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...
Hello, we have an application with BLE. We've prepared secure bootloader with Serial Transport for performing DFU. Now we need to add necessary changes in application to support...
Hi everyone,
I want instead of MAC address to advertise my device using its 64bit unique ID. What I am considering, is to use the p_data array for that purpose and more...
Hi, I see an interesting situation.
I got flash corruption with values 0xff after random power cycling and it's happened only if I have flashed the bootloader
soft device:s132
sdk:15.3.0
I implemented the following, but the event does not occur even if the voltage is V2.8 or less.
Do you know the reason?
===
NRF_SDH_SOC_OBSERVER...
The nRF5 SDK's throughput sample (ble_app_throughput) provided very convenient shell commands to configure key parameters affecting throughput in a connection, such as ATT...
Hello,
in my project I have a custom board with a nRF52832 chip, which reads 4 channels with a sample rate of 1kHz (1ms). The SAADC readings get transmitted to a nRF52840DK...
soft device:s132 sdk:15.3.0 board:nRF52832 board (taiyo yuden EYSHCNZWZ)
Unable to receive event 'NRF_EVT_POWER_FAILURE_WARNING' I implemented the following, but the event...
Hello
Using the timer, I am making code that turns on LED1 to 3 sequentially. I thought it was going to be very simple, but it's not going as well as I thought.
I'm making...
Hi, I have very STRANG issues. I am adding custom Characteristics to custom Services. I have added 10 custom Characteristics with the same config 8 of them are working perfectly...
Hi,
I am on ncs master branch, when i build and load the Serial LTE Modem(SLM) application the application struck at mcuboot
The only additional configuration option i...
I am using nrf52840 board. I hvae interfaced a gsm module(quectel m66).The problem is my device gets an APP_UART_FIFO_ERROR after every few sms commands.The maximum data i...
Hello everyone!
I have an issue about upgrading firmware over Bluetooth LE with a mandatory pairing of devices. I want only paired devices to have the ability to upgrade...
hello,
In the nrf51822 sdk 5.1 I can see a routine named ble_app_ibeacon.
I find a parameter define as below,the data is added to the advertising data.
#define APP_MEASURED_RSSI...
Hello,
Our team has narrowed down a particularly interesting issue with the boot sequence / initialization of our BMD-341 chip, which itself runs the nRF52840 SoC. For context...
