About eyal.gal

eyal.gal · 2019-11-28

Hi.We have a board based on nordik nrf52840 chip with lis3dh accelerator sensor connected.i took the driver code for lis3dh from STM github and wrote the context functions using nordic sdk 15.2 (I2C bus). First of all i must say that the ADDRESS in ...

eyal.gal · 2019-11-29

agreed it might get tricky however the STM code also does the same things, IE reading a bulk data. i can of course try to read the data byte by byte or more like two by two bytes (each accelerometer value is two bytes), but i'm pretty sure it wont ma...

eyal.gal · 2019-11-28

> So, did you observe 0x18 / 0x19 as device addresses on the bus, i.e. as ACK-nowledged address value (first transferred byte) ?yes we did.> Not sure if we talk about the same thing.Auto increment relates to internal register addresses of the I2C sla...

eyal.gal · 2019-11-28

you suggest to test with a scope the retrieval of the axis (bulk retrieval with MSB turned on for auto increment)?Cause the addressing works as i said and yes we did test with a scope once and the data passed in and out fine, the sensor responds to t...

eyal.gal · 2019-11-28

it does not make any sense. the code from STM is : #define LIS3DH_I2C_ADD_L 0x31U #define LIS3DH_I2C_ADD_H 0x33Uwhile the code from adafruit\RAKWireless is:/** I2C ADDRESS/BITS **/ #define LIS3DH_DEFAULT_ADDRESS (0x18) // if SDO/SA0 is 3V, its 0x...

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