Dmitry Kovalev / Mbed 2 deprecated LG

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Dependencies:   mbed

Fork of LG by igor Apu

SPI.c@28:1c9acd3b224d, 2016-02-04 (annotated)

Committer:
Kovalev_D
Date:
Thu Feb 04 10:21:57 2016 +0000
Revision:
28:1c9acd3b224d
Parent:
21:bc8c1cec3da6
Child:
22:e456b51c72ed
13:21

Who changed what in which revision?

UserRevisionLine numberNew contents of line
igor_v 0:8ad47e2b6f00 1 #include "Global.h"
igor_v 0:8ad47e2b6f00 2 struct SPI Spi;
igor_v 0:8ad47e2b6f00 3 unsigned int Temp_AMP=0;
igor_v 0:8ad47e2b6f00 4
igor_v 0:8ad47e2b6f00 5 unsigned int Temp_ADC_2=0;
igor_v 0:8ad47e2b6f00 6 unsigned int Temp_ADC_3=0;
igor_v 0:8ad47e2b6f00 7 unsigned int Temp_ADC_4=0;
igor_v 0:8ad47e2b6f00 8 unsigned int Temp_ADC_5=0;
igor_v 0:8ad47e2b6f00 9
igor_v 0:8ad47e2b6f00 10
igor_v 0:8ad47e2b6f00 11 unsigned int Buff_ADC_1 [256];
igor_v 0:8ad47e2b6f00 12 unsigned int Buff_ADC_2 [256];
igor_v 0:8ad47e2b6f00 13 unsigned int Buff_ADC_3 [256];
igor_v 0:8ad47e2b6f00 14 unsigned int Buff_ADC_4 [256];
igor_v 0:8ad47e2b6f00 15 unsigned int Buff_ADC_5 [256];
igor_v 0:8ad47e2b6f00 16
igor_v 0:8ad47e2b6f00 17 unsigned int Buff_AMP [256];
igor_v 21:bc8c1cec3da6 18
igor_v 21:bc8c1cec3da6 19 unsigned int SinPLC[64]={1023, 1016, 1006, 993, 976, 954, 904, 874, 841, 806, 768, 728,
igor_v 21:bc8c1cec3da6 20 687, 645, 601, 557, 500, 379, 337, 296, 256, 219, 183, 150,
igor_v 21:bc8c1cec3da6 21 120, 93, 69, 48, 31, 18, 8, 0, 8, 18, 31, 48,
igor_v 21:bc8c1cec3da6 22 69, 93, 120, 150, 183, 219, 256, 296, 337, 379, 468, 512, 557,
igor_v 21:bc8c1cec3da6 23 601, 645, 687, 728, 768, 806, 841, 874, 904, 954, 976, 993, 1006,
igor_v 21:bc8c1cec3da6 24 1016, 1023};
igor_v 21:bc8c1cec3da6 25 void DACLInit( void )
igor_v 21:bc8c1cec3da6 26 {
igor_v 21:bc8c1cec3da6 27 /* setup the related pin to DAC output */
igor_v 21:bc8c1cec3da6 28 LPC_PINCON->PINSEL1 = 0x00200000; /* set p0.26 to DAC output */
igor_v 21:bc8c1cec3da6 29 return;
igor_v 21:bc8c1cec3da6 30 }
igor_v 0:8ad47e2b6f00 31 void SPI_Exchange()
igor_v 0:8ad47e2b6f00 32 {
igor_v 0:8ad47e2b6f00 33 unsigned int Dummy;
igor_v 0:8ad47e2b6f00 34
igor_v 0:8ad47e2b6f00 35 Spi.ADC5 = LPC_SSP0->DR;
igor_v 0:8ad47e2b6f00 36 Spi.ADC4 = LPC_SSP0->DR;
igor_v 0:8ad47e2b6f00 37 Spi.ADC3 = LPC_SSP0->DR;
igor_v 0:8ad47e2b6f00 38 Spi.ADC2 = LPC_SSP0->DR;
igor_v 0:8ad47e2b6f00 39 Spi.ADC1 = LPC_SSP0->DR;
igor_v 0:8ad47e2b6f00 40
igor_v 0:8ad47e2b6f00 41 Input.ArrayIn[2]= Spi.ADC5;
igor_v 0:8ad47e2b6f00 42
igor_v 0:8ad47e2b6f00 43 LPC_SSP0->DR=0x5555;
igor_v 0:8ad47e2b6f00 44 LPC_SSP0->DR=0x5555;
igor_v 0:8ad47e2b6f00 45 LPC_SSP0->DR=0x5555;
igor_v 0:8ad47e2b6f00 46
igor_v 21:bc8c1cec3da6 47 if (CountV31 & 1) //если нечетный такт то
igor_v 0:8ad47e2b6f00 48 {
igor_v 21:bc8c1cec3da6 49 LPC_SSP0->DR = WRITE_DAC0; //e.команда для ЦАП_0 передавать.
igor_v 21:bc8c1cec3da6 50 LPC_SSP0->DR = (Spi.DAC_A); //e. передача 12 бит
igor_v 0:8ad47e2b6f00 51 }
igor_v 21:bc8c1cec3da6 52 else //если такт четный.
igor_v 0:8ad47e2b6f00 53 {
igor_v 21:bc8c1cec3da6 54 LPC_SSP0->DR = WRITE_DAC1 ; //e.команда для ЦАП_1 передавать.
igor_v 21:bc8c1cec3da6 55 LPC_SSP0->DR = (Spi.DAC_B); //e. передача 12 бит
igor_v 0:8ad47e2b6f00 56 }
igor_v 21:bc8c1cec3da6 57
igor_v 21:bc8c1cec3da6 58 LPC_DAC->CR = (((SinPLC[CountV64]*35)+21300));
igor_v 21:bc8c1cec3da6 59 while (LPC_SSP0->SR & RX_SSP_notEMPT) //если буфер SPI не пуст.
igor_v 21:bc8c1cec3da6 60 Dummy = LPC_SSP0->DR; //очистить буфер.
igor_v 0:8ad47e2b6f00 61
igor_v 0:8ad47e2b6f00 62
igor_v 21:bc8c1cec3da6 63 Buff_ADC_1 [CountV255] = Spi.ADC1; // ампл ацп.
igor_v 0:8ad47e2b6f00 64 Buff_ADC_2 [CountV255] = Spi.ADC2;
igor_v 0:8ad47e2b6f00 65 Buff_ADC_3 [CountV255] = Spi.ADC3;
igor_v 0:8ad47e2b6f00 66 Buff_ADC_4 [CountV255] = Spi.ADC4;
igor_v 0:8ad47e2b6f00 67 Buff_ADC_5 [CountV255] = Spi.ADC5;
igor_v 0:8ad47e2b6f00 68
igor_v 0:8ad47e2b6f00 69
igor_v 0:8ad47e2b6f00 70
igor_v 0:8ad47e2b6f00 71 Temp_AMP += Buff_ADC_5[CountV255];
igor_v 21:bc8c1cec3da6 72 Temp_AMP -= Buff_ADC_5[(CountV255-32) & 0xff]; // заполнение буфера накопленых приращений за 8 тактов
igor_v 0:8ad47e2b6f00 73 Buff_AMP[CountV255] = (unsigned int) (Temp_AMP);
igor_v 0:8ad47e2b6f00 74
igor_v 0:8ad47e2b6f00 75 Temp_ADC_2 += Buff_ADC_2[CountV255];
igor_v 0:8ad47e2b6f00 76 Temp_ADC_2 -= Buff_ADC_2[(CountV255-32) & 0xff];
igor_v 0:8ad47e2b6f00 77
igor_v 0:8ad47e2b6f00 78 Temp_ADC_3 += Buff_ADC_3[CountV255];
igor_v 0:8ad47e2b6f00 79 Temp_ADC_3 -= Buff_ADC_3[(CountV255-32) & 0xff];
igor_v 0:8ad47e2b6f00 80
igor_v 0:8ad47e2b6f00 81 Temp_ADC_4 += Buff_ADC_4[CountV255];
igor_v 0:8ad47e2b6f00 82 Temp_ADC_4 -= Buff_ADC_4[(CountV255-32) & 0xff];
igor_v 0:8ad47e2b6f00 83
igor_v 0:8ad47e2b6f00 84 Temp_ADC_5 += Buff_ADC_1[CountV255];
igor_v 0:8ad47e2b6f00 85 Temp_ADC_5 -= Buff_ADC_1[(CountV255-32) & 0xff];
igor_v 0:8ad47e2b6f00 86 }
igor_v 0:8ad47e2b6f00 87 void Init_SPI_Exchange()
igor_v 0:8ad47e2b6f00 88 {
igor_v 0:8ad47e2b6f00 89 ResetCS(ADC); //prepare ADC for sampling
igor_v 0:8ad47e2b6f00 90 SetDAC(DAC);
igor_v 0:8ad47e2b6f00 91 LPC_GPIO2->FIOSET |= 0x0000004; // turn on the LED
igor_v 0:8ad47e2b6f00 92 //LPC_GPIO2->FIOSET |= 0x0000004; // turn on the LED
igor_v 0:8ad47e2b6f00 93 //LPC_GPIO2->FIOSET |= 0x0000004; // turn on the LED
igor_v 0:8ad47e2b6f00 94 SetCS(ADC); //start ADC sampling
igor_v 0:8ad47e2b6f00 95 ResetDAC(DAC);
igor_v 21:bc8c1cec3da6 96 }