To be able to upgrade FW through UART, a bootloader for nrf51822 is required in my project. I have tried out the example bootloader in SDK. But this example is using softdevice...
I followed the forum posts and nan-29 to get eclipse 4.3.2 to successfully connect to JLinkGDBServer via a Segger J-Link EDU on Ubuntu Linux.
I can start the GDB server...
I'm using Softedevice 6.0.0 and SDK 5.2. and Keil 4.7.
I Modified bootloader project so it compiles with both ble and hci transports. Currently I use button_0 and button_1...
I am working on the proj that needed 2 MCU and nrf51822 work as slave.
I would like to know any ref on how to firmware upgrade on board without external tool?
We're looking for a Nordic nRF51822 based low profile/small USB dongle that we can use for our iBeacon software.
It would need to come complete with casing and the ability...
Hi all,
i want to establish connection between two threads in cmsis-rtos, can i use
1) semaphore to do this?
2)message queue should be used or any other ipcs can be...
Hi,
I have two CPU in our product. (STM32F2 and Nordic nrf51422).
I use serialization function to link those two CPU(refer to ble_s110_serialization sample)
But I find...
We are writing an Android app for our own peripheral (nRF51-based). We know the handles for all the characteristics.
On Android gatt.discoverServices() needs to be called...
I've tried to use UART samples to test large BLE payload size with SDK 12 and SoftDevice 3.0
What I did is modifying UART central and peripheral code:
In both project...
Hi,
I have an nRF51 project using SD110 and SDK8.0 that refuses connection parameter negotiation. I a handler that would disconnect bluetooth when a connection parameter...
If, for example we would source 10 mA on 2 pins (2 x 5 mA), how much current can we sink on high drive pins?
Is that 15 mA overall sinking and sourcing (which seems like...
Hi,
HW:PCA10040
SDK:v12.0
QUESTION:PWM
I want to use SDK 12 to get 4 pwm , so i search in pwm , i start my program like this , but i can't find nrf_drv_pwm_config_t...
anybody knows how to download the nrf52 sdk common library document?
i only find a online help infocenter.nordicsemi.com/index.jsp but i need a offline reference manual....
Hi, I am using following code inside for(;;) in main function
if(diff == 30)
advertising_stop();
else if(diff == 60)
advertising_start();
Following are the advertising_start...
I use IAR to debug nRF51_SDK12.0.0 ble_app_uart example application. The origin application is for nrf51422, and my device use nrf51822. Therefore, I first change the device...
I'm using a S130 on nrf51822.
connect to 3 peripherals (in case of the master)
connect to 1 central (in case of the slave)
But, I want to use 1 peripheral and 1 centeral...
I'm using nRF52+SDK11.0.0+S132 with an application based on the ble_hrs example.
In main() , if I call a blocking nrf_drv_spi_transfer() to configure some SPI sensors before...
Hello I tried to do a application update with my own key and it does work.
But then I tried to create zip with all 3 parts: APP+BL+SD (application+BootLoader+SoftDevice...
Hi
With the introduction of softdevice v2.0.1, the connection bandwidth has become configurable to be low, medium, or high; and can be specified independently for TX And...
Hi,
Now I'm using nRF52 SDK v12 and S132, I have some data(about 300 bytes)need to write to the flash. I have seen the fstorage but I donn't know how to use it. Could anyone...
Hi,
I am trying to implement a biometric group telemetry system for my gym and experimentation.
In the past I used a nRF24AP2 module and an ARDUINO PRO MINI 3.3V 8MHz...