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host/Source/App/QEI.c
- Committer:
- Kovalev_D
- Date:
- 2016-02-03
- Revision:
- 23:12e6183f04d4
File content as of revision 23:12e6183f04d4:
#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;
}
}
}
