Hi all,
I'm working with the nrf51422 and the nrf51822 and I was wondering what the current status of the over the air DFU system is.
I'm using SDK 6.0 and I managed...
nRF24l01+ at a transmitter module one time successful transmission show & after 1 sec failed also . if any doing programming with atmega32 ,please send code for TX & RX ....
Hello,
can the radio notification and radio disable APIs be used to use the radio hardware from the application layer?
Background of my question is, that I have an application...
Hi,
I am using central s120 with peripheral s110. The connection to the peripheral is depending on the name advertised by the peripheral.
When connection is done, the...
Hello,
I am trying to ecrypt some data in order to send some data encrypted in the MINOR and MAJOR adverts of the device.
I used this code to ecrypt the data ( this is...
Hi,
i use anRF51822 with soft device 7.
I run the UART app on my iPhone 4s with ios7 and on the nrf51822 board the ble_app_uart with keil uVision5.
Both devices connected...
Hello,
I upgraded nRFgo Studio software to version 1.17.0. Installation goes OK but the application crashes every time I try to launch it after installation process.. Then...
Hi,
Im trying to connect MCP25625 via SPI on nrf52. I checked with the scope that CS, MOSI and SCK are correct, but I get no reply on MISO line whatsoever.
I perform a...
Every time I want to connect to Nordic ble device from my Phone, it ask for pairing confirmation and then it create bond. That's how it should be.
But if the device is...
I'm using nfr52 with softdevice s132.
I want quickly perform flash write during power loss.
When I realize write using fs_store() I obtain time more than 5 msec.
How can...
Just do
NRF_POWER->SYSTEMOFF = 1;
in main()
and found if it's boot by powerup
the current is 10.4uA~10.5uA
and if a re-flash the hex, the current is 1.4~1.5uA
...
Hi,
Everyone,
I am using NRF51422 chip for my custom board. with transmission interval set to 2000ms and Tx power to -20 dBm, I transmit 32 Bytes BLE data and Scan and...
I use the softdevice which is s130.The code is from the demo:
static void nus_data_handler(ble_nus_t * p_nus, uint8_t * p_data, uint16_t length)
{
for (uint32_t i =...
Hi,
i'm using SPI to transfer data divided into packets of 24 bit from NRF51 to a DAC. The function that allows to send data is:
spi_master_send_recv(SPI_MASTER_1, data_vector_tx...
I'm having trouble starting my application after power cycling after flashing it with the DFU app.
I started nRFgo Studio. Erased the chip. Programmed the SoftDevice (s130_nrf51_2...
I was just wondering if anyone has any experience with or thoughs about using Zephyr ( www.zephyrproject.org/) or Mynewt ( http://mynewt.apache.org/) that they would like...
Hello all,
i am struggling with the example code of the Enhanced ShockBurst Protocoll in SDK 11. I cannot really see the structure of the code, to which time which event...
Hi all, in the forum I can read about people having issues with wrong CRC in the bootloader, but with SDK11; I have the opposite problem. It is always 0 and is always accepted...
main.c Hi,
I am having an issue with I2C transaction in my program.
There are two sensors(Touch and Temp) connected to the I2C bus. Touch sensor is working well when...
According to the official tutorial must before the MCU is powered on hold button 4 to enter DFU mode, detected that I how to achieve a certain GPIO port high level into DFU...
Hi,
I am designing a system that will include an nRF905 transceiver. How accurate should the nRF905 oscillator frequency be for each receiver/transmitter in order to ensure...