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...
Hello,
I've been playing around with with the nRFsniffer for a couple weeks now. Adafruit was out of stock of the BlueFruit LE Sniffer so I ordered a BLE400 and a few Core51822...
I would like to program the NRF52810 with the SoftDevice 132 and my bluetooth program. Is there any way to reprogram the NRF52810 over bluetooth rather than using a wired...
Hi,
I'm wonder is the speed of i2c on nrf52832 can be faster then 400kbps? even use EasyDMA, the speed still can't faster then 400kbps? I also look into the max speed of...
Hello All,
I am a bit confused with the maximum speed that is achievable with the USBD CDC ACM driver.
In Previous threads like this:
https://devzone.nordicsemi.com...
I developed a functioning application that advertises with Nordic UART Service, connects to a smartphone application, then reads various sensor data using the SAADC and transmits...
Hi,
I have read all around DevZone that more details about AoA/AoD based direction-finding feature were expected to be released around Q4 of this year. This is very exciting...
Hi,
I am using nRF51822, and try to use the ECB block AES128 to do some data decryption.
From the SDK I found 2 API functions:
uint32_t sd_ecb_block_encrypt ...
How can I generate two complimentary signals using PWM with a period of 3.33us (300khz) with ability to control number of pulses to generate.
1: With current api PWM takes...
Hello,
I have tested and verified the code for my application on the NRF52 DK, but now I need to program my own custom device using the nRF52832 chip. I saw there was a...
Some bugs in ble_app_hrs_freertos example from the SDK when handling buttons: (at the end of this listing are same tests but with ble_app_hrs (no rtos) and buttons are handled...
Hi, We are working on Thingy91(nRF9160-pca20035). When thingy91 connected to system through USB, We getting BLE UUID values through nRF52840 on nRF9160(on nRF Cloud also)...
Hello,
I am porting a software to the nRF52 SDK16.0 . This software uses Floating Point numbers with Exponent-Byte=0x7F to signal Error conditions (then treated as unsigned...
Hi. I want to evaluate the current consumption of the nrf9160 module (I have a Thingy91) and I want to disable all logging functions. I started with the mqtt_simple example...
I have a characteristic with variable length and max length of
NRF_SDH_BLE_GATT_MAX_MTU_SIZE - 3
i.e. the max possible data length based on the max MTU.
During connection...
