Dmitry Kovalev
/
LGfiltr
forkd
Fork of LGstaandart by
QEI.c
- Committer:
- igor_v
- Date:
- 2016-01-30
- Revision:
- 0:8ad47e2b6f00
- Child:
- 1:f2adcae3d304
File content as of revision 0:8ad47e2b6f00:
#include "lpc17xx.h" #include "QEI.h" #include "vibro.h" #include "MTimer.h" int Pulse_midl = 0; int PulseHalf = 0; int CuruAngle = 0; int Dif_QEI; int FFF=0;//äëÿ çàïëàòêè int Pulse_8Point = 0; int Pulse_16Point = 0; int Pulse_32Point = 0; int Pulse_16PointD = 0; unsigned int Iras=0,Temp_F_ras=0; int yy = 0; unsigned int Buff_32Point [256]; unsigned int Buff_16Point [256]; unsigned int Buff_16PointD [256]; unsigned int Buff_8Point [256]; unsigned int Buff_1Point [256]; unsigned int Buff_Restored_sin [256]; int unsigned Cur_QEI = 0, Last_QEI=0; void D_QEI(void) { Dif_QEI=0; Cur_QEI = LPC_QEI->POS & 0xFFFF; // ñ÷èòûâàíèå òåêóùåãî çíà÷åíèÿ ýíêîäåðà. Dif_QEI = (Cur_QEI - Last_QEI); // ïîëó÷åíèå ïðèðàùåíèÿ.() Last_QEI = Cur_QEI; // çàïèñü òåêóùåãî çíà÷åíèÿ ýíêîäåðà â ðåãèñòð ïðåäûäóùåãî çíà÷åíèÿ. if (Dif_QEI < -0xfff) Dif_QEI += 0x10000; // îáðàáîòêà ïðîõîäà çíà÷åíèÿ ÷åðåç íîëü if (Dif_QEI > 0xfff) Dif_QEI -= 0x10000; // îáðàáîòêà ïðîõîäà çíà÷åíèÿ ÷åðåç íîëü Buff_1Point[CountV255] = (unsigned int) (Dif_QEI + 0xffff);// íàêîïëåíèå â áóôåð åäåíè÷íûõ çíà÷åíèé ïðèðàùåíèÿ ïî êàæäîìó òàêòó. //////////////////////////////////////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////////////////////////////////////// if (LPC_QEI->STAT) //e. "+" direction //r. ñòàëè âðàùàòüñÿ â "+" ñòîðîíó { Main.Cnt_Mns = Dif_QEI; } else { Main.Cnt_Pls = -Dif_QEI; } ////////// ???? Çàïëàòêà ////////// ???? Ïðîáëåìà íà÷àëüíîãî çàïîëíåíèÿ áóôåðîâ ////////////////////////////////////////////////////////////////////////////////////////////// if(FFF==1) // åñëè ïðîøëî 32 òàêòà âèáðî ïîäâåñà íà÷àòü çàïîëíÿòü îñòàëüíûå áóâåðû. { Pulse_8Point += Buff_1Point[CountV255]; Pulse_8Point -= Buff_1Point[(CountV255-8) & 0xff]; // çàïîëíåíèå áóôåðà íàêîïëåíûõ ïðèðàùåíèé çà 8 òàêòîâ Buff_8Point[CountV255] = (unsigned int) (Pulse_8Point + 0xffff); Pulse_16Point += Buff_1Point[CountV255]; Pulse_16Point -= Buff_1Point[(CountV255-16) & 0xff]; // çàïîëíåíèå áóôåðà íàêîïëåíûõ ïðèðàùåíèé çà 16 òàêòîâ Buff_16Point[CountV255] = (unsigned int) (Pulse_16Point + 0xffff); Pulse_32Point += Buff_1Point[CountV255]; Pulse_32Point -= Buff_1Point[(CountV255-32) & 0xff]; // çàïîëíåíèå áóôåðà íàêîïëåíûõ ïðèðàùåíèé çà 32 òàêòîâ Main.Cnt_Dif = (Pulse_32Point+ 0xffff); Buff_32Point[CountV255] = (unsigned int) (Pulse_32Point + 0xffff); Pulse_16PointD += Buff_1Point[CountV255]; Pulse_16PointD -= Buff_1Point[(CountV255-16) & 0xff]; // çàïîëíåíèå áóôåðà íàêîïëåíûõ ïðèðàùåíèé çà 16 òàêòîâ Äâîéíûç Pulse_16PointD += Buff_1Point[(CountV255-32) & 0xff]; // Pulse_16PointD -= Buff_1Point[(CountV255-48) & 0xff]; // ç Buff_16PointD[CountV255] = (unsigned int) (Pulse_16PointD + 0xffff); // Buff_Restored_sin [CountVf]= (unsigned int)( ((Buff_16Point[CountVf]*2)) - Buff_32Point[CountVf] ); Buff_Restored_sin [CountV255]= (unsigned int)( Buff_16PointD [ CountV255] + 65536 - Buff_32Point[CountV255] ); if(Buff_32Point[CountV255]>0) { Temp_F_ras += Buff_32Point[CountV255]; } else if ((CountV255 & 0x1f)==0) { Main.F_ras=Temp_F_ras; Temp_F_ras=0; } else { Temp_F_ras -= Buff_32Point[CountV255]; } //unsigned int T_Vib; } else if(CountV255 == 255) { FFF=1;//âðåìåííàÿ çàïëàòêà äëÿ ïàóçû ïåðåä çàïîëíåíèåì îñòàëüíûõ áóôåðîâ for (yy = 0; yy < 256; yy++ ) { Buff_1Point [yy] = 0xffff; Buff_16Point [yy] = 0xffff; Buff_32Point [yy] = 0xffff; Buff_16PointD [yy] = 0xffff; } } }