I'm using Softedevice 6.0.0 and SDK 5.2. and Keil 4.7.
I Modified bootloader project so it compiles with both ble and hci transports. Currently I use button_0 and button_1...
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...
Hi
data sheet of the nRF52840 states that the QSPI port pins should be initialized to "high drive".
I've experimented a little bit because I have problems with a Macronix...
I have connected a BM680 sensor on a BL654 (NRF52840) via I2C. I have connected the power to the BME680 on a switchable power rail. I need to power this rail with a GPIO pin...
I am trying to create a test case for in house validation and would like to know how to do so.
Here is what I want to do:
I want to create a boot loader that checks...
Hello,
In nRF5_SDK_17/examples/dfu/secure_bootloader/main.c, the main program starts off with protecting a couple of flash areas:
But how can, after this, an OTA update...
I don’t know what all the XML syntax is, or what program processes the flash_placement.xml file, or what form the output is in, so I don’t know if I have to do exactly what...
Hello, nrf experts.
I have trouble with testing update over ble from main application. Using buttonless dfu example. But when I'm connecting to nrf dev kit, nrfConnect on...
Hello, I am trying to erase a page on the internal flash memory of the nRF52840. I am doing this as a BLE peripheral with 1 active connection. The problem I'm facing is that...
I am trying to determine the cause of iOS stopping to reconnect to my nRF peripheral in the background. I have seen posts from several years back that reconnecting too many...
Hi
I'm trying to add CMSIS DSP Software Library to my project.
After adding DSP function I'm getting linking error:
components/toolchain/cmsis/dsp/GCC/libarm_cortexM4lf_math...
Hi all,
I have a problem with 802.15.4 association in beaconned PAN. Basically I have two devices, PAN coordinator and an FFD. FFD is able to find the coordinator (throught...
Hi. I am working on the nRF52840 DK. Currently, I am trying to implement a DFU feature for my application.
The application has the bonding feature. Therefore, I tried testing...
Hi.
I purchased a nordic thingy 91 in Singapore. But when i try to update firmware through programmer, it is not detecting the module. Also i am not able to activate the...
Hi,
I'm using a custom board with nrf52840 and sdk 15.1.0.
I have altered the ble central and peripheral example(ble_app_hrs_rscs_relay) to support nus central and peripheral...
