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,
My behavior is as follows
Turn on my device(use 51422) and advertising(2 Service and 3 Characteristic)
Turn on my cell phone(Samsung Note3),scan my device...
Hello:
I used analog IIC write MPU6050. Again after power download programs, mpu6050 can run up there ACK response. But the debug will not run. Simulation IIC because no...
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...
My Thingy:91 was added to nRF Cloud using "+" > "LTE Device" and then "Already have an active SIM? Skip this step" (iBASIS roaming doesn't work properly in Switzerland so...
I've been trying to get the MQTT simple sample started however after changing the hostname to "mqtt.eclipse.org" and running the sample, it stops with this error. Please how...