Hello,
I'm using the nrf51422 with 210 softdevice.
I'm trying to figure out a way for the receiving slave device to go to sleep when away from the master, but to wake...
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...
Using the sdk15 and softdevice 132 v6, I'm setting up an app to read and write to an SD card that uses SPI1 (SPI0 is used by a display). Everything is working great, except...
Hi,
What's is the max length for the payload data in "mqttsn_packet_sender_publish" method?
EDIT:
Redefining my question above: What's is the max length for the payload...
Hi Sir,
According the table 19.4.2 of 52832 datasheet (v1.4), there is a start up time (0.36 ms) for HXFO.
How do I measure the start up time of my 32M crystal?
If...
Hello,
While an attempt to develop solid security mode bulded around Root of Trust starting from RTL and Device root key we found that unfortunately, it is mentioned in...
I would like to detect if a reset happened due to a brownout or an actual power off.
I tired so far using the GPREGRET and RESETREAS registers. They are useful to detect...
I have an app that works perfectly when run from the debugger, but not when started by HW reset. We use the serial port to communicate to a control processor (STM32) The Nordic...
Hi,
I was trying to test a slot circle antenna with nRF52832 which is well matched to 2.4G~2.48GHz, but it is circular polarized antenna with high directivity.
However...
Hi All!
I use nrf51822 with sd s110 to send data to android phone with sd_ble_gatts_hvx. If sd_ble_gatts_hvx returns NRF_SUCCESS then that packet get to TX buffer. I didn...
With nRF5 SDK v15, the code size became too large for the free version of UV5 , Is there a way to reduce the code size by reducing some array size or commenting something...
Hi There,
I'm stuck with Getting BLE uart working in another example.
I wasn't sure if converting the BLE Uart example into a central/peripheral application would be more...
Hi.
I want to read thingy's sensor data. I'm using nRF52840 DK.
I have tried using ble_app_multi_link_multi_role example, but there are only read button state.
How can...
Hello everyone !!!
I've recently started working with Segger Embedded studio for nfr52840. I want to add a new driver into an existing projects.Let's say GPIOTE
I...
Hello,
Recently i am working on UART application on nRF51822 based product.
In UART application code, there is no option to configure the modulation rate.
So, I would...
Dear friends,
if i adjust the tx power of nRF52832, e.g., by calling sd_ble_gap_tx_power_set(), which phase of the current will be affected in the pic bellow? just the phase...
