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 have a scenario where I have multiple peripherals (nRF52) and multiple centrals (cell phone).
The user is going to use only one central with only one peripheral together...
Hello
In case a connection is disconnected locally by calling sd_ble_gap_disconnect(), no BLE_GAP_EVT_DISCONNECTED is fired even though the sd_ble_gap_disconnect() function...
Hello, I'm trying to optimize power on HID Keyboard app.
This post was helpfull but yet some questions remains.
If I use several services, and want central to be abble...
After S110 7.1 ble_stack_init(), any read/write to temperature register cause a HardFault.
Some sentences like:
nrf_temp_init();
NRF_TEMP->TASKS_START = 1;
...
Hi --
I am using the ble_peripheral/ble_app_hrs example project. And if I try to update the vs_uuid_count param to 2. It proceeds to fail the softdevice_enable with error...
Hello,
I'm currently looking into the secure bootloader from the 12.2.0 SDK, and wondering if there is some example code regarding implementing a uart transport?
I use the software S110 v8.00,and the NRF51822QFAA chip.
now ,I need add DFU Service support to an application.
I find the ble_peripheral\ble_app_hrs\pca10028\s110_with_dfu...
What's the best way to debug an application that is not starting after an OTA DFU update. The app said the update was successful but nothing booted and it didn't even seem...
I find the dfu sdk for ios in github ,but I only find the swift pods, did`t find the code for objective-c.
Did someone have ? Please share to me, Thank you !
Hi,
when developing I often use Google search to find documentation. I prefer using external search engines, since this includes results from StackOverflow and similar sites...
Hello I'm trying to setup i2c/twi communication between nrf52832 with oled driver SH1107 but i need to do it in hardware instead of software but on the register level.
...
Hello,
My setup is as such.
I use SPIM1 and SPIM2 all the time. SPIM1 goes to a set of MEMs devices, and SPIM2 is dedicated to a Memory module.
My device runs in of...
20170119_104909.jpg
I'm working with a ble open source.
Here i attached the captured abnormal case of the connection update
Request PDU from the slave. Please refer to...
