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SIP.c
- Committer:
- igor_v
- Date:
- 2016-01-30
- Revision:
- 0:8ad47e2b6f00
- Child:
- 1:f2adcae3d304
File content as of revision 0:8ad47e2b6f00:
#include "mathDSP.h" #include "SIP.h" #include "CyclesSync.h" #include "CntrlGLD.h" #include "InputOutput.h" #include "ThermoCalc.h" #include "el_lin.h" uint32_t Old_Cnt_Vib = 0; uint32_t Old_Cnt = 0; int32_t RefMeand_Cnt_Dif; int32_t PSdif_sum_Vib_32 = 0; __int64 PSdif_sum_Vib_64 = 0; int32_t dif_Curr_32_Ext; //r. ðàçíîñòü (÷èñëî) äëÿ ðåæèìà âíåøíåé çàùåëêè int32_t dif_Curr_32_previous; //e. Previous (in comparison with Dif_Curr_32) number //r. ïðåäûäóùåå (ïî ñðàâíåíèþ ñ Dif_Curr_32) ÷èñëî int32_t temp22=0; //+++++++++++++++++++++++++++++++INPUT DATA++++++++++++++++++++++++++++++++++++++++++++++++ uint32_t Curr_Cnt_Vib; uint32_t Cnt_curr; //+++++++++++++++++++++++++++++++variables for output++++++++++++++++++++++++++++++++++++++ int32_t Dif_Curr_Vib; //e. current difference output for dithering control in LightUp mode and Dither regulator int32_t Dif_Curr_32; //e. current difference without dithering for dithering control #if (defined GLOBALRATE)//íå âõîäèò //variables for rate mode int32_t cntPls_sum_32; ñññ int32_t last_Cnt_Plus; int32_t dif_sum_32; int32_t Cnt_Pls; int32_t Cnt_Mns; int32_t preLast_Cnt_Plus; // uint32_t sumCnt_Mns = 0; //uint32_t sumCnt_Pls = 0; extern int32_t dif_cur_test[30]; extern unsigned ii; uint32_t halfPeriod = 0; #endif void ResetBitsOfWord(int * x32, int truncate_bits) { int hi_part; hi_part = *x32 >> truncate_bits; *x32 -= hi_part << truncate_bits; //r. îñòàâëÿåì ìëàäøèå 16 áèò } /****************************************************************************** ** Function name: interpolation ** ** Descriptions: êîëè÷åñòâî èòåðïîëÿöèé äî ïîÿâëåíèÿ âíåøíåé çàùåëêè ** ** Returned value: Number in moment of external latch appearing ** parameters: y_curr - current number, y_prev - number at one cycle before time ** x_interp - moment of external latch appearing, ** Precision of interpolation is 1/8 of impulse (3 digits after point in 14.18 format) ******************************************************************************/ int interpolation(int y_curr, int x_interp) { __int64 temp,temp3; temp = (__int64)y_curr *(__int64)x_interp; temp /= PrevPeriod; // void ServiceTime(void) ||| PrevPeriod = LPC_PWM1->MR0; ||| (CyclesSync.c) temp3 = (__int64)y_curr *(__int64)(x_interp+1); temp3 /= PrevPeriod; temp22 = (int)temp3; return ((int)temp); } // interpolation /****************************************************************************** ** Function name: clc_Pulses ** ** Descriptions: Processing of information from SPOI ** ** parameters: None ** Returned value: None ** ******************************************************************************/ void clc_Pulses() { #if (!defined GLOBALRATE) static int32_t cntPls_sum_32; static int32_t last_Cnt_Plus; static int32_t dif_sum_32; static int32_t Cnt_Pls; static int32_t Cnt_Mns; static int32_t preLast_Cnt_Plus; #endif Dif_Curr_Vib = Curr_Cnt_Vib - Old_Cnt_Vib; //Âû÷èñëåíèå ïðèðàùåíèÿ òåêóùåãî ñ÷åò÷èêà èìïóëüñîâ. Old_Cnt_Vib = Curr_Cnt_Vib; //ñîõðàíåíèå òåêóùåãî ñ÷åò÷èêà èìïóëüñîâ äëÿ ñëåäóþùåãî öèêëà èçìåðåíèé Cnt_Overload(Dif_Curr_Vib, INT32MAX_DIV2, INT32MIN_DIV2); //ïðîâåðêà íà ïåðåïîëíåíèå (Dif_Curr_Vib). // Uin UpSat DwnSat //#define Cnt_Overload(Uin, UpSat, DwnSat) /* if (Uin > UpSat) { Uin -= INT32_MAX; } if (Uin < DwnSat) { Uin += INT32_MAX; } */ Dif_Curr_32 = VibroReduce(Dif_Curr_Vib << SHIFT_TO_FRACT); // Òî÷íîñòü ôèëüòðàöèè 1/(2^18) switch (RgConB) //r. äîïîëíèòåëüíûé ðåãèñòð óïðàâëåíèÿ { case RATE_VIBRO_1: //r. ðàçíîñòü âèáðîñ÷åò÷èêîâ ïîñëå ôèëüòðà ñêîëüçÿùíãî ñðåäíåãî if (Latch_Rdy) //e. latch has arrived { //dif_Curr_32_Ext ðàçíîñòü (÷èñëî) äëÿ ðåæèìà âíåøíåé çàùåëêè dif_Curr_32_Ext = interpolation(Dif_Curr_32, LatchPhase ); //èíòåðïîëÿöèÿ Output.Str.Tmp_Out[2] = (int)((Curr_Cnt_Vib>>16)& 0xffff); Output.Str.Tmp_Out[3] = (int)(Curr_Cnt_Vib & 0xffff); //r. äîáàâëÿåì ê íàêîïëåííîé ñóììå èíòåðïîëèðîâàííûé îòñ÷åò âíåøíåé çàùåëêè PSdif_sum_Vib_32 += dif_Curr_32_Ext; PSdif_sum_Vib_64 += dif_Curr_32_Ext; //e. receive last data //count--; //r. ïîäãîòîâèòü ÷èñëî äëÿ âûäà÷è Output.Str.BINS_dif = PSdif_sum_Vib_32 - TermoCompens_Sum; //r. èç íàêîïëåííîãî ÷èñëà âû÷èòàåì íàêîïëåííóþ òåðìîêîìïåíñàöèîííóþ ñîñòàâëÿþùóþ Output.Str.PS_dif = Output.Str.BINS_dif >> 16; LatchPhase = INT32_MAX; //INT32_MAX=2147483647 //in Latch_Event it's indicator of latch appearing Output.Str.SF_dif = PSdif_sum_Vib_64; TermoCompens_Sum = 0; //r. îáíóëÿåì íàêîïëåííóþ òåðìîêîìïåíñàöèþ äëÿ íà÷àëà íîâîãî öèêëà íàêîïëåíèÿ if ((Device_Mode == DM_EXT_LATCH_DELTA_BINS_PULSE)||((Device_Mode == DM_EXT_LATCH_DELTA_SF_PULSE) && Ext_Latch_ResetEnable)) { PSdif_sum_Vib_32 = 0; //r. èíèöèàëèçèðîâàòü íîâûé öèêë èçìåðåíèÿ ïî çàùåëêå PSdif_sum_Vib_64 = 0; } else ResetBitsOfWord(&PSdif_sum_Vib_32, 16); dif_Curr_32_Ext = Dif_Curr_32 - temp22;//dif_Curr_32_Ext; PSdif_sum_Vib_32 += dif_Curr_32_Ext; // preserve rest of counters difference for next measure cycle: PSdif_sum_Vib_32 += Dif_Curr_32 - dif_Curr_32_Ext; PSdif_sum_Vib_64 += dif_Curr_32_Ext; //ñîõðàíèòü îñòàëüíûå ñ÷åò÷èêè ðàçíèöû äëÿ ñëåäóþùåãî òàêòà öèêëà } else //r. çàùåëêè íà íàñòîÿùèé ìîìåíò íå áûëî { //r. ïðîäîëæàåì íàêàïëèâàòü ñóììó èç âíóòðåííèõ îòñ÷åòîâ PSdif_sum_Vib_32 += Dif_Curr_32; // PSdif_sum_Vib_32 += Dif_Curr_32 ; PSdif_sum_Vib_64 += Dif_Curr_32; //e. sum for scale factor measurement mode } dif_Curr_32_previous = Dif_Curr_32; //r. çàïîìèíàåì ïðåäûäóùåå ÷èñëî break; case RATE_REPER_OR_REFMEANDR: if (data_Rdy & HALF_PERIOD) //e. calculate Cnt_Mns or Cnt_Pls { RefMeand_Cnt_Dif = Cnt_curr - Old_Cnt; Old_Cnt = Cnt_curr; // LPC_GPIO2->FIOCLR = 0x10; Cnt_Overload(RefMeand_Cnt_Dif, INT32MAX_DIV2, INT32MIN_DIV2); if (LPC_QEI->STAT) //e. "+" direction //r. ñòàëè âðàùàòüñÿ â "+" ñòîðîíó { //sumCnt_Mns += -RefMeand_Cnt_Dif; //e. accumulation during 1 sec Cnt_Mns = RefMeand_Cnt_Dif; } else { //r. ñòàëè âðàùàòüñÿ â "-" ñòîðîíó //sumCnt_Pls += RefMeand_Cnt_Dif; //e. accumulation during 1 sec Cnt_Pls = -RefMeand_Cnt_Dif; } // UART1_SendByte((dif_sum_32>>8) & 0xff); // UART1_SendByte((dif_sum_32) & 0xff); if (data_Rdy & WHOLE_PERIOD) //e. period of vibro elapsed { // LPC_GPIO2->FIOSET = 0x10; last_Cnt_Plus = Cnt_Pls; dif_sum_32 += Cnt_Pls - Cnt_Mns; } data_Rdy &= ~RESET_PERIOD; } if (Latch_Rdy) //e it's time for output { LatchPhase = INT32_MAX; Output.Str.Tmp_Out[2] = (int)((Curr_Cnt_Vib>>16)& 0xffff); Output.Str.Tmp_Out[3] = (int)(Curr_Cnt_Vib & 0xffff); cntPls_sum_32 += last_Cnt_Plus - preLast_Cnt_Plus; Output.Str.Cnt_Dif = dif_sum_32; Output.Str.Cnt_Dif += cntPls_sum_32 >> 1; dif_sum_32 = 0; //r. è ñáðîñèòü ðåãèñòðû íàêîïëåíèÿ ResetBitsOfWord(&cntPls_sum_32, 1); //r. îñòàâëÿåì ìëàäøèé ðàçðÿä, ÷òîáû íå òåðÿëàñü òî÷íîñòü ïðè ñóììèðîâàíèè preLast_Cnt_Plus = last_Cnt_Plus; //r. òåêóùèé ïîñëåäíèé îòñ÷åò ñòàë ïðåäûäóùèì Output.Str.Cnt_Mns = Cnt_Mns;//sumCnt_Mns; //e. rewrite accumulated data to output Output.Str.Cnt_Pls = Cnt_Pls;//sumCnt_Pls; //sumCnt_Mns = 0; //e. prepare for new accumulation //sumCnt_Pls = 0; } break; // RATE_REPER_OR_REFMEANDR } //e. WP_scope1, WP_scope2 - variables for control in the Rate3 mode //r. WP_scope1, WP_scope2 - ïåðåìåííûå äëÿ êîíòðîëÿ â ðåæèìå rate3 Output.Str.WP_scope1 = Dif_Curr_Vib; Output.Str.WP_scope2 = (Dif_Curr_32 >> (SHIFT_TO_FRACT-2)); //r. 2 äðîáíûõ ðàçðÿäà îñòàâëÿåì äëÿ áîëüøåé íàãëÿäíîñòè ïðè àíàëèçå ñèãíàëà rate3 } // clc_Pulses /****************************************************************************** ** Function name: SOI_Init ** ** Descriptions: Quadrature encoder initialization. ** ** parameters: None ** Returned value: None ** ******************************************************************************/ void SOI_Init(void) { LPC_SC->PCONP |= (1<<18);//0x00040000; âêëþ÷åíèå êâàäðàòóðíîãî ýíêîäåðà. LPC_SC->PCLKSEL1 |= 0x00000001; // âûáîð ÷àñòîòû äëÿ êâ.ý. CLK=100MHz LPC_PINCON->PINSEL3 &= ~0x4100; LPC_PINCON->PINSEL3 |= 0x4100; //P1.20, p1.23 óñòàíîâèòü êàê âõîäû êâ.ý LPC_PINCON->PINMODE3 |= 0x3C300; //P1.20, p1.23, p1.24 ??are pulled-down??(ïðèòÿíóòü ê ïèòàíèþ)???? LPC_QEI->MAXPOS = MAX_QEI_CNT; //LPC_QEI->"ðåãèñòîð ìàêñèìàëüíîãî ïîëîæåíèÿ" = 2147483646 LPC_QEI->FILTER = 2; // ôèëüòð( ?? ) LPC_QEI->CON = 0xF; //ñáðîñèòü â íîëü âñå ñ÷åò÷èêè êâ.ý. (ñêîðîñòü, íàïðàâëåíèå, ïîçèöèþ è òä) LPC_QEI->CONF = (0<<2) |(0<<1); //Quadrature inputs, no inverting,only A pulses are counted LPC_QEI->CLR = 0x1fff; //r. ñáðîñèòü âñå ïðåðûâàíèÿ LPC_QEI->IEC = 0x1fff; //r. çàïðåòèòü ïðåðûâàíèå ïðè èçìåíåíèè íàïðàâëåíèÿ NVIC_SetPriority(QEI_IRQn, 0); NVIC_EnableIRQ(QEI_IRQn); return; } /****************************************************************************** ** End Of File ******************************************************************************/