why use 50ms and 400ms connection interval for testing the maximum data throughput(2M,247byte payload)?
Because 50ms can only send a pdu , and 400ms can send up to 8 pdu...
Hi,
I am using Keil IDE to develop nRF51822 project.
in main(), the command line
APP_SCHED_INIT(APP_SCHED_MAX_EVT_SIZE, APP_SCHED_QUEUE_SIZE);
has Error : L6218E...
Hello,
I'm new to the Nordic SDK and I would like to ask you for help with implementation of PORT events for revision < 3 in "low power" mode instead of "high power" mode...
Hi Nordic,
I've built a ble app with a custom protocol, but am struggling with storing bonds, when running under freeRtos.
What I see:
central app crashes (hardfault...
Hello All,
I am new to this forum, I have been using nRF51822 for a while, and its a great little BLE chip. I am usinga BLE keyboard to send a key to iphone and I captured...
I WANT COMMUNICATION BETWEEN A NRF51422 AND NRF528321 BOARDS, IN WHICH IN NRF51422 BOARD I WILL MEASURE PWM COUNT(IT IS PHERIPHERAL) AND SEND IT TO NRF528321 BOARD WHICH IS...
Hi,
I've been working on a way to detect and prevent replay attacks when beacons are used for sensor data. This is mostly used for home automation sensors, where I have BLE...
Hello, I've been trying to get the nrfx_i2s driver working with Zephyr, on the cpuapp core of the nRF5340. After configuring the driver, setting CONFIG_NRFX_I2S in prj.conf...
I've been successfully creating custom services, but there is one case where a device has a service UUID and it's 2 characteristics have completely different UUIDs (all 128...
Hi,
How do I set ncs v1.5 to save the last open project path?
ncs v1.3 has the last open road
ncs v1.5 does not have a project path that was last opened
Here's the...
Hello, I have a question. In the HID_keyboard routine, I have already bound two phones.
Now I want to cancel the binding, and the function was called by key interrupt pm_peers_delete...
Hi,
I am new to the zigbee development and currently going through the documents.
My end goal is to develop a application that measures the level of a tank using radar...
Hi
We are using an external 32MHz crystal to generate the internal 64MHz clock.
As described in several examples, we start the HFCLK with
NRF_CLOCK->TASKS_HFCLKSTART...
Hi,
I am using nRF52840 and SDK 17.0.2. I used to write data using nrf_fstorage_write() at some address of Flash and I want to read the same data using nrf_fstorage_read...
Hi Nordic,
We created a firmware based on the eddystone example in nRF5_SDK_17.0.0_9d13099,
I modified the macro APP_CONFIG_ADV_INTERVAL_MS_MAX in es_app_config.h from...
Hi,
After connect, we add services/characteristics, and call sd_ble_gatts_service_changed(),but it also return BLE_ERROR_GATTS_SYS_ATTR_MISSING. I have enable NRF_SDH_BLE_SERVICE_CHANGED...
I'm struggling to get my nRF52840 DK to appear in nRF Connect (3.6.1), but I have no issues with connecting the nRF52840 Dongle.
I have been using this hardware for a couple...
My aim is to use a nRF52832 for a Bluetooth peripheral device.
- I just started with a fresh SES V5.44 and downloaded the nRF SDK 17.0.2 - I imported the example "ble_app_hids_keyboard_pca10040_s112...
My product needs HMAC using sha256.
I looked at the \nRF5_SDK_17.0.0_9d13099\examples\crypto\nrf_crypto\hmac
It has been written for nrf52832. My product uses nrf52810...
After the call is initialized and started (nrf_drv_pdm_init nrf_drv_pdm_start), the callback is executed only once. It needs to be re-nrfx_pdm_buffer_set each time in the...