When I was using the device as peripheral, I was wondering when the Softdevice notified BLE_GAP_EVT_SEC_PARAMS_REQUEST and BLE_EVT_SEC_INFO_REQUEST:
1, when peripheral...
hi dear nordic employee:
I tried to build the project ble_app_hrs_c（pca10040） by keil5
but I get an error :
._build\nrf52832_xxaa.sct(7): error: L6236E: No section...
Hi,
I am a bit confused about power consumption when using app_uart_fifo. To save power I put MCU to sleep in between each sent and received byte by using __WFE and __SEV...
Hi! I am building an android app for my project. I am using Proximity , UART and DFU from nrfToolbox app. I have 3 buttons on my home screen dedicated for each of them. I...
Dear Nordic employee:
1、 what do I have?
I have a thingy52 develop kit（nrf52832）
2、what is my purpose?
the quality of thingy52 audio demo is not good（iphone7）...
Hello Nordic,
My development environment:
SDK>> NRF51822_SDK10, SoftDevice>> S130
Example>> ble_app_uart
I am looking forward to your reply!
Thanks.
Best Regards...
Dear friends,
according to "nRFConnect_BLE_User_Guide_v2.0", to set up a local device,i should complete the following steps:
Connect a development kit or dongle to...
Hi,
I've an HardFault, the program crash to the HardFault service routine at this row of the twi_hw_master.c:
--> NRF_PPI->CH[0].EEP = (uint32_t)&NRF_TWI1->EVENTS_BB;...
Hello, I am doing some dev on the NRF51822 with a Cortex MO manager. I have trouble on the MISO pin, and I am wondering if I have to drive this MISO pin by any kind of pull...
I've read in several other posts that it's possible to send up to 20 bytes per notification packet using sd_ble_gatts_hvx(). I've also read that we should not edit the file...
Hi,
In the step 3 of the "nRF51822_Development_Kit_User_Guide_v1.4" (page 11) :
Select nRF51822 from the Select Target list and click Build or press F7 to compile the...
Hello
I'm developing software for beacon-type device based on NRF51822. It has no buttons or other user inputs. Our use case:
User buy beacon-device. First phone which...
I've been working with SDK 7.0.1 and it seems there are some issues with device_manager_peripheral.c.
First off it doesn't compile out of the box, the debug code is turned...
In the document nRF51822-PAN v2.4.pdf, PAN #9 says that OUTINIT doesn't work,
"Initial value for GPIOTE output after configuration is undefined"
and example workaround...
SDK 7.0.1 is intended for version 2 (G0) chips, and the future. So it can't be used with earlier versions of the chips (like C0). So it shouldn't have workarounds for C0 chips...
I have recently begun running into issues related to the SPIS module on my nRF51822 S100 v7.1. Fairly often, between 10 and 20% of the time, the interrupt does not fire when...
Hi,
I am using TIMER2, GPIOTE and PPI to implement a 6250Hz square wave at a GPIO pin. I can successfully create the square wave on the GPIO pin. However, I would like...
Hi,
I want to use nrf51822 for implementing HID keyboard and mouse.
Can the application be configured for keyboard and mouse simultaneously ?
i.e hids_init_obj.is_kb...
Hi,
I am using nRF51822 and trying to use Ticker from mBed library.
I have issues when using Ticker and PwmOut.
How is implemented the Ticker functionnality into nRF51822...
Hi,
I want to make a pulse for buzzer and led.
I find a sample source(led.c) and the Nordic SDK.
It is good enough in case posivie and negative duty is same.
I need...
Hello ,
As mentioned in another question, I would like to use the nrf51822 SPI slave peripheral to benefit from the DMA capability although I want to behave as an SPI master...
