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 have a question about PXP profile. Could I use the nrF52 (S132) Nordic's PXP example to dynamic change TX power when I have bonded or connected Android phone device ? I...
I try to implement a BLE vendor service that has some characteristics. When I bonded the nRF devive (vendor service already download to device) with my Android phone and then...
Hello All,
I have modifies the Spi Master code to communicate with an ADXL345 Accelerometer. I set up my powermode and the percesion in the setup phase. However, when I send...
Hello, Nordic Team.
In my program, I have to change the value of the characteristic before start. I write:
case ACI_EVT_DEVICE_STARTED:
g_aci_state.data_credit_total...
Hello,
I want to make my Arduino coupled with the nrf8001 advertising a simple data (an integer). There should also be a possibility for dynamically changing the advertising...
I have a Jayconsystems breakout board for the nrf8002 bluetooth chip. Nothing is connected to the breakout board and the chip is unprogrammed. My current meter reads 6.0 mA...
The nRF8001 Product Spec says,
"Dynamic Window Limiting reduces the average current consumption by reducing the window widening of the receiver ... Enabling this feature...
Hello,
I am trying to play alarm in button click using nrf code. I am using Nordic nRF51822 device and trying to integrate with android device. When I am using linkloss then...
Hey guys,
Working with the simple be_app_beacon example on nRF51. I’d like to be able to stop and start advertising. But after stopping advertising, I’m unable to start...
Hi,
Can the examples in <keil_location>ARM\Pack\NordicSemiconductor\nRF_Examples\9.0.0 of PCA10028(nRF51422 chips) be use on nRF51822 chips? Or how to modify it to adapt...
Hi
in my application I use about 8 app_timer instantiations (so 8 x app_timer_create), with various frequencies.
I noticed now that one timeout handler is triggered twice...
any body know about android code for pairing with ble (nrf51dk)?
please help i want to pair my android app to the chip. app is discovering the chip but not able to connect...
Hi
nrf 52832 is able to run in 64 MHz using external 32 MHz crystal.
I wondered if I can use an external 16 MHz crystal, and get the CPU to run in 32 Mhz.
Thanks
...