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...
Hmm... this should be a simple question. But I haven't found a direct answer yet in the online SDK docs, the ARM NVIC docs, nor in this forum (and have only been confused...
Hi All,
I have a following setup :
The peripheral BLE device is supposed to send **(time critical )**data packets to Central device but the transfer is very rare (Can...
Hi,
I have modified slightly the OTA bootloader sample in SDK6.1 and SoftDevice 7.1.0. After flashing the bootloader code to the nrf51822 it works like charm, I can update...
when i use BLE_GAP_ADV_TYPE_ADV_DIRECT_IND mode,I can see the device advertise (MCP) but i couldn't able to connect with it (advertising_start at BLE_GAP_EVT_TIMEOUT)
i...
Hi,
I'm a beginner with bluetooth.
I'm actually working with nrf 51822 Evaluation board.
I want to realize a transparent mode of communication with your kit. Can you...
I never worked with Cortex M0 before so I wonder how it's possible to jump to correct IRQ handler when I have my own bootloader and application which are using e.g. UART IRQ...
Hi.
Where i can find some information and guidelines to do a good RF PCB with nrf51822?
thank you for your support
EDIT 02/02/2015
Where i can find " nRF51822 Reference...
Hi, I'm using my custom board with NordicSemi nRF51822-QFAA and J-Link.
(Softdevice S110 7.1, SDK 7.2, and using IAR for ARM 7.1)
I was testing the NUS example using...
Hi,
The examples provided seem to indicate that the NRF51822 needs to be attached to an application processor / CPU (e.g. - Raspberry Pi). How much resources (CPU cycles...
hardware:pca1001
software:s120 v2.0.0 sdk 6.1.0
i will get rssi value by connected by s120.so i update the s120 to v2.0.0. but when the app run, an error occur.[APPL...
Hello,
I am using the Sd130 (v0.9 alpha-1) and do experience a reboot with NRF_ERROR_INVALID_STATE.
I start advertising, then use another device to connect to it. After...
Hello,
where do the SD130 limitations come from. Is it the Bluetooth standard that limits a device to 3 connections as a master and one connection as a slave or is it a...
I am using latest (v 0.9) S130 and experiencing the following problem, the code below is located in the function which is called directly by the main():
uint32_t err_code;...
I just tried out the new iOS nRF Toolbox 1.5 and it doesn't seem to handle long init packets.
I gave it a zip file that contains a 137216 byte 'application.bin' and a 192...
