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...
Hello,
I am working with the nRF DK trying to read a sensor over I2C. I wrote some code in Keil uVision and I finally could read the sensor. The problem now is, for some...
I encountered a strange problem system reset. My application runs on iOS or android. My device was connected by iPhone 6 plus(128G) with iOS 8.1.2. ANCS was turned on. I have...
Hello Everyone
I want to implement TWI interface in my project.Presently I am using Keil UV5 IDE, PCA10028 Development board and s110 7.1.0 softdevice, along with that...
Hi,
So am new to all this BLE stuff, I have been using the nRF24L01 modules but want to move to the BLE variant, nRF51822.
I am these days figuring out the toolchain...
Hi,
I am developing on a nrf51822 based board using s110 softdevice v. 6.0.0.
In my program I need to change the bluetooth GAP device name in runtime
during connection...
Hi,
I compiled the nrf_heart_rate_collector. Apparently, this program only works once, between each run, "remote device" and USB dongle has to be resetted (unplugged from...
Hi, I'm testing the beacon example
(ble_app_beacon, Beacon Transmitter Sample Application ) with my custom board.
I use IAR 7.1 for ARM, Softdevice S110 ver 7.1, and...
Hi ,
I am trying to set up event using GPIOTE. I want to implement reading of sensor data and sending over BLE when an interrupt is generated due to activity on a particular...
Custom Board with MCU NordicSemi nRF51822-QFAA
Softdevice S110 7.1
IAR for ARM 7.1
SDK 7.2 using a merged service (HID keyboard example + NUS example...
Hello,
I try to add the Device Name to the ble_app_beacon example but it does not work.
First, define the Name:
#define DEVICE_NAME "MyBeacon"
Next, add GAP Pararameters...
First, many thanks for the great DFU recipe in the latest SDK!
I've ported OTA DFU to the IAR tool chain for both s110 and s310. I can flip back and forth between the two...
Hi,
I'm using IAR ARM Embedded Workbench (v7.20) to build my Nordic applications. Recently I enabled optimizations (in Project Options: C/C++ Compiler:Optimizations: Level...
Hi,
I am new to Keil and nrf51 development so please forgive me if I ask a stupid question.
I have followed the steps from the user guide and installed Keil (version...
I have scoured the internet for solutions, and documentation. Everything that I've found has to do with ADC, so I thought that I would just convert it to the LPCOMP(they're...
Hi all,
If I want to send a table that contains a structure in each of his cases using sd_ble_gatts_hvx(), can I get it ?
Knowing that the second parametre of sd_ble_gatts_hvx...
