foc_core.c 5.1 KB

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  1. #include "os/os_task.h"
  2. #include "bsp/pwm.h"
  3. #include "bsp/adc.h"
  4. #include "bsp/mc_hall_gpio.h"
  5. #include "foc/core/foc_core.h"
  6. #include "foc/motor/current.h"
  7. #include "foc/core/e_ctrl.h"
  8. #include "foc/foc_config.h"
  9. #include "bsp/timer_count32.h"
  10. #include "libs/time_measure.h"
  11. #include "libs/logger.h"
  12. pmsm_foc_t pmsm_foc = {0};
  13. extern void PMSM_FOC_Init(void);
  14. extern ExtU *PMSM_FOC_GetInputs(void);
  15. extern ExtY *PMSM_FOC_GetOutputs(void);
  16. extern void PMSM_FOC_Step(void);
  17. void PMSM_FOC_CoreInit(void) {
  18. mc_hall_init();
  19. eCtrl_init(0, 0); //default
  20. PMSM_FOC_Init();
  21. pmsm_foc.FOC_In = PMSM_FOC_GetInputs();
  22. pmsm_foc.FOC_Out = PMSM_FOC_GetOutputs();
  23. PMSM_FOC_iBusLimit(S16Q5(Default_DC_iLimit));
  24. PMSM_FOC_SpeedLimit(S32Q4(Default_Spd_Limit));
  25. }
  26. static __INLINE void PMSM_FOC_PWMCurrent_Update(void) {
  27. current_samp_t *cs = get_phase_sample_point(pmsm_foc.FOC_Out->n_Sector);
  28. pwm_update_duty(pmsm_foc.FOC_Out->pwm_Duty[0], pmsm_foc.FOC_Out->pwm_Duty[1], pmsm_foc.FOC_Out->pwm_Duty[2]);
  29. pwm_update_sample(cs->time.Samp_p1, cs->time.Samp_p2, cs->sector);
  30. }
  31. void PMSM_FOC_Schedule(void) {
  32. u8 hall[3];
  33. pwm_clear_updata();
  34. phase_current_sample(&pmsm_foc.FOC_In->adc_Pha, &pmsm_foc.FOC_In->adc_Phb);
  35. pmsm_foc.FOC_In->us_Count = hall_get_hwcount(hall);
  36. pmsm_foc.FOC_In->hall_A = hall[0];
  37. pmsm_foc.FOC_In->hall_B = hall[1];
  38. pmsm_foc.FOC_In->hall_C = hall[2];
  39. if (pmsm_foc.FOC_In->n_ctrlModReq == SPD_MODE) {
  40. pmsm_foc.FOC_In->spd_Target = S32Q4(eCtrl_get_RefSpd());
  41. pmsm_foc.FOC_In->idq_Target = S16Q5(eCtrl_get_FinalTorque());
  42. }else if(pmsm_foc.FOC_In->n_ctrlModReq == TRQ_MODE){
  43. pmsm_foc.FOC_In->spd_Target = S32Q4(eCtrl_get_FinalSpd());
  44. pmsm_foc.FOC_In->idq_Target = S16Q5(eCtrl_get_RefTorque());
  45. }
  46. PMSM_FOC_Step();
  47. PMSM_FOC_PWMCurrent_Update();
  48. }
  49. void PMSM_FOC_Start(u8 nCtrlMode) {
  50. if (pmsm_foc.b_FocEna) {
  51. return;
  52. }
  53. pmsm_foc.b_FocEna = true;
  54. pmsm_foc.FOC_In->b_motEna = true;
  55. pmsm_foc.FOC_In->n_ctrlModReq = nCtrlMode;
  56. pmsm_foc.FOC_In->b_cruiseEna = 0;
  57. pmsm_foc.FOC_In->FOC_Flags = 0;
  58. pmsm_foc.FOC_In->spd_Target = 0;
  59. pmsm_foc.FOC_In->idq_Target = 0;
  60. pmsm_foc.FOC_In->vdq_Open[0] = 0;
  61. pmsm_foc.FOC_In->vdq_Open[1] = 0;
  62. }
  63. void PMSM_FOC_Stop(void) {
  64. if (!pmsm_foc.b_FocEna) {
  65. return;
  66. }
  67. pmsm_foc.b_FocEna = false;
  68. memset(pmsm_foc.FOC_In, 0, sizeof(ExtU));
  69. }
  70. void PMSM_FOC_iBusLimit(_s16q5_t ibusLimit) {
  71. pmsm_foc.FOC_In->iDC_Limit = (ibusLimit);
  72. }
  73. void PMSM_FOC_SpeedLimit(_s32q4_t speedLimit) {
  74. pmsm_foc.FOC_In->spd_Limit = (speedLimit);
  75. }
  76. float PMSM_FOC_GetSpeedLimit(void) {
  77. return S32Q4toF(pmsm_foc.FOC_In->spd_Limit);
  78. }
  79. void PMSM_FOC_VbusVoltage(_s16q5_t vbusVol) {
  80. pmsm_foc.FOC_In->vDC = (vbusVol);
  81. }
  82. void PMSM_FOC_SetCtrlMode(uint8_T mode) {
  83. pmsm_foc.FOC_In->n_ctrlModReq = mode;
  84. }
  85. void PMSM_FOC_SetOpenVdq(_s16q5_t vd, _s16q5_t vq) {
  86. pmsm_foc.FOC_In->vdq_Open[0] = (vd);
  87. pmsm_foc.FOC_In->vdq_Open[1] = (vq);
  88. }
  89. bool PMSM_FOC_EnableCruise(boolean_T enable) {
  90. if (enable) {
  91. float motSpd = PMSM_FOC_GetSpeed();
  92. if (motSpd < MIN_CRUISE_RPM) { //
  93. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  94. return false;
  95. }
  96. eCtrl_set_TargetSpeed(motSpd);
  97. }
  98. pmsm_foc.FOC_In->b_cruiseEna = enable;
  99. return true;
  100. }
  101. bool PMSM_FOC_Is_CruiseEnabled(void) {
  102. return (pmsm_foc.FOC_In->b_cruiseEna && (pmsm_foc.FOC_Out->n_runingMode == SPD_MODE));
  103. }
  104. bool PMSM_FOC_Set_Speed(float rpm) {
  105. if (pmsm_foc.FOC_In->b_cruiseEna) {
  106. return false;
  107. }
  108. eCtrl_set_TargetSpeed(rpm);
  109. return true;
  110. }
  111. bool PMSM_FOC_Set_Current(float current) {
  112. eCtrl_set_TrqCurrent(current);
  113. return true;
  114. }
  115. bool PMSM_FOC_Set_CruiseSpeed(float rpm) {
  116. if (PMSM_FOC_Is_CruiseEnabled()) {
  117. eCtrl_set_TargetSpeed(rpm);
  118. return true;
  119. }
  120. PMSM_FOC_SetErrCode(FOC_NotCruiseMode);
  121. return false;
  122. }
  123. void PMSM_FOC_HallCalibrate(boolean_T b_caliHall, _s16q5_t open_vd) {
  124. uint16_T foc_cali = 0;
  125. if (b_caliHall) {
  126. foc_cali = FOC_CALIMOD_HALL;
  127. }
  128. if ((pmsm_foc.FOC_In->FOC_Flags & FOC_CALIMOD_HALL) == foc_cali) {
  129. return;
  130. }
  131. if (pmsm_foc.FOC_In->b_motEna == b_caliHall) { //motor must be stoped when start cali
  132. return;
  133. }
  134. pmsm_foc.FOC_In->FOC_Flags &= ~(FOC_CALIMOD_HALL);
  135. pmsm_foc.FOC_In->b_motEna = b_caliHall;
  136. pmsm_foc.FOC_In->FOC_Flags |= foc_cali;
  137. pmsm_foc.FOC_In->vdq_Open[0] = (open_vd);
  138. pmsm_foc.FOC_In->vdq_Open[1] = 0;
  139. pmsm_foc.FOC_In->n_ctrlModReq = OPEN_MODE;
  140. }
  141. float PMSM_FOC_GetSpeed(void) {
  142. return S32Q4toF(pmsm_foc.FOC_Out->f_MotRPM);
  143. }
  144. void PMSM_FOC_SetErrCode(u8 code) {
  145. pmsm_foc.error_code = code;
  146. }
  147. u8 PMSM_FOC_GetErrCode(void) {
  148. return pmsm_foc.error_code;
  149. }
  150. //获取母线电流
  151. float PMSM_FOC_Get_iDC(void) {
  152. s32 vd = pmsm_foc.FOC_Out->f_Vdq[0];
  153. s32 vq = pmsm_foc.FOC_Out->f_Vdq[1];
  154. s32 id = pmsm_foc.FOC_Out->f_Idq[0];
  155. s32 iq = pmsm_foc.FOC_Out->f_Idq[1];
  156. /*
  157. 根据公式(等幅值变换,功率不等):
  158. iDC x vDC = 2/3(iq x vq + id x vd);
  159. */
  160. s32 m_pow = (vd * id + vq * iq); //s32q10
  161. s16 iDC = m_pow / pmsm_foc.FOC_In->vDC; //s16q5
  162. return S16Q5toF(iDC) * 0.667f;
  163. }
  164. void PMSM_FOC_Brake(bool brake) {
  165. pmsm_foc.b_brake_in = brake;
  166. if (!pmsm_foc.FOC_In->b_motEna) {
  167. return;
  168. }
  169. if (pmsm_foc.b_brake_in & pmsm_foc.FOC_In->b_cruiseEna) {
  170. pmsm_foc.FOC_In->b_cruiseEna = false;
  171. }
  172. eCtrl_brake_signal(brake);
  173. }