Jetson Xavier Nx i2c connection problem with any sensor such as mpu6050

[ufukasill]

Hello everyone. I have jetson Xavier Nx and Mpu 6050 Imu sensor. There are a library and a tutorial for this sensor but library working on jetson nano . jetson nano bus 1 using scl 5.pin and sda 3.pin . But jetson xavier Nx bus 1 using scl 28.pin and sda 27.pin so any sensor can’t working on jetson Xavier NX Please help me how can i fix it. PLease Please Please …

tutorial is here

Visualize IMU Data Using the MPU6050, ROS, and Jetson Nano – Automatic Addison

[ShaneCCC]

Did you confirm the i2cdetect on Xavier NX?

[ufukasill]

I tried 4.6.4 Jetpack. All of my sensors work now on the Xavier Nx (MPU6050, 7-inch LCD monitor). My Jetpack version was 5.1.1 when I had this problem. There are many incompatible problems with the latest Jetpack version. You have to fix it. Please report these problems. I tried maybe 2-3 mounts for this problem.

[ShaneCCC]

Please confirm if i2cdetect able to detect the device then breakdown to .py file to narrow down it.

[ufukasill]

My jetson Xavier NX detects the MPU6050 sensor on Jetpack 5.1.1, as you can see in the first photo. and connected with 27/28 pins as different from the Jetson Nano because Xavier Nx bus 1 uses 27/28 pins, as you know.
The same code is not working on the 5.1.1 jetpack but works on 4.6.4 and also my 7’’ monitor is not work on 5.1.1 jetpack.
I have tried to fix this problem on three mounts. How can i know about related Jetpack versions?

import smbus            #import SMBus module of I2C
from time import sleep          #import
 
#some MPU6050 Registers and their Address
PWR_MGMT_1   = 0x6B
SMPLRT_DIV   = 0x19
CONFIG       = 0x1A
GYRO_CONFIG  = 0x1B
INT_ENABLE   = 0x38
ACCEL_XOUT_H = 0x3B
ACCEL_YOUT_H = 0x3D
ACCEL_ZOUT_H = 0x3F
GYRO_XOUT_H  = 0x43
GYRO_YOUT_H  = 0x45
GYRO_ZOUT_H  = 0x47
 
 
def MPU_Init():
    #write to sample rate register
    bus.write_byte_data(Device_Address, SMPLRT_DIV, 7)
     
    #Write to power management register
    bus.write_byte_data(Device_Address, PWR_MGMT_1, 1)
     
    #Write to Configuration register
    bus.write_byte_data(Device_Address, CONFIG, 0)
     
    #Write to Gyro configuration register
    bus.write_byte_data(Device_Address, GYRO_CONFIG, 24)
     
    #Write to interrupt enable register
    bus.write_byte_data(Device_Address, INT_ENABLE, 1)
 
def read_raw_data(addr):
    #Accelero and Gyro value are 16-bit
        high = bus.read_byte_data(Device_Address, addr)
        low = bus.read_byte_data(Device_Address, addr+1)
     
        #concatenate higher and lower value
        value = ((high << 8) | low)
         
        #to get signed value from mpu6050
        if(value > 32768):
                value = value - 65536
        return value
 
 
bus = smbus.SMBus(1)    # or bus = smbus.SMBus(0) for older version boards
Device_Address = 0x68   # MPU6050 device address
 
MPU_Init()
 
print (" Reading Data of Gyroscope and Accelerometer")
 
while True:
     
    #Read Accelerometer raw value
    acc_x = read_raw_data(ACCEL_XOUT_H)
    acc_y = read_raw_data(ACCEL_YOUT_H)
    acc_z = read_raw_data(ACCEL_ZOUT_H)
     
    #Read Gyroscope raw value
    gyro_x = read_raw_data(GYRO_XOUT_H)
    gyro_y = read_raw_data(GYRO_YOUT_H)
    gyro_z = read_raw_data(GYRO_ZOUT_H)
     
    #Full scale range +/- 250 degree/C as per sensitivity scale factor
    Ax = acc_x/16384.0
    Ay = acc_y/16384.0
    Az = acc_z/16384.0
     
    Gx = gyro_x/131.0
    Gy = gyro_y/131.0
    Gz = gyro_z/131.0
     
 
    print ("Gx=%.2f" %Gx, u'\u00b0'+ "/s", "\tGy=%.2f" %Gy, u'\u00b0'+ "/s", "\tGz=%.2f" %Gz, u'\u00b0'+ "/s", "\tAx=%.2f g" %Ax, "\tAy=%.2f g" %Ay, "\tAz=%.2f g" %Az)     
    sleep(1)

[ShaneCCC]

From the error looks like unable read/write data by i2c python code.
Have confirm if i2cget/i2cwrite able to access the mpu6050