bikespeed.c 16 KB

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  1. /**
  2. * @file Cadence.c
  3. * @author Wang, Zhiyu(wangzy49@midea.com)
  4. * @brief Cadence of ebike
  5. * @version 0.1
  6. * @date 2021-09-29
  7. *
  8. * @copyright Copyright (c) 2021
  9. *
  10. */
  11. /************************************************************************
  12. Beginning of File, do not put anything above here except notes
  13. Compiler Directives:
  14. *************************************************************************/
  15. #include "syspar.h"
  16. #include "typedefine.h"
  17. #include "mathtool.h"
  18. #include "bikespeed.h"
  19. #include "CodePara.h"
  20. #include "asr.h"
  21. #include "user.h"
  22. #include "can.h"
  23. #include "canAppl.h"
  24. #include "hwsetup.h"
  25. /******************************
  26. *
  27. * Parameter
  28. *
  29. ******************************/
  30. BIKESPEED_COF bikespeed_stFreGetCof = BIKESPEED_COF_DEFAULT;
  31. BIKESPEED_OUT bikespeed_stFreGetOut = BIKESPEED_OUT_DEFAULT;
  32. MOTORSPEED_OUT bikeSpdPIOut;
  33. BikeSpdPI_IN bikespdPIin;
  34. BikeSpdCoef bikespeedcof;
  35. /***************************************************************
  36. Function: bikespeed_voBikeSpeedCof;
  37. Description: Bike speed cof calculation
  38. Call by: functions in main loop;
  39. Input Variables: N/A
  40. Output/Return Variables: N/A
  41. Subroutine Call: N/A;
  42. Reference: N/A
  43. ****************************************************************/
  44. void bikespeed_voBikeSpeedCof(void)
  45. {
  46. // bikespeed_stFreGetCof.uwNumbersPulses = BIKESPEED_NUMBERS_PULSES;
  47. bikespeed_stFreGetCof.uwSartIntervalTimeCnt = BIKESPEED_START_INTERVALTIME / BIKESPEED_TIM_TIMERUNIT;
  48. bikespeed_stFreGetCof.uwNumbersValidPulse2Start = BIKESPEED_NUMBERS_VALIDPULSE2START;
  49. bikespeed_stFreGetCof.uwHfMinTimeCnt = BIKESPEED_HF_MINTIME / BIKESPEED_TIM_TIMERUNIT;
  50. bikespeed_stFreGetOut.uwCaputureOverflowMinCnt= bikespeed_stFreGetCof.uwHfMinTimeCnt;
  51. bikespeed_stFreGetCof.uwErrorResetCnt = BIKESPEED_ERROR_RESETTIME / BIKESPEED_TIM_TIMERUNIT;
  52. bikespeed_stFreGetCof.uwTimerUnit = BIKESPEED_TIM_TIMERUNIT;
  53. bikespeed_stFreGetCof.uwBikeSpeedLPFGain = BIKESPEED_LPF_GAIN;
  54. bikespeed_stFreGetCof.uwMaxBikeSpeedFre = ((ULONG)BIKESPEED_MAX_FREQUENCY << 20) / FBASE;
  55. bikespeed_stFreGetCof.uwBikespeedPwrErrorCnt = BIKESPEED_POWER_ERROR_DETECT / BIKESPEED_POWER_ERROR_TIMEUNIT;
  56. bikespeed_stFreGetCof.uwBikespeedPwrRecoverCnt = BIKESPEED_POWER_ERROR_RECOVER / BIKESPEED_POWER_ERROR_TIMEUNIT;
  57. bikespeed_stFreGetCof.uwBikespeedPwrErrorVoltagePuDown = ((ULONG)BIKESPEED_POWER_ERROR_VOLTAGE_DOWN << 14) / VBASE;
  58. bikespeed_stFreGetCof.uwBikespeedPwrErrorVoltagePuUp = ((ULONG)BIKESPEED_POWER_ERROR_VOLTAGE_UP << 14) / VBASE;
  59. bikespeed_stFreGetCof.uwWheelDiameter = 600;
  60. bikespeed_stFreGetCof.uwMinTriptoUpdate = 100; // 100m
  61. }
  62. /***************************************************************
  63. Function: bikespeed_voBikeSpeedIdle;
  64. Description: bike speed function in idel state
  65. Call by: functions in main loop;
  66. Input Variables: N/A
  67. Output/Return Variables: N/A
  68. Subroutine Call: N/A;
  69. Reference: N/A
  70. ****************************************************************/
  71. static void bikespeed_voBikeSpeedIdle(UWORD source)
  72. {
  73. if (source == 1)
  74. {
  75. bikespeed_stFreGetOut.uwCaputureOverflowCnt++;
  76. if (bikespeed_stFreGetOut.uwCaputureOverflowCnt > (30000 / bikespeed_stFreGetCof.uwTimerUnit)) // 30s
  77. {
  78. bikespeed_stFreGetOut.uwCaputureOverflowCnt = 0;
  79. }
  80. }
  81. else
  82. {
  83. if (bikespeed_stFreGetOut.uwCaputureNumCnt != 0 && bikespeed_stFreGetOut.uwCaputureOverflowCnt > bikespeed_stFreGetCof.uwSartIntervalTimeCnt)
  84. {
  85. bikespeed_stFreGetOut.uwCaputureOverflowCnt = 0;
  86. bikespeed_stFreGetOut.uwCaputureNumCnt = 0;
  87. }
  88. bikespeed_stFreGetOut.uwCaputureNumCnt++;
  89. bikespeed_stFreGetOut.uwCaputureOverflowCnt = 0;
  90. if (bikespeed_stFreGetOut.uwCaputureNumCnt == bikespeed_stFreGetCof.uwNumbersValidPulse2Start)
  91. {
  92. bikespeed_stFreGetOut.blBikeSpeedCalStartState = TRUE;
  93. bikespeed_stFreGetOut.uwCaputureOverflowCnt = 0;
  94. bikespeed_stFreGetOut.uwCaputureNumCnt = 0;
  95. bikespeed_stFreGetOut.bikespeed_fsm = BIKESPEED_WORK;
  96. }
  97. }
  98. }
  99. /***************************************************************
  100. Function: bikespeed_voBikeSpeedWork;
  101. Description: bike speed function in work state
  102. Call by: functions in main loop;
  103. Input Variables: N/A
  104. Output/Return Variables: N/A
  105. Subroutine Call: N/A;
  106. Reference: N/A
  107. ****************************************************************/
  108. static void bikespeed_voBikeSpeedWork(UWORD source)
  109. {
  110. ULONG ulCaputureCntErr = 0;
  111. if (source == 1 && bikespeed_stFreGetOut.uwCaputureNumCnt == 1)
  112. {
  113. bikespeed_stFreGetOut.uwCaputureOverflowCnt++;
  114. }
  115. else if (source == 3)
  116. {
  117. if (bikespeed_stFreGetOut.uwCaputureNumCnt == 0)
  118. {
  119. bikespeed_stFreGetOut.uwCaputureNumCnt = 1;
  120. bikespeed_stFreGetOut.uwCaputure1Cnt = (UWORD)TIMER1_CAP_BIKESPD;
  121. }
  122. else if (bikespeed_stFreGetOut.uwCaputureNumCnt == 1)
  123. {
  124. bikespeed_stFreGetOut.uwCaputureNumCnt = 2;
  125. bikespeed_stFreGetOut.uwCaputure2Cnt = (UWORD)TIMER1_CAP_BIKESPD;
  126. ulCaputureCntErr = ((SQWORD)bikespeed_stFreGetOut.uwCaputureOverflowCnt * (720 * bikespeed_stFreGetCof.uwTimerUnit)) -
  127. bikespeed_stFreGetOut.uwCaputure1Cnt + bikespeed_stFreGetOut.uwCaputure2Cnt;
  128. bikespeed_stFreGetOut.uwCaputureOverflowMinCnt = bikespeed_stFreGetOut.uwCaputureOverflowCnt << 1;
  129. if(bikespeed_stFreGetOut.uwCaputureOverflowMinCnt > bikespeed_stFreGetCof.uwHfMinTimeCnt)
  130. {
  131. bikespeed_stFreGetOut.uwCaputureOverflowMinCnt = bikespeed_stFreGetCof.uwHfMinTimeCnt;
  132. }
  133. else
  134. {
  135. }
  136. // ulCaputureCntErr = ((SQWORD)bikespeed_stFreGetOut.uwCaputureOverflowCnt*(72000000/100/(1000/bikespeed_stFreGetCof.uwTimerUnit))) -
  137. // bikespeed_stFreGetOut.uwCaputure1Cnt + bikespeed_stFreGetOut.uwCaputure2Cnt;
  138. bikespeed_stFreGetOut.uwFrequencyPu =
  139. (UWORD)(((SQWORD)720000 << 20) / ((SQWORD)ulCaputureCntErr * bikespeed_stFreGetCof.uwNumbersPulses * FBASE));
  140. bikespeed_stFreGetOut.uwCaputure1Cnt = bikespeed_stFreGetOut.uwCaputure2Cnt;
  141. bikespeed_stFreGetOut.uwBikeForwardCnt++;
  142. bikespeed_stFreGetOut.uwCaputureOverflowCnt = 0;
  143. bikespeed_stFreGetOut.uwCaputureNumCnt = 1;
  144. }
  145. }
  146. if (bikespeed_stFreGetOut.uwCaputureOverflowCnt >= bikespeed_stFreGetOut.uwCaputureOverflowMinCnt) //
  147. {
  148. bikespeed_stFreGetOut.uwFrequencyPu = 0;
  149. bikespeed_stFreGetOut.blBikeSpeedCalStartState = FALSE;
  150. bikespeed_stFreGetOut.uwCaputureOverflowCnt = 0;
  151. bikespeed_stFreGetOut.uwCaputureNumCnt = 0;
  152. bikespeed_stFreGetOut.uwCaputure2Cnt = 0;
  153. bikespeed_stFreGetOut.uwCaputure1Cnt = 0;
  154. bikespeed_stFreGetOut.bikespeed_fsm = BIKESPEED_IDLE;
  155. bikespeed_stFreGetOut.uwCaputureOverflowMinCnt = bikespeed_stFreGetCof.uwHfMinTimeCnt;
  156. }
  157. if (bikespeed_stFreGetOut.uwLPFFrequencyPu >= bikespeed_stFreGetCof.uwMaxBikeSpeedFre) // 100ms
  158. {
  159. bikespeed_stFreGetOut.uwFrequencyPu = 0;
  160. bikespeed_stFreGetOut.blBikeSpeedCalStartState = FALSE;
  161. bikespeed_stFreGetOut.uwCaputureOverflowCnt = 0;
  162. bikespeed_stFreGetOut.uwCaputureNumCnt = 0;
  163. bikespeed_stFreGetOut.uwCaputure2Cnt = 0;
  164. bikespeed_stFreGetOut.uwCaputure1Cnt = 0;
  165. bikespeed_stFreGetOut.bikespeed_fsm = BIKESPEED_ERROR;
  166. bikespeed_stFreGetOut.blBikeSpeedSensorErrorFlg = TRUE;
  167. bikespeed_stFreGetOut.uwCaputureOverflowMinCnt = bikespeed_stFreGetCof.uwHfMinTimeCnt;
  168. cp_stHistoryPara.uwBikeSpdSensorAlamTimes++;
  169. }
  170. }
  171. /***************************************************************
  172. Function: bikespeed_voBikeSpeedError;
  173. Description: bike speed error judge
  174. Call by: functions in main loop;
  175. Input Variables: N/A
  176. Output/Return Variables: N/A
  177. Subroutine Call: N/A;
  178. Reference: N/A
  179. ****************************************************************/
  180. static void bikespeed_voBikeSpeedError(UWORD source)
  181. {
  182. if (source == 1)
  183. {
  184. bikespeed_stFreGetOut.uwCaputureErrorCnt++;
  185. }
  186. if (bikespeed_stFreGetOut.blBikeSpeedSensorPwrErrorFlg != TRUE &&
  187. bikespeed_stFreGetOut.uwCaputureErrorCnt >= bikespeed_stFreGetCof.uwErrorResetCnt)
  188. {
  189. bikespeed_voBikeSpeedInit();
  190. }
  191. }
  192. void bikespeed_voGetBikeSpeedPwrError(UWORD BikeSpeedPwrVolPu)
  193. {
  194. if ((bikespeed_stFreGetOut.blBikeSpeedSensorPwrErrorFlg != TRUE) && (BikeSpeedPwrVolPu > bikespeed_stFreGetCof.uwBikespeedPwrErrorVoltagePuUp ||
  195. BikeSpeedPwrVolPu < bikespeed_stFreGetCof.uwBikespeedPwrErrorVoltagePuDown))
  196. {
  197. bikespeed_stFreGetOut.uwBikespeedPwrErrorCnt++;
  198. if (bikespeed_stFreGetOut.uwBikespeedPwrErrorCnt == bikespeed_stFreGetCof.uwBikespeedPwrErrorCnt)
  199. {
  200. bikespeed_stFreGetOut.bikespeed_fsm = BIKESPEED_ERROR;
  201. bikespeed_stFreGetOut.blBikeSpeedSensorPwrErrorFlg = TRUE;
  202. bikespeed_stFreGetOut.uwBikespeedPwrErrorCnt = 0;
  203. cp_stHistoryPara.uwBikeSpdSensorAlamTimes++;
  204. }
  205. }
  206. else
  207. {
  208. bikespeed_stFreGetOut.uwBikespeedPwrErrorCnt = 0;
  209. }
  210. if ((bikespeed_stFreGetOut.blBikeSpeedSensorPwrErrorFlg == TRUE) && (BikeSpeedPwrVolPu < bikespeed_stFreGetCof.uwBikespeedPwrErrorVoltagePuUp &&
  211. BikeSpeedPwrVolPu > bikespeed_stFreGetCof.uwBikespeedPwrErrorVoltagePuDown))
  212. {
  213. bikespeed_stFreGetOut.uwBikespeedPwrRecoverCnt++;
  214. if (bikespeed_stFreGetOut.uwBikespeedPwrRecoverCnt == bikespeed_stFreGetCof.uwBikespeedPwrRecoverCnt)
  215. {
  216. bikespeed_stFreGetOut.bikespeed_fsm = BIKESPEED_IDLE;
  217. bikespeed_stFreGetOut.blBikeSpeedSensorPwrErrorFlg = FALSE;
  218. bikespeed_stFreGetOut.uwBikespeedPwrRecoverCnt = 0;
  219. bikespeed_stFreGetOut.uwCaputureErrorCnt = 0;
  220. }
  221. }
  222. else
  223. {
  224. bikespeed_stFreGetOut.uwBikespeedPwrRecoverCnt = 0;
  225. }
  226. }
  227. /***************************************************************
  228. Function: bikespeed_voBikeSpeedInit;
  229. Description: Bike speed initialization
  230. Call by: functions in main loop;
  231. Input Variables: N/A
  232. Output/Return Variables: N/A
  233. Subroutine Call: N/A;
  234. Reference: N/A
  235. ****************************************************************/
  236. void bikespeed_votempTripCal(void)
  237. {
  238. UWORD Temptrip;
  239. Temptrip = ((ULONG)bikespeed_stFreGetCof.uwWheelDiameter * 3216 * bikespeed_stFreGetOut.uwBikeForwardCnt / 1000) >> 10; // 3216 = Q10(3.1415926) m
  240. if (Temptrip > bikespeed_stFreGetCof.uwMinTriptoUpdate)
  241. {
  242. bikespeed_stFreGetOut.uwBikeForwardCnt = 0;
  243. bikespeed_stFreGetOut.blUpdateTripCntFlg = TRUE;
  244. }
  245. }
  246. /***************************************************************
  247. Function: bikespeed_voBikeSpeedInit;
  248. Description: Bike speed initialization
  249. Call by: functions in main loop;
  250. Input Variables: N/A
  251. Output/Return Variables: N/A
  252. Subroutine Call: N/A;
  253. Reference: N/A
  254. ****************************************************************/
  255. void bikespeed_voBikeSpeedInit(void)
  256. {
  257. bikespeed_stFreGetOut.uwFrequencyPu = 0;
  258. bikespeed_stFreGetOut.uwLPFFrequencyPu = 0;
  259. bikespeed_stFreGetOut.uwCaputure1Cnt = 0;
  260. bikespeed_stFreGetOut.uwCaputure2Cnt = 0;
  261. bikespeed_stFreGetOut.uwCaputureNumCnt = 0;
  262. bikespeed_stFreGetOut.uwCaputureOverflowCnt = 0;
  263. bikespeed_stFreGetOut.uwCaputureErrorCnt = 0;
  264. bikespeed_stFreGetOut.blBikeSpeedSensorErrorFlg = FALSE;
  265. bikespeed_stFreGetOut.blBikeSpeedCalStartState = FALSE;
  266. bikespeed_stFreGetOut.bikespeed_fsm = BIKESPEED_IDLE;
  267. bikespeed_stFreGetOut.uwBikespeedPwrErrorCnt = FALSE;
  268. bikespeed_stFreGetOut.uwBikespeedPwrErrorCnt = 0;
  269. bikespeed_stFreGetOut.uwBikespeedPwrRecoverCnt = 0;
  270. }
  271. /***************************************************************
  272. Function: bikespeed_voBikeSpeedCal;
  273. Description: bike speed FSM
  274. Call by: functions in main loop;
  275. Input Variables: N/A
  276. Output/Return Variables: N/A
  277. Subroutine Call: N/A;
  278. Reference: N/A
  279. ****************************************************************/
  280. void bikespeed_voBikeSpeedCal(UWORD source)
  281. {
  282. switch (bikespeed_stFreGetOut.bikespeed_fsm)
  283. {
  284. case BIKESPEED_IDLE:
  285. bikespeed_voBikeSpeedIdle(source);
  286. break;
  287. case BIKESPEED_WORK:
  288. bikespeed_voBikeSpeedWork(source);
  289. break;
  290. case BIKESPEED_ERROR:
  291. bikespeed_voBikeSpeedError(source);
  292. break;
  293. default:
  294. break;
  295. }
  296. }
  297. /***************************************************************
  298. Function: bikespeedinput, motorspeedoutput;
  299. Description:
  300. Call by: ;
  301. Input Variables: N/A
  302. Output/Return Variables: N/A
  303. Subroutine Call: N/A;
  304. Reference: N/A
  305. ****************************************************************/
  306. void bikemotorspdCoef(void)
  307. {
  308. bikespeedcof.uwKpPu = 20000 ; //Q15
  309. bikespeedcof.uwKiPu = 8000 ; //Q15
  310. }
  311. void bikemotorspdref(void)
  312. {
  313. SWORD BikeSpeedKmHREF = 0; //km/h
  314. SLONG slBikeSpdRefPu = 0; //Q20
  315. if(MC_ControlCode.GearSt == 0x01)
  316. {
  317. BikeSpeedKmHREF=10;
  318. }
  319. else if(MC_ControlCode.GearSt == 0x02)
  320. {
  321. BikeSpeedKmHREF=15;
  322. }
  323. else if(MC_ControlCode.GearSt == 0x03)
  324. {
  325. BikeSpeedKmHREF=20;
  326. }
  327. else if(MC_ControlCode.GearSt == 0x04)
  328. {
  329. BikeSpeedKmHREF=25;
  330. }
  331. else if(MC_ControlCode.GearSt == 0x33 || MC_ControlCode.GearSt == 0x05)
  332. {
  333. BikeSpeedKmHREF=30;
  334. }
  335. else
  336. {
  337. }
  338. slBikeSpdRefPu = BikeSpeedKmHREF * 1000 * 29127 / ass_ParaCong.uwWheelDiameter / FBASE ; //f(Q20)
  339. bikespdPIin.slSpdRefPu = slBikeSpdRefPu; // Q20
  340. bikespdPIin.slSpdFdkPu = bikespeed_stFreGetOut.uwLPFFrequencyPu ; //Q20
  341. bikespdPIin.swbikespdMax= USER_MOTOR_5500RPM2PU ; // Q15
  342. bikespdPIin.swbikespdMin= - USER_MOTOR_5500RPM2PU ;
  343. BikeSpdPI(&bikespdPIin, &bikeSpdPIOut);
  344. }
  345. void BikeSpdPI(BikeSpdPI_IN *in, MOTORSPEED_OUT *out)
  346. {
  347. SLONG slbikespeederr;
  348. SLONG slDeltaErr;
  349. SQWORD motorspeedrefp;
  350. SQWORD motorspeedrefi;
  351. SLONG slmotorspdMax;
  352. SLONG slmotorspdMin;
  353. SQWORD motorspeedref;
  354. slmotorspdMax = in-> swbikespdMax << 15; //Q30
  355. slmotorspdMin = in-> swbikespdMin << 15; //Q30
  356. /* Calculate the error */
  357. slbikespeederr = in->slSpdRefPu - in->slSpdFdkPu ; //Q20
  358. if (slbikespeederr > 1048576L)
  359. {
  360. slbikespeederr = 1048576L;
  361. }
  362. else if (slbikespeederr < -1048576L)
  363. {
  364. slbikespeederr = -1048576L;
  365. }
  366. else
  367. {
  368. /* Nothing */
  369. }
  370. /* Calculate the delta error */
  371. slDeltaErr = slbikespeederr - out->slErrorZ1; //Q20
  372. if (slDeltaErr > 1048576L)
  373. {
  374. slDeltaErr = 1048576L;
  375. }
  376. else if (slDeltaErr < -1048576L)
  377. {
  378. slDeltaErr = -1048576L;
  379. }
  380. else
  381. {
  382. /* Nothing */
  383. }
  384. //kp output
  385. motorspeedrefp = (SQWORD)slDeltaErr * bikespeedcof.uwKpPu >> 5 ; //Q30
  386. /* Calculate the integral output */
  387. motorspeedrefi = (SQWORD)slbikespeederr * bikespeedcof.uwKiPu >> 5 ; //Q30
  388. /* Calculate the Controller output */
  389. motorspeedref = motorspeedrefp + motorspeedrefi + out->slmotorspeedref ; //Q30
  390. /* motorspeed output limit */
  391. if (motorspeedref > slmotorspdMax)
  392. {
  393. out->slmotorspeedref = slmotorspdMax;
  394. }
  395. else if (motorspeedref < slmotorspdMin)
  396. {
  397. out->slmotorspeedref = slmotorspdMin;
  398. }
  399. else
  400. {
  401. out->slmotorspeedref = motorspeedref;
  402. }
  403. if( (in->slSpdRefPu == 0) && ( in->slSpdFdkPu == 0))
  404. {
  405. out->slmotorspeedref = 0 ;
  406. }
  407. out->swMotorSpeedRef = out->slmotorspeedref >> 15 ; // motorspeedrmp,Q15
  408. out->slErrorZ1 = slbikespeederr ;
  409. out->swSpdRefRpm = ((SLONG)out->swMotorSpeedRef * cof_uwVbRpm) >> 15 ;
  410. }
  411. void bikeSpdPIOutInit(void)
  412. {
  413. bikeSpdPIOut.slErrorZ1 = 0;
  414. bikeSpdPIOut.slmotorspeedref = 0;
  415. bikeSpdPIOut.swMotorSpeedRef = 0;
  416. bikeSpdPIOut.swSpdRefRpm = 0 ;
  417. }
  418. /*************************************************************************
  419. Local Functions (N/A)
  420. *************************************************************************/
  421. /*************************************************************************
  422. End of this File (EOF)!
  423. Do not put anything after this part!
  424. *************************************************************************/