To be able to upgrade FW through UART, a bootloader for nrf51822 is required in my project. I have tried out the example bootloader in SDK. But this example is using softdevice...
I followed the forum posts and nan-29 to get eclipse 4.3.2 to successfully connect to JLinkGDBServer via a Segger J-Link EDU on Ubuntu Linux.
I can start the GDB server...
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...
As explained by electronut in his Blog and Lijun here , it is possible to program an External nRF51822 board using the SWD interface of the nRF51-DK.
But what about a custom...
I have a project, and nRF52832 it 's good chip for me, because it has NFC/ bluetooth communication.
I would like to know if nRF52832 can pilot epaper display. nRF52832 does...
Hi,all. i face a problem. the office DFU flowchart is device reset--->bootloader --->upload firmware to device ---->device reset.i want to implement as follow: upload firmware...
Dear all
We did nordic beacon board in that we not able to flash the device
We are checked core voltage 1.2V and 1.7V are coming .But i want to confirm external CLOCK will...
Hi,
I want to change the interval time of 51822 dongle with the instruction here devzone.nordicsemi.com/.../
The default value is 100ms as following
#define NON_CONNECTABLE_ADV_INTERVAL...
Hey guys,
I’m working on an nRF51822 design where I’d like to check the value of a GPIO at Power-ON, then either shutdown, OR start the BLE stack and do BLE stuff. I really...
when compiling " ble_app_proximity " exampled by Nordic, it indicates errors:
" D:\Program Files\MDK5\ARM\PACK\NordicSemiconductor\nRF_Drivers\3.0.0\gpiote\nrf_drv_gpiote...
Hi:
in ble_app_proximity(SDK5.2) ,i use lightblue to write data to ble,and i set a breakpoint in "ble_evt_dispatch".but i found breakpoint can't work when i send data to...
My product have to pass SRRC certification. The certification lab need 3 prototype. Their bt RF frequency must work at 2402MHz, 2441MHz and 2480MHz separately.
How can I...
Hi ,
I am unable to write to discover all services and write to a characteristic too.
On discovering services:
Discovering primary services
Received service discovery...
One of our computing-intensive algorithm takes actually ca 1.9s to finish. And it will be run periodically. Is there a way to minimize the power consumption of CPU processing...
class BatteryService {
public:
/**
* @param[ref] _ble
* BLE object for the underlying controller.
* @param[in] level
* 8bit batterly level. Usually used to represent...
I am looking through the following mBed development platforms. I am looking to integrate some mbed code into a production design. I am looking at which platform to export...
Hello Folks,
I want to send an array of two bytes and read six bytes back . Even though I am using bellow function but the Oscilloscope shows only 4 bytes of clock cycles...
Hi,
I'm using the nrf52 preview development kit. I have two boards. I flashed one with a ble_central example and the other with a ble_peripheral example using the nrf52 sdk...
