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...
Hi all, I'm working on experimental_ble_app_buttonless_dfu project in sdk13-alpha using pca10040 board. I just compiled experimental_ble_app_buttonless_dfu successfully for...
Hello all,
I am implementing an energy efficient system, in which I am advertising in BLE_GAP_ADV_TYPE_ADV_SCAN_IND mode, I am using scan_req_report as an acknowledgement...
I'm trying to following example of nRF51_SDK_v12 OTA-DFU Example , but there are no support with BLE400 at all. (BLE 400 has nrf51822 QFACA1 1536EK Chip on it)
I think...
Hi Nordic Team,
Please I would like to ask how can I globally identify my device (nRF51822) based on its address?
Assuming that:
The address type of nRF51 is...
Hi all,
Is it possible to place your own antenna into nrf51822 bluetooth smart beacon kit? if it's possible, how am i going to do it?
am i suppose to remove the antenna...
I made a custom BLE device using nrf51822 and need to do DFU from remote place.
The BLE device is connected using USB to windows PC.
The Serial bootloader examples are...
I am using the nRF52840 Preview DK with BLE 5.0. In the BLE ATT_MTU Throughput Example,I use several api such as sd_ble_gatts_value_get and so on,but i still can not read...
Hello,
I'm using several gpiote interrupts in SDK 12.0.1.
I want to know the max number of low power input pins.
My configuration in sdk_config.h is like below.
thanks...
Hi,
I need to read more than 3 or 4 Bluetooth Heart Rate Sensors (like chest strap, arm band, and so on)... I need to do this using Arduino and some library.
Could someone...
I'm using the ble_app_hrs_adc_battery_measurement example ADC code in my project
However, I don't understand what these lines do
github.com/.../main.c
As far as I...
I am trying to add spi communication to the twi_master_with_twis_slave project because I need to communicate with two different sensors. I have included nrf_drv_spi.h and...
Hi,
in the NRF52832 documentation the TX chain delay is 0.6 µs while the RX chain delay is 9.4µs.
Does that mean if transmitting two packets in a row to the same receiver...
Hello everyone,
I have been using nrf52 IoT SDK for MQTT implementation. Everything works fine as long as I am publishing or receiving only one character i.e.
param...
In Bluetooth Spec (CoreV5.0, Vol6, Chepter6, Section1) it is mentioned that the random private address is generated periodically by a timer handler. I could not find any mention...
1.specification says that we should trigger EP0STATUS task to initiate the status stage for control transfer(read/write).
actually nrf52840 will auto ack the OUT TOKEN...
