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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Forum Posts

SPWF01SA firmware

Posted on March 14, 2018 at 20:44Hi,I need a firmware (.bin file) to spwf01sa. I erased fimware from my spwf01sa by Flash Loader Demonstrator and now I have a problem with update firmware. Please for help  

SPWF04SA WPS problem

Posted on March 12, 2018 at 06:15When I use the first Firmware version SPWF04S-170216, WPS button can login to access point.But When I upgrade to new firmware both SPWF04S-170726 and SPWF04S-171117,when push WPS Button it,s not work, it,s show enrol...

SPWF04Sx - FW1.1.0 - MQTTCONN userID

Posted on March 13, 2018 at 12:17hi,question about MQTT conection TLS:how can i sent empty userID during MQTT Communication?if parameter userID is NULL, nv_model used....thanksYoannAT+S.MQTTCONNTo open a connection with an MQTT Broker. The command r...

Aci_Gatt_Update_Char_Value

Posted on March 13, 2018 at 09:39Hello all,I am facing a problem to update the values when changed. I have an slave bluenrg-1 stand alone which has defined 1 service and 5 characteristics and a master running in coprocessor which has defined 1 servi...

jampino by Associate II
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SPWF04SA SPI MISO driven when not selected

Posted on February 19, 2018 at 16:06Hi, In our testing of the SPWF04SA module in SPI mode, we've noticed that even when nCS is held high, the module is actively driving MISO low. Additionally, with nCS still high, when we clock SCK for another bus d...

Dat Tran by Senior II
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SPWF04SA SPI send race condition

Posted on February 14, 2018 at 14:44Hi,When using the SPI interface on the SPWF04SA, firmware 1.1, say we have a packet to write (no payload for simplicity) and nHostIRQ has not been asserted. We set CS low, write the packet header, then set CS high...

Dat Tran by Senior II
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SPWF04 SPI problem

Posted on March 12, 2018 at 12:31Hello I have a SPWF04 Wifi Module and I've tried to use the SPI interface to communicate with it but without success..Could anyone help me to configure the SPWF04 module in spi mode?here are the my (unsuccesful) step...

Bluenrg-ms get accepted connection interval

Posted on March 06, 2018 at 18:01Hi, I'm looking to do some timing specific code with the Bluenrg MSIt is running as a peripheral, and once a connection is established, we send an update connection request to the master, and get a response saying is...

SP1ML Bricked/Unresponsive after baud rate change

Posted on February 09, 2016 at 22:27Trying to see what he max throughput i could get through the SP1ML915 i decided to jack the baudrate up to 460800. After sending the command and then switching my com port baud I was able to communicate with the m...

jgarr by Associate II
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