I saw that the app_timer uses the SWI0. Could you explain what it does and what the advantage is compared to "timer_list_handler_sched()" calling "timer_list_handler()" directly...
Hi, I used the sample code "Master Emulator->2.1.7.8226->Example code->nRFUart"
to develop a new project, and encounter some questions...
we update nRF6310...
Hello,
How many RX buffers are in S110 SoftDevice? I know there are 6 TX buffers (so you can send 6 packets per Connection Interval).
How is it on receiving?
Is it e...
My sensor is off-standard,so I have to use gpio to read and write my sensor.
Gpio IIC will take about 0.5ms to get data.
My app need send data every 7.5ms,it seems that...
Hi,
My android Proximity application fails on service discovery only for the very first time it connects with the devices(nrf51822 evaluation kit with sdk 5.2.0). Actually...
Has anyone converted the app note AN34 DTM Python script to C# or C/C++ ?
The Python DTM script is works OK with the setup specified in the app note AN34 figure 2, which...
Hi,
I have a serious problem, when I use uart of NRF51822 QFAAC0 to receive data from another MCU, I found that it will lost one bit at same position everytime. my SDK is...
Dear Nordic Support,
I am using PPI to link 2 timers (10ms & 5s) with 2 SAADC channel (AIN1 - channel 0 & AIN2 - channel 1).
The nrf_drv_saadc_init function is only called...
sdk15, SES, SD132 Hi I am using an SPI slave with nrf52 (master) I launch in the main() and I also initialize the SPI slave on main. I also configured an app timer and when...
[EDIT] The solution is posted in one of my replies.
I'd like to set up a programming and test station for the nRF52832. Segger JLink tools work fine in Windows, but I...
Good day Nordic,
I am starting to work over the ble_uart_central example, this is a project that uses bsp_event_handler to issue the events from buttons, but I cannot...
I am new to Nordic and i am using nRF52840 microcontroller, - SDK 15.2.0 - s140
When i program the microcontroller it gives me error message that my flash storage is full...
Hi,
I am using nRF5_SDK_15.3.0_59ac345 for nRF52840 DK. I am running the sdk example "nRF5_SDK_15.3.0_59ac345\examples\peripheral\twi_sensor" on nrf52840. When I am opened...
I'm currently trying to build and run the bluetooth mouse sample code on my nRF9160 DK, but I'm ecountering problems during the build process.
Shortly after hitting the...
I am having some trouble with sending messages using MQTT on nRF9160DK. What I ultimately want to to is read UART and send whatever I receive to an MQTT broker. When running...
I am trying to use sd_ble_gatts_hvx function to send custom data through BLE. I found out that for the data I am sending the function takes a lot of time to send data which...
My custom nRF52840 board uses the STmicro STM6601 push-button controller. To keep the nRF powered, the PSHOLD line must be kept high. I have a GPIO set as an output for that...
Hi there,
I am trying the test the robustness of a BLE use-case. This means that i have to create error scenarios and further observe and analyze how it's possible to recover...
Dear all i have a very funny situaton.
I can only send 1 byte in my service data when I increase it to two bytes it doesn't send. and says invalid parameters
When...
In the right process,like this:
but my program is :
i lost “Sent Read By Group Type Request, GATT Primary Service Declaration, Handles: 0x0001..0xffff” .
in the...
Please kindly help to push this emergent issue!!!
We detected CLK signal using oscilloscope as picture below:
We can see that clock frequency is set to...