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...
Recently i have bought 4 nRF51822 custom board and unable to program it.
The laser mark of the nRF51822 for custom board is
N51822
QFAAC0
1308AE
I failed to program...
My 51822 needs to support some realtime control code that runs for about 75mS. During that time I need to mask all interrupts. With a logic analyzer I can see that my realtime...
I was trying to find nrf51822's operating distance range (max) in the Bluetooth LE mode. Couldn't find any from the documentations.
Any theoretical numbers and/or practical...
So I am trying to figure out what i do and dont have access to as far as flash and ram is concerned. From the nRF51822 spec it discusses this in general but im finding myself...
Hi
My name is Bernard Britton from Trinidad & Tobago and I am looking for someone competent with nRF9E5 to develope a wireless potentiometer position sensor with LCD receiver...
Hi,
While the softdevice is active (nRF51822) available interrupt priorities are:
typedef enum {
NRF_APP_PRIORITY_HIGH = 1,
NRF_APP_PRIORITY_LOW = 3
} nrf_app_irq_priority_t;...
Hi all,
I'm trying to use NRF24L01, using REUSE_TX_PL command,
the data sheet says as long as CE keep high, the chip will transmit the payload continuously, what i wondering...
Hi
Did you have tested the power current of nRF24LU1 when RF was off and USB worked normally?
We want it less than 4mA. Could you have any idea to make it? Thanks.
Hello! I am trying to develop on the nRF51822 eval board as called PCA10001. The programming interface I use is uVision4 on win7.
I would set a static PASSKEY for the pairing...
When I successfully bond with an Android device, then disconnect the Android device, the following attempt to re-connect fails. It appears the chip enters some internal error...
Hi,
after i get eclipse to debug (thanks to cocoa) i need to make a new project. What option i have to choose, to create a new project to run it on my nrf51822 evalboard...
In the nRF51 reference manual, page 59 shows the config value for pullup is 2 (upshift by 2)
In the file nrf51.bitfields.h, at line 2339, we have:
#define GPIO_PIN_CNF_PULL_Pullup...