📄 bldczc.h
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/****************************************************************************************************
*
* Motorola Inc.
* (c) Copyright 2000 Motorola, Inc.
* ALL RIGHTS RESERVED.
*
*****************************************************************************************************
*
* FILE NAME: BldcZC.h
*
* DESCRIPTION: Motorola Bldc Zero Crossing Algorithms
*
* MODULES INCLUDED: stdlib.h
*
*****************************************************************************************************/
/****************************************************************************************************
*!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
* READ ME CAREFULLY:
*!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
* The general of BldcZC algorithms interconnectivity is, they are
* devided into groups according to their functionalities:
* - COMPUTATION:
* - BldcZCComput(),BldcZCComputInit()
* - ZERO CROSSING
* - BldcZCCmtServ(),BldcZCZCrosIntAlg(),BldcZCZCrosInit()
* - COMMUTATION:
* - BldcZCCmtServ(),BldcZCCmtServInit()
* - DATA EXCHANGE:
* - BldcZCHndlr(),BldcZCTimeoutIntAlg(),BldcZCHndlrInit()
* BldcZCHndlrStop()
* !Each of the above group has its dedicated BldcZC_sState_xxx API
* typedef data structure
* !Each of BldcZC_sState_xxx structure has BldcZC_fCmd_xxx
* Commands and Requests status flags register where the flags has
* following meaning:
* yy_zz_CmdFlag - is an output Command Flag from algorithm meaning:
* action yy happened in algorithm zz!!!
* yy_zz_RqFlag - is an input Request Flag to the algorithm meaning:
* action yy happened(somewhere),
* service in algorithm zz requested!!!
* !The data interchange between these groups is via:
* - BldcZCHndlr() algorithm !!! and
* - BldcZCTimeoutIntAlg () algorithm !!!
* which input is bldczc_sStates data structure containing all
* BldcZC_sState_xxx substructures
*
* The algorithms can also be splitted according to their
* suggested calls:
* - from Main SW (or Arbiter called)
* - from Interrupt subroutines called: xxxIntAlg
*!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
****************************************************************************************************/
/* DEFINITION_START */
#ifndef _BLDCZC_H_
#define _BLDCZC_H_
/* variables definitions */
typedef struct
{
UWord16 T_Cmt0;
UWord16 T_Next;
UWord16 T_ZCros;
UWord16 T_ZCros0;
UWord16 Per_Toff;
UWord16 Per_CmtPreset;
UWord16 Per_ZCros;
UWord16 Per_ZCros0;
/* Possibly UWord16 Per_ZCros_m1; */
UWord16 Per_ZCrosFlt;
UWord16 Per_HlfCmt;
} bldczc_sTimes; /* Bldc control Time dedicated variables */
typedef union
{
struct
{
unsigned int CmtDone_Comput_RqFlag : 1; /* Commutation Done Comput Request Flag */
unsigned int ZCOKGet_Comput_RqFlag : 1; /* Zero Cross OK Get Comput Request Flag */
unsigned int ZCMiss_Comput_RqFlag : 1; /* Zero Cross Missed Comput Request Flag */
unsigned int CmtPreComp_CmdFlag : 1; /* Commutation PreComputed Command Flag */
unsigned int ToffComp_CmdFlag : 1; /* Period Toff Computed Command Flag */
unsigned int CmtComp_CmdFlag : 1; /* Commutation Computed Command Flag */
unsigned int ZC_ComputFlag : 1; /* Zero Crossing Computed Flag */
unsigned int Bit7 : 1; /* RESERVED */
unsigned int Bit8 : 1; /* RESERVED */
unsigned int Bit9 : 1; /* RESERVED */
unsigned int Bit10 : 1; /* RESERVED */
unsigned int Bit11 : 1; /* RESERVED */
unsigned int Bit12 : 1; /* RESERVED */
unsigned int Bit13 : 1; /* RESERVED */
unsigned int Bit14 : 1; /* RESERVED */
unsigned int Bit15 : 1; /* RESERVED */
} B;
UWord16 W16;
} bldczc_uCmdComput; /* BldcZC Comput functions Commands,
Requests, Status Flags variable */
typedef struct
{
bldczc_uCmdComput Cmd_Comput; /* Comput Command variable */
Word16 Coef_CmtPrecompLShft; /* Commutation time precomputation
Coeficient Range */
Frac16 Coef_CmtPrecompFrac; /* Commutation time precomputation
Coeficient */
Frac16 Coef_HlfCmt; /* Half commutation Coeficient */
Frac16 Coef_Toff; /* Toff Zero Crossing Coeficient */
UWord16 Const_PerProcCmt; /* Maximal Period of Commutation Proceeding */
/* time of motor coil reverse current */
UWord16 Max_PerCmt; /* Maximal Commutation Period */
} bldczc_sStateComput; /* Bldc Timeout state Variables */
typedef union
{
struct
{
unsigned int CmtDone_CmtServ_RqFlag; /* Commutation done CmtServ Request*/
unsigned int Cmt_DrvRqFlag : 1; /* Commutation Driver Request Flag */
unsigned int CmtPreset_DrvRqFlag : 1; /* Preset new Commutation Driver Request Flag
(not necessary for some commutation technique) */
unsigned int DIRFlag : 1; /* motor direction Flag */
unsigned int CmtServ_CmdFlag : 1; /* Commutation served Command Flag */
unsigned int CmtDone_CmdFlag : 1; /* Commutation Done Command Flag */
unsigned int Bit6 : 1; /* RESERVED */
unsigned int Bit7 : 1; /* RESERVED */
unsigned int Bit8 : 1; /* RESERVED */
unsigned int Bit9 : 1; /* RESERVED */
unsigned int Bit10 : 1; /* RESERVED */
unsigned int Bit11 : 1; /* RESERVED */
unsigned int Bit12 : 1; /* RESERVED */
unsigned int Bit13 : 1; /* RESERVED */
unsigned int Bit14 : 1; /* RESERVED */
unsigned int Bit15 : 1; /* RESERVED */
} B;
UWord16 W16;
} bldczc_uCmdCmt; /* BldcZC Cmt functions Commands,
Requests, Status Flags variable */
typedef struct
{
bldczc_uCmdCmt Cmd_Cmt; /* Commutation Command variable */
UWord16 Step_Cmt; /* Motor Commutation Step */
UWord16 Step_Cmt_Next; /* Mext Motor Commutation Step */
} bldczc_sStateCmt; /* Bldc Commutation state Variables */
typedef union
{
struct
{
unsigned int ZCrosInt_EnblFlag : 1; /* Zero Crossing Enable Flag */
unsigned int ZCInpMaskPreset_DrvRqFlag : 1;
/* Preset Input Mask Driver Request Flag */
unsigned int CmtDone_ZCrosServ_RqFlag : 1;
/* Commutation Done Zero Cros Service Request Flag */
unsigned int CmtProcEnd_ZCrosServ_RqFlag : 1;
/* Commutation Proceeding End
Zero Cros Service Request Flag */
unsigned int CmtServ_ZCrosServ_RqFlag : 1;
/* Commutation served
Zero Cros Service Request Flag */
unsigned int ZC_GetFlag : 1; /* Zero Crossing Get Flag */
unsigned int ZC_SoonFlag : 1; /* Zero Crossing Soon (before Toff time) */
unsigned int Cmt_ProcFlag : 1; /* Commutation proceeding Flag */
/* motor coil reverse current when switching */
unsigned int ZC_ToffFlag : 1; /* Zero Crossing off Time Flag */
unsigned int ZCOKGet_CmdFlag : 1; /* Zero Crossing OK Get Command Flag */
unsigned int ZCMiss_CmdFlag : 1; /* Zero Crossing missed Command Flag */
/* (flag set when Zero Crossing before Toff) */
unsigned int noZCErr_CmdFlag : 1; /* no Zero Crossing get between commutations */
unsigned int ZCMissErr_CmdFlag : 1; /* Zero Crossing missed Error Command Flag */
unsigned int CmtDone_ZCrosServ_CmdFlag : 1; /* Commutation Done Zero Cros Serv
Command Flag */
unsigned int CmtServ_ZCrosServ_CmdFlag : 1; /* after Commutation served Zero Cros Serviced
Command Flag */
unsigned int EndStart_ZCrosServ_CmdFlag : 1; /* End Start Up ZCros Serv Command Flag */
unsigned int MaxZCrosErr_ZCrosServ_CmdFlag : 1; /* Zero Crossing Errors >= Max_ZCrosErr
ZCros Serv Command Flag */
unsigned int ZCInpSet_DrvRqFlag : 1;
/* Set ZC Input Driver Request Flag */
unsigned int ZCToffEnd_ZCrosServ_RqFlag : 1;
/* Zero Crossing Time off End
Zero Cros Service Request Flag */
unsigned int Expect_ZCInp_PositivFlag : 1; /* Expected Zero Crossing Input Positive Flag */
unsigned int Expect_ZCInp_PositivNextFlag : 1; /* Next Expected Zero Crossing Input
Positive Flag */
unsigned int Bit21 : 1; /* RESERVED */
unsigned int Bit22 : 1; /* RESERVED */
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