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...
hi
i tried ble_app_uart from sdk 8.0.0 in pca10028 and it is working.but i want to run it in pca20006.i changed device to 51822 & board to pca20006(in preprocessor settings...
Hi. I'm using nRF52832, SDK13, S312v4 as peripheral.
I want to change connection parameter as below.
#define MIN_CONN_INTERVAL_FAST MSEC_TO_UNITS(30, UNIT_1_25_MS)
...
Where can I find the completed source code for the BLE Services, a beginner's tutorial
I keep having trouble advertising, so either I am missing something, or have incorrect...
Hello,
I used latest port_cmsis_systick.c from SDK13.0. And there is still xTickCount bug. Function vPortSuppressTicksAndSleep() adds correct vTaskStepTick(diff); but the...
I am using nRF52 S132 and latest SDK V11. I defined a custom service with a custom characteristic which is 509 bytes (based on your tutorial). Read operation is fine from...
when a particular line of my code is at line 54, the following compile error occurs:
error: #101: "assert_line_54" has already been declared in the current scope
line...
Hi,
I am using nrf5832 that is running a coap server example.
I have modified it a little so it reads sensor data via i2c and returns the data using the coap callback.
...
hello,
On a device with nRF51822-CEAA packaged in a ISP130301, we have a problem with RSSI value measurement.
We use Master control panel and bluetooth usb key provide...
I have set up raspberry pi 3 as a border router and programmed the the nrf51422 using the iot_ipv6_coap_server_pca10028 and could successfully switch on and off led3 and led4...
nrf51822QfAC
S130 stack was working fine and ble_app was able run successfuly able to see the ble on the app;
Now after few days now facing issue in running the same code...
having issue with nrf51822
nrf51822 breakup board was running fine with S130 2.0 stack and ble_app_uart
Now facing issue such that when softdevice enabled is called the...
Hi,
I just switch to Embbeded Studio following the last tutorial ( here ).
I'm working on NRF51822 with SDK12 and TWI_sensor example (without SoftDevice). I followed...
