Interface and connectivity ICs

Ask questions and find answers on connectivity ICs, focusing on protocols and I2C challenges on STM32 Nucleo boards and BlueNRG products.

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I2C_INTERRUPT Mode not working

I'm learning about the I2C interface. The polling method works properly, but the interrupt method is not working correctly.I enabled I2C listen mode, but when I send the address on the I2C line, the address match callback is not triggered.

L9966 single conversion mode

We have followed single conversion mode as outlined in: L9966 lambda sensor interface – rev. 1.0.0 1 L9966 lambda sensor interface Application Note. But the result register is all zeros.Is there anything missing?The register nameing is not consistant...

Resolved! ST67W61 pass-through mode

Hello, does ST67W61 module support pass-through mode?   I have an application based on a third-party IP stack and it would be a pain to rewrite it all with AT primitives. A far simpler solution would be replacing low-level calls to transmit and recei...

X-CUBE-ST67W61 interface

  I am planning to have my application interface with the service API of the X-CUBE-ST67W61 Software package. How does the shell utility interface with the Service API? Is the communication interface through a queue?

X-CUBE-ST67W61 architecture.jpg

S2-LP: Minimal deviation for GFSK

Hi everyone!We are trying to launch the GFSK reception on S2-LP in the basic mode. We have noticed that by reducing the deviation to 10 kHz most of the received packets gets discarded and even those accepted have at least 2-3 bits of errors. This beh...

Resolved! ST67W611M1 wrong data received through SPI

Dear all, I'm trying to control ST67W611M1 wifi module by using a linux host chip. After flashing the newest firmware I reset the module to SPI mode. Some logs can be received through the uart interface and the SPY_RDY pin is drived to high level. Bu...

VL53L8CX I2C with ESP32

Hello,I wanted to share about the VL53L8CX sensor and it's I2C.I have been using a lot of VL53L sensors (5CX, 1X) and now the 8CX.It always used to work super easily but with the VL53L8CX I cannot seem to make it work. Running an I2C scan doesn't det...

QoS configuration on ST67W

Hi, i have bought a Nucleo-U575ZI-Q coupled with a X-Nucleo-67W61M1 i have upload the exemple ST67W6X_MQTT, after reading the doc i have complete the configuration and i run well.  I use it with mosquitto or nanomq brokers (same results) but on both ...

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