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...
Hello,
I would appreciate if you could help me solve what i am trying to do. I have nrf51DK board with nrf51422 on it, PCA10028, S130 and i want to use to scan for another...
Hello,
I am working on SDK 9.0 and softdevice 8.0 and the requirement for my application is the device has to advertise till it gets connected and even after disconnection...
Dear all,
I get a new nRF51-DK and I am trying to download an hex file into it.
I downloaded and installed nRFgo studio.
I connected my nRF51-DK to my...
Hi. I've gone through a lot of documentation and can't seem to find if this is documented by Nordic semi.. please answer if you know, or can point me to experiments/documentations...
I soldered 5 pieces of PCBA with nRF51822, but I got only one PCBA which can connect to J-LINK. I checked the bad four and found that SWDIO of nRF51822 on the four board is...
I'm having a weird hardfault and, I can't make sense of it.
Here's what I do know:
nrf sdk 9.0.0;
nrf51422 on a dk;
I have RTC1, SPI0, and TWI1 enabled (also a uart for...
Hello,
call of app_pwm_init() function forces logic 1 on PWM enabled pin after advertising timeout expires. Why? It causes my LED to turn completely on after advertising...
Hello,
In my code I would like to switch between BLE advertising and listening nearby devices (and save their RSSI) in the same code. After each advertising period, I would...
i have use nrf51822 and android app(nRFuart)
i was masure currunt through DSO but i think its not accurate...
i can't masure exect(high accurate) currunt consumption in...
I read through the following post and still couldn't get debug info out.
I have tried the settings there and from another post with no luck. I'm using putty on a win 8...
Hello everyone,
I am trying to enable notification on a characteristic based on the code example from nAN36.
Unfortunately the sd_ble_gatts_hvx() function returns:
...
I know that suggested debugger for nRF51xxx is J-Link or openOCD with CMSIS-DAP, but I would like to use BDI3000 debugger, which does support SWD interface and Cortex-M0 processors...
Hello,
I desperatly try to implement a bootloader with the s310 softdevice. When I received the data to be written (via BLE), I erase the flash:
std::uint32_t rc = NRF_ERROR_BUSY;...
Hi,
When will the user guide be available? I have the PCA10040 V0.9.0 2015.39 PCBA that I got from the Global Tour. I am using the nRF51 Development Kit User Guide v1.0...
I try to build example projects in 32k limit Keil uVision. I'm not able to build some of the projects (e.g. Heart Rate Service) because of the 32k limit for the compiler....