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host/Source/App/SPI.c@22:12e6183f04d4, 2016-02-03 (annotated)

Committer:
Kovalev_D
Date:
Wed Feb 03 10:44:42 2016 +0300
Revision:
22:12e6183f04d4
[thyz

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Kovalev_D 22:12e6183f04d4 1 #include "Global.h"
Kovalev_D 22:12e6183f04d4 2 #include "SPI.h"
Kovalev_D 22:12e6183f04d4 3 #include "stdlib.h"
Kovalev_D 22:12e6183f04d4 4 #include "lpc17xx.h"
Kovalev_D 22:12e6183f04d4 5 #include "InputOutput.h"
Kovalev_D 22:12e6183f04d4 6 #include "MTimer.h"
Kovalev_D 22:12e6183f04d4 7 struct SPI Spi;
Kovalev_D 22:12e6183f04d4 8 unsigned int Temp_AMP=0;
Kovalev_D 22:12e6183f04d4 9
Kovalev_D 22:12e6183f04d4 10 unsigned int Temp_ADC_2=0;
Kovalev_D 22:12e6183f04d4 11 unsigned int Temp_ADC_3=0;
Kovalev_D 22:12e6183f04d4 12 unsigned int Temp_ADC_4=0;
Kovalev_D 22:12e6183f04d4 13 unsigned int Temp_ADC_5=0;
Kovalev_D 22:12e6183f04d4 14
Kovalev_D 22:12e6183f04d4 15
Kovalev_D 22:12e6183f04d4 16 unsigned int Buff_ADC_1 [256];
Kovalev_D 22:12e6183f04d4 17 unsigned int Buff_ADC_2 [256];
Kovalev_D 22:12e6183f04d4 18 unsigned int Buff_ADC_3 [256];
Kovalev_D 22:12e6183f04d4 19 unsigned int Buff_ADC_4 [256];
Kovalev_D 22:12e6183f04d4 20 unsigned int Buff_ADC_5 [256];
Kovalev_D 22:12e6183f04d4 21
Kovalev_D 22:12e6183f04d4 22 unsigned int Buff_AMP [256];
Kovalev_D 22:12e6183f04d4 23
Kovalev_D 22:12e6183f04d4 24 unsigned int SinPLC[64]={1023, 1016, 1006, 993, 976, 954, 904, 874, 841, 806, 768, 728,
Kovalev_D 22:12e6183f04d4 25 687, 645, 601, 557, 500, 379, 337, 296, 256, 219, 183, 150,
Kovalev_D 22:12e6183f04d4 26 120, 93, 69, 48, 31, 18, 8, 0, 8, 18, 31, 48,
Kovalev_D 22:12e6183f04d4 27 69, 93, 120, 150, 183, 219, 256, 296, 337, 379, 468, 512, 557,
Kovalev_D 22:12e6183f04d4 28 601, 645, 687, 728, 768, 806, 841, 874, 904, 954, 976, 993, 1006,
Kovalev_D 22:12e6183f04d4 29 1016, 1023};
Kovalev_D 22:12e6183f04d4 30 void DACLInit( void )
Kovalev_D 22:12e6183f04d4 31 {
Kovalev_D 22:12e6183f04d4 32 /* setup the related pin to DAC output */
Kovalev_D 22:12e6183f04d4 33 LPC_PINCON->PINSEL1 = 0x00200000; /* set p0.26 to DAC output */
Kovalev_D 22:12e6183f04d4 34 return;
Kovalev_D 22:12e6183f04d4 35 }
Kovalev_D 22:12e6183f04d4 36 void SPI_Exchange()
Kovalev_D 22:12e6183f04d4 37 {
Kovalev_D 22:12e6183f04d4 38 unsigned int Dummy;
Kovalev_D 22:12e6183f04d4 39
Kovalev_D 22:12e6183f04d4 40 Spi.ADC5 = LPC_SSP0->DR;
Kovalev_D 22:12e6183f04d4 41 Spi.ADC4 = LPC_SSP0->DR;
Kovalev_D 22:12e6183f04d4 42 Spi.ADC3 = LPC_SSP0->DR;
Kovalev_D 22:12e6183f04d4 43 Spi.ADC2 = LPC_SSP0->DR;
Kovalev_D 22:12e6183f04d4 44 Spi.ADC1 = LPC_SSP0->DR;
Kovalev_D 22:12e6183f04d4 45
Kovalev_D 22:12e6183f04d4 46 Input.ArrayIn[2]= Spi.ADC5;
Kovalev_D 22:12e6183f04d4 47
Kovalev_D 22:12e6183f04d4 48 LPC_SSP0->DR=0x5555;
Kovalev_D 22:12e6183f04d4 49 LPC_SSP0->DR=0x5555;
Kovalev_D 22:12e6183f04d4 50 LPC_SSP0->DR=0x5555;
Kovalev_D 22:12e6183f04d4 51
Kovalev_D 22:12e6183f04d4 52 if (CountV31 & 1) //åñëè íå÷åòíûé òàêò òî
Kovalev_D 22:12e6183f04d4 53 {
Kovalev_D 22:12e6183f04d4 54 LPC_SSP0->DR = WRITE_DAC0; //e.êîìàíäà äëÿ ÖÀÏ_0 ïåðåäàâàòü.
Kovalev_D 22:12e6183f04d4 55 LPC_SSP0->DR = (Spi.DAC_A); //e. ïåðåäà÷à 12 áèò
Kovalev_D 22:12e6183f04d4 56 }
Kovalev_D 22:12e6183f04d4 57 else //åñëè òàêò ÷åòíûé.
Kovalev_D 22:12e6183f04d4 58 {
Kovalev_D 22:12e6183f04d4 59 LPC_SSP0->DR = WRITE_DAC1 ; //e.êîìàíäà äëÿ ÖÀÏ_1 ïåðåäàâàòü.
Kovalev_D 22:12e6183f04d4 60 LPC_SSP0->DR = (Spi.DAC_B); //e. ïåðåäà÷à 12 áèò
Kovalev_D 22:12e6183f04d4 61 }
Kovalev_D 22:12e6183f04d4 62
Kovalev_D 22:12e6183f04d4 63 LPC_DAC->CR = (((SinPLC[CountV64]*35)+21300));
Kovalev_D 22:12e6183f04d4 64 while (LPC_SSP0->SR & RX_SSP_notEMPT) //åñëè áóôåð SPI íå ïóñò.
Kovalev_D 22:12e6183f04d4 65 Dummy = LPC_SSP0->DR; //î÷èñòèòü áóôåð.
Kovalev_D 22:12e6183f04d4 66
Kovalev_D 22:12e6183f04d4 67
Kovalev_D 22:12e6183f04d4 68 Buff_ADC_1 [CountV255] = Spi.ADC1; // àìïë àöï.
Kovalev_D 22:12e6183f04d4 69 Buff_ADC_2 [CountV255] = Spi.ADC2;
Kovalev_D 22:12e6183f04d4 70 Buff_ADC_3 [CountV255] = Spi.ADC3;
Kovalev_D 22:12e6183f04d4 71 Buff_ADC_4 [CountV255] = Spi.ADC4;
Kovalev_D 22:12e6183f04d4 72 Buff_ADC_5 [CountV255] = Spi.ADC5;
Kovalev_D 22:12e6183f04d4 73
Kovalev_D 22:12e6183f04d4 74
Kovalev_D 22:12e6183f04d4 75
Kovalev_D 22:12e6183f04d4 76 Temp_AMP += Buff_ADC_5[CountV255];
Kovalev_D 22:12e6183f04d4 77 Temp_AMP -= Buff_ADC_5[(CountV255-32) & 0xff]; // çàïîëíåíèå áóôåðà íàêîïëåíûõ ïðèðàùåíèé çà 8 òàêòîâ
Kovalev_D 22:12e6183f04d4 78 Buff_AMP[CountV255] = (unsigned int) (Temp_AMP);
Kovalev_D 22:12e6183f04d4 79
Kovalev_D 22:12e6183f04d4 80 Temp_ADC_2 += Buff_ADC_2[CountV255];
Kovalev_D 22:12e6183f04d4 81 Temp_ADC_2 -= Buff_ADC_2[(CountV255-32) & 0xff];
Kovalev_D 22:12e6183f04d4 82
Kovalev_D 22:12e6183f04d4 83 Temp_ADC_3 += Buff_ADC_3[CountV255];
Kovalev_D 22:12e6183f04d4 84 Temp_ADC_3 -= Buff_ADC_3[(CountV255-32) & 0xff];
Kovalev_D 22:12e6183f04d4 85
Kovalev_D 22:12e6183f04d4 86 Temp_ADC_4 += Buff_ADC_4[CountV255];
Kovalev_D 22:12e6183f04d4 87 Temp_ADC_4 -= Buff_ADC_4[(CountV255-32) & 0xff];
Kovalev_D 22:12e6183f04d4 88
Kovalev_D 22:12e6183f04d4 89 Temp_ADC_5 += Buff_ADC_1[CountV255];
Kovalev_D 22:12e6183f04d4 90 Temp_ADC_5 -= Buff_ADC_1[(CountV255-32) & 0xff];
Kovalev_D 22:12e6183f04d4 91 }
Kovalev_D 22:12e6183f04d4 92 void Init_SPI_Exchange()
Kovalev_D 22:12e6183f04d4 93 {
Kovalev_D 22:12e6183f04d4 94 ResetCS(ADC); //prepare ADC for sampling
Kovalev_D 22:12e6183f04d4 95 SetDAC(DAC);
Kovalev_D 22:12e6183f04d4 96 LPC_GPIO2->FIOSET |= 0x0000004; // turn on the LED
Kovalev_D 22:12e6183f04d4 97 //LPC_GPIO2->FIOSET |= 0x0000004; // turn on the LED
Kovalev_D 22:12e6183f04d4 98 //LPC_GPIO2->FIOSET |= 0x0000004; // turn on the LED
Kovalev_D 22:12e6183f04d4 99 SetCS(ADC); //start ADC sampling
Kovalev_D 22:12e6183f04d4 100 ResetDAC(DAC);
Kovalev_D 22:12e6183f04d4 101 }