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...
I am using saadc to periodically sample a voltage (per about 12 seconds). The voltage cannot be shutdown and always is a value neigher zero nor VDD (1.25v, 2.5v, 1.0v, etc...
Hi,
I'm wondering if the DTM mode can be entered over the air interface on nRF bluetooth products, as specified by Core4.2 [Vol2 Part C] 4.7.1 Activation and Deactivation...
Hi,
I am looking for an solution which requires to have an BT dual mode(Smart Ready) SoC. As i require the high data rate of 2.1 and also require support of BLE 4.0.
...
HI ,
I need to interface particle measurement sensor with nrf52832. I am using S132 softdevice and SDK 11.0 for my application. I need to send commands to sensor to take...
Hi,
I feel myself a bit silly...my nRF52840 board was working the last few weeks nicely, it was visible both in nRFgo and Keil. I had the board some time in button cell...
Hello, after downloading my user app using keil, I can't seem to erase the whole chip.
This is what I'm trying to do:
erase the whole chip (nrf52840).
program S140...
Hello, when migrating a project from nrf51 to S140 nrf52840, I got an
"Error: L6218E: Undefined symbol app_error_fault_handler (referred from softdevice_handler.o)."
...
Hi,
I am quite a beginner about nrf51822. I understand that I can get RSSI during advertise mode before pairing. But I am not sure I can get RSSI after pairing. Can I get...
Hi, everyone.
Now I have found some posts about the development enviroment on Mac OS X. But none of them describes clearly how to setup the development enviroment with an...
We are trying to get serial bootloader (DFU) working. I compiled a debug version of the experimental_bootloader_secure_serial in SDK13.0.0 to see what really happens there...
Hello,
I am successfully using the following code:
float f = 23.50
char buffer[10];
sprintf(buffer, "Float = %f\n", f);
SEGGER_RTT_WriteString(0, buffer);
I...
Can nRF51 be BLE connected while it's on sleep mode? (connected by other device as Peripheral mode)
I thought, to be connected as peripheral mode, It must be advertising...
Dear Nordic Team,
We have a customer that would like us to extend an C# desktop application to use serial over BLE. What is the best dongle firmware and Windows driver...
