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'm using a timer to send message over uart.
Here is the initialization code:
err_code = app_timer_create(&m_uart_timeout_timer, APP_TIMER_MODE_SINGLE_SHOT, uart_timeout_handler...
I'm hoping this is just something silly that I've overlooked, but I'm running into an issue: Whenever I try to prompt the scheduling of a TWI transaction an error occurs ...
im using sdk10 softdevice 8.0.
on my app I configured #define APP_ADV_INTERVAL 1500 and I noticed that when I activate Dfu service (activate notification on last service...
hello,
I am trying to direct advertisement on NRF51822 board.When giving the peer address i am confused that how to specify the address type of the device, whether BLE_GAP_ADDR_TYPE_PUBLIC...
Hello,
I made 10 custom board with nRF52 rev C, epson 128FA 128 32 MHZ, epson FC 135 32,768 KHz
I have some difficulties to get crystals working.
10 of the CPU run...
Hello!
I've developed a board with NRF8001 module mounted on it. Antenna on the board is much longer than in reference designs, so I can change the length. I also can add...
We been developing device based on NRF 51822 (NRF51822-CFAC-R) (62-UFBGA, WLCSP).
We plan to use 2032 battery, and need at least one year of autonomous BLE work, our device...
Hi,
As discussed here a way to advertise each 20msec is changing the mode to BLE_GAP_ADV_TYPE_ADV_IND. This is a connectable mode and assume we do not want a connection...
why I debug the project ble_app_hrs_rscs_relay in SDKv10\ble_central_and_peripheral\ , it can not go to main(), always stay on first,I do not change anything, it compile oK...
Hello,
When I restart my application with debugger, i have strange IRQs called (TWI, ...) before init. Possibly IRQ still active and debug don't touch them.
Can I disable...
Can you please provide an example on how to read 10kB from the internal flash using pstorage_load and send it to mobile phone (NRF Toolbox) via NUS UART BLE ble_nus_string_send...
Hi
I've just seen Nordic has ported FreeRTOS into the NRF5x series. Have you been using it together the S110? What's your experience? Could I use it together any SoftDevice...
hi, with good advisers in here, i can build the ble_uart_example and download it.
and using the function 'ble_nus_send_string' in 'ble_nus.c', i can send some messages...
I use the application timer with a schedular on the nRF52 with SoftDevice S132 1.0.0.3 alpha and SDK v0.9.2.
The application timer is running in repeated mode and should...
