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 there,
I think that I am seeing the repercussions of errata item 136 in my application. I abruptly turn on/off power several times to my board, and every once in a while...
Hi,
On my bl653_dvk board, I am running the ADC example. It functions properly. I have a few questions about this:
1. How to determine which clock is being used by the...
Hi everyone,
I want to send large data with https protocol.
I edited the https_client sample split the data and looped send() for sending the large data.
But when...
I am working through the https_client example with the nRF9160 and I noticed that when Connection: close is not included, the connection doesn't close, but if I attempt to...
Hi,
I'm sending values over ble. On the client side I opened an serial monitor. Everything seems fine. The values are received in the right way.
But when I try to read...
Hi,
I have previously used the ESP8266 WiFi module and it has worked great. Since I have updated to the latest SDK, I am now seeing problems. I'm guessing something has...
I am currently working on enabling and transmitting/receiving data using TWIM on my nRF52810 development kit. The documentation states that in order to enable TWIM I need...
Hello,
I told my students to set up an SPI bus with several peripherals. We found nice development boards with a screen and a card reader sharing MISO,MOSI,CLK and one CS...
Device: nRF52840 Softdevice: 140 SDK: 17.1.0
I'm trying to develop a custom bootloader that will determine which of two images (A or B) to jump to. The memory map that I...
I noticed that if I set options = BT_LE_ADV_OPT_NONE in bt_le_adv_param I get a random address at each bootup and if I set it to BT_LE_ADV_OPT_USE_IDENTITY I get always the...
Hello,
I'm currently working with ISP2053 which is the nRF5340-based module.
The system, as the specific GPIO pin detects a low-to-high event, gets data from another...
Hello guys,
I'm trying to run uart example from https://github.com/andenore/NordicSnippets/blob/master/examples/uart/main.c extended by interrupts call after transmission...
Hi.
I cannot build a ble_app_uart Nordic example that I was able to build flawlessly three years ago and later. I wonder if anybody could give me a clue on what's going...
