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 trying to use the GPREGRET register to save some state across resets. It seems to work as documented, but I'm getting the following error after each write operation...
Hello all,
I am working on nrf52DK BLE_UART_APP and i would like to know where the recieved data?(sent from the smartphone app / terminal) will be stored in the controller...
hi all,
I have this problem:
After enable the indication i send for indication , with a snuffer ble i recieve them. But the master control panel lost the first?
...
i want to connect the bluetooth of device (nrf51822) to my android phones bluetooth without using master control pannel.i want general bluetooth connection. can you please...
Hi,
I'm using nRF5_SDK_13.0.0_04a0bfd on nRF52840.Basing on the ble_app_multilink_central example, I want to write some data to flash to save. So I use the fstorage. After...
Hello,
in SDK 11 I was using non blocking function to check if there is data to read from UART logger called: NRF_LOG_HAS_INPUT .
I can not find any function like that...
S140, nrf52840, as long as I call sd_radio_request before calling sd_ble_gap_addr_get, the program will crash and enter a default error handler, it's not the case if the sequence...
Hello.
I notice a problem with app_uart_flush function, which is calling app_fifo_flush function and in this we have a:
uint32_t app_fifo_flush(app_fifo_t * p_fifo)...
Is it possible to enter DFU / OTA from a DWT
i.e if the code crashes, and I can't trigger DFU mode by writing to a characteristic, can the WDT jump straight to the DFU...
I met this issue on some Android devices.
GATT connection is disconnected before before service discovery finished.
The issue is reporeted in following link.
github.com...
Hello, I'm using an android device to set cccd, it worked when I was running the project on nrf514xx @s110, it no longer does on nrf52840 S140, so now I wanna make sure the...
I have reformatted the code I had added earlier.
Following is the sequence of code
uart_debug_init();
gap_params_init();
services_init();
advertising_init();
conn_params_init...
NRF52832 S132 MPU6050 TWI
I want to finish the function:
When the ACC, GYRO data update, the INT pin to generate an interrupt, and then in the P026 pin configuration...
Hi,
I have the Nordic Thingy:52 (PCA20020 1.0.0 2017.19). It worked well until I downloaded new version of firmware 1.1.0 and updated Thingy. After that I didn't see advertising...
I want to use the UICR customer registers to store MAC/serialization information for my devices. It looks like the UICR customer section would be great, and the product spec...
