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...
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...
I'm building an android application using BleProfile classes in the nrftoolbox.
I want to request characteristic write to a peer(nRF51) in MyApplicationActivity inheriting...
Dear all,
I'm using 52810 and have some problem with the S112 softdevice.
My ble app problem is based on SDK 14.0.0.
I download my app hex and the S112 softdevice...
Since upgrading to nRF Connect on my IOS device the DFU won't reconnect to the BLE in the boot-loader after initiation from the application.
The device will migrate to...
Hi all,
I am developing firmwares for the nRF51422 under Eclipse with the ARM GCC toolchain.
I have a matrix of WS2812 (or neopixel) RGB LEDs that I am controlling using...
I need a cheap 2 or 3 button fob or itag to connect to/control my NRF51 firmware. So far I only could find "AB Shutter 3" as input device with >1 button but it is using Bluetooth...
Hi all ,
I have one question . I have 3 board NRF : 1 peripheral and 2 central board . I want to transmiss
data from peripheral board to central board 1 then from central...
I am reading a large FIFO buffer from a sensor and there are at least two ways to do it - by simply reading the FIFO using the CPU and SPI in chunks of 255 byte blocks, or...
Hi everyone,
I am having problems in getting the low power mode in SAADC to work.
If I enable it in the config file then the ADC doesn't run anymore.( Blank in the RTT...
HI
I've successfully executed the Light control example and remote provisioning example separately but would now like to combine the light control example with the the...
Hello!
i am testing the nrf52 ble uart example. i am able to communicate with the BLE smartphone application (rx and tx) but i cant seem to get printf commands to print...
Has anybody created a table of what SD consumes in term of Flash and RAM.
More specifically I need the resources taken by S332, which include BLE and ANT + DFU.
Regards...
we need to open uart 30s and close it 30s.there is our code:
if(sec_cnt==30)
{
//printf("sec_cnt=30 is now\r\n");//zzq
nrf_delay_ms(100);
nrf_drv_uart_uninit(&m_dtm_uart_driver...
hi
I write a function getT() to read spi thermalcouple chip.
if the function getT() is called in main() function, it will work correctly. Hence, I think that getT() is...
Hej allesammen!
I'm having trouble with the bootloader example "bootloader_secure_ble", which seems to stuck when calling nrf_dfu_mbr_init_sd. But one thing after another...
