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...
Hi,
My behavior is as follows
Turn on my device(use 51422) and advertising(2 Service and 3 Characteristic)
Turn on my cell phone(Samsung Note3),scan my device...
Hello:
I used analog IIC write MPU6050. Again after power download programs, mpu6050 can run up there ACK response. But the debug will not run. Simulation IIC because no...
Hello!
How can I communicate with my nRF24L01+ and nRF51822 at the same time. I can set up same channel, CRC-mode and I don't use ESB. But what about address? How do I set...
I am using PWM on a BLE Nano using Nordic SDK. I was having problems with the PWM and decided I would set the duty cycle to 0 to see if the program was working right:
#include...
I'm trying build a file in Keil, and have received this error below. Please advise on how to fix it! Thanks!:
*** Using Compiler 'V5.06 update 3 (build 300)', folder: ...
Hello,
I'm trying to put a BLENano board to slepp every loop iteration. These are te steps:
setup:
sd_power_mode_set(NRF_POWER_MODE_LOWPWR);
NRF_POWER->TASKS_LOWPWR...
Can someone tell me the best way to build the old bootloader under SDK 12.
Looking in the examples, in SDK12, there is now only the bootloader_secure example
SDK 11...
Hello
I want to know if we can wake up nrf52832 in sleep mode , from a command through an application on a phone via BLE. If its possible can someone please guide me to...
I want to add backtrace functioanlity in nrf52. I am using functions given in below link:
link text
But I am not getting library files for defining functions mentioned...
Hi,
I have programmed a BLE code.
In the code we are continuously connecting and disconnecting BLE connection.
The BLE connection is established for around say 1 sec...
hi,
This function is called on BLE Event when someone writes to RACP characteristic
What i woud like to know is, is it called from any ISR routine?
Or when BLE Event...
The radio mode 250Kbps is removed from nRF52832. However, by our test, nRF52832 radio can still work with radio mode 250Kbps with setting
NRF_RADIO->MODE = (RADIO_MODE_MODE_Nrf_250Kbit...
Hi All,
I have a question about the SPI pin number on nrf51 Dk.
I don't understand when i look into the pca10028.h file, i see this mapping:
#define SPIM0_SCK_PIN...
Hello,
I am trying to compile the example ble_app_eddystone with the SDK12.2 for the nRF52_pca10040_s132
While compiling with SEGGER I get the error
Compiling...
Hello,
I set up a project on the base of "BLE_APP_UART" to which I added header files and configured the sdk_config.h
Now I get these warnings during compilaiton:
...
Hi!
So I went from the Battery Service example to create my own service which went well and everything. Now I don't need a battery service, which is why I was trying to...
Hello,
i am working on Low current consumption project.
i have one question. what will be the good option to use the SPI or TWI ?
who have less current consumption ?
...