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...
In the nRF5 SDK v15.0.0 there is an example for beacon. (in my case ble_app_beacon_pca10040_s132)
This example works fine and acts as a non-connectable unidirected beacon...
Hi, I'm trying to add Characteristic User Description 0x2901 and CCCD 0x2902 to a characteristic. It seems 0x2902 always comes before 0x2901 in attribute table. Is there any...
Hello,
As per your sugesstion opened a new ticket in reference to existing ticket,
https://devzone.nordicsemi.com/f/nordic-q-a/60891/unable-to-read-the-128-bit-uuid-with...
Hi,
I'm using nrf52-pca10040 and sdk-15.3, I tested an eeprom chip following twi_scanner example, using no block nrf_drv_twi_xfer way, which works well, then I put it in...
Hello,
I followed this tutorial and github example in order to make a custom service with the characteristics I need. However, I am running into an issue where the board...
Hi.
I am using nRF52840 Dongle. A problem occurred while merging the PIN_CHANGE_INT examples based on the BLE_APP_BEACON example. I connected the external button to the...
In the products that I am developing we use advertising packets in the scan response to pass some data around our devices. We wanted a way for the app we've made for iOS to...
Hi,
I am using nRF52840, S140 7.0.1. I am using ble_app_blinky application.
I am writing data into FDS records. After writing FDS, if I load new hex file using nrfjprog...
Dear all,
I'm trying to go to SYSTEMOFF mode and then wake up from activity on UART rx pin (nrf51822).
If I do this:
nrf_uart_txrx_pins_set(NRF_UART0,NRF_UART_PSEL_DISCONNECTED...
Hello, I have a BLE peripheral, that should receive larger amounts of data using a l2cap channel. The central (a MacBook) creates the L2CAP channel, the channel is purely...
Hello,
we develop an open source framework that we are currently extending to also support the BLE Mesh Access Layer Models. We are currently implementing the foundation...
I am using nrf52810, using sdk15.2, softdevice6.1.0, my application flash takes up 56KB (I used fds), softdevice: 100KB and bootloader: 24KB, resulting in insufficient flash...
Hi,
I'm try to test my nRF52833DK using the nRF connect Direst Test Mode. Even if I flash the DTM binaries in nRF5 SDK 16, the Direct Test Mode app says something like ...
Dear Sir.
I am using SPI as follows.
gpio_pin_write(dev_io, LIS2DH12_CS_PIN, false); err = spi_transceive(spi_dev1, &spi_cfg1, &tx, &rx); gpio_pin_write(dev_io, LIS2DH12_CS_PIN...
The firmware is based on the BLE UART example running on an nRF52832 with the S132 softdevice. The first batch of boards were build with the QFABB0 chip revision of the nRF52832...