353. }
  354. #elif (Open_Start_Mode == Open_Omega_Start)
  355. {
  356. FOC_RTHEACC = MOTOR_OPEN_RAMP_ACC; // 爬坡函数的初始加速度
  357. FOC__RTHESTEP = MOTOR_OPEN_RAMP_MIN; // 0.62 degree acce speed
  358. FOC_RTHECNT = MOTOR_OPEN_RAMP_CNT; // acce time
  359. FOC_EFREQACC = Motor_OMEGA_RAMP_ACC;
  360. FOC_EFREQMIN = MOTOR_OMEGA_RAMP_MIN;
  361. FOC_EFREQHOLD = MOTOR_OMEGA_RAMP_END;
  362. SetReg(FOC_CR1, EFAE | RFAE | ANGM, EFAE | RFAE | ANGM);
  363. }
  364. #endif // end Open_Start_Mode
  365. /*不同启动方式下,切换到MCRUN状态*/
  366. #if (Open_Start_Mode == Open_Start) // OPEN状态启动时拖动多次
  367. {
  368. mcFocCtrl.State_Count = 0;
  369. FOC_EKP = OBSW_KP_GAIN_RUN4; // 估算器里的PI的KP
  370. FOC_EKI = OBSW_KI_GAIN_RUN4; // 估算器里的PI的KI
  371. }
  372. #elif (Open_Start_Mode == Omega_Start)
  373. {
  374. /*********PLL或SMO**********/
  375. #if (EstimateAlgorithm == SMO || EstimateAlgorithm == AO)
  376. {
  377. mcFocCtrl.State_Count = ATO_START_HOLDTIME + (ATO_RAMP_PERIOD << 2); // ATO 爬坡控制时间
  378. }
  379. #elif (EstimateAlgorithm == PLL)
  380. {
  381. mcFocCtrl.State_Count = 0;
  382. FOC_EKP = OBSW_KP_GAIN_RUN4; // 估算器里的PI的KP
  383. FOC_EKI = OBSW_KI_GAIN_RUN4; // 估算器里的PI的KI
  384. }
  385. #endif // end EstimateAlgorithm
  386. }
  387. #endif // end Open_Start_Mode
  388. FOC_IQREF = mcFocCtrl.IqRef; // Q轴启动电流
  389. }
  390. /**
  391. @brief 三下桥刹车
  392. @date 2022-07-14
  393. */
  394. void MC_Break(void)
  395. {
  396. MOE = 1;
  397. ClrBit(DRV_CR, FOCEN); // 关闭FOC
  398. /* 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 */
  399. ClrBit(DRV_CR, OCS); // OCS = 0, DRV_COMR; OCS = 1, FOC/SVPWM/SPWM
  400. SetBit(DRV_CR, DRVEN); // 计数器使能 0-->Disable 1-->Enable
  401. DRV_CMR = 0x0015; // 关闭上桥输出,开启下桥输出
  402. DRV_DR = 0.95 * DRV_ARR;// ARR+4为全开
  403. }
  404. /**
  405. @brief 初始化电机参数,每次电机启动均会被调用
  406. @warning 需要注意填写的变量是否可以在此时刻被初始化
  407. @date 2022-07-14
  408. */
  409. void VariablesPreInit(void)
  410. {
  411. memset(&fault, 0, sizeof(FaultVarible)); // FaultVarible变量清零
  412. McStaSet.SetMode = 0;
  413. mcFocCtrl.CtrlMode = 0;
  414. LoopRefRamp.Out = 0;
  415. mcFocCtrl.ChargeStep = 0;
  416. mcFocCtrl.Flg_ATORampEnd = 0;
  417. }
  418. /**
  419. @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。
  420. 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。
  421. @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,
  422. 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
  423. @date 2022-07-14
  424. */
  425. void GetCurrentOffset(void)
  426. {
  427. SetBit(ADC_CR, ADCBSY); // 使能ADC
  428. while (ReadBit(ADC_CR, ADCBSY));
  429. #if (Shunt_Resistor_Mode == Single_Resistor) // 单电阻模式
  430. {
  431. mcCurOffset.Iw_busOffsetSum += ((ADC4_DR & 0x7ff8));
  432. mcCurOffset.Iw_busOffset = mcCurOffset.Iw_busOffsetSum >> 4;
  433. mcCurOffset.Iw_busOffsetSum -= mcCurOffset.Iw_busOffset;
  434. }
  435. #elif (Shunt_Resistor_Mode == Double_Resistor) // 双电阻模式
  436. {
  437. mcCurOffset.IuOffsetSum += ((ADC0_DR & 0x7ff8));
  438. mcCurOffset.IuOffset = mcCurOffset.IuOffsetSum >> 4;
  439. mcCurOffset.IuOffsetSum -= mcCurOffset.IuOffset;
  440. mcCurOffset.IvOffsetSum += ((ADC1_DR & 0x7ff8));
  441. mcCurOffset.IvOffset = mcCurOffset.IvOffsetSum >> 4;
  442. mcCurOffset.IvOffsetSum -= mcCurOffset.IvOffset;
  443. mcCurOffset.Iw_busOffsetSum += ((ADC4_DR & 0x7ff8));
  444. mcCurOffset.Iw_busOffset = mcCurOffset.Iw_busOffsetSum >> 4;
  445. mcCurOffset.Iw_busOffsetSum -= mcCurOffset.Iw_busOffset;
  446. }
  447. #elif (Shunt_Resistor_Mode == Three_Resistor) // 三电阻模式
  448. {
  449. mcCurOffset.IuOffsetSum += ((ADC0_DR & 0x7ff8));
  450. mcCurOffset.IuOffset = mcCurOffset.IuOffsetSum >> 4;
  451. mcCurOffset.IuOffsetSum -= mcCurOffset.IuOffset;
  452. mcCurOffset.IvOffsetSum += ((ADC1_DR & 0x7ff8));
  453. mcCurOffset.IvOffset = mcCurOffset.IvOffsetSum >> 4;
  454. mcCurOffset.IvOffsetSum -= mcCurOffset.IvOffset;
  455. mcCurOffset.Iw_busOffsetSum += ((ADC4_DR & 0x7ff8));
  456. mcCurOffset.Iw_busOffset = mcCurOffset.Iw_busOffsetSum >> 4;
  457. mcCurOffset.Iw_busOffsetSum -= mcCurOffset.Iw_busOffset;
  458. }
  459. #endif
  460. mcCurOffset.OffsetCount++;
  461. if (mcCurOffset.OffsetCount > Calib_Time)
  462. {
  463. mcCurOffset.OffsetFlag = 1;
  464. #if (GetCurrentOffsetEnable)
  465. {
  466. Fault_GetCurrentOffset(); // 偏置电压保护
  467. }
  468. #endif
  469. }
  470. }
  471. /**
  472. @brief 关闭输出,关闭FOC,电机切换到mcReady状态被调用一次
  473. @date 2022-07-14
  474. */
  475. void Motor_Ready(void)
  476. {
  477. if (McStaSet.SetFlag.CalibFlag == 0)
  478. {
  479. McStaSet.SetFlag.CalibFlag = 1;
  480. MOE = 0;
  481. ClrBit(DRV_CR, FOCEN);
  482. ClrBit(DRV_CR, DRVEN);
  483. #if (Shunt_Resistor_Mode == Single_Resistor)
  484. {
  485. SetBit(ADC_MASK, CH4EN | CH2EN); // 开启外部ADC采集偏置电压
  486. }
  487. #else
  488. {
  489. SetBit(ADC_MASK, CH4EN | CH2EN | CH1EN | CH0EN); // 开启外部ADC采集偏置电压
  490. }
  491. #endif
  492. }
  493. }
  494. /**
  495. @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
  496. @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
  497. @date 2022-07-14
  498. */
  499. void Motor_Init(void)
  500. {
  501. #if (Shunt_Resistor_Mode == Single_Resistor)
  502. 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
  503. #else
  504. 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
  505. #endif
  506. VariablesPreInit(); // 电机相关变量初始化
  507. PI_Init(); // PI初始化
  508. // PI2_Init(); // PI初始化
  509. PI3_Init(); // PI初始化
  510. }
  511. /**
  512. * @brief 顺逆风处理函数
  513. * @date 2022-09-14
  514. */
  515. void Motor_TailWind(void)
  516. {
  517. if (McStaSet.SetFlag.TailWindSetFlag == 0) // 初始化
  518. {
  519. SetBit(DRV_CR, DRVEN); // 计数器使能 0-->Disable 1-->Enable
  520. McStaSet.SetFlag.TailWindSetFlag = 1;
  521. #if (TAILWIND_MODE == RSDMethod)
  522. RSDDetectInit();
  523. #elif (TAILWIND_MODE == BEMFMethod)
  524. BEMFDetectInit();
  525. #elif (TAILWIND_MODE == FOCMethod)
  526. FocDetectInit();
  527. #endif
  528. }
  529. #if (TAILWIND_MODE == RSDMethod)
  530. {
  531. if (mcFocCtrl.State_Count > 0) // 顺逆风检测时间结束前判断转速
  532. {
  533. mcState = RSDStartProcess();
  534. }
  535. else // 时间结束 还未检测到有效转速 则当做静止启动
  536. {
  537. ClrBit(CMP_CR2, CMP0EN); // 关闭比较器
  538. ClrBit(TIM2_CR1, T2CEN); // 0,停止计数;1,使能计数
  539. mcFocCtrl.Start_Mode = STATIC_START;
  540. #if (ALIGN_MOME != ALIGN_DSIABLE)
  541. mcFocCtrl.mcPosCheckAngle = Align_Angle;
  542. mcState = mcAlign;
  543. mcFocCtrl.State_Count = Align_Time;
  544. #else
  545. mcState = mcStart;
  546. #endif
  547. }
  548. }
  549. #elif (TAILWIND_MODE == BEMFMethod)
  550. {
  551. if (mcFocCtrl.State_Count > 0) // 顺逆风检测时间结束前判断转速
  552. {
  553. mcState = Bemf_Start_Process();
  554. }
  555. else // 时间结束 还未检测到有效转速 则当做静止启动
  556. {
  557. ClrBit(CMP_CR2, CMP0EN); // 关闭比较器
  558. ClrBit(TIM1_CR0, T1BCEN); // 关闭定时器
  559. mcFocCtrl.Start_Mode = STATIC_START;
  560. #if (ALIGN_MOME != ALIGN_DSIABLE)
  561. mcFocCtrl.mcPosCheckAngle = Align_Angle;
  562. mcState = mcAlign;
  563. mcFocCtrl.State_Count = Align_Time;
  564. #else
  565. mcState = mcStart;
  566. #endif
  567. }
  568. }
  569. #elif (TAILWIND_MODE == FOCMethod)
  570. {
  571. if (mcFocCtrl.State_Count == 0) // 顺逆风检测时间结束判断转速
  572. {
  573. if ((mcFocCtrl.SpeedFlt >= S_Value(100)) && mcFocCtrl.EMFsquare >= 400) // 需要增加 判断保持时间
  574. {
  575. mcFocCtrl.Start_Mode = TAILWIND_START;
  576. mcState = mcStart;
  577. }
  578. else if ((mcFocCtrl.SpeedFlt < -S_Value(80)) && mcFocCtrl.EMFsquare >= 400)
  579. {
  580. McStaSet.SetFlag.TailWindSetFlag = 0; // 清除 顺逆风检测初始标志
  581. 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
  582. mcFocCtrl.Start_Mode = HEADWIND_START; // 逆风启动
  583. mcState = mcStart; // 状态机切换到Start
  584. }
  585. else
  586. {
  587. mcFocCtrl.Start_Mode = STATIC_START;
  588. mcState = mcStart;
  589. }
  590. }
  591. }
  592. #endif
  593. }
  594. /**
  595. * @brief 停止函数
  596. * @date 2022-09-14
  597. */
  598. void MC_Stop(void)
  599. {
  600. 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
  601. {
  602. #if (StopBrakeFlag == 0)
  603. {
  604. FOC_CR1 = 0x00;
  605. /*关闭FOC*/
  606. ClrBit(DRV_CR, FOCEN);
  607. MOE = 0;
  608. mcState = mcBrake;
  609. }
  610. #else
  611. {
  612. MOE = 0;
  613. MC_Break();
  614. mcState = mcBrake;
  615. mcFocCtrl.State_Count = StopWaitTime;
  616. }
  617. #endif
  618. }
  619. 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
  620. {
  621. mcState = mcRun;
  622. mcFocCtrl.CtrlMode = 0;
  623. FOC_IQREF = IQ_RUN_CURRENT;
  624. }
  625. }