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SPI.c
- Committer:
- igor_v
- Date:
- 2016-02-05
- Revision:
- 31:c783288001b5
- Parent:
- 21:bc8c1cec3da6
- Child:
- 47:d902ef6f7564
File content as of revision 31:c783288001b5:
#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); }