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 am supplying my nrf52840 with5V on VBUS. I know that this does not actually provide the board with power, only the USB interface.
Based on the documentation, I understand...
Hi everyone,
I have connected a potentiometer to a GPIO pin (AIN2) and would like to show the varying values in the battery service.
I was wondering if there's any way...
environment:
SDK14.2 Project: ble_app_uart
I am sure that the problem occurs in uart_module.
Uart use the app_uart_put to send the first byte successfully, then it will...
We have already developed a wireless sensor application based on the ESB protocol.
Now we want to increase the range by adding an nRF21540.
We started by testing the sample...
Hi,
Is there a possibility of race condition when writing and reading using nrf_fstorage_write and nrf_fstorage_read?
I have a very strange bug, when writing to an address...
I am using VScode's extension for nRF connect. I have been using it to flash program with the 52DK and 9160DK previously. Now under the connected devices tab nothing shows...
Hello,
I am developing a system with the nRF52832 and SPI peripherals. I have been trying unsuccessfully for a while to resolve a communication issue with one of the devices...
Hi,
I'm using the GPIO mode of CAF leds module to control led.
LED_EFFECT_LED_BLINK or LED_EFFECT_LED_BLINK2 macro can be used to set the effects of led. But the loop_forever...
I encountered problems in developing nrf5340 with nck v1.5.0.
I use nrf_rpc_tr_init(rpc_receive_handler) to initialize an RPC and IRQ_DIRECT_CONNECT(I2S0_IRQn, 0, custom_i2s_irq_handler...
The solution seems to be built for a Production rollout for organizations with resources, but not so much for devs on a tight budget.
The actual bridge build is quite extensive...
Hello,
I'm using nRF52840 and nRF Connect. I've customized hello_world sample from Zephyr to also work with mcumgr and receive and respond to SMP commands such as "echo...
Hi,
I have been using an UART connection for serial communication but it stops working when I enable the Bluetooth module and initialize it. The error I receive is the same...
Hello, in an effort to downsize the EC2 instance from t3.small to t2.micro (nrfcloud-mqtt-bridge/MqttBridgeCluster/DefaultAutoScalingGroup), the bridge instance is detached...
I have adapted and incorporated the NCS OTA DFU sample into my project. Initially, FOTA updates have been working. Now, after pushing an update, the image is stuck pending...
Hi,
We are making software for our custom board based on nRF52833 and nRF5 SDK 17.0.2. We use app_uart for our serial communication in active mode and in sleep mode we disable...