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 stuck on SOFTDEVICE_HANDLER_INIT in example code on nRF DK PCA100028 within debug.
It is example code from SDK 7.1.
How Can I solve this?
Why Nordic's SDK...
Hello,
I am developing an an system and I am at the stage of optimizing for power.
I using NRF6707 ( Very helpful !!) to measure current.
I cut SB9 of NRF52 DK and have...
Hi,
Can I try to discovery services for the next connections while it is performing for the other connection?
I use "ble db discover" manager.
And I cant find this...
I'm using nRF52DK and SDK12.2.0.
Trying to change MTU size.
When I modified app_nrf_uart example as below
#define NRF_BLE_MAX_MTU_SIZE 103
Then infinite reboot...
I am working on a project and have successfully implemented single channel PWM to dim leds (using a transistor FET).
The pwm init code is below:
uint32_t err_code;
nrf_drv_pwm_config_t...
image description (http://)when i try to flash the led binky programme to nRF51822 Ek. i am getting device error and LED also glowing continuously.
1.this device error was...
So I was thinking of having the following:
nRF24L01+
to balun (e.g., Johanson 2450BM14A0002 or Anaren BD2425NnRF)
to PA/LNA RFX2401C
to PCB antenna
If...
Hi all,
I want to clarify are there any deference between "connection_id" and "conn_handle" ?
I use a multilink central application with 8 possible peripherals devices...
Hello,
I have some difficulties to make an ant acknoledgement with my nrf51422 (s210), and i would be grateful if you could help me with it. (SDK used 12.2)
I have 2...
Please give me info about configuring a timer at given timeout. For eg,. if we want to blink LED for 30 seconds, how to configure them using timer events.
What is the optimum reset strategy for Debugging the nRF52832 with a Segger J-Link Plus?
(Setting of Project_Options/Category:J-Link_J-Trace/Reset)
nRF shall not...
Hi,
I am using SD 120 Ver 2.1.0 and SDK 8. I am getting disconnection with reason 0x3E sometimes. After disconnection even master is scanning, It wont get connected with...