Cadence.c 12 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 "Cadence.h"
  17. #include "CodePara.h"
  18. #include "api.h"
  19. #include "board_config.h"
  20. #ifdef RUN_ARCH_SIM
  21. #include "test_user.h"
  22. #endif
  23. /******************************
  24. *
  25. * Parameter
  26. *
  27. ******************************/
  28. CADENCE_COF cadence_stFreGetCof = CADENCE_COF_DEFAULT;
  29. CADENCE_OUT cadence_stFreGetOut = CADENCE_OUT_DEFAULT;
  30. static ULONG cad_pvt_ulCadFreqPu = 0;
  31. /***************************************************************
  32. Function: cadence_voCadenceCof;
  33. Description: cadence function coef cal
  34. Call by:
  35. Input Variables: N/A
  36. Output/Return Variables: N/A
  37. Subroutine Call: N/A;
  38. Reference: N/A
  39. ****************************************************************/
  40. void cadence_voCadenceCof(void)
  41. {
  42. // cadence_stFreGetCof.uwNumbersPulses = CADENCE_NUMBERS_PULSES;
  43. cadence_stFreGetCof.uwSartIntervalTimeCnt = CADENCE_START_INTERVALTIME / CADENCE_TIM_TIMERUNIT;
  44. cadence_stFreGetCof.uwNumbersValidPulse2Start = CADENCE_NUMBERS_VALIDPULSE2START;
  45. cadence_stFreGetCof.uwLfRecordTimeCnt = CADENCE_LF_RECORDTIME / CADENCE_TIM_TIMERUNIT;
  46. cadence_stFreGetCof.uwLfMinFrePu = ((((ULONG)CADENCE_LF_MINFRE << 10) / 100) << 10) / FBASE; // Q20
  47. cadence_stFreGetCof.uwHfMaxTimeCnt = CADENCE_HF_MAXTIME / CADENCE_TIM_TIMERUNIT;
  48. cadence_stFreGetCof.uwErrorResetCnt = CADENCE_ERROR_RESETTIME / CADENCE_TIM_TIMERUNIT;
  49. cadence_stFreGetCof.uwTimerUnit = CADENCE_TIM_TIMERUNIT;
  50. cadence_stFreGetCof.uwCadenceLPFgain = CADENCE_LPF_GAIN;
  51. cadence_stFreGetCof.uwMaxCadenceFre = ((ULONG)CADENCE_MAX_FREQUENCY << 20) / FBASE; // Q20
  52. }
  53. /***************************************************************
  54. Function: cadence_voCadenceIdle;
  55. Description:
  56. Call by:
  57. Input Variables: N/A
  58. Output/Return Variables: N/A
  59. Subroutine Call: N/A;
  60. Reference: N/A
  61. ****************************************************************/
  62. static void cadence_voCadenceIdle(UWORD source)
  63. {
  64. if (source == 1)
  65. {
  66. cadence_stFreGetOut.uwCaputureOverflowCnt++;
  67. if (cadence_stFreGetOut.uwCaputureOverflowCnt > cadence_stFreGetCof.uwSartIntervalTimeCnt)
  68. {
  69. cadence_stFreGetOut.uwCaputureOverflowCnt = 0;
  70. cadence_stFreGetOut.uwCaputureNumCnt = 0;
  71. }
  72. }
  73. else
  74. {
  75. if (cadence_stFreGetOut.cadence_dir == CADENCE_DIR_BACKWARD)
  76. {
  77. cadence_stFreGetOut.uwCaputureOverflowCnt = 0;
  78. cadence_stFreGetOut.uwCaputureNumCnt = 0;
  79. cadence_stFreGetOut.cadence_fsm = CADENCE_BACKWOR;
  80. }
  81. if (cadence_stFreGetOut.cadence_dir == CADENCE_DIR_FORWARD)
  82. {
  83. cadence_stFreGetOut.uwCaputureNumCnt++;
  84. cadence_stFreGetOut.uwCaputureOverflowCnt = 0;
  85. }
  86. if (cadence_stFreGetOut.uwCaputureNumCnt >= cadence_stFreGetCof.uwNumbersValidPulse2Start)
  87. {
  88. cadence_stFreGetOut.blCadenceCalStartState = TRUE;
  89. cadence_stFreGetOut.uwCaputureOverflowCnt = 0;
  90. cadence_stFreGetOut.uwCaputureNumCnt = 1;
  91. cadence_stFreGetOut.cadence_fsm = CADENCE_HFreWork;
  92. cadence_stFreGetOut.uwForwardCnt = 0;
  93. cadence_stFreGetOut.uwCaputure1Cnt = (UWORD)iCap_GetCaptureValue(0, CAP_CH(2));
  94. cad_pvt_ulCadFreqPu = 1 * CADENCESPEED_KMPERH2FREQPU;
  95. cadence_stFreGetOut.uwFrequencyPu = (UWORD)cad_pvt_ulCadFreqPu;
  96. cadence_stFreGetOut.uwLPFFrequencyPu = (cadence_stFreGetOut.uwLPFFrequencyPu * cadence_stFreGetCof.uwCadenceLPFgain +
  97. cadence_stFreGetOut.uwFrequencyPu * (100 - cadence_stFreGetCof.uwCadenceLPFgain)) /
  98. 100;
  99. }
  100. }
  101. }
  102. /***************************************************************
  103. Function: cadence_voCadenceHighFrequencyWork
  104. Description:
  105. Call by: functions in main loop
  106. Input Variables: N/A
  107. Output/Return Variables: N/A
  108. Subroutine Call: N/A
  109. Reference: N/A
  110. ****************************************************************/
  111. static ULONG ulCaputureCntErr = 0,ulCaputureCntErrLast = 0;
  112. UWORD testcadc;
  113. static void cadence_voCadenceHighFrequencyWork(UWORD source)
  114. {
  115. if (source == 1 && cadence_stFreGetOut.uwCaputureNumCnt == 1)
  116. {
  117. cadence_stFreGetOut.uwCaputureOverflowCnt++;
  118. }
  119. else if (source == 2)
  120. {
  121. if (cadence_stFreGetOut.uwCaputureNumCnt == 0)
  122. {
  123. cadence_stFreGetOut.uwCaputureNumCnt = 1;
  124. cadence_stFreGetOut.uwCaputure1Cnt = (UWORD)iCap_GetCaptureValue(0, CAP_CH(2));
  125. }
  126. else if (cadence_stFreGetOut.uwCaputureNumCnt == 1)
  127. {
  128. testcadc=0;
  129. cadence_stFreGetOut.uwForwardCnt++;
  130. cadence_stFreGetOut.uwCaputureNumCnt = 2;
  131. cadence_stFreGetOut.uwCaputure2Cnt = (UWORD)iCap_GetCaptureValue(0, CAP_CH(2));
  132. ulCaputureCntErrLast = ulCaputureCntErr;
  133. ulCaputureCntErr = ((ULONG)cadence_stFreGetOut.uwCaputureOverflowCnt * 720 * cadence_stFreGetCof.uwTimerUnit) -
  134. cadence_stFreGetOut.uwCaputure1Cnt + cadence_stFreGetOut.uwCaputure2Cnt;
  135. cadence_stFreGetOut.uwCaputureOverflowCnt = 0;
  136. /* Cadence Freq Cal */
  137. cad_pvt_ulCadFreqPu = (ULONG)(((UQWORD)HW_TIM1CLK_KHZ * 1000 << 20) / ((((UQWORD)ulCaputureCntErr + (UQWORD)ulCaputureCntErrLast)>>1)* cadence_stFreGetCof.uwNumbersPulses * FBASE));
  138. cadence_stFreGetOut.uwCaputureNumCnt = 1;
  139. cadence_stFreGetOut.uwCaputure1Cnt = cadence_stFreGetOut.uwCaputure2Cnt;
  140. }
  141. else
  142. {
  143. //do noting
  144. }
  145. }
  146. else
  147. {
  148. //do noting
  149. }
  150. if (cadence_stFreGetOut.cadence_dir == CADENCE_DIR_BACKWARD) // 100ms
  151. {
  152. cadence_stFreGetOut.cadence_fsm = CADENCE_BACKWOR;
  153. }
  154. if (cad_pvt_ulCadFreqPu > cadence_stFreGetCof.uwMaxCadenceFre)
  155. {
  156. cadence_stFreGetOut.uwFrequencyPu = 0;
  157. cadence_stFreGetOut.uwLPFFrequencyPu = 0;
  158. cadence_stFreGetOut.blCadenceCalStartState = FALSE;
  159. cadence_stFreGetOut.blCadenceSensorErrorFlg = TRUE;
  160. cadence_stFreGetOut.uwCaputureOverflowCnt = 0;
  161. cadence_stFreGetOut.uwCaputureNumCnt = 0;
  162. cadence_stFreGetOut.uwCaputure2Cnt = 0;
  163. cadence_stFreGetOut.uwCaputure1Cnt = 0;
  164. cadence_stFreGetOut.cadence_dir = CADENCE_DIR_ERROR;
  165. cadence_stFreGetOut.cadence_fsm = CADENCE_ERROR;
  166. cadence_stFreGetOut.uwFreqPercent = 0;
  167. cp_stHistoryPara.uwCadSensorAlamTimes++;
  168. }
  169. else if (cadence_stFreGetOut.uwCaputureOverflowCnt > cadence_stFreGetCof.uwHfMaxTimeCnt)
  170. {
  171. cadence_stFreGetOut.uwFrequencyPu = 0;
  172. cadence_stFreGetOut.uwLPFFrequencyPu = 0;
  173. cadence_stFreGetOut.blCadenceCalStartState = FALSE;
  174. cadence_stFreGetOut.blCadenceSensorErrorFlg = FALSE;
  175. cadence_stFreGetOut.uwCaputureOverflowCnt = 0;
  176. cadence_stFreGetOut.uwCaputureNumCnt = 0;
  177. cadence_stFreGetOut.uwCaputure2Cnt = 0;
  178. cadence_stFreGetOut.uwCaputure1Cnt = 0;
  179. cadence_stFreGetOut.cadence_dir = CADENCE_DIR_IDLE;
  180. cadence_stFreGetOut.cadence_fsm = CADENCE_IDLE;
  181. cadence_stFreGetOut.uwFreqPercent = 0;
  182. }
  183. else
  184. {
  185. cadence_stFreGetOut.uwFrequencyPu = cad_pvt_ulCadFreqPu;
  186. cadence_stFreGetOut.uwLPFFrequencyPu = (cadence_stFreGetOut.uwLPFFrequencyPu * cadence_stFreGetCof.uwCadenceLPFgain +
  187. cadence_stFreGetOut.uwFrequencyPu * (100 - cadence_stFreGetCof.uwCadenceLPFgain)) / 100;
  188. cadence_stFreGetOut.uwFreqPercent = (UWORD)(((ULONG)cadence_stFreGetOut.uwLPFFrequencyPu << 14) / cadence_stFreGetCof.uwMaxCadenceFre); // Q14
  189. }
  190. }
  191. /***************************************************************
  192. Function: cadence_voCadenceBackword
  193. Description:
  194. Call by: functions in main loop
  195. Input Variables: N/A
  196. Output/Return Variables: N/A
  197. Subroutine Call: N/A
  198. Reference: N/A
  199. ****************************************************************/
  200. static void cadence_voCadenceBackword(UWORD source)
  201. {
  202. cadence_stFreGetOut.uwFrequencyPu = 0;
  203. cadence_stFreGetOut.uwLPFFrequencyPu = 0;
  204. cadence_stFreGetOut.uwFreqPercent = 0;
  205. if (cadence_stFreGetOut.cadence_dir == CADENCE_DIR_FORWARD)
  206. {
  207. cadence_stFreGetOut.uwCaputureOverflowCnt = 0;
  208. cadence_stFreGetOut.uwCaputureNumCnt = 1;
  209. cadence_stFreGetOut.uwFreqPercent = 0;
  210. cadence_stFreGetOut.cadence_fsm = CADENCE_HFreWork;
  211. cadence_stFreGetOut.uwCaputure1Cnt = (UWORD)iCap_GetCaptureValue(0, CAP_CH(2));
  212. cad_pvt_ulCadFreqPu = 1 * CADENCESPEED_KMPERH2FREQPU;
  213. cadence_stFreGetOut.uwFrequencyPu = (UWORD)cad_pvt_ulCadFreqPu;
  214. cadence_stFreGetOut.uwLPFFrequencyPu = (cadence_stFreGetOut.uwLPFFrequencyPu * cadence_stFreGetCof.uwCadenceLPFgain +
  215. cadence_stFreGetOut.uwFrequencyPu * (100 - cadence_stFreGetCof.uwCadenceLPFgain)) /
  216. 100;
  217. }
  218. }
  219. /***************************************************************
  220. Function: cadence_voCadenceDir
  221. Description: cadence frequency get
  222. Call by: functions in main loop
  223. Input Variables: N/A
  224. Output/Return Variables: N/A
  225. Subroutine Call: N/A
  226. Reference: N/A
  227. ****************************************************************/
  228. static void cadence_voCadenceDir(void)
  229. {
  230. if (iGpio_Read(HW_GPIO_CADDIR_PIN) == 0)
  231. {
  232. cadence_stFreGetOut.cadence_dir = CADENCE_DIR_FORWARD;
  233. }
  234. else
  235. {
  236. cadence_stFreGetOut.cadence_dir = CADENCE_DIR_BACKWARD;
  237. }
  238. }
  239. /***************************************************************
  240. Function: cadence_voCadenceError
  241. Description:
  242. Call by:
  243. Input Variables: N/A
  244. Output/Return Variables: N/A
  245. Subroutine Call: N/A
  246. Reference: N/A
  247. ****************************************************************/
  248. static void cadence_voCadenceError(UWORD source)
  249. {
  250. if (source == 1)
  251. {
  252. cadence_stFreGetOut.uwCaputureErrorCnt++;
  253. }
  254. if (cadence_stFreGetOut.uwCaputureErrorCnt == cadence_stFreGetCof.uwErrorResetCnt)
  255. {
  256. cadence_voCadenceInit();
  257. cadence_stFreGetOut.cadence_fsm = CADENCE_IDLE;
  258. }
  259. }
  260. /***************************************************************
  261. Function: cadence_voFreGetInit
  262. Description: cadence frequency get initialization
  263. Call by:
  264. Input Variables: N/A
  265. Output/Return Variables: N/A
  266. Subroutine Call: N/A
  267. Reference: N/A
  268. ****************************************************************/
  269. void cadence_voCadenceInit(void)
  270. {
  271. cadence_stFreGetOut.uwFrequencyPu = 0;
  272. cadence_stFreGetOut.uwLPFFrequencyPu = 0;
  273. cadence_stFreGetOut.uwCaputure1Cnt = 0;
  274. cadence_stFreGetOut.uwCaputure2Cnt = 0;
  275. cadence_stFreGetOut.uwCaputureNumCnt = 0;
  276. cadence_stFreGetOut.uwCaputureErrorCnt = 0;
  277. cadence_stFreGetOut.uwCaputureOverflowCnt = 0;
  278. cadence_stFreGetOut.blCadenceSensorErrorFlg = FALSE;
  279. cadence_stFreGetOut.blCadenceCalStartState = FALSE;
  280. cadence_stFreGetOut.cadence_fsm = CADENCE_IDLE;
  281. cadence_stFreGetOut.cadence_dir = CADENCE_DIR_IDLE;
  282. }
  283. /***************************************************************
  284. Function: cadence_voCadenceCal
  285. Description: cadence frequency get
  286. Call by:
  287. Input Variables: N/A
  288. Output/Return Variables: N/A
  289. Subroutine Call: N/A
  290. Reference: N/A
  291. ****************************************************************/
  292. void cadence_voCadenceCal(UWORD source)
  293. {
  294. cadence_voCadenceDir();
  295. switch (cadence_stFreGetOut.cadence_fsm)
  296. {
  297. case CADENCE_IDLE:
  298. cadence_voCadenceIdle(source);
  299. break;
  300. case CADENCE_HFreWork:
  301. cadence_voCadenceHighFrequencyWork(source);
  302. break;
  303. case CADENCE_BACKWOR:
  304. cadence_voCadenceBackword(source);
  305. break;
  306. case CADENCE_ERROR:
  307. cadence_voCadenceError(source);
  308. break;
  309. default:
  310. break;
  311. }
  312. }
  313. /*************************************************************************
  314. End of this File (EOF)!
  315. Do not put anything after this part!
  316. *************************************************************************/