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...
Hi
the PWM frequency should reach 8MHz( duty cycle is 0.5 )when use timer0(16M) without SD.but i revised timer demo code from peripheral and only get 50KHz.i don't know...
Hi everyone,
I've found a few posts and a lot of info but I'd like to know if there is an existing example that merges a few of the examples found here ( github.com/.....
Hello.
I want to retain the value of a certain variable after issuing a system reset (sd_nvic_SystemReset).
Can this be done without storing it in the flash memory?
...
Hello.
I use SDK 8.0.0 and PCA10028 board. I try connect board to the Windows 8.1 PC ( i have Tablet PC and Desktop PC with BLE dongle). For connect board to Windows i...
I think I understand what these two flags do, the SYS one returns the system attributes, which I assume means data representing the CCCD for the service changed characteristic...
Hello,
Is there any compatible arduino lcd with existing library for the nRF51 Chipset?
So I can just plug it on the nRF51-DK, include the library and "lcd_wirte("text...
Dear Developers!
I'm a newbie in nrf51822
My Project needs to change between central and peripheral role. How can I apply OTA DFU with S130 soft device ?. In nrf51822 DFU...
Hi,
I used PPI module and Timer2 to generate a 4Mhz pwm. But I founld when using softdevice(s110 v7.0), the pwm will be broke a while by BLE advertising or connecting event...
What's wrong?
Device is connected. (nRF51822 Board - J Link - PC)
I downloaded a sample project, and when I open with Keil, then it shows following message.
What...
Hi all,
I would like to know which is the most recent SD and SDK that I should be using with my REV2 chips. In the compatibility matrix, there is no info about the SDK...
I am working on s120(central) and s130(central/peripheral). I am getting
BLE_GAP_EVT_CONN_PARAM_UPDATE_REQUEST event after updating conn_parameters w.r.t to peer using sd_ble_gap_conn_param_update...
Using nRF51x and S110 v8 in a BLE application I want to generate a random 32 bit identifier and store at end of UICR on first power up only after factory flash (no erase needed...