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'm using SDK 15.0.0; nrf52840 DK; IAR(EWARM).
I want to add TWI(i2c) from example in SDK to my project.
But I facing with next errors:
Error[Li005]: no definition...
Hi dear engineers,
I have a strange TWI problem on my production protype which programmed based on the official twi example with softdevice s130_nrf51_2.0.1 and SDK 12.3...
Hi,
I'm trying to schedule few events within the shortest connection interval . Is it possible to shcedule 3 events, 2.5 ms long within 7.5 ms connection interval? Could...
Dear all,
I am using the nRF51822 custom developed board. Earlier it was working fine, but now when I try to connect the BLE with nRF ToolBox APP UART service, the APP...
Hi,
Have flashed an early sd_power_system_off first line in main() when measuring power-consumption...
Now the SWD access seems gone. Is there a trick to get it back in...
Hi, I'm working on a custom board with a nRF52840.
I want to use REG0 and REG1 as mentionned in Figure 13 of the datasheet : with VDDH, and both DCDC. My PCB is powered...
Hi there
I have a NRF52 Dk already and it had been setted as master.
The log might contain the specific advertisement channel power or how much packets has been sent...
Hello,
I want to send 6 bytes of data over BLE. I will set a timer for this purpose. When there is timer interrupt, the data will be send.
What I wanted to ask is that...
Greetings,
Trying to fast-track my set-up and use of the Nordic Semi devices and toolchain. My questions/comments are as follows:
1 - What is the best *free* option for...
Hi,
I am using ble_app_uart service in my application. I am trying to send files using teraterm tool. If I am sending .txt or .doc files there is no disconnection in the...
Hi,
I am using nrf52832, and measure the power consumption , I found that when I use application timer "after" nrf_sdh_disable_request(), the power consumption of system...
Hello,
i am working on a nRF52840-Preview-DK with SDK 15.
When sending data out on UARTE1 with function nrfx_uarte_tx(..) everything works as expected but only with data...
