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,
I have a working project where I use PWM driver with LEDs on the development board. I make use of the d52_starterkit.h where I have the following definitions:
#define...
Hi,
On a system reset, we want a mechanism to stay in bootloader for a short period before jumping in application. This way, if something is wrong in application that prevent...
Hi,
I am using ESB library for nRF52 microcontroller. At receiver i want to measure RSSI value of a packet. I got RRSI from nrf_esb_payload_t structure.
I am printing...
Hi,I have ibeacon (nRF51822) radioland-china.en.alibaba.com/.../long_range_300m_ibeacon_programable_nrf52822_beacons_bluetooth_4_0_tag_chip.html . I want to update the firmware...
Hi,
In my project i would like to save 100 bytes of information in RAM before going to System-off sleep mode.I have tested the example project given in sdk11 works okay.Have...
I am trying to read the battery level on a custom NRF52 board and I am getting a value that is around half of real voltage.
The same code works fine on NRF52 DK ( I was expecting...
I am looking at this example: github.com/.../main.c
In ble_evt_dispatch (line 315), this function forwards an BLE event to all of the modules. By looking at ble_evt_t,...
I am trying to build a BLE central application on the mbed compiler (target BLE Nano).
I have chosen the ble_app_uart_c example from the nRF5 SDK as a starting point. My...
Hi Support Team,
one error come out when use nrf connect, just as attached picture shows,
please help to check what cause this error,
no error come out on phone.
...
In reference to this issue in the Android DFU library...
github.com/.../33
... can someone from Nordic please explain how DFU OTA using the secure format on a device...
Hi,
I working on nRF52 series development boards communication. I am using ESB library for data transfer. I am able to transfer the data between two microcontrollers. Now...
My device is connected with GSM module, when GSM module communication fail, I need to save the error message to flash. In application level, pstorage_store or pstorage_update...
Hi,
I use fstorage fun in nRF5_SDK_12.1.0_0d23e2a.
and the same code can run SDK11 but It seems different now.
So how to use fstorage fun in SDK12 and I list the different...
I was looking for something like a checklist of what to do when developing on a custom board but I couldn't find it.
I am working with Keil 5.15.
I achieved to develop...
