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