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_LardDork _
_LardDork _
Associate
February 9, 2016
Question

STM32F103x and MPU6050 I2C Issue

  • February 9, 2016
  • 1 reply
  • 706 views
Posted on February 09, 2016 at 14:27

I worked out on a library for UART debug and I2C basics to read write registers via I2C..problem now is I read the  FIFO but it turns out to be zero..Disabled sleep bit..Fifo Enable Register Set, User Control Register set too..but still no readings.

https://img42.com/XS0d0

here's the link to the code  

https://github.com/spookymelonhead/Tuna_Fish/tree/master/Tuna_Fish

#stm32 #stm32f103x #mpu6050 #i2c
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1 reply

pkumar1883
pkumar1883
Associate III
February 11, 2016
Posted on February 11, 2016 at 07:15

Hi,

Which board are you using for MPU6050. As this chip comes in QFN package, so please verify if it is soldered accurately(not dry soldered pins) on PCB.

Then see if you are passing correct addresses to access the FIFOs. Check ACK from chip.

I have worked with the same chip.

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