连接ADS1292模拟前端芯片，使用SPI库，导致串口不输出数据

biubiu · 发表于 2021-9-25 17:05:28

连接ADS1292模拟前端芯片，使用SPI库，导致串口不输出数据

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文涛 · 发表于 2021-9-25 17:16:20

你可以直接复制代码放代码上来的，目前loop里的代码都没显示出来,另外这个是针对哪个芯片平台进行开发的，也在问题描述里注明下

biubiu · 发表于 2021-9-25 18:10:23

[quote][size=2][color=#999999]文涛发表于 2021-9-25 17:16[/color][/size] 你可以直接复制代码放代码上来的，目前loop里的代码都没显示出来,另外这个是针对哪个芯片平台进行开发的， ...[/quote]

#include <arduino.h>
#include "protocentralAds1292r.h"
#include "ecgRespirationAlgo.h"
#include <SPI.h>

volatile uint8_t globalHeartRate;
volatile uint8_t globalRespirationRate=0;

const int ADS1292_DRDY_PIN = 26;
const int ADS1292_CS_PIN = 13;
const int ADS1292_START_PIN = 14;
const int ADS1292_PWDN_PIN = 27;

int16_t ecgWaveBuff, ecgFilterout;
int16_t resWaveBuff,respFilterout;

long timeElapsed=0;

ads1292r ADS1292R;
ecg_respiration_algorithm ECG_RESPIRATION_ALGORITHM;

void setup()
{
delay(2000);

SPI.begin();
SPI.setBitOrder(MSBFIRST);
//CPOL = 0, CPHA = 1
SPI.setDataMode(SPI_MODE1);
// Selecting 1Mhz clock for SPI
SPI.setClockDivider(SPI_CLOCK_DIV16);

pinMode(ADS1292_DRDY_PIN, INPUT);
pinMode(ADS1292_CS_PIN, OUTPUT);
pinMode(ADS1292_START_PIN, OUTPUT);
pinMode(ADS1292_PWDN_PIN, OUTPUT);
Serial.begin(9600);

ADS1292R.ads1292Init(ADS1292_CS_PIN,ADS1292_PWDN_PIN,ADS1292_START_PIN);  //initalize ADS1292 slave
Serial.println("Initiliziation is done");
}

void loop()
{
ads1292OutputValues ecgRespirationValues;
boolean ret = ADS1292R.getAds1292EcgAndRespirationSamples(ADS1292_DRDY_PIN,ADS1292_CS_PIN,&ecgRespirationValues);

if (ret == true)
{
ecgWaveBuff = (int16_t)(ecgRespirationValues.sDaqVals[1] >> 8) ;  // ignore the lower 8 bits out of 24bits
resWaveBuff = (int16_t)(ecgRespirationValues.sresultTempResp>>8) ;

if(ecgRespirationValues.leadoffDetected == false)
{
ECG_RESPIRATION_ALGORITHM.ECG_ProcessCurrSample(&ecgWaveBuff, &ecgFilterout);   // filter out the line noise @40Hz cutoff 161 order
ECG_RESPIRATION_ALGORITHM.QRS_Algorithm_Interface(ecgFilterout,&globalHeartRate);// calculate

//disable below 2 lines if you want to run with arduino uno. (arduino uno does not have the memory to do all processing together)
respFilterout = ECG_RESPIRATION_ALGORITHM.Resp_ProcessCurrSample(resWaveBuff);
ECG_RESPIRATION_ALGORITHM.RESP_Algorithm_Interface(respFilterout,&globalRespirationRate);

}else{

ecgFilterout = 0;
respFilterout = 0;
}

if(millis() > timeElapsed)  // update every one second
{
if(ecgRespirationValues.leadoffDetected == true) // lead in not connected
{
Serial.println("ECG lead error!!! ensure the leads are properly connected");
}else{

Serial.print("Heart rate: ");
Serial.print(globalHeartRate);
Serial.println("BPM");
Serial.print("Respiration Rate :");
Serial.println(globalRespirationRate);
}
timeElapsed += 1000;
}
}
}