Dmitry Kovalev / Mbed 2 deprecated LG

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Dependencies:   mbed

Fork of LG by igor Apu

SPI.c@22:e456b51c72ed, 2016-02-03 (annotated)

Committer:
Kovalev_D
Date:
Wed Feb 03 10:03:01 2016 +0000
Revision:
22:e456b51c72ed
Parent:
21:bc8c1cec3da6 
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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;
Kovalev_D 22:e456b51c72ed 3 unsigned int Temp_AMP=0;
Kovalev_D 22:e456b51c72ed 4
Kovalev_D 22:e456b51c72ed 5 unsigned int Temp_ADC_2=0;
Kovalev_D 22:e456b51c72ed 6 unsigned int Temp_ADC_3=0;
Kovalev_D 22:e456b51c72ed 7 unsigned int Temp_ADC_4=0;
Kovalev_D 22:e456b51c72ed 8 unsigned int Temp_ADC_5=0;
Kovalev_D 22:e456b51c72ed 9
Kovalev_D 22:e456b51c72ed 10
Kovalev_D 22:e456b51c72ed 11 unsigned int Buff_ADC_1 [256];
Kovalev_D 22:e456b51c72ed 12 unsigned int Buff_ADC_2 [256];
Kovalev_D 22:e456b51c72ed 13 unsigned int Buff_ADC_3 [256];
Kovalev_D 22:e456b51c72ed 14 unsigned int Buff_ADC_4 [256];
Kovalev_D 22:e456b51c72ed 15 unsigned int Buff_ADC_5 [256];
igor_v 0:8ad47e2b6f00 16
Kovalev_D 22:e456b51c72ed 17 unsigned int Buff_AMP [256];
Kovalev_D 22:e456b51c72ed 18
Kovalev_D 22:e456b51c72ed 19 unsigned int SinPLC[64]= {1023, 1016, 1006, 993, 976, 954, 904, 874, 841, 806, 768, 728,
Kovalev_D 22:e456b51c72ed 20 687, 645, 601, 557, 500, 379, 337, 296, 256, 219, 183, 150,
Kovalev_D 22:e456b51c72ed 21 120, 93, 69, 48, 31, 18, 8, 0, 8, 18, 31, 48,
Kovalev_D 22:e456b51c72ed 22 69, 93, 120, 150, 183, 219, 256, 296, 337, 379, 468, 512, 557,
Kovalev_D 22:e456b51c72ed 23 601, 645, 687, 728, 768, 806, 841, 874, 904, 954, 976, 993, 1006,
Kovalev_D 22:e456b51c72ed 24 1016, 1023};
Kovalev_D 22:e456b51c72ed 25 void DACLInit( void )
igor_v 21:bc8c1cec3da6 26 {
Kovalev_D 22:e456b51c72ed 27 /* setup the related pin to DAC output */
Kovalev_D 22:e456b51c72ed 28 LPC_PINCON->PINSEL1 = 0x00200000; /* set p0.26 to DAC output */
Kovalev_D 22:e456b51c72ed 29 return;
igor_v 21:bc8c1cec3da6 30 }
igor_v 0:8ad47e2b6f00 31 void SPI_Exchange()
igor_v 0:8ad47e2b6f00 32 {
Kovalev_D 22:e456b51c72ed 33 unsigned int Dummy;
Kovalev_D 22:e456b51c72ed 34
Kovalev_D 22:e456b51c72ed 35 Spi.ADC5 = LPC_SSP0->DR;
Kovalev_D 22:e456b51c72ed 36 Spi.ADC4 = LPC_SSP0->DR;
Kovalev_D 22:e456b51c72ed 37 Spi.ADC3 = LPC_SSP0->DR;
Kovalev_D 22:e456b51c72ed 38 Spi.ADC2 = LPC_SSP0->DR;
Kovalev_D 22:e456b51c72ed 39 Spi.ADC1 = LPC_SSP0->DR;
Kovalev_D 22:e456b51c72ed 40
Kovalev_D 22:e456b51c72ed 41 Input.ArrayIn[2]= Spi.ADC5;
igor_v 0:8ad47e2b6f00 42
Kovalev_D 22:e456b51c72ed 43 LPC_SSP0->DR=0x5555;
Kovalev_D 22:e456b51c72ed 44 LPC_SSP0->DR=0x5555;
Kovalev_D 22:e456b51c72ed 45 LPC_SSP0->DR=0x5555;
igor_v 0:8ad47e2b6f00 46
Kovalev_D 22:e456b51c72ed 47 if (CountV31 & 1) { //если нечетный такт то
Kovalev_D 22:e456b51c72ed 48 LPC_SSP0->DR = WRITE_DAC0; //e.команда для ЦАП_0 передавать.
Kovalev_D 22:e456b51c72ed 49 LPC_SSP0->DR = (Spi.DAC_A); //e. передача 12 бит
Kovalev_D 22:e456b51c72ed 50 } else { //если такт четный.
Kovalev_D 22:e456b51c72ed 51 LPC_SSP0->DR = WRITE_DAC1 ; //e.команда для ЦАП_1 передавать.
Kovalev_D 22:e456b51c72ed 52 LPC_SSP0->DR = (Spi.DAC_B); //e. передача 12 бит
Kovalev_D 22:e456b51c72ed 53 }
igor_v 0:8ad47e2b6f00 54
Kovalev_D 22:e456b51c72ed 55 LPC_DAC->CR = (((SinPLC[CountV64]*35)+21300)); // выдача в цап синус модулятора (привязан к двойной частоте ВП)
Kovalev_D 22:e456b51c72ed 56
Kovalev_D 22:e456b51c72ed 57 while (LPC_SSP0->SR & RX_SSP_notEMPT) //если буфер SPI не пуст.
Kovalev_D 22:e456b51c72ed 58 Dummy = LPC_SSP0->DR; //очистить буфер.
Kovalev_D 22:e456b51c72ed 59
Kovalev_D 22:e456b51c72ed 60
Kovalev_D 22:e456b51c72ed 61 Buff_ADC_1 [CountV255] = Spi.ADC1; // ампл ацп.
Kovalev_D 22:e456b51c72ed 62 Buff_ADC_2 [CountV255] = Spi.ADC2;
Kovalev_D 22:e456b51c72ed 63 Buff_ADC_3 [CountV255] = Spi.ADC3;
Kovalev_D 22:e456b51c72ed 64 Buff_ADC_4 [CountV255] = Spi.ADC4;
Kovalev_D 22:e456b51c72ed 65 Buff_ADC_5 [CountV255] = Spi.ADC5;
Kovalev_D 22:e456b51c72ed 66
Kovalev_D 22:e456b51c72ed 67
igor_v 0:8ad47e2b6f00 68
Kovalev_D 22:e456b51c72ed 69 Temp_AMP += Buff_ADC_5[CountV255];
Kovalev_D 22:e456b51c72ed 70 Temp_AMP -= Buff_ADC_5[(CountV255-32) & 0xff]; // заполнение буфера накопленых приращений за 8 тактов
Kovalev_D 22:e456b51c72ed 71 Buff_AMP[CountV255] = (unsigned int) (Temp_AMP);
Kovalev_D 22:e456b51c72ed 72
Kovalev_D 22:e456b51c72ed 73 Temp_ADC_2 += Buff_ADC_2[CountV255];
Kovalev_D 22:e456b51c72ed 74 Temp_ADC_2 -= Buff_ADC_2[(CountV255-32) & 0xff];
Kovalev_D 22:e456b51c72ed 75
Kovalev_D 22:e456b51c72ed 76 Temp_ADC_3 += Buff_ADC_3[CountV255];
Kovalev_D 22:e456b51c72ed 77 Temp_ADC_3 -= Buff_ADC_3[(CountV255-32) & 0xff];
Kovalev_D 22:e456b51c72ed 78
Kovalev_D 22:e456b51c72ed 79 Temp_ADC_4 += Buff_ADC_4[CountV255];
Kovalev_D 22:e456b51c72ed 80 Temp_ADC_4 -= Buff_ADC_4[(CountV255-32) & 0xff];
Kovalev_D 22:e456b51c72ed 81
Kovalev_D 22:e456b51c72ed 82 Temp_ADC_5 += Buff_ADC_1[CountV255];
Kovalev_D 22:e456b51c72ed 83 Temp_ADC_5 -= Buff_ADC_1[(CountV255-32) & 0xff];
igor_v 0:8ad47e2b6f00 84 }
igor_v 0:8ad47e2b6f00 85 void Init_SPI_Exchange()
igor_v 0:8ad47e2b6f00 86 {
Kovalev_D 22:e456b51c72ed 87 ResetCS(ADC); //prepare ADC for sampling
Kovalev_D 22:e456b51c72ed 88 SetDAC(DAC);
Kovalev_D 22:e456b51c72ed 89 LPC_GPIO2->FIOSET |= 0x0000004; // turn on the LED
igor_v 0:8ad47e2b6f00 90 //LPC_GPIO2->FIOSET |= 0x0000004; // turn on the LED
Kovalev_D 22:e456b51c72ed 91 //LPC_GPIO2->FIOSET |= 0x0000004; // turn on the LED
Kovalev_D 22:e456b51c72ed 92 SetCS(ADC); //start ADC sampling
Kovalev_D 22:e456b51c72ed 93 ResetDAC(DAC);
igor_v 21:bc8c1cec3da6 94 }