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...
While testing and debugging our current state of development, sometimes our devices go totally offline (thread visible via mqtt-sn last will, no ble advertising).
I found...
Hi,
Just to share my though here.
I think it is better way to decouple the BLE and application with dual core design.
It help to get rid of application latency due to...
Hello Everyone,
We have 2 devices. 1st device is flashed with the Eddystone example & sending TLM info. The 2nd device is flashed with a modified version of the ble_app_hrs_c...
Hi.
So I'm trying to configure my SW to use two uarts (as I've understood that uarte and uart are separate modules that can be used at the same time).
As the app_uart...
Dear nordic,
I implemented a uart in BLE application its works fine.
I need to reduce current for that i enable and disable uart but when i call function disabled or enabled...
hi team,
real quick; The accuracy internal reference (0.6V) used in the SAADC is specified in COMP section of the data manual as +/-3%. The gain error in the SAADC is...
Hi,
I was just trying to build the light_switch_provisioner_nrf52840 code using Segger Embedded Studio. However, I've got a error build/light_switch_provisioner_nrf52840_xxAA_s140_6...
What is the function of db_discovery_init (); , I am migrating a code from SDK 8 to SDK 14.2 and I can not find that function, I do not know what library it contains or how...
Hi Nordic.
I am currently working on nRF52810 chip and the main power source is lipo battery. The battery is charged via USB could you recommend an efficient power management...
Hi,
I am currently migrating my controller from nRF51 to nRF52832 . I am facing an issue where in when I try to do an TWI communication with MPU9250 on nRF52 the code gets...
Hey
all process of burning work great without use of reset pin.
question is do we need to change it and wire pin to jtag connector?
what is the added value of the pin...
Hi All,
I have been using Keil but have decided to test "Seggers Embedded Studio for ARM" to develop firmware for the NRF51822. After following this tutorial i have been...
Hi,
We were working on a board that communicates with another board from a customer. It seems that the customer's board has voltage spikes sometime (it has 110 VAC signals...
We create general purpose device based on nrf52840 chip and need to provide different ways of dfu: buttonless, usb, uart. Is there any examples, recommendations how to do...
