I am working on the proj that needed 2 MCU and nrf51822 work as slave.
I would like to know any ref on how to firmware upgrade on board without external tool?
We're looking for a Nordic nRF51822 based low profile/small USB dongle that we can use for our iBeacon software.
It would need to come complete with casing and the ability...
Hi all,
i want to establish connection between two threads in cmsis-rtos, can i use
1) semaphore to do this?
2)message queue should be used or any other ipcs can be...
Hi,
I have two CPU in our product. (STM32F2 and Nordic nrf51422).
I use serialization function to link those two CPU(refer to ble_s110_serialization sample)
But I find...
Hi,
My behavior is as follows
Turn on my device(use 51422) and advertising(2 Service and 3 Characteristic)
Turn on my cell phone(Samsung Note3),scan my device...
Hello:
I used analog IIC write MPU6050. Again after power download programs, mpu6050 can run up there ACK response. But the debug will not run. Simulation IIC because no...
Hello!
How can I communicate with my nRF24L01+ and nRF51822 at the same time. I can set up same channel, CRC-mode and I don't use ESB. But what about address? How do I set...
Bit of an odd question but Im dealing with a rather wonky SPI peripheral and its got me trying to sort some interesting questions due to its strange data protocol. Im using...
We are using the Android nRF toolbox v2.4.0 and have successfully implemented the Template app. The app will reliably connect with our device and functions well. The only...
Hi,
I was wondering if the SPI configuration for the p_config->sck_pin is correct. It appears that the clock is configured as output with input connected. Wouldn't this...
I am searching for long time how to inspect the prints in my code inside Segger , I went over many messages in this forum and nothing comes easy to me with this Segger thing...
Using Segger , only the BLE template is advertising,All other BLE apps such as BLE_UART, will flash the leds very fast but will not show on any Apple device on the Bluetooth...
We have an ISR parsing incoming serial data from the UART. When a valid packet arrives, I'd like to be able to wake the core from whatever low-power state is entered when...
That is probably an old topic, but after doing some research I could figure it out: calling sd_app_evt_wait() on my nRF5832 + nRF5 v11.0.0 SDK + s132 causes my chip to reset...
Hi
I've some troubles with the ble disconnection of S110.
Always when I call the sd_ble_gap_disconnect function after successful connected, the error code 8 NRF_ERROR_INVALID_STATE...
As I can see, I flashed Zephyr to Carbon 96 board, I don't fully understand the process,
I mean, I see .bin and .elf files but i don't see boot.img file, how do i make a...
The nRF52832 datasheet refers to a transmission of multiple packets in Figure 37. I have attempted to load multiple packets to the radio FIFO using nrf_esb_write_payload(...
Hi All,
I have developed an application on the RedBear BLE Nano2, and am trying to port it accross to a custom nRF52 board.
The Hex that the Arduino IDE outputs does...
I have an application which requires protection from passive eavesdropping, but not man in the middle attacks. I want to enforce the use of diffie hellman key exchange.
...
Hello
i am using Nrf52840 with sdk 132 and version 12.2
i am using the Heart Rate example as template.now i am just testing.
Before making connection,i like to Advertise...
I have a sensor which has output in the range of 0-5V. I want to connect it to an nrf51822 GPIO pin and to be able to read the value via it's 10 bit ADC. Is there any guide...
