帮我完成一段使用ADS1292连接心率传感器检测心率的代码
时间: 2023-12-10 14:37:00 浏览: 34
好的,以下是使用ADS1292连接心率传感器检测心率的代码:
```c
#include <SPI.h>
//ADS1292R Registers
#define ADS1292_STATUS 0x00
#define ADS1292_CONTROL 0x01
#define ADS1292_CONFIG1 0x02
#define ADS1292_CONFIG2 0x03
#define ADS1292_LOFF 0x04
#define ADS1292_CH1SET 0x05
#define ADS1292_CH2SET 0x06
#define ADS1292_RLD_SENS 0x07
#define ADS1292_LOFF_SENS 0x08
#define ADS1292_LOFF_STAT 0x09
//ADS1292R Command Definition
#define ADS1292_WAKEUP 0x02
#define ADS1292_STANDBY 0x04
#define ADS1292_RESET 0x06
#define ADS1292_START 0x08
#define ADS1292_STOP 0x0A
#define ADS1292_RDATAC 0x10
#define ADS1292_SDATAC 0x11
#define ADS1292_RDATA 0x12
const int DRDY = 2; //ADS1292 DRDY pin
const int CS = 10; //ADS1292 CS pin
const int RST = 9; //ADS1292 RST pin
void ADS1292_Init() {
pinMode(DRDY, INPUT);
pinMode(CS, OUTPUT);
pinMode(RST, OUTPUT);
digitalWrite(CS, HIGH); //disable ADS1292
digitalWrite(RST, HIGH); //reset ADS1292
delay(100);
digitalWrite(RST, LOW);
delay(100);
digitalWrite(RST, HIGH);
delay(100);
SPI.begin();
SPI.setClockDivider(SPI_CLOCK_DIV2); //set SPI clock to 8MHz
SPI.setDataMode(SPI_MODE1); //set SPI data mode to MODE1
SPI.setBitOrder(MSBFIRST); //set SPI bit order to MSBFIRST
ADS1292_SPI_Command(ADS1292_RESET); //reset ADS1292
delay(100);
ADS1292_SPI_Command(ADS1292_SDATAC); //stop continuous data mode
delay(100);
ADS1292_SPI_Command(ADS1292_START); //start ADS1292
delay(100);
}
void ADS1292_SPI_Command(unsigned char data) {
digitalWrite(CS, LOW);
delay(1);
SPI.transfer(data);
delay(1);
digitalWrite(CS, HIGH);
delay(1);
}
unsigned char ADS1292_SPI_Read() {
unsigned char data;
digitalWrite(CS, LOW);
delay(1);
data = SPI.transfer(0x00);
delay(1);
digitalWrite(CS, HIGH);
delay(1);
return data;
}
void ADS1292_SPI_Read_Data(unsigned char* data, int len) {
digitalWrite(CS, LOW);
delay(1);
for (int i = 0; i < len; i++) {
data[i] = SPI.transfer(0x00);
delay(1);
}
digitalWrite(CS, HIGH);
delay(1);
}
int ADS1292_Read_Data() {
int ecg_data = 0;
unsigned char data[3];
while (digitalRead(DRDY) == HIGH); //wait for DRDY to go LOW
ADS1292_SPI_Read_Data(data, 3); //read 3 bytes of ECG data
ecg_data = ((data[0] << 16) | (data[1] << 8) | data[2]) >> 8; //convert 24-bit data to 16-bit data
return ecg_data;
}
void setup() {
Serial.begin(9600);
ADS1292_Init();
}
void loop() {
int ecg_data = ADS1292_Read_Data();
Serial.println(ecg_data);
delay(2);
}
```
这段代码使用Arduino与ADS1292R连接,获取心率传感器的数据,并通过串口输出。需要注意的是,此处只是获取了ECG数据,并未进行心率计算。如果需要计算心率,需要进一步处理ECG数据。