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...
I'm wondering whether I'm missing something.
This is the callback called from finish_transfer in both nrf_drv_spi.c and nrf_drv_twi.c.
This parameter is useful because...
Hi,
I am working on the examples\ble_peripheral\ble_app_uart sdk 12 example on SES.
I was first setting:
FLASH_START=0x1B000
SRAM_START=0x20001EB0
Then tried...
Hi all,
I've developed a broadband vibration energy harvester that is able to pick up uW of energy from just a couple Hz all the way to 150Hz. I'm currently looking for...
Hi,
My code always throws "NRF_ERROR_INVALID_STATE" error and reset in nrf_drv_gpiote_in_init.
I tried many pins all of them are free and not used:
#define BUTTONS_NUMBER...
Hello,
is there a way to check for NRF_ERROR_BUSY before issuing a new command?
The idea would be to create a timer to retry issuing a/the command if the NRF is not...
Hi,
After following all instructions on: gnuarmeclipse.github.io/.../
And after installing all Nordic Semi dependencies on eclipse.
I import on eclipse the UART_Loopback...
Hello team,
I got a DEV KIT NRF52
And I'd like to get all my LOG : NRF_LOG_* ( NRF_LOG_INFO… ) From my USB interface Serial:
/dev/tty.usbmodem1421
I made sure...
i read devzone.nordicsemi.com/.../ that simple multiple saadc-s is not so easy.
I also looked at github.com/.../ble_app_uart__saadc_timer_driven__scan_mode to use multiple...
When I keep this function :
static void vMain_iInitDeviceManager_Exe(bool erase_bonds)
{
uint32_t err_code;
dm_init_param_t init_param = {.clear_persistent_data =...
Hi, everyone.
I've developed a custom board using nrf52832. I tested it and found that CPU core, GPIO and other peripherals work well, but BLE doesn't work at all.
I ran...
Hi,
Raspberry (SPI Master) -> NRF52832 (SPI Slave)
The code below execute event_handler of SPI with NRF_DRV_SPIS_XFER_DONE type. But RX buffer is empty. All bytes are...
Greetings,
I'm in the process of choosing a nRF52 module. I know of this link for the various modules www.nordicsemi.com/.../3rd-Party-Bluetooth-low-energy-Modules.
I...
Hello, I've been trying to get directed advertising and auto-connection working on an NRF51822 peripheral.
I'm using SDK V11.0 with SD130 v2.0.1
This is the scenario...
Hi,
I used the code ble_app_uart_c on board 10028 as a base for my custom board.
My board is nrf51822 QFAA based so I changed all occurances of nrf51422 to nrf51822...