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,
Please forgive me if I am asking a stupid question.
I was editing S130 demo app and I included pstorage.c file to the project. while compiling it is showing error...
I have compiled my mbed program and hex file has been downloaded but I am unable to drag and drop my hex file to mbed USB drive. It is saying Not Ejected properly. I tried...
I am following app note nAN-29 "nRF51 Development with GCC and Eclipse Application Note v1.1". In the section "Flash download" there is mention of an executable called nrfjprog...
Hi
I use the PORT EVENT to produce multiple interrupts.But I have a question by these:
NRF_GPIO->PIN_CNF[BUTTON1] =
(GPIO_PIN_CNF_SENSE_Low << GPIO_PIN_CNF_SENSE_Pos...
Hi,
have some of you expierence with profiling on a nrf51422? I think what would be nessesary, is at least one high priority timer, to sample the program counter, some kind...
Hi,
I’ trying to save some user configuration data on the NRF51822 Flash using pstorage module.
Below is the code that I wrote, the code runs on the board with no error...
I have two boards based on nRF51822 parts:
Nordic dev kit PCA10005 Rev 2.2.0 2014.14, chip marked N51822-QFAAG0-1351AG
Custom board with Fujitsu MBH7BLZ02-109004...
I'm getting an error which says the identifier ble_temperature_t is undefined, and it is showing as an error in the keil (unkown type name). However when I click on the variable...
Hi everybody,
I just received the nRF51822 EK and as I was starting to set it up I ran into this. It took me a while to figure it out but when trying lo load the blinky...
Hello,
I have problems with project making since I started with KEIL uVision 5 (in uVision 4 I had no problems, but see no way to download uVision 4 any more).
I followed...
I am not seeing the nRF51822 as an option when I go to select a target device in Keil µVision.
From reading questions on here I understand that the nRF51 SDK should include...
Hello,
I'm new to the nRF51 modules and I just started with nRF51422 module.
I have Keil uVision v5.11.1.0 with MDK Pro v5.11.0.
I have installed nRF SDK - nrf51_sdk_v5_2_0_39364...
