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...
Hi Nordic,
I am now trying to use ANT acknowledged data type in reverse direction (from slave to master), and I have some questions:
When sometimes, ack signal...
Hey, I want to save stuff to flash under the same id and key which should be no problem as shown in the documentation. But when I save it and retrieve the data only the last...
hi,
i am newer here.
i am confused in nrf_gpio_pin_sense_t i.e. NOSENSE, HIGH_SENSE, LOW_SENSE.
where is use of this feature ?
why it is required instead gpio_input...
In my application many nodes (acting as centrals) will start simultaneously, as they have common power supply. I am using s132 SoftDevice (4.0). Is the frequency hoping sequence...
Hi experts,
Can we add capacitor to the swdio pin to improve ESD capacity?
We have make some sample that add 1uF capacitor to the swdio, indeed have improved the ESD capacity...
hello there i want to use c++ library in nrf51dk project. i am using sdk12.
i change main.c to main.cpp
but i am getting error. uart_original.rar
i have uploaded code...
We are planning to use two modules at the same time one for esb and one for standard btle, because the esb is time critical and timeslot api seems to be to low priority. Do...
Hi,
I am using NRF52 DK board. I use nrfjprog under windows to flash controller. But i want to flash under ubuntu. I searched but i found one .rar file.i extracted but there...
This is probably a sign that I should upgrade to nRF52 (with a built-in FPU) but, in the meantime, does anybody have an example of the libfixmath library integrated with an...
Hi everyone,
i have J TAG V8 and when i am using this with keil software and try to debugging then its showing-
"The connected emulator can not be used with this software...
I found in documentation that the time to write to flash is between 67.5 and 338 µs.
What conditions influence this time?
-How to avoid long writing times?
I have four wearable devices.
Each of them have 50HZ sample rate, and data length is 20Byte.
I don't want to lost any data, so I want to use indication instead of notification...
