I'm using Softedevice 6.0.0 and SDK 5.2. and Keil 4.7.
I Modified bootloader project so it compiles with both ble and hci transports. Currently I use button_0 and button_1...
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...
Hi,
I can't find any data on the analog comparator delay in the datasheet. Except the 15 us for anadetect signal. Is this the delay through the comparator for normal signals...
Hi,
I am developing some DFU OTA firmware for nRF51822, QFAAH0 (v3 silicon, 256kB ROM, 16kB flash), on a custom board, using SD110v8. Both my application and bootloader...
I am playing with the nRF52-DK preview and I noticed the samples in the 0.9 SDK are set to 32k of RAM. I increased it to 64k as per the chip specification and had no problems...
Hi,
I'm in a situation where I need to get two devices communicating using S110. I am aware that I can send using S110 and I am only referring to small transfer sizes....
Hi,
I meet a very strange situation when I tried to wake up nRF8001 from sleep.
I send 0x05 to nRF8001, it replies me ACI command 0x40 is unkown (0x82).
I have checked...
Greetings,
I recently bought an nRF51 dk and was trying to see how to implement the AVRCP profile to play/pause music on a smartphone.
After some research, am i correct...
I measured the conducted power on the PCA10028 demo board and get ~2dBm out when I set the output power to +4dBm. It appears the PCA10028 is using a discrete balun. Is 2dB...
Hello,
Setup:
SDK 9.0
SD 8.0.0
I have an application where we are using Pstorage to store persistent system settings.
When I flashed the device we were using this...
Dear All,
I'm a beginner in programming of Nordic component.
I try to synchronise the date and the time between client which is an application in PC and a component...
I'm currently developing a concurrent central/peripheral application using the nRF51, S130 and SDK 9.0.0. It uses the Nordic UART Service, and it would be nice to make use...
Hello,
Is it possible to use EasyDMA directly with nRF52 SDK without using one of the higher level libraries that use it, i.e SPI / UART? I am interested in implementing...
Hi:
I want to let link manager controllby by me. for example, I want to ask link manager to emit such LMP_test_control, LMP_activate command via HCI. how to do by nRF51?...
Hi:
for nRF51
I want to send command to link manager by HCI command ,or example LMP_test_control, LMP_Activate , etc. Could I modify firmware to do it ?
thanks;
All...
Hello,
I have an issue that I can't seem to sort out involving the PWM module. I am currently using SDK9.0 and SoftDevice S110 V8.0 and I am using the stock PWM files from...
I have a nRF51DK. And I would like to be able, to enable/disable the softdevice with 2 buttons.
Button 1 on nRF51DK --> Enable Softdevice
Button 2 on nRF51DK --> Disable...
