Hi, in the example bootloader in sdk 7.2, there is an assembly code block in SVC_Handler, in dfu_ble_svc.c.
I found that the offset in line:
LDR R0, [R1, #24]
always...
In nRF51 SDK 7.1.0, there is a c header file using c++ keywords operator .
Here is a snippet of components/ble/ble_racp/ble_racp.h using the keywords.
/**@brief Record...
I want to make sure I'm far from ever having a stack overflow event. Is there a way in the IDE or elsewhere to monitor this risk? The map file produced after a build?
I am working on BLE. I have created a service using read property(services_set_barometer_service_barometer_data(void *src, int size))
After connection is set-up i am calling...
Hello, I'm using the nRF51822 and tried the HID Keyboard Application (S110, ble_app_hids_keyboard) example. (Nordic\nrf51822\Board\nrf6310\ble\ble_app_hids_keyboard )
The...
Hi all,
I have a situation in which softdevice (s310 v2) seems not to forward events to my nrf app (bootloader running dfu) in spite of the fact that my iOS app sees the...
I am sending setup commands to a NRF8001 D device and I receive a command response with status of 0x89. This appears to respond to ACI_STATUS_ERROR_UNSUPPORTED_FORMAT. I cannot...
L.S.
Today I decided to have a look at SDK5.1.0 for nRF51822 which supports the S120.
It is deliverd as an msi file with (as far as I have noticed) no support for specifying...
Is there anything preventing anyone from uploading the tinyest image that simply dumps the entire ROM content on the UART?
This would sort of circumvent the HW locking...
Hello,
I use nRF51822 for my project and I would like to purchase some BLE packet sniffer. Does anyone recommend any sniffer? My purpose for that is debugging and check transaction...
On PCB layouts I often see that the HF xtal is oriented at 45 degrees relative to the orientation of the 51x chip (that is to say the edges of the the xtal and 51x chips are...
Hello Nordic expert,
Regarding the antenna load impedance, I can find the data in nRF24L01+ datasheet and it is 15ohm +j88ohm.
But I can not find the antenna load impedance...
hi,
now ,i have save the power,so need to close the spi interface at some time.
but when i call follow function (hal_spi_disable).
it see not close the spi interface, ...
Hello,
During programming bootloader provided with sdk
I get some messages in Command window in Keil.
Load "C:\Keil\ARM\Device\Nordic\nrf51822\Board\nrf6310\device_firmware_updates...
Since I'm writing code for my own board, I decided to create my own board.h file to hold the board-specific definitions.
However, I can't do this without hacking the SDK...
Hi,
We have two services, apple ANCS and Alert Notification on iOS. We try to connect it with 51822. There is an exception case the the alert notification function not...
Hi,
Sorry, it looks like a ios question. We found that when connected ~10 or more 51822 devices, the iOS BLE will malfunction. We can no longer connect new device to the...
Hello,
I'm using the nRF8001, and I'm trying to max out the bandwidth between itself and an iPhone. The iPhone's connection interval is 30ms (minimum). I'm sending 20 bytes...
As title, does nRF24LU1+ have updated version(16 bit or 32 bit MCU )?
We need to process audio signal in conjunction with nRF51822(device side), but the current nRF24LU1...
I got a question to upgrade firmware in keil and after that I can´t program the device and in nRFStudio I tryed recovery but it does not work. In "keil/Config flash tool"...
