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...
I have been trying to establish a link that will feed sensor data into my com port via a Bluetooth uart bridge. I got my closest today by doing the following.
Load SDK10...
I'm having trouble making a single bank dfu mode with 128k NRF51822 chip.
Here's the problem;
Works fine when everything(SoftDevice, Application, Bootloader) is all...
Hi,
I am a newbie to Nordic BLE.
A make error occurs when building the heart_rate_collector example code of nrf51-ble-driver_linux_0.5.0 on my cross compile environment...
Good morning, i have windows 7 and at this moment i have installed "Gnu tools for ARM embedded Processors", "GnuWin32 ‐ GNU Make utility", "GnuWin32 ‐ Core Utility", "nrfgostudio...
Hello,
on our custom hardware design, the hardware reset won`t be executed after programming with nrfjprog.exe, until complete new boot with disconnecting Vcc.
After reconnecting...
We are going to use nRFgo - Bluetooth direct test mode to evaluate the nRF51 device RF performance, and we need to load the DTM (Direct test mode) application to the device...
Hello
I have an nRF51822 serving as s supervisory micro for an embedded Linux board. Two GPIO pins from the main CPU are hooked up to the nRF51822 to implement SWD for...
Hello.
I'm using nRF51822, nRF51_SDK_8.1.0, and looking for same useful sample code for ble central with HoGP (HID over GATT Profile).
please let me know where is it...
Hello,
Is there someone to confirm than Keil MDK-Cortex-M edition is OK to develop app on nRF51 and nRF52 Nordic chips or do I use MDK-Standard?
www2.keil.com/.../
Hello everybody,
Maybe some of you using Eclipse and GCC have encountered the same problems when you try to start a debugging session.
First of all: If you have Bluetooth...
Using and GCC with compilation options without optimization -O0 and with debug -g3 throw error during compiling for an unknown function pwm_calculate_timer_frequency .
...
Hi,
I can't seem to get printf working on the ble_app_cts_c example. I can't seem to find a definitive step-by-step guide as to how to get this working. Any help would...
Hi,
On what occations do the BLE_GAP_TIMEOUT_SRC_ADVERTISING and BLE_GAP_TIMEOUT_SRC_SCAN events fire? The documentation is a tad ... terse .
regards,
Elm
