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...
The S120 Central after scanning, connecting, and issues a sd_ble_gap_encrypt() to secure the link. If the peripheral's bond (LTK) is corrupted or incorrect, the sniffer shows...
This: http://www2.keil.com/mdk5/editions/lite/
I guess the principal limitation is the 32K code size, but the full list is here: http://www.keil.com/demo/limits.asp
...
I have Stlink v2 programmer and I would like to use it to flash hex file into my nrf52832 I read a lot of threads about using tools like openocd but none was helpful, I think...
I'm attempting to build the ble_app_hids_keyboard example from sdk 14 using gcc and the compiler is throwing the error "No such file or directory", but the file is there and...
I have problem on SoftDevice V6.0.0(nrf52832) scan_start/stop. modified ble_app_blinky_c(ble_central) 1. app_timer add (20ms cyclic) 2. app_timer handler, run sd_ble_gap_scan_start...
Hi
The 'ble_app_multiperipheral_pca10056_s140' example for the nRF52840 has an 'LED' characteristic under which there is a "Nordic LED Button Service"
The value...
Hi,
I've defined:
#define NRF_SDH_BLE_GATT_MAX_MTU_SIZE 120 (in sdk_config.h)
I get "Insufficient RAM allocated for the SoftDevice" in nrf_sdh_ble_enable
nrf_sdh_ble_enable...
Hi everyone, I'm looking to buy nRF52840 SoC for my thesis but I'm surprised that none are yet available from Farnell, Mouser or Digikey ... I found few chips on Symmetry...
Dear Engineer,
We are working on 52840 usb dfu,program softdevice s140_6.0,
and usb secure bootloader,
evaluate board is pca10056,v0.9.0
Led1,led3 turn on once load...
I am very new to ARM controllers. All of my experience is with Atmel family, which I've been using for years.
I just got the nRF52 Development board and have loaded several...
Why do the version numbers have to be as follows for a merged hex file to be able to exit the dfu mode when flashed externally as a combined hex file (SD +BL + BL settings...
With the BT 5 extensions, is it now possible for BLE Peripherals to communicate with each other without a Central ?
In the envisaged application, one node would be the central...
Hello,
my problem is reproducable with this Setup:
nRF5-DK with ble_blinky_example (central)
nRF5-DK with ble_blinky_example (peripheral)
Press Button1 immediately...
Hi,
We are using nrf8240 SDK15 and need to convert soft image which is in hex format to binary format. Tried using 'arm-none-eabi-objcopy' for this. It converts 424kbytes...
Hello Nordic team,
I am developing a proprietary radio protocol and i am using aes ccm peripheral for encryption (i am a begginer). The packets seem to be correctly encrypted...
