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...
I want to generate 2 fast PWM waves with 25% duty cycles from nRF51822. They have same frequency of 4MHz but there is half a cycle delay between them. I checked the nrf_pwm...
Hi,
I am trying to get the NRF8001 rev. C chip working with a Tiva Lauchpad (TM4C123GXL) board. I modified the original Arduino SDK for use with Energia. I am using the...
Hello,
i want to write a global unsigned long variable in RAM after programming the device. The Use-Case is to set the clock value to the actual time. So the new unsigned...
I use BLE mesh github.com/.../nRF51-ble-bcast-mesh
but when I use the master control to write values to update the values of services, the following error occurs: "global...
Hi. All.
I am in the process of update SDK 9.0 from 5.2.
Meanwhile, SPI couldn't read from external flash's data.
Unusually SPI works well before infinite loop, I tested...
Hi there is a problem in github.com/.../nrf51-UART-examples
any one can help?
I put empty loop in main, and comment off all ble related int. and I process uart_evt by...
I want to use the nRF51-DK board as a programmer for my target. As I understand it, this can be done with the signals on P19. However, there is one signal, EXT_RESET, that...
github.com/.../nrf51-UART-examples
Hey any I was trying to test the example, the one with BLE
I test
APP BLE sending --------shows on PC UART software
However, I can...
Hi,
I would like to ask if someone has experience using the AES. I n eed to be absolutely sure that the user SW can use the AES HW block for own custom usage. If yes, Are...
I'm using SDK's interface for AES ECB block, but getting a hard fault when ECBDATAPTR is redirected at ecb_data in the initialisation function:
static uint8_t ecb_data...
I have built the dfu_dual_bank_ble_s110_pca10028 project and attempted to load the ble_app_hrs_s110with_dfu_pca10028 application. I did find that if the use the S130 softdevice...
Hello,
I have a nrf51822 chip using s110 SD. I am trying to read a serie of 14 bytes from UART. If the device is connected to a phone with BLE I receive the correct values...
When my nRF51 DK is only a board without any software.How can I make it work and support for mbed?
If I have to flash the SoftDevice, the bootloader by using nRFgo Studio...
