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Dependencies:   mbed

Fork of LG by igor Apu

SPI.c

Committer:
Kovalev_D
Date:
2016-02-04
Revision:
28:1c9acd3b224d
Parent:
21:bc8c1cec3da6
Child:
22:e456b51c72ed

File content as of revision 28:1c9acd3b224d:

#include "Global.h"
struct SPI Spi;
      unsigned int Temp_AMP=0;
			
			unsigned int Temp_ADC_2=0;
			unsigned int Temp_ADC_3=0;
			unsigned int Temp_ADC_4=0;
			unsigned int Temp_ADC_5=0;
     

			unsigned int Buff_ADC_1		   [256];
	    unsigned int Buff_ADC_2		   [256];
			unsigned int Buff_ADC_3	     [256];
			unsigned int Buff_ADC_4		   [256];
			unsigned int Buff_ADC_5		   [256];
       
      unsigned int Buff_AMP		     [256];
			
			unsigned int SinPLC[64]={1023,  1016,	 1006,	993,	976,	954,	904,	874,	841, 806, 768,   728,
                                687,  645,   601,		557,	500,	379, 	337,	296,	256, 219, 183,   150,
                                120,   93,    69,		 48,	 31,	 18,	  8,	0,		8,	 18,	31,   48, 
                                 69,   93,   120,    150,  183,  219,  256,  296,  337,	379,		468, 512,  557,
                                601,	 645,	  687,	  728,  768,  806,  841,  874,  904,		954,	976, 993, 1006, 
			                         1016,	1023};
 void DACLInit( void )
{
  /* setup the related pin to DAC output */
  LPC_PINCON->PINSEL1 = 0x00200000;	/* set p0.26 to DAC output */   
  return;
}
void SPI_Exchange()
{
	unsigned int Dummy;
	
  Spi.ADC5 = LPC_SSP0->DR;		 
	Spi.ADC4 = LPC_SSP0->DR;		
	Spi.ADC3 = LPC_SSP0->DR;		
	Spi.ADC2 = LPC_SSP0->DR;
	Spi.ADC1 = LPC_SSP0->DR;

	Input.ArrayIn[2]= Spi.ADC5;

  LPC_SSP0->DR=0x5555;
	LPC_SSP0->DR=0x5555;
	LPC_SSP0->DR=0x5555;

    	   if (CountV31 & 1)                        //если нечетный такт то
	         {
	        	LPC_SSP0->DR = WRITE_DAC0;   					//e.команда для ЦАП_0 передавать.
          	LPC_SSP0->DR = (Spi.DAC_A);         	//e. передача 12 бит
  	       } 
	          else //если такт четный.
	              {
	               LPC_SSP0->DR = WRITE_DAC1 ;   					//e.команда для ЦАП_1 передавать.
		             LPC_SSP0->DR = (Spi.DAC_B); 	        	//e. передача 12 бит
	              } 		 
								
					LPC_DAC->CR = (((SinPLC[CountV64]*35)+21300));		
  while (LPC_SSP0->SR & RX_SSP_notEMPT)  		            //если буфер SPI не пуст.
	Dummy = LPC_SSP0->DR;	                                //очистить буфер.
	

	    Buff_ADC_1	[CountV255] = Spi.ADC1;               // ампл ацп.
	    Buff_ADC_2	[CountV255] = Spi.ADC2;
			Buff_ADC_3	[CountV255] = Spi.ADC3;
			Buff_ADC_4	[CountV255] = Spi.ADC4;
			Buff_ADC_5	[CountV255] = Spi.ADC5;
	
	
	
	  Temp_AMP += Buff_ADC_5[CountV255];
		Temp_AMP -= Buff_ADC_5[(CountV255-32) & 0xff];                    // заполнение буфера накопленых приращений за 8 тактов
		Buff_AMP[CountV255] = (unsigned int) (Temp_AMP);
	
		Temp_ADC_2 += Buff_ADC_2[CountV255];
		Temp_ADC_2 -= Buff_ADC_2[(CountV255-32) & 0xff]; 
	
	  Temp_ADC_3 += Buff_ADC_3[CountV255];
		Temp_ADC_3 -= Buff_ADC_3[(CountV255-32) & 0xff]; 
	
	  Temp_ADC_4 += Buff_ADC_4[CountV255];
		Temp_ADC_4 -= Buff_ADC_4[(CountV255-32) & 0xff]; 
		
		Temp_ADC_5 += Buff_ADC_1[CountV255];
		Temp_ADC_5 -= Buff_ADC_1[(CountV255-32) & 0xff]; 
}
void Init_SPI_Exchange()
{
	  	ResetCS(ADC);					  	 //prepare ADC for sampling
		  SetDAC(DAC);		
      LPC_GPIO2->FIOSET |= 0x0000004;		// turn on the LED
//LPC_GPIO2->FIOSET |= 0x0000004;		// turn on the LED
//LPC_GPIO2->FIOSET |= 0x0000004;		// turn on the LED			 
	  	SetCS(ADC);					    		//start ADC sampling
	  	ResetDAC(DAC);
}