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 everyone,
I want to serial print three float values (x,y,z) from an IMU. I use the MACRO NRF_LOG_ERROR( "Float_Value: " NRF_LOG_FLOAT_MARKER "\r\n", NRF_LOG_FLOAT(value...
Race condition in starting the ADC following calibration. I am trying to start the ADC in the interrupt routine when the end calibration is reported, however I have unreliable...
Hello,
I have two brand new nRF52 DK eval boards version 2.0. On both boards, the reverse charging diode D8 is missing. That diode is required to power the board externally...
Just trying to build Nordic sample codes S110 with nRF51822.
Here is the error. These are hidden file. I guess some configuration is not correct but I'm not sure.
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SDK: 15.1 IDE: Keil Softdevice: S132 v6.0 Hello, I am using the ble_app_uart example as a starting point. My goal is to send 5 bytes every 5 seconds to another nRF52 Development...
Hi:
I'm supporting a nrf52832 project that is using SDK 11 with S132 Softdevice 2.0.0, and would like to get to the bottom of a lingering workaround that's been in place...
Hello,
I'm encountering a reccurent problem :
I'm using the peer manager, and I encounter a timer expiration that I do not understand (even if it is probably justified...
I hate to be a squeaky wheel on this but I've found some strange behavior when trying to use the SPI Manager to schedule a transfer where the .p_tx_data address is a constant...
Is this normal that the example ble_app_uart, usbd_ble_uart and usbd_ble_uart_freertos use init.srdata in advertising_init() when all the other examples use init.advdata ...
It seems that unlike nrf52840, the nrf52832 has only one UART instance. Is this correct? This affects one of our hardware and I wanted to confirm before having to deal with...
We are about to build a prototype for a 2022 product, which will need 4x UART. The nRF5340 is our favorite but we need the 3rd and 4rd UART fixed. Is there an ETA for this...
I have uploaded nordic thingy 91 with lte_ble_gateway program and modified it so that it can connect with 7 devices, however when i try to connect the 6th device I get bluetooth...
