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...
We recently moved from SDK11 to SDK13. We run out of memory when adding custom services & chars to the S132 v4.0 softdevice. Increasing the app start address in the linker...
For the record I have been struggling with migrating a project from S110 @ nrf51422 to S140 @ nrf52840.
Quite by accident, I found this "nrf51_to_nrf52840.h", what does...
Hi , Everyone!
Now i have the board nrf52832 and i'm conducting my DFU.
My DFU is to update softdevice and application.
Here is detail about my problem:
softdevice...
Hi
From s140_nrf52840_5.0.0-3.alpha_migration-document, it is mentioned that the L2CAP API has been completely removed. Are there plans to re-expose the API? We have exposed...
I'd like to clock the nRF52840 at the same frequency as my converters. Is there any problem with using a somewhat different frequency than the 64 MHz (or 32mhZ) crystal? If...
Hello guys,
i randomly get twi error busy 17.
i have #define TWI_DEFAULT_CONFIG_IRQ_PRIORITY 7 in sdk_config.h and .interrupt_priority = APP_IRQ_PRIORITY_LOW in init function...
My setup is based on a jlink clone and yunjia module nrf51822 and nRF51_SDK_10.0.0_dc26b5e. I am following this tutorial successfully till the section Enable auto discovery...
Hi,
The following function/macro is missing in SDK 12.2.0 and 12.3.0 but existed in 12.1.0:
nrf_drv_saadc_gpio_to_ain
I am re-compiling "thingy" SDK and it happens...
I'm looking for an answer as to how to know the source files that I need to mention in the Makefile if I'm writing my program from scratch. Are there some bare essentials...
Hello,
I am writing here because I am trying to change some concrete values from a .hex file in order to vary some BLE and other values. I need this because I need to generate...
Hello,
I downloaded the nRF Blinky app (for Android) here :
github.com/.../Android-nRF-Blinky
I'm looking to modfy the code to have an auto connection. For this, I...
As far as I can tell, the application is set to invalid (settings.bank_0 = BANK_INVALID_APP) after the application has been successfully deleted ( devzone.nordicsemi.com/...
im trying to use nrf_drv_timer_t with timer0 but I get identifier "TIMER0_INSTANCE_INDEX" is undefined error. TIMER0_INSTANCE_INDEX is defined in nrf_drv_config but this file...
Hello,
is the nRF51822 able to function as repeater or range-extender, repeating BLE signals from explicit two BLE devices (with known addresses)?
I know there are specific...
Hi,
we are developing a custom board based on an NRF51822 and for security reasons are using whitelisting.
So far this worked well with different iOS and Android devices...
