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,
I am trying to add an extra service like "experimental_ble_app_blinky" into "ble_app_hids_keyboard" example code. "ble_app_hids_keyboard" example code has 3 servcies...
Hello,
I'm new to the Nordic SDK and I would like to ask you for help with implementation of PORT events for revision < 3 in "low power" mode instead of "high power" mode...
i am using uart of nrf52832. the SDK is nRF5_SDK_12.3.0_d7731ad. the uart is app_uart .when i was testing the uart sending and receing .i find that the uart is stoping where...
Hello!
We are performing certification testing for our product. We have nRF52832 chip on the board. We used "radio test" example to perform the test and almost all worked...
I'm migrating from sdk13 to sdk14 with work app.
Can't solve one weird problem. When my app start first time I initialize some data with saving by fds library to flash. There...
Hi
I get the following error when i compiled the ssd1306 library from link text to my nrf51DK..
error is: ._build\nrf51422_xxac.axf: Error: L6200E: Symbol app_error_handler...
In the nRF52 datasheets there is a statement:
"The 64 MHz crystal oscillator (HFXO) is controlled by a 32 MHz external crystal"
Is the crystal somehow oscillating at 2nd...
I am trying to compile the blinky example in the SDK 14.
I am getting this error:
makefile:111: ../../../../../../components/toolchain/gcc/Makefile.common: No such file...
I need an application that always advertise the beacon information, such as RSSI and Major and Minor value. At the same time I would like to transmit HID keyboard code. Is...
Hi
I have an application where I cannot use the FIFO buffers (HW or SW). Therefore I need an interrupt for each received byte. If I try to use the uart driver (nrf_drv_uart...
I'm trying to program my nrf52832 with an ST-LINK /V2. I can't get both the softdevice and my app on the chip.
Flashing each one seperately works fine but then when I flash...
Hello there,
I'm trying to flash my custom nrf52832 pcbs(untill I get my DKs in the tech tour with a reconfigured stm32 disco board's SWD port with keil uVision using the...
Hello.
This is my code to "wait until micro sd card is pluged".
while(1)
{
disk_state =disk_initialize(0);
if(disk_state==RES_OK)
{
NRF_LOG_INFO("Initialize...
Hello community,
I have a central device which I implemeted, it is running with SD 132 v 4 ("NRF_SD_BLE_API_VERSION=4")
) the chip is a NRF52832, I have some movement...
I have no idea how i can install this and use it.
I would like if any one can explain in detail.
Can you get picture how I can do it?
I am using ble_app_hrs_nfc_pairing...