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...
In SDK12.2 init timer user APP_TIMER_APPSH_INIT(APP_TIMER_PRESCALER, APP_TIMER_OP_QUEUE_SIZE, true);
but when I want to use more timer,how can i add the number?
Dear Nordic,
I am having some apparent delays in the time that passes from the pressing of a button, and the execution of the ISR that this button triggers. I am using...
Hi， Nordic
I checked DFU operation, found DFU work in bootload mode.
I want to know below operation is OK or not. Plz help me check:
download DFU bootloader
download...
Hi, I use the PCA10040 v1.1.
This is an example of a PCB stack-up.
My questions are,
In the case of PCA10040, which is 4 layered, what are the values of...
Hi,
I am writing a firmware for one of my custom boards which use GPIOTE to detect interrupt for 3 GPIOs inputs (P0.03, P0.06 and P0.09, both with internal pull-ups) and...
Hello,
I'm trying to write my ADC samples over spi on a sd card (Using SAADC like in the sdk 12 example with PPI and using fatfs like in the example in the sdk).
I open...
I have been using the pc-ble-driver Python bindings to implement a peripheral. I have extended BLEDriver to support sd_ble_gatts_* the functions. I now have a working peripheral...
Hi All,
I am struggling with this question from many days. Does the SPI transmit or receive operation in SPI master code uses DMA? While using SAADC DMA I have specified...
I'm using an app timer to blink an LED while in the bootloader.
Initially I was configuring an app timer when the bootloader started up and never stopped it, assuming the...
After failing in replacing a Cortex M4 for a NRF52832 I'm studying the possibility of using a NRF51822 as a BLE controller, used by my Cortex M4 MCU.
As I saw there is...
Hello
Please tell me about sd_ble_gatts_value_get ().
Before execution, handle is 0x11, but after execution it will be 0x00.
Is this an abnormal thing?
In our earlier projects with nRF51 and SDK 8 we used to have bluetooth device names of length 13 or 14 characters. However, when using nRF52 and SDK 12 I noticed that the...
main.c
something
hello there i want to scan perticular device. can any one helo me?? . i am using heart rate sdk 11 example
static void on_ble_evt(ble_evt_t * p_ble_evt...
Hello dear Nordic team,
we want to implement a white list to our central device in the production process. Bonding while producing is not an option for us.
Therefore...
We are having a project where temperature values will update whenever the temperature changes ,So I'm writing code like this
uint32_t ble_sh35_update_temp(ble_sh35_t *p_sh35...
