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 all,
i want to know answer related to following question
1)what is use of uicr?
2)if i place some value in uicr and then change the image,then is there will be change...
It used to work, but now it says "Connected" but the rest of the GUI never changes and the mouse just shows a busy spinner. Here's the log file:
0;13:45:18.9900 [MainThread...
I am working on a project using a ble nano (nrf51822) using the Nordic SDK 8.1. I am trying to use PWM to control a buzzer. To do this I included the following files into...
Hi,
I use Multilink Central and Experimental_ble_app_blinky examples.
Multilink Central sends only 1 byte. I want to send more.
Blinky does not work when I change the...
Hi all,
is there a way to set a characteristics when a read command arrive from APP, or it's necessary to set it before to read?
I see for example battery service, it...
How do I get data from a scan response packet using master emulator?
I do know about
BtScanParameters scanParams = new BtScanParameters();
scanParams.ScanType = BtScanType...
Hi, Nordic
Now, I have one nRF24 Dongle, two nRF52 devices.
two nRF52 devices will send data to nRF24 via ESB(gzll), but need to pair.
Can two nRF52 devices can pair...
What is the most energy efficient microphone input method, PCM via I2S or PDM. Does the SoC have a special HW handling of the PDM format for converting to PCM? Does the filtering...
Hello,
I am developing custom HAL driver for TWIM in NRF52 (PCA10040). The problem is that after the slave device stretches the clock signal, ninth period on SCL clock is...
Hi, i use the original ble_app_template (sdk11) with two lines of code added by me (See below) which erase the last page in flash (flash_page_erase((uint32_t *)(pg_size *...
Can you tell me what is the main different between nRF52832 and nRF51822 and can you send me following information about these products and nRF51822 Bluetooth Smart Beacon...
Hello ,
I'm working on custom board, I'm trying to disconnect from the Central (Andriod app) when the battery is below certain level and stop re-advertising.
Below is...
Hi all,
Is it posible to set notify and read for one characteristic ?
I ask because Android offer me read or notify method.
I need read value from characteristic on Android...
Hi,
I am trying to implement dfu in one of my application, I am following the instructions detailed at this link , but I am meeting the following problem :
When I tried...
I am using the timeslot API and softdevice to advertise two separate types of message. This works well. But I have also used ble_radio_notification_evt_handler_t in an attempt...
