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,...
Hi,
how long does it take time if i would wake up a nrf51422 rev2 (ANT and BLE) in deepest possible sleep mode ?
And how long does it tai if after wakeup it had to communicate...
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...
Hi,
I'm currently working on an Android 4.3 app who must communicate with a model of a specific device.
This device contains a Bluetooth low energy chip nrf8001 and there...
Hi,
I have a problem when running 51822 with Nrf toolbox on android 4.3 Samsung S4. The problem is that the BluetoothGattServer disconnect itself after 30 seconds. The...
Hello all currently i am setting a Client Characteristic Configuration value to indicate to retrive value from device. but in some device refuce to give value . so first i...
I'm using the nRF51822 with the S110 soft device. When specifying the maximum size of a variable length characteristic notify property (the max_len field of the ble_gatts_attr_t...
now,I want to know how the process that application invoke the method to send or recieve the data,but I did't find it in the source code ,and when I want to find the definition...
I want to read a line of text from a UART peripheral. I'm using app_uart.c, not the "simple UART" example code.
My main() looks something like this:
uint8_t line[MAX_CHARS...
Hello,
I've been working on the SPI module for the nRF51822. I used the sample spi .c file as a starting point, but I got rid of the timeout (not sure why there is a timeout...
Hi,
We have nrf51822 evaluation kit and some custom board with nrf51822 chipset(works fine). And also we have tested the nrftoolbox application with the proximity service...
I use the example "Keil\ARM\Device\Nordic\nrf51822\Board\pca10001\led_radio_example" and "Keil\ARM\Device\Nordic\nrf51822\Board\pca10000\led_radio_example" to communicates...
Hello, I think there's a mistake in page 35 of the specification, it says that if Auto Retransmit is disabled (that meaning Auto Retransmit Count = 0 in SETUP_RETR register...
Hi all,
I am using an nRF51822 Development Kit and I would like to create a simple test code that allows me to send data (no matter what kind of data, also a sequence of...
Hello, I am working with both QFABA0 devices as well as a QFAAC0. Because of the outdated silicon I am constrained to SDK V4.x and SD V5.x
My current test setup is
I...
Hello,
which profiles are available currently to the S120 protocol stack? In the nRF518 SDK V5.1.0 I could find only one example profile for Heart Rate. However, this is...
HI,
I am the beginner of develop bluetooth le device, and test the sdk 4.x examples and it's work correctly,
then i updated the sdk to 5 , but i can't get the example...
