I am getting a bt_hci_core: HCI driver open failed (-11) with a custom board using nrfConnect for VS Code and 2.9.1 toolchain/sdk.
The code is really simple (I'm not...
Hi,
I’m using the function lte_lc_psm_param_set(rptau, rat) . After connecting to LTE, I call lte_lc_psm_get(&psm_cfg.tau, &psm_cfg.active_time) and receive the following...
Hi,
Developmente setup: Windows x64, nrf connect for vs code, SDK and toolchain versions 3.0.2.
I was trying to build a proyect for a custom nRF5340 board when I encountered...
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I am getting randomly incorrect SOC reported by pmic npm1300. For most days, it reports correct SOC but then all of a sudden it starts to report incorrect SOC even though...
Hi,
I recently found out about the Periodic interval feature on GRTC CC[0] and it seems like it would be quite useful for my application. Most of my code so far uses the...
Hi,
I have integrated Neuton’s “Transport Type Detection” pre-trained model into my firmware, running on a nRF52840dk. For collecting 9-axis IMU data, I’m using the ST X...
I'm trying to implement a fall detection feature on the headset side using the LSM6DSOX IMU sensor. The IMU is configured successfully, but the board halts after the INT1...
I had a mbed firmware running on a ST Nucleo 64 that periodically query a sensor for data. It only use the I2C, a button interrupt and a LED for heartbeat. I ported it to...
Hi,
I want to know that if the TWI easyDMA in nRF52 can help in achieving this task:
we want to read from TWI each 10msec based on a timer interrupt and write...
Hello:
I have detected a problem with a timer on my program.
I can solve it, but I would like to understand what is happening exactly.
My program starts to scan BLE signal...
I'm writing the client-side code for the Nordic DFU service and according to the spec, the DFU packet characteristic uses Write Without Request. Are there any examples of...
Hi,
I'm trying to implement a HID gamepad on nRF52832. Here is my situation:
nRF is receiving frame over UART from master uC every 15 ms. Frame is being converted and...
I was trying to track down high, approx. 6mA, processor current consumption and I have found high current consumption if the FPU executes a divide by 0. If I comment out the...
When I start the "ble-sniffer_win_1.0.1_1111_Sniffer.exe" program I get this screenshot:
The port was found correctly (COM4) but I see no devices found.
Am I missing...
Which is more lower power consumption,system off mode or system reset (according to nReset/SWDIO pin Lo) when we don't use nRF51822 for a long time ?
Our products have...
Hello,
I have this code
if (NRF_SUCCESS!=nrf_drv_twi_tx(&m_twi,devAddr,®Addr,1,true))
return false;
unsigned int err_code = nrf_drv_twi_tx(&m_twi,devAddr,data...
Hi.
I'm using PCA10028, SDK10.0.0 S130.
I think "ble_app_hrs_rscs_relay" provides Central function and Peripheral function.
So it should be advertising right after running...
My program doesn't use SoftDevice.
In Reference Manual 3.0 page 52: "A HFCLKSTOP task will stop the HFCLK oscillator. However the HFCLKSTOP task can only be sent after...
Hi,
I've looked at the example codes provided by Martin in these two topics for communicating to a MPU6050 through TWI:
1- devzone.nordicsemi.com/.../ (uses SDK 9)
...
When we add a uuid will follow the steps below
err_code = sd_ble_uuid_vs_add(&nus_base_uuid, &p_nus->uuid_type);
// Add the service.
err_code = sd_ble_gatts_service_add...
