I am getting get BLE_EVT_USER_MEM_REQUEST and BLE_GAP_EVT_CONN_PARAM_UPDATE event, when writing to ble device, sample code did not handle these event, and seems no document...
Hello:
Why do I erase SDK5.2 version of flash and read not, in SDK4.2 can. I tested nrf51_sdk_v5_2_0_39364\nrf51822\Board\nrf6310\flashwrite_example is a good example.However...
before i write the flash, it has been erased.so ,its value is all 0xff.
when i write 0x00 to flash address 0x0001,the value read out is not 0x00 but 0x01,and the value in...
I'm looking for a way to use the nordic uart service ( devzone.nordicsemi.com/.../ble_sdk_app_nus_eval.html) from Linux using the native Linux BLE Stack (BlueZ). My application...
Hi,
I've created an application using the S110 experimental ANCS demo. I successfully implemented ANCS and then began to structure my application around it. At some point...
Hello,
In an ongoing company project we use a couple of nRF51 transceivers forming a beacon enabled wireless sensor network consisting of one base station and multiple...
I want to count clocks in order to implement a watch. I use the RTC0 as my time-base and count mainly with this device. As it has just 24 bits it would not last for long,...
hello:
i use timer1 to get a pwm waveform,when i use RTT to test it,the waveform is ok,but when i take out the RTT,and Remove the battery and put on the battery again to...
I've made a custom board with nrf51422-QFAC, which I can program with nrf51-DK. I'm using SDK 12.3.0 and SD130, which is flashed to the custom board.
When I program the...
I'm trying to setup logging with printf() over UART and I got totaly blocked by following realy strange situation.
Let's have following very simple log_test.c:
Then...
Hi. I'm quite new to nRF programming. I successfuly solved how to compile/link/flash the software onto nRF52 DK using just a simple editor (Notepad++), the ARM toolchain and...
Wondering if there are any example/reference implementations of a bootloader for the nRF51822 that support Device Firmware Update over both UART and BLE? We've got the BLE...
Hi,
I have met problem when apply dfu of nrf52810.
I used dfu sample of 52810 from devzone link: https://devzone.nordicsemi.com/f/nordic-q-a/28471/about-ota-for-nrf52810...
I met a big issue when implement the voltage level switch. I used nRF52832's SPI to communicate with an ECG sensor which has 1.8V SPI. The issue is that, 3.3V signal from...
Having just got the DFU functionality working I got the task of trying to add NFC functionality to the application. The code side was not a problem since I got a c and h file...
According to the BLE 5.0 Specification :
"The Link Layer shall use the primary and secondary advertising channel
indices as specified by the Host, and the used primary...
Hi,
There is a bug in a Linux box (Mint x64) with the following configuration:
SEGGER Embedded Studio for ARM Release 3.34 Build 2017121400.34532 Linux x64.
Nordic...
Hi,
I am using ble_app_multilink_central and ble_app_uart central example for my application, i am combining these two example for ble_app_multilink_cenntral for BLE_NUS_C...
Hi,
I'm using the nrf_drv_twi driver (master) to communicate with a number of IO components, such as LEDs, buttons etc.
If my IO component does not respond (why is not...
I downloaded SDK 12.3.0 (seems to be it is the last supported SDK for PCA10028) and tried to use fats example, I changed pin configs to SPI's pins.
I also prepared my 16Gb...
Hi there,
I'm putting together a PoC board for a demo - in this case size matters and I've had to make some compromises for the sake of speed (which have increased footprint...
Hi,
After setting up constant carrier, how can one determine that it is working. With no modulation the receiver can't determine anything, can it?
thanks