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 dear All!
We going to prepare final PCB Layout for nRF52840 MCU.
Previously, we used nRF52840 -AA , then -BB (pinouts changed!),
The question is about release / next...
Using NRF2401+, I have two units running side by side on the bench.
With Auto-Ack turned OFF I can successfully read the RPD register (bit 0) and get the expected readings...
I have a small problem with Bootloader + application in our custom board.
If I do the DFU update,application starts at first time but if i do a power reset application doesn...
Hello,
Some time ago I bought an nRF51822 evaluation kit to start developing with this chip. Now I have a project that needs a small pcb like the beakon you show here www...
Hello,
I am using the following code to set time in my code, but when trying to set 2100 year or 2040 more year with nrf_cal_set_time function,
it is failed, it shows...
Is it possible to send an SMBus quick write and quick read using the TWI hardware?
The sequence is:
<START><ADDRESS><R/W><ACK><STOP>
I can send the address, but...
Hello,
if I send a byte over uart to an device (e.g. gps -logger), the same byte will printed to the terminal (e.g. Putty or Termite).
If I get a byte from the micro-controller...
I am confused from reading the nRF52832 Product Specification on how to clear the GPIOTE port event (EVENTS_PORT) register?
On Section 21.2 (Port event) on page 158, it...
I am experiencing a difference in current between the example program during advertising between a IAR compilation and a GNU compilation.
The differences appear to be significant...
Hi,
Can the Nordic SoftDevices be consumed by a BareMetal ARM GCC compiled application?
Which compiler/linker flags are needed for the application to be able to link...
Hi
I am working on a firmware which can be used in serveral custom boards. While it works perfect in old sdk, I met the following problem when migrating from Sdk 12.2 to...
Hi,
I have tho following configuration: SDK 10, S110 and I'm using Segger Embedded Studio, single banker dfu.
I am able to program DFU and buttonless DFU; However, when...
Hi all,
I am using PCA10040 with nRF5_SDK_13.0.0 and using the ble_perpheral -> ble_app_uart example.
I am trying to stream data from UART to an android phone and the...
Hello,
I've been using the new power profile kit and I seem to be getting only 3 volts output as opposed to the previous versions where I was getting about 3.6 volts. How...
