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...
I've recently tried add App Data (pstorage) to my Application. Thus I want to preserve this data over DFU Updates. To do this I updated my Bootloader to reserve App Data during...
Hi
I am using SDK11 with S130, NRF51822 that using ANCS and facing bonding problems after reach the max bonds.
Reference to nRF51-ble-peripheral-bond-handling example,
...
My application is doing kind of old communication with an old machine.
Communication line is bit banged by an GPIO. Baud rate is 0.5ms.
"Start bit" is still used to synchronized...
Hi,
I use nRF52832 with sdk 12.2.
and I running the ble_app_hrs_c example code on pca10040 evb.
I can scan many hr devices but polar h7 heart rate not.
I check Iphone...
Hi I use nRF52832 and move my project to SDK13.
I want to use debug mode in keil-c and try to find after ble_db_discovery_start function call why no csc_c_evt_handler_t call...
I'm working on an OTA firmware update process, using my own bootloader and application. To understand the process' limitations, I need to know to what extent one can update...
hello everyone：
how many timers can i open in nrf51822(QFAA) with SDK9.0? the APP_TIMER_MAX_TIMERS's max value
#define APP_TIMER_MAX_TIMERS 13 /**< Maximum number of...
Hello,
I am referring to this link
www.nordicsemi.com/.../3rd-Party-Bluetooth-low-energy-Modules
and I am referring to Xuntong PTR5518 11 15x15x2mm PCB China product...
I see BLE_GAP_EVT_SEC_PARAMS_REQUEST generated from SD. How to call this request for pairing state?
I can't find any peer manager in the project.
Explane, pls.
Following is a simple application that I have created. It has no softdevice and the configuration is very similar to blinky freeRTOS example.
Source code:
main.c
...
Hello ,
I'm working on custom board, I'm trying to disconnect from the Central (Andriod app) when the battery is below certain level and stop re-advertising.
Below is...
In s130 Soft device v2.0 document, it says it can have role with up to 8 Role concurrent with Central, Pheripheral, Advertiser, Observer.
I'm not sure i've understand all...
Hello. I'm using nRF52832, PCA10040, SDK13, S132 and "ble_app_uart" as reference.
When I connected board through by bluetooth, I couldn't see notification message which...
Hello,
According to the nRF Sniffer Guide 1.2, the sniffer is supported on a number of platforms (nRF51822/nRF51422 Evaluation Kits and others). All of them (as far as...
I am working on a project where my nrf51822 is on for long periods of time in lower power mode. Yesterday I made some updates to the code and the devices were working fine...
