Arduino nano with Adxl345 serial error ox0800 JRK21V3

Hello,

i want to drive a motor with an Arduino nano and a Adxl345, it use to work but now i got a serial error
on the JRK21V3. It should keep a basket horzontal for a handycapt person who needs oxygen.
I build this in 2016 and it worked. Now i have to build another one but it won`t function.
The code is below, can someone help me ?

#include <Wire.h>
#include <Adafruit_Sensor.h>
#include <Adafruit_ADXL345_U.h>
#include <SoftwareSerial.h>

SoftwareSerial mySerial(10, 11);
/* Assign a unique ID to this sensor at the same time */
Adafruit_ADXL345_Unified accel = Adafruit_ADXL345_Unified(12345);

////////////////////////////////////////////////////////////////////////////////////////////////////

float multiplier = 1 ;     //change this value to adjust motor sensitivity, decimals are ok 
int dir = 1;         // change to -1 to invert direction

////////////////////////////////////////////////////////////////////////////////////////////////////

int outputValue = 0;        // value output to the controller
int old_outputValue = 0; 
byte command[2];
int bytesSent = 0;
void displaySensorDetails(void)
{
  sensor_t sensor;
  accel.getSensor(&sensor);
  Serial.println("------------------------------------");
  Serial.print  ("Sensor:       "); Serial.println(sensor.name);
  Serial.print  ("Driver Ver:   "); Serial.println(sensor.version);
  Serial.print  ("Unique ID:    "); Serial.println(sensor.sensor_id);
  Serial.print  ("Max Value:    "); Serial.print(sensor.max_value); Serial.println(" m/s^2");
  Serial.print  ("Min Value:    "); Serial.print(sensor.min_value); Serial.println(" m/s^2");
  Serial.print  ("Resolution:   "); Serial.print(sensor.resolution); Serial.println(" m/s^2");  
  Serial.println("------------------------------------");
  Serial.println("");
  delay(500);
}

void displayDataRate(void)
{
  Serial.print  ("Data Rate:    "); 
  
  switch(accel.getDataRate())
  {
    case ADXL345_DATARATE_3200_HZ:
      Serial.print  ("3200 "); 
      break;
    case ADXL345_DATARATE_1600_HZ:
      Serial.print  ("1600 "); 
      break;
    case ADXL345_DATARATE_800_HZ:
      Serial.print  ("800 "); 
      break;
    case ADXL345_DATARATE_400_HZ:
      Serial.print  ("400 "); 
      break;
    case ADXL345_DATARATE_200_HZ:
      Serial.print  ("200 "); 
      break;
    case ADXL345_DATARATE_100_HZ:
      Serial.print  ("100 "); 
      break;
    case ADXL345_DATARATE_50_HZ:
      Serial.print  ("50 "); 
      break;
    case ADXL345_DATARATE_25_HZ:
      Serial.print  ("25 "); 
      break;
    case ADXL345_DATARATE_12_5_HZ:
      Serial.print  ("12.5 "); 
      break;
    case ADXL345_DATARATE_6_25HZ:
      Serial.print  ("6.25 "); 
      break;
    case ADXL345_DATARATE_3_13_HZ:
      Serial.print  ("3.13 "); 
      break;
    case ADXL345_DATARATE_1_56_HZ:
      Serial.print  ("1.56 "); 
      break;
    case ADXL345_DATARATE_0_78_HZ:
      Serial.print  ("0.78 "); 
      break;
    case ADXL345_DATARATE_0_39_HZ:
      Serial.print  ("0.39 "); 
      break;
    case ADXL345_DATARATE_0_20_HZ:
      Serial.print  ("0.20 "); 
      break;
    case ADXL345_DATARATE_0_10_HZ:
      Serial.print  ("0.10 "); 
      break;
    default:
      Serial.print  ("???? "); 
      break;
  }  
  Serial.println(" Hz");  
}

void displayRange(void)
{
  Serial.print  ("Range:         +/- "); 
  
  switch(accel.getRange())
  {
    case ADXL345_RANGE_16_G:
      Serial.print  ("16 "); 
      break;
    case ADXL345_RANGE_8_G:
      Serial.print  ("8 "); 
      break;
    case ADXL345_RANGE_4_G:
      Serial.print  ("4 "); 
      break;
    case ADXL345_RANGE_2_G:
      Serial.print  ("2 "); 
      break;
    default:
      Serial.print  ("?? "); 
      break;
  }  
  Serial.println(" g");  
}

void setup(void) 
{
pinMode(A0,INPUT);
  Serial.begin(9600);
  Serial.println("Accelerometer Test"); Serial.println("");
  mySerial.begin(19200);
  delay(100);
  mySerial.write(0xAA);
  /* Initialise the sensor */
  if(!accel.begin())
  {
    /* There was a problem detecting the ADXL345 ... check your connections */
    Serial.println("Ooops, no ADXL345 detected ... Check your wiring!");
    while(1);
  }

  /* Set the range to whatever is appropriate for your project */
  accel.setRange(ADXL345_RANGE_16_G);
  // displaySetRange(ADXL345_RANGE_8_G);
  // displaySetRange(ADXL345_RANGE_4_G);
  // displaySetRange(ADXL345_RANGE_2_G);
  
  /* Display some basic information on this sensor */
  displaySensorDetails();
  
  /* Display additional settings (outside the scope of sensor_t) */
  displayDataRate();
  displayRange();
  Serial.println("");
}

void loop(void) 
{
  
   old_outputValue = outputValue;
  /* Get a new sensor event */ 
  sensors_event_t event; 
  accel.getEvent(&event);
   //outputValue = map(analogRead(A0)*multiplier, 0, 1023, -127, 127);
 outputValue = map(((event.acceleration.x)*multiplier*dir), -10, 10, -127, 127);
  /* Display the results (acceleration is measured in m/s^2) */
 if (mySerial.available()){
 Serial.print("Incomming: ");
Serial.print(mySerial.read(),BIN);
Serial.println();
}
  if (outputValue != old_outputValue) {
   Serial.print("X: ");
  Serial.print(event.acceleration.x);
  Serial.print("  ");
  Serial.print("m/s^2 ");
  Serial.println(outputValue);
    if(outputValue>=0){
    mySerial.write(0xE1);
    mySerial.write(outputValue); 
    }
    if(outputValue<0){
    mySerial.write(0xE0);
    mySerial.write(-(outputValue)); 
    }   
  mySerial.write(0xB3);
  }
   delay(200);

5 posts - 3 participants

Read full topic