Interface and connectivity ICs

74HC138, One I2C bus - 4 I2C devices

Hi,I am using 4 NFC 4 Clicks in combination with 74HC138 to connect them directly to on I2C bus. Can anyone hep me how do I implement this in my code so that he controller would switch between every I2C device.Rgrd,Anej

There is no cdc-acm driver on the existing embedded Linux computer side (Driver installation not possible) The stm cdc device is detected, but it couldn't be connected to TTY port. Can I connect with libusb? If not, is there a way to connect?

Getting DAC output via I2S line

Hello, I want to send data to the DAC with the I2S protocol (assume we are sending an array) and see a sine wave at the output.At this point, I would like to ask: Does the DAC in the stm32f407vg model mean the CS43L22 IC or an internal DAC unit in it...

Setting up extended advertising with BlueNRG-LP

Hi,I'm trying to setup a client & server pair that work like the following:Server using coded PHY, advertising its device name/manufacturer data in Secondary advertisement channels. That means it will advertise with ADV_EXT_IND in Primary channels fi...

Incorrect reset behavior SPIRIT1

I am using a SPIRIT1 as a transmitterI switch the (2.8v) rail onI wait for the part to become ready (as indicated on GPIO0)I then program it.On MOST samples this is OK, but about one in ten units intermittently fail to program correctly (the SMPS doe...

BueNRG2-M2SA in Application co-processor mode with another master

Hello, I am interfacing BlueNRG-M2SA with a Linux host and don't want to use it in network co-processor mode.is it ok if I use it in application co-processor mode where m2sa module does all the work and sends the data over to another master or anothe...

x-nucleo-idb05a2 X-CUBE-BLE1 hangs in interrupt handler after hard reset

I connected the x-nucleo-idb05a2 to a nucleo L452RE-P board and configured the project using X-CUBE-BLE1 and BLE sample application.I got it all working (IRQ, RESET, MISO, MOSI) after making sure that there was a required hard reset to start the BLUE...

BlueNRG_LP SDK rf_driver_hal_power_manager.c: Is this a bug or can somebody explain it to me?

#if defined(CONFIG_DEVICE_BLUENRG_LP) || defined(CONFIG_DEVICE_BLUENRG_LPS) /* Enable Power Save In the MR_BLE if the radio peripheral is disabled */ if (!LL_APB2_IsEnabledClock(LL_APB2_PERIPH_MRBLE)) { LL_APB2_EnableClock(LL_APB2_PERIPH_MRBL...

How to refresh key and replace old netkey and appkey on mesh network?

Hello ST,I found below mention function in appli_config.c file but it never get any call.void Appli_GetAppKeyUpdateParamsCb(model_securityKeyParams_t* appKeyUpdatedParams) {Callback from Config Model to receive the Updated App Key}Could you please he...