My sensor is off-standard,so I have to use gpio to read and write my sensor.
Gpio IIC will take about 0.5ms to get data.
My app need send data every 7.5ms,it seems that...
Hi,
My android Proximity application fails on service discovery only for the very first time it connects with the devices(nrf51822 evaluation kit with sdk 5.2.0). Actually...
Has anyone converted the app note AN34 DTM Python script to C# or C/C++ ?
The Python DTM script is works OK with the setup specified in the app note AN34 figure 2, which...
Hi,
I have a serious problem, when I use uart of NRF51822 QFAAC0 to receive data from another MCU, I found that it will lost one bit at same position everytime. my SDK is...
Hi,
I just started to interface the lcd display with nrf51822 evaluation board. The display i'm using is, spi compatible, 18" tft (160x130) from tiny lcd. I took spi master...
Hi,
We are using the nRF905 device in an application where it needs to switch between auto-retransmitting and sending single packets, due to it communicating with several...
Hello,
I am trying to remove the use of the frame pointers for bootloader_util.c because I am getting the error : "r7 cannot be used in asm here", but I only know how to...
I use nRF51822( BLE nano) central mode to connect annother BLE nano (ibeacon mode), then I call disconnection to the peer address. Sometime, the disconnection callback will...
hi,
i am trying to send data using ble_uart app.
in this app i am using timer difference to send data. when i am getting 1st data in uart event handler. when i am printing...
I would like to implement DFU OTA updates without the Master Control Panel, and I have a couple questions:
Is there example code for the client-side of the DFU service...
Our personal phones are set to auto-update iOS apps. Unfortunately our team all got the latest version of the NRF Toolbox app (v2.5) released on February 5th, 2016.
Previously...
hi,
i want to execute a block of code in which timer should start. and stop at end of the block. and the timing depends on manual interrupt. and restart again when the execution...
Im using a board that is not one of the officially supported nRF51822 boards. Im trying to get the ANCS example project to work, but It wont broadcast or even turn on the...
hi,
i want to append data before sending. i am using ble_uart example.
here suppose the data is available on uart buffer at 1data/sec. i want to sent some timer/counter...
SDK 4.0.0-2.alpha
When run garbage collection, sometimes invalid offset on new page is present.
Adding next string fix this.
m_swap_page.write_offset = FDS_PAGE_TAG_SIZE;...
Hi everyone,
somebody recently told me that the PWM library as part of the current nRF51/5 SDK (v10 or v11) is more like a hack?
Since the docs fail to mention specifics...
I would like to know whether the amount of connections for BLE is limited by BLE spec, chip or stack (soft device)?
Also, same question regarding the possibility of the...
Hello,
I need to change my advertising Message periodically. In detail message (A) is sent in every 100ms and message (B) ist sent every 3000ms.
I defined 2 timer: ...
I noticed the nrf52-DK pca10040 comes with different ic revisions.
infocenter.nordicsemi.com/index.jsp
Where can I buy the pca10040 and be sure I got the latest in revision...
Hi!
I'm experimenting with a bare-metal implementation of SPI connectivity among two nrf51 modules. One of them is master, another is slave.
The problem is, the below...
Hi All,
In Flash read am facing one issue .
Am writing some data to Flash and trying to read back, But when I read back I get some corrupted data or am not able to read...