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,
very simple question:
each time i click on the link from the following page, I get an ACCESS DENIED error
infocenter.nordicsemi.com/index.jsp
I know that...
I made some changes in mesh light_switch_client example code and tried to build it in SES, it passed compiling, but stucked at linking:
Building ‘light_switch_client_nrf52832_xxAA_s132_6...
hi..
i merged the two programs twi sensor and uart ... successfully complied
but while debugging i am getting this error
while (m_xfer_done == false)
lm75_mode();...
Hello all,
I have a question about the SAADC of nRF52832.
Now I use the SAADC to measure the some external sensor voltage and the internal VDD voltage.
The sensor connection...
Hello, Excuse me! I used the LFRC,the calibration interval of which is 8s, in my application on NRF52832. In order to measure the power consumption,I want to know the duartion...
Hi,
As well know, nRF52832 can use "16Mhz base-clock to output PWM signal, and it is very simple to create 4Mhz, 2Mhz, 1MHz signal output,
But, If I want to output a...
I'm trying to get a stripped down, simple LED blinking sample to work (like blinky) when building with GCC however main() is never called. I'm guessing I'm either using the...
I'm trying to take a project we had working with only an application, no softdevice or bootloader, and add a bootloader and softdevice, with the application still not requiring...
I am working on nrf5_SDK_for_Mesh_v2.2.0 with nRF5_SDK_15.0.0 and softdevice 6.0.0. I run code on PCA10040 dev boards. I am trying use a timer to send onoff message from a...
Hi Nordic,
Does FDS affect PPI ADC acquisition when writing data? The test found that once the FDS is written to the data, the ADC data returned by the PPI ADC is fixed...
Hello Nordic experts,
I am working with nRF5_SDK_15.2.0_9412b96 SDK.
In example nRF5_SDK_15.2.0_9412b96/examples/ble_peripheral/ble_app_hrs_freertos/main.c I have at line...
Hi all,
The setup that I am aiming for has a number of nodes, which will send the IMU data to a central base station. The communication is achieved using a bunch of nRF24L01...
I keep getting stuck in the TIMER1_IRQHandler function.
When I debug the code, I get to line 20 (exiting interrupt function scope) and then the assembly code hits a nop...
Hello!
I have developed a BLE HID (HOGP) device in Nordic SDK 15.0.0 starting from an example project: ble_app_hids_keyboard .
The HID device that I have developed however...
We have a setup where we want to measure the current consumption of a battery-powered device:
The batteries are soldered to the device, and cannot be removed.
We can...
