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...
Figure 7 of the nRF24L01 data says ACK payloads must be loaded in advance to the automatic ACK transmission. I wish to make the ACK data packet dependent on what is received...
Hi：
I noticed, P0.18 P0.19 P0.21 P0.22 P0.23 P1.00，recommended as QSPI.
There is no way to raise the P0.22 pin using this code.
But my own board must use P0.22 as...
I'm been analyzing this code for a while now but can't see how this code actually triggers a switch into the Bootloader mode. There are no references to any resets or the...
Hello
I would like use at least 2PPI channels to control a GPIO.
If PPI CH0&CH1 both setup, then GPIO_CTL just go high.
If PPI CH0 remarked, then GPIO_CTL go low
How...
Hi, 1. What document can guide the macro definition of configuring the nrf9160 project? 2. How do you know that prj.conf has those macro definitions how to configure? 3. A...
Whose idea was it to make creating a new project from scratch so difficult (if not impossible)????
I have created numerous projects using the nRF5x, but have always used...
hello,
I am using SDK16 ble_app_gls example . I set static passkey with adding this code in ble_stack_init function.
When I write password "123456" I can connect on nrf...
Hi
This question is related to sd_ble_gap_keypress_notify() . According to Nordic softdevice S132 v3.0.0 API:-
"This function can only be used when an authentication...
Hi
I am currently working on calculating the AoA. I have 4 nRF52833 DKs and I am using three DKs as transmitters and one as the receiver and the receiver is connected to...
This page https://www.nordicsemi.com/Software-and-Tools/Development-Kits/nRF52840-DK/GetStarted says " If step 4) below fails, you need to re-program the factory example code...
How can I calculate max and average power of this chip? During use, I intend to be at 0dB TX and 1 Mbs data rate with a 3V supply. I am going to guess the max power draw will...
Hello everyone
I am using nRF52 DK PCA10040.
I try to generate puls by Timer 0.
The puls width is 400ns.
This goal was failed.
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I'm struggling to get buttonless DFU to work with FreeRTOS. I've gotten buttonless DFU sample to run on the hardware. I also have FreeRTOS running on the hardware. However...
Hello,
I need to remap ble bootloader because I want to use nrf52832_AB instead of nrf52832_AA found in dev kits.
I wish I could have this memory mapping in embedded flash...
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Calling this method sd_ble_gatts_characteristic_add(...) with a characteristic value...
