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...
For the last few months, I've been building code and testing it on an nRF52840 PDK. Our production hardware, however, will use the nRF52832, and so I need to compile my code...
I wish to design a Laird BL652 Bluetooth with an NFC port. Unfortunately I have not been able to discover the coil inductance. They use a Nordic nRF52832 chipset.
My hope...
Hello.
I have some questions. Is it possible stabile work of android device , that has bluetooth 4.0 , with nordic device on base softdevice s132 v 5.0 ? What should i...
We're thinking of using the 52840 to capture and stream 4 vital signs per patient to a nurse's monitoring station. BLE/MESH would both work. Is there an off-the-shelf, desktop...
Hi all,
I am currently building an app that does HTTP requests to Strava ( strava.github.io/.../).
Before going deeper into the SDK, I would like to know if it will...
I have few questions that weren't addressed either in the infocenter or in the devzone:
In which way app_timer uses CC registers? Each running timer use one of these...
I want to transfer the code from nrf51822 dk board to a beacon kit, after connecting the beacon kit to the dk board, then I change PCA10026 to PCA20006 on the C/C++ define...
i was trying to send acceleromter values of mpu9250 to pwm pins. for this i have merge to different examples i.e. nRF-mpu-simple and pwm library example. but it showing error...
Hi,
I'm a beginner of BLE and I did everything from the three BLE tutorials, that uses sdk 11. However when I try to do it in sdk 12.3 it doesn't work, because there are...
Hello,
I am using ble_app_uart code. My first goal is to execute a function when board connects with an android device. Another goal is to disconnect board from an android...
When reading about access_opcode_t struct on its infocenter page it stumbled upon this table i don't understand.
access_opcode_t is defined as:
Data Fields
-------...
I'm employing 51822AA.
I need to debug firmware for this chip line by line. Like environment of ARM9 with Lauterbach TRACE32 through JTAG.
Is line debugging possible...
From application point of view, when should I use UICR and when should I use Flash storage? I have studied the documentation and the functionality seems very similar. The...
Hi everyone,
I trying to make a flash jump on Nrf51822 in my project. there are 2 programs(program A and program B) below. i am working on to make program A jump to program...
