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!
nRF52. S132, SDK13.
I try to use ble_dfu_send_hex example.
what shoul I do first?
via nrf gostudio load SD. correct?
Which SD? from this folder (dfu_test_softdevice_s132...
I get the mesh SDK here: http://www.nordicsemi.com/eng/Products/Bluetooth-low-energy/nRF5-SDK-for-Mesh/(language)/eng-GB
But I don't know how to add pwm to the light_switch...
Hi all,
I use the nrfjprog 9.7.1 and unfortunately I was used the --rbp command on my nRF52832 and now it's impossible to execute --recover command.
The nrfjprog log shows...
Hi,i have some problems when develop with experimental_ble_app_buttonless_dfu project in sdk12.3 on IDE embedded studio (MAC OS).
I follow this link text to develop.when...
Hello,
Some problems I meet when I try to use spi manager in ble_template example to read "who_am_i" register of LIS2DH12. The environment is set as below:
nRF52832...
Hi,
I'm using SDK13.0.0 and softdevice S132 v.4.0.2.
I sometimes get NRF_ERROR_INVALID_STATE from sd_xxx() in the function registered to ble_evt_dispatch() when connection...
Hello,
I would like to establish communication between my pca10040 and my cellular modem.
Currently I am using ble_app_uart on the peripheral example and I can put messages...
There is the board mark on the chip like n51822CEAAD01350A0, where DO is Build code, 1350 is tracking code(YYMM), A0 is lot code.
My question is how can I get those codes...
I have a thread using a Timer and PPI to trigger SAADC sampling at 100hz. Currently I have an app_timer also running at 100hz to sample the results of the SAADC (and its time...
Hi guys,
I notice that the bytes array of UUID is reversed after registerd.
For example, I define the UUID marco as follows and registe it at ble_nus_init().
#define...
I am trying to use ESB and BLE concurrently on NRF51822 SDK v11 SD130..
The BLE part is working fine but the ESB part keep causing error randomly.
I put a break-point in...
when i use C:\Users\Administrator\Desktop\nRF5_sdk14.0.0_ble_central_beacon\examples\ble_central\ble_app_multilink_central for this instance ,I debug the discover moudle callback...
The question I mentioned here
When using ble_gatts_hvx to send data, only send data pointer and length to softdevice, and softdevice did not copy these data to the softdevice...
i used pca10040_debug of bootloader_secure of nRF5_SDK_14.1.0_1dda907.
i created the key by myself.
Bootloader and zip file used the same key.
My device is in DfuTarg...
I'm using an NRF51 w/ S130 operated directly from a coin cell battery. I use the ADC with a voltage divider to successfully measure analog voltages. One of the challenges...
