V2.4
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qiyongshuang
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/********************************** (C) COPYRIGHT *******************************
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* File Name : M8_Protection.c
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* Author : WCH
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* Version : V1.0.0
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* Date : 2026/04/23
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* Description : Protection parameter initialization, protection state setting
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*********************************************************************************
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* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
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* Attention: This software (modified or not) and binary are used for
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* microcontroller manufactured by Nanjing Qinheng Microelectronics.
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*******************************************************************************/
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#include "M0_Control_Library.h"
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InstPhaseOC_Type InstPhaseOC_M;
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DCbusProtection_Type DCBusProtecion_M;
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OverLoad_Type Overload_M;
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LPF_First_Order_Type OverloadLPF1st_M;
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Phaseloss_Type Phaseloss_M;
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/******************************************************************************
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* Function Name : Protection_and_Emergency_Parameter_Define
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* Description : Fault protection parameter initialization
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* Input : None
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* Output : None
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* Return : None
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******************************************************************************/
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void Protection_and_Emergency_Parameter_Define (void)
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{
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InstPhaseOC_M.Cnt = 0;
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InstPhaseOC_M.CurrThreshold = INST_PHASEOC_THRE_M;
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InstPhaseOC_M.CntThreshold = INST_PHASEOC_CNT_THRE_M;
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DCBusProtecion_M.OverThresh = DCBUS_OVER_VOLT_THRE;
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DCBusProtecion_M.UnderThresh = DCBUS_UNDER_VOLT_THRE;
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DCBusProtecion_M.OverCntThresh = DCBUS_OVER_VOLT_CNT;
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DCBusProtecion_M.UnderCntThresh = DCBUS_UNDER_VOLT_CNT;
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DCBusProtecion_M.OverCnt = 0;
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DCBusProtecion_M.UnderCnt = 0;
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DCBusProtecion_M.Overvolt = FALSE;
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DCBusProtecion_M.Undervolt = FALSE;
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DCBusProtecion_M.PeakOverCnt=0;
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DCBusProtecion_M.PeakOverCntThresh=PEAKDCBUS_OVER_VOLT_CNT;
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DCBusProtecion_M.PeakOverDetectiontime=(u_int16_t)(PEAKDCBUS_OVER_VOLT_DETECTIONTIME*FREQ_SVPWM);
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DCBusProtecion_M.PeakOverDetectiontCnt=0;
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Overload_M.CurrThresh = OVERLOAD_CURR_THRE;
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Overload_M.CalCoef = OVERLOAD_CAL_COEF;
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Overload_M.CntThresh = (uint16_t)(OVERLOAD_TIME_THRE*OVERLOAD_CAL_FREQ);
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Overload_M.Cnt = 0;
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Overload_M.CurrCal = 0;
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OverloadLPF1st_M.Input_Coef = _IQdiv(OVERLOADLPF_WcT_M,(OVERLOADLPF_WcT_M + UNIT_Q24));
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OverloadLPF1st_M.Output_Coef = _IQdiv(UNIT_Q24,(OVERLOADLPF_WcT_M + UNIT_Q24));
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Phaseloss_M.CurrThresh = PHASELOSS_CURR_THRE;
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Phaseloss_M.CntThresh = (uint16_t)(PHASELOSS_TIME_THRE * PHASELOSS_CAL_FREQ);
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Phaseloss_M.MultiphaseCnt = 0;
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Phaseloss_M.SiglephaseCntA = 0;
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Phaseloss_M.SiglephaseCntB = 0;
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Phaseloss_M.SiglephaseCntC = 0;
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Phaseloss_M.CurrBuffPara.Length = PHASELOSS_CAL_BUFFSIZE;
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Phaseloss_M.CurrBuffPara.Inv1 = _IQ(1.0)/PHASELOSS_CAL_BUFFSIZE;
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Phaseloss_M.CurrBuffPara.Inv2 = _IQ(1.0) - Phaseloss_M.CurrBuffPara.Inv1;
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Tempctl_M.NTCOverThresh = NTC_OVERTEMP_RATEADC;
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Tempctl_M.NTCOpenThresh = NTC_OPENTEMP_RATEADC;
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Tempctl_M.NTCOverCntThresh = (uint16_t)(TEMP_OVER_TIME*NTC_VERIFY_FREQ);
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Tempctl_M.NTCOpenCntThresh = (uint16_t)(NTC_OPEN_TIME*NTC_VERIFY_FREQ);
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Tempctl_M.NTCOverCnt = 0;
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Tempctl_M.NTCOpenCnt = 0;
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Tempctl_M.NTCOpenStatus =FALSE;
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Tempctl_M.NTCOverStatus =FALSE;
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}
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/******************************************************************************
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* Function Name : Protection_and_Emergency_Init
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* Description : Fault protection parameter initialization
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* Input : None
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* Output : None
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* Return : None
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******************************************************************************/
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void Protection_and_Emergency_Init ()
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{
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InstPhaseOC_M.Cnt = 0;
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DCBusProtecion_M.OverCnt = 0;
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DCBusProtecion_M.UnderCnt = 0;
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DCBusProtecion_M.Overvolt = FALSE;
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DCBusProtecion_M.Undervolt = FALSE;
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DCBusProtecion_M.PeakOverDetectiontCnt=0;
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DCBusProtecion_M.PeakOverCnt=0;
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Overload_M.Cnt = 0;
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Overload_M.CurrCal = 0;
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Phaseloss_M.MultiphaseCnt = 0;
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Phaseloss_M.SiglephaseCntA = 0;
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Phaseloss_M.SiglephaseCntB = 0;
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Phaseloss_M.SiglephaseCntC = 0;
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// Tempctl_M.NTCOverCnt = 0;
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// Tempctl_M.NTCOpenCnt = 0;
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// Tempctl_M.NTCOverHysteresisCnt = 0;
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// Tempctl_M.NTCOverRecoverCnt = 0;
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// Tempctl_M.NTCOpenStatus =FALSE;
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// Tempctl_M.NTCOverStatus =FALSE;
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// Tempctl_M.NTCOverHysStatus =FALSE;
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Tempctl_M.NTCFlickerStatus =FALSE;
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}
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/******************************************************************************
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* Function Name : Protection_SetFault
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* Description : Fault Setting
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* Input : Fault type
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* Output : None
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* Return : None
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******************************************************************************/
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void Protection_SetFault(uint16_t Fault_type)
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{
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Time_Delay_Set(Operation_M.FaultHoldingSet,&(Operation_M.FaultHoldingCnt));
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TIM_CtrlPWMOutputs(TIM1, DISABLE);
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TRIAC_OFF();
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RunningStatus_M = FAULT;
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System_Status_Global |= Fault_type;
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}
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/******************************************************************************
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* Function Name : Protction_Fault_Reset_M
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* Description : Fault Reset
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* Input : None
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* Output : None
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* Return : None
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******************************************************************************/
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void Protction_Fault_Reset_M(void)
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{
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if (Time_Delay_Elapse(Operation_M.FaultHoldingCnt))
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{
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System_Status_Global &= ~STARTUP_FAILURE_M;
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System_Status_Global &= ~SPEED_ABNORMAL_M;
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LBG_Status_M.Unstable_CNT = 0;
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System_Status_Global &= ~MOTOR_OVER_CURR_SOFT_M;
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InstPhaseOC_M.Cnt = 0;
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System_Status_Global &= ~MOTOR_OVERLOAD_M;
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Overload_M.Cnt = 0;
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if (GPIO_ReadInputDataBit(BRK_GPIO_M, BRK_PIN_M))
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System_Status_Global &= ~DC_OVER_CURR_HARD_M;
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System_Status_Global &= ~MOTOR_STALL_M;
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LBG_Status_M.Stall_CNT = 0;
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System_Status_Global &= ~PHASELOSS_FALUT;
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LBG_Status_M.Stall_CNT = 0;
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System_Status_Global &= ~NTC_OVER_ERR;
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Tempctl_M.NTCOverCnt =0;
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Tempctl_M.NTCOverStatus =FALSE;
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System_Status_Global &= ~NTC_OPEN_ERR;
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Tempctl_M.NTCOpenCnt =0;
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Tempctl_M.NTCOpenStatus =FALSE;
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if((System_Status_Global&DC_OVER_VOLT)==DC_OVER_VOLT)
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{
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if(ADC_M.DCVolt_Filter < DCBusProtecion_M.OverThresh)
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{
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System_Status_Global&= ~DC_OVER_VOLT;
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DCBusProtecion_M.OverCnt = 0;
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}
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}
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if((System_Status_Global&DC_OVER_VOLT)==DC_UNDER_VOLT)
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{
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if(ADC_M.DCVolt_Filter > DCBusProtecion_M.UnderThresh)
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{
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System_Status_Global&= ~DC_UNDER_VOLT;
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DCBusProtecion_M.UnderCnt = 0;
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}
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}
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}
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if ( (System_Status_Global & (STARTUP_FAILURE_M |SPEED_ABNORMAL_M | MOTOR_OVER_CURR_SOFT_M | MOTOR_OVERLOAD_M\
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| DC_OVER_CURR_HARD_M | MOTOR_STALL_M |PHASELOSS_FALUT|NTC_OVER_ERR|NTC_OPEN_ERR| DC_OVER_VOLT | DC_UNDER_VOLT)) == 0 )
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{
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RunningStatus_M = IDLE;
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System_Status_Global |= FIRST_START_M;
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}
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}
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/******************************************************************************
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* Function Name : DCOvervolt_Protection
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* Description : Bus Overvoltage Protection
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* Input : Detect bus voltage, voltage protection structure pointer
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* Output : None
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* Return : None
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******************************************************************************/
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void DCOvervolt_Protection(_iq24 DCVolt, DCbusProtection_Type *DCbusProtec)
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{
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if (DCVolt >= DCbusProtec->OverThresh)
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DCbusProtec->OverCnt++;
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else
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DCbusProtec->OverCnt = 0;
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if(DCbusProtec->OverCnt > DCbusProtec->OverCntThresh)
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{
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DCBusProtecion_M.Overvolt = TRUE;
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Protection_SetFault(DC_OVER_VOLT);//ĸÏß¹ýѹ
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}
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}
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/******************************************************************************
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* Function Name : PeakDCOvervolt_Protection
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* Description : Peak bus overvoltage protection
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* Input : Detect bus voltage, voltage protection structure pointer
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* Output : None
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* Return : None
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******************************************************************************/
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void PeakDCOvervolt_Protection(_iq24 DCVolt, DCbusProtection_Type *DCbusProtec)
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{
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DCbusProtec->PeakOverDetectiontCnt++;
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if(DCbusProtec->PeakOverDetectiontCnt<DCbusProtec->PeakOverDetectiontime)
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{
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if (DCVolt >= DCbusProtec->OverThresh)
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DCbusProtec->PeakOverCnt++;
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if(DCbusProtec->PeakOverCnt > DCbusProtec->PeakOverCntThresh)
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{
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DCBusProtecion_M.Overvolt = TRUE;
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Protection_SetFault(DC_OVER_VOLT);
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}
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}
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else
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{
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DCbusProtec->PeakOverCnt=0;
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DCbusProtec->PeakOverDetectiontCnt=0;
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}
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}
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/******************************************************************************
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* Function Name : DCUndervolt_Protection
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* Description : Bus Undervoltage Protection
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* Input : Detect bus voltage, voltage protection structure pointerv
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* Output : None
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* Return : None
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******************************************************************************/
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void DCUndervolt_Protection(_iq24 DCVolt, DCbusProtection_Type *DCbusProtec)
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{
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if (DCVolt <= DCbusProtec->UnderThresh)
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DCbusProtec->UnderCnt++;
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else
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DCbusProtec->UnderCnt = 0;
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if(DCbusProtec->UnderCnt > DCbusProtec->UnderCntThresh)
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{
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DCBusProtecion_M.Undervolt = TRUE;
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Protection_SetFault(DC_UNDER_VOLT);
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}
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}
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/******************************************************************************
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* Function Name : DCUndervolt_Protection
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* Description : Bus Undervoltage Protection
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* Input : Detect bus voltage, voltage protection structure pointer
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* Output : None
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* Return : None
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******************************************************************************/
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void DCUndervolt_Protection1(_iq24 DCVolt, DCbusProtection_Type *DCbusProtec,Powercontrol_Type *PowerOper)
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{
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if (((DCVolt <= DCbusProtec->UnderThresh)||(PowerOper->Poweron==FALSE))&&(Key_M.ACkey_Poweron == TRUE))
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{
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if(DCbusProtec->UnderCnt<U16_MAX)
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DCbusProtec->UnderCnt++;
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}
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else
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DCbusProtec->UnderCnt = 0;
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if(DCbusProtec->UnderCnt > DCbusProtec->UnderCntThresh)
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{
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Protection_SetFault(DC_UNDER_VOLT);
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DCBusProtecion_M.Undervolt = TRUE;
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}
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}
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/******************************************************************************
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* Function Name : NTC_Protection
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* Description : NTC Protection
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* Input : Temperature control structure pointer
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* Output : None
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* Return : None
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******************************************************************************/
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void NTC_Protection(Temperature_ctl_Type *Temctl,_iq24 Temp)
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{
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if(Temp < Temctl->NTCOverThresh)
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{
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if(Temctl->NTCOverCnt<=U16_MAX)
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Temctl->NTCOverCnt ++;
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}
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else
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Temctl->NTCOverCnt =0;
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if(Temctl->NTCOverCnt >= Temctl-> NTCOverCntThresh)
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{
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Temctl->NTCOverStatus = TRUE;
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Protection_SetFault(NTC_OVER_ERR);
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}
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if(Temp > Temctl->NTCOpenThresh)
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{
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if(Temctl->NTCOpenCnt<=U16_MAX)
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Temctl->NTCOpenCnt ++;
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}
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else
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Temctl->NTCOpenCnt =0;
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if(Temctl->NTCOpenCnt >= Temctl-> NTCOpenCntThresh)
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{
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Temctl->NTCOpenStatus = TRUE;
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Protection_SetFault(NTC_OPEN_ERR);
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}
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}
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