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...
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...
Hi,
i am trying to wake up the nrf52832 from system off with a gpio interrupt.
When the signal on my gpio pin 28 goes from Hi to Lo, i trigger a callback function in...
Hello all,
I'm building a project on the nRF52382 with the S132 (v2.0.0-4.alpha). The project includes a Central device (GATT Clients) that read and write to 2 peripheral...
Are there any specs available regarding the performance of the nRF52 ADC's internal voltage reference? Accuracy (%) and temperature drift (ppm/degC) would be good. I couldn...
Hello,
I'm developing proprietary radio protocol using nRF52 (not using softdevice) and would like to know if it is allowed to write NRF_RADIO->FREQUENCY register while...
Hello, I've got a problem with an app_timer
starting from the BLE_UART example, I've set
#define APP_TIMER_PRESCALER 4
#define CLOCK_CONFIG_LF_SRC NRF_CLOCK_LF_SRC_Xtal...
Hi NordicSemiconductor's Community,
I have a basic question about the RAM and ROM management in Blogs section.
I don't understand this paragraph:
"The IRAM size consumption...
Iam using LPCOMP for my project i would like ot know where the header files are available to download, iam getting the error
....\main.c(33): error: #5: cannot open source...
Why isn't the nRF52 ADC internal reference voltage included in the electrical characteristics on the SAADC in the Product Specification? Knowing what voltage the ADC is referencing...
The table on:
infocenter.nordicsemi.com/.../gpio.html
specifies: Iol,hdh = max 15 mA for Vdd >= 2.7V.
The graph lower on the page (Figure 6. Max sink current vs Voltage...
Hi Nordic,
when 51822 communicate with an app,is the best way to use different services and characters
to achieve different passageway or use a self expand protocol on...
dear all
I have two same 51 822 device with same program, one is normal, the other can't be connected even re-power manually .The two all can be found by nrf master control...
Hi,
I have been able to use SAADC to measure temperature, but my code does not behave in the way I expect it to!
In the config file I have the following settings set:...
