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...
Hello,
I have a pca10028 and I am wondering if I can use it also to flash nrf52 boards.
I quickly tried with rknrfgo on mac to wipe a custom board based on nRF52832 and...
Hello.
I decided to use an external solution for RTC.
Sometimes the RTC chip offers an buffered 32.768KHz output.
Can I use this output to supply the 32.768KHz to the nRF52832...
I have set up raspberry pi 3 as a border router and programmed the the nrf51422 using the iot_ipv6_coap_server_pca10028 and could successfully switch on and off led3 and led4...
Hi all,
I am trying to count the positive edges of a 3.5MHz signal with GPIOTE, PPI and the TIMER1. Unfortunately i can only measure to frequencies up to a little more...
Hai
i am using mbed to program my nrf5188. now i am using securityManager to implement a bonding between central and peripheral. now i need to know when a device is connected...
Hi,
In my code, I have not started the HF clock. I call the ble_stack_init where "SOFTDEVICE_HANDLER_INIT(NRF_CLOCK_LFCLKSRC_XTAL_20_PPM, NULL);" is called. Which HF clock...
Hi, all.
I tested ble_app_uart in example directory by PCA10040 board.
The ble_app_uart includes "printf("\r\nUART Start!\r\n");" and "UART Start!" cames out on the putty...
I have a scenario where I have multiple peripherals (nRF52) and multiple centrals (cell phone).
The user is going to use only one central with only one peripheral together...
Hello
In case a connection is disconnected locally by calling sd_ble_gap_disconnect(), no BLE_GAP_EVT_DISCONNECTED is fired even though the sd_ble_gap_disconnect() function...
Hello, I'm trying to optimize power on HID Keyboard app.
This post was helpfull but yet some questions remains.
If I use several services, and want central to be abble...
After S110 7.1 ble_stack_init(), any read/write to temperature register cause a HardFault.
Some sentences like:
nrf_temp_init();
NRF_TEMP->TASKS_START = 1;
...
Hi --
I am using the ble_peripheral/ble_app_hrs example project. And if I try to update the vs_uuid_count param to 2. It proceeds to fail the softdevice_enable with error...
Hello,
I'm currently looking into the secure bootloader from the 12.2.0 SDK, and wondering if there is some example code regarding implementing a uart transport?
I use the software S110 v8.00,and the NRF51822QFAA chip.
now ,I need add DFU Service support to an application.
I find the ble_peripheral\ble_app_hrs\pca10028\s110_with_dfu...
