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...
The S130 SDS 0.5 documents a CODE_R1_BASE of 0x00020000, but I can't get it to work with code at this location. Any SoftDevice API call ends up in the application's SVC_Handler...
Hi,
i use the library app_gpiote to setup interrupts on a toggling external pin(this pin generates a signal which changes from high to low).The external interrupt signal...
Links: ota_profile_pkt_rcpt_notif
As you see,GAP Disconnection，I don't Know how it works.The ble device call disconnection,but ble android phone respones it more then 5s...
Hi, I'm a student at Oregon State University using the nRF51 Development Kit for a project. I can't seem to find any functions for sending and recieving Bluetooth signals...
HI ALL!
I got a question about establishing my own service.
Currently, I can just send my data through the 'hrs' service(by replacing the heart_rate value with my own...
Hi,
I just downloaded the Utility app for the ble apps(nRF518 SDK) checking on my i5 at iOS 7.1.2. I have tried to connect the apps(hr, proximity) of Utility, but there is...
I changed the dfu start address to 0x00 and application start address to 0x8000.
The application use the RTC0 IRQ to count the timer,
but the RTC0 IRQ did not work correct...
I've been successfully using IAR and I-jet with the 51822 and S110. I can build, download and run under the debugger with no problems.
I recently switched to the 51422...
Has anyone has any success flashing a nRF24LU+ dongle NOT using the official dev kit ? I'm attempting to flash using another microcontroller programmed as an SPI Master so...
I will be happy if someone points out this is a newbie problem and not something weirder...
Running on Win7, 64 bit BTW...
I recently received the nRF51 eval kit. I...
Hi,
I am trying to connect my msp430f1611 microcontroller with the nrf8001 bluetooth chip. I read this thread ( devzone.nordicsemi.com/.../) and it seems very helpful....
I have been trying to implement a SPI Master on the nRF51822 Eval board in order to read data from an Analog Devices ADXL345 3-axis Accelerometer. I chose to start with the...
Hello,
Firstly, the nRF5122 Product Specification v1.3 Section 4.2 says that TIMER0 is 32 bits wide.
However, other product specs seem to mention 16/24 bit timers, and...
Hello Nordic people!
I'm developing my first firmware on nRF51822 and I need help with BLE, profiles and SoftDevice S110 stack.
Application it's a speed sensor for bicycles...
I have nrf51422 dk. The boards I connect to 3.3V power and via jlink to my pc.
I use the JLink command line tool.
I can not access the chips. Erasing is not possible and...
