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...
Hello,
we have developed a custom BLE peripheral device. All peripheral devices have the same name. If we want to indetify a specific peripheral device with a smartphone...
I'm using the nrf52 for providing Bluetooth connectivity to an embedded board. My current perspective is that the nrf52 should physically be connected to the UART pins of...
Hi All
I am porting a small OS to the nRF52832. I want to be able to lock down memory of unpriviledged processes.
I have not integrated the softdevice yet.
The memory...
Hello
where can I find some examples of how to create an Android app with BLE NUS peripheral? I have only found NRF Uart app but there is central mode implemented in this...
HI!,
In Eclipse Neon.1 x86_64 with SDK12 examples I get this error:
Symbol 'NRF_CLOCK_LFCLKSRC' could not be resolved
In this line:
nrf_clock_lf_cfg_t clock_lf_cfg...
Hello everyone!
I have studied the OpenMesh for a couple of days. It seems the Openmesh framwork is standalone with the ble stack(S110), and the framwork operate the RADIO...
Hi everyone, I am working on an NRF51822 project which requires the use of non-volatile memory to store user profile (so I think either flash or external EEPROM). As far as...
Hello.
I use nrf51822 chip.
I want modify Device_name as below.
1EA product "CoCoNut - 001"
other 1EA product "CoCoNut - 002"
other 1EA product "CoCoNut - 003...
I want to use the adc when I push the button or recieive some data from the android?
But the example provide the event trig.
Can somebody provide some example , only...
Hi:
I referenced to the example"ble_app_hids_keyboard",and finally,I can reconnect the phone automatically.But that project was a little complex,so I simplify the "service_init...
Hi all,
I am using sdk12.0.0 and i am trying to build the alert_notification from examples.I have installed GNUARM toolchain version 4.9 2015q2 and I am using eclipse.
Following...
The nrf51.xml file that was included with the SDK 9.0.0 was located in the directory structure here:
nRF51_SDK_9.0.0_2e23562/SVD/nrf51.xml
In SDK 10 and 11 this file has...
Hi,
I would like to use my NRF51DK with SDK11 and SD130 to control my SSD1306 OLED screen over TWI/I2C.
To refresh the OLED screen, we have to send it the whole display...
I recently experimented with the TWI Transaction Manager and found the following:
This function would cause HardFault Error
void _BAD_read_func(app_twi_t* param_p_app_twi...