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#include <stdio.h>
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#include <gpio.h>
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#include <uart.h>
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#include <stm32f4xx.h>
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#include <bsp.h>
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#include <core.h>
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#include <spi.h>
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void ads1278readOut(spi_t spidev,int32_t* data)
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{
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gpioset(ADC_FSYNC);
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//delay_100us(1);
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for(volatile int i=0;i<50;i++);
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gpioclr(ADC_FSYNC);
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for(int i=0;i<8;i++)
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{
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data[i]=spigetw(spidev)<<16;
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data[i]+=spigetw(spidev)<<8;
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data[i]+=spigetw(spidev);
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if((data[i]&(1<<23)))data[i]-=(1<<24);
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}
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}
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void pushData(int32_t* data)
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{
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// printf("%f\t%f\t%f\n",(6.0/(8*1000*1000)) *data[0],(6.0/(8*1000*1000))*data[1],(6.0/(8*1000*1000))*data[2]);
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printf("%f\n",(6.0/(16*1000*1000)) *data[0]);
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}
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void pushData2(int32_t* data)
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{
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char buffer[29];
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buffer[0] = 0xa5;
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buffer[1] = 0x0f;
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buffer[2] = 0x00;
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buffer[27] = 0xf0;
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buffer[28] = 0x5a;
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for(int i=0;i<8;i++)
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{
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buffer[(i*3)+3] = (char)data[i]>>16;
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buffer[(i*3)+4] = (char)data[i]>>8;
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buffer[(i*3)+5] = (char)data[i];
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}
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uartputnc(uart1,buffer,29);
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}
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void sample()
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{
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int32_t data[8];
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data[0]=0x712345;
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char buffer[2+1+3+2];
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buffer[0] = 0xa5;
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buffer[1] = 0x0f;
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buffer[2] = 0x00;
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buffer[2+1+3] = 0xf0;
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buffer[2+1+4] = 0x5a;
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while(1)
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{
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//uartputnc(uart1,buffer,3);
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uartputc(uart1,0xa5);
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uartputc(uart1,0x0f);
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uartputc(uart1,0x01);
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uartputc(uart1,25);
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for(int i=0;i<8;i++)
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{
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//ads1278readOut(spi1,data);
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uartputc(uart1,(char)0x1);//(data[0])>>16);
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uartputc(uart1,(char)0x2);//(data[0]>>8));
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uartputc(uart1,(char)0x3);//(data[0]>>0));
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}
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uartputc(uart1,0xf0);
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uartputc(uart1,0x5a);
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}
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}
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int main()
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{
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int32_t data[8];
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char test=0;
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for(int i=0;i<500;i++)
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{
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ads1278readOut(spi1,data);
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delay_100us(10);
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}
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sample();
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//while(1)
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//{
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// uartputc(uart1,test++);
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//}
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// while(1)
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// {
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// ads1278readOut(spi1,data);
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// gpioclr(LED2);
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// //delay_100us(100);
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//// for(volatile int i=0;i<100;i++);
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// pushData(data);
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// gpioset(LED2);
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// //delay_100us(100);
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// }
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}
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