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 was trying to program bootloader provided with nRF51822-DK using nRFgo studio but I receive error like attached:
I was also trying to follow this guide:
...
I want to add an external PA to the NRF51422. My understanding of 15.247 is that you can transmit up to 30dBm if you use spread spectrum. Does the NRF51422 use DSSS for Bluetooth...
When is the most appropriate time to set the transmit power while using the S120 softdevice? I want to set it once at power up. Most examples that use the S110 SD set the...
Suppose I want my BT peripheral to provide Measured value of sensor X and Location of sensor.
Currently I have to send the following attributes
Service Attrinbute
Characteristic...
Hi All,
I am working a custom board for 51822. We have wired the UART RX/TX pins to a microusb connector (No RXD/TXD pins wired). The problem is once we connect it to PC...
Hello,
all was working fine, until today.
When I plug my dongle, my computer does not react.
The green light on the dongle is off.
Even if I suppose that it's a...
For my current project, I need to compile the »over the air bootloader« with gcc (because our buildserver runs on linux, developers using Mac … no Windows and no Keil so far...
Hello, I want to get Pwm output using softdevice but i am not getting it.Here is my code attached main.c please tell me where i am going wrong.Do ineed to initialize softdevice...
I am looking at using the nRF51822 in an application to create an Ethernet gateway and want to be able to download new firmware to the nRF51822 from a remote server. I plan...
I have an nRF51822 application using the Soft Device 110. I want to perform bonding with a central without MITM protection. In my on_ble_evt() event handler, when the event...
Hi,
I am new to the scene of BLE beacon development. I am using multiple Bluetooth smart beacon kits for indoor ranging/positioning purposes. To reduce the effect of interference...
Hi,
For S110 6.0.0 we use such script to split hex to binary. But it seems 7.0.0 is changed and current way is not working anymore.
Convert from hex to binary. Split...
Hi
I am writing my own bonding manager.
In the S110 stack after Phase 3 of pairing the keys are exchanged which result in the EVT_AUTH_STATUS event which in turn contains...