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 managed to get the SPIS block working using standard sets of read and transmit buffers. This all works.
I am now trying to use the ORC register to send a single...
I am wondering how you put the nrf51822 chip to sleep. I've determined that the way to do this with the soft device is sd_app_event_wait() in the while loop. What about non...
Hello
I've been trying to create a simple BLE observer that outputs the nearby devices data onto the serial port using a PCA10001 board.
For this, I'm adapting the code...
Hi - I'm using the 51422 dfu bootloader from the nrf 6.0.0 SDK and it works fine with the iOS apps, I can send both .bin and .hex files to the device and it works fine. However...
Hi,
I am using nRF51822 evaluation kit. I want to develop GPIO isr (GPIOTE_IRQHandler) which can handle multiple GPIO interrupts. I have tried to enable the GPIOTE_IRQHandler...
Hi!
When using bootloader, I cannot update application data from Keil (for example for debuging), because after restarting bootloader is loaded and
!bootloader_app_is_valid...
Hi,
I have been using nRF51822 with my Android app using Android's Bluetooth Low-Energy APIs.
In order to get more details, I am currently working on integrating the Android...
EDIT:
I'm using nRF51422-QFAA E00 and S310 v1.0.0, SDK - nRF51 5.2.0.
I'm starting HFCLK from externall crystal for ADC conversion. Since I have no SD enabled everything...
I was using the sniffer to get a trace of the ble_proximity example for the NRF6310 DevKit, and noticed some Attribute errors when the Master Control app attempts service...
nrf51sdk v5.2.0
I am adding ANT service to our BLE application
To begin i building the BLE application and bootloader with the s310 softdevice.
I have modified keil...
Hi,
I have updated my nRF51-SDK to the latest version 6.1.0. I'm using PCA10000 dongle, nRF6310, PCA10004 and Master Control Panel for Windows. I've programmed my nRF51...
ble_gatts_attr_md_t* p_cccd_md; /**< Attribute metadata for the Client Characteristic Configuration Descriptor, or NULL for default values. */
What's the default value...
Hi
I'm trying to set up a 1ms tick timer using TIMER_1. In other words: every 1ms, I have to increment a tick counter, and to perform several operations. When SD is not...
Hy
I m new for here, and i would like to ask for help for you.
I have a nrf51822 QFAAC0 development board, form chine PTR9018 with 16k oscillator.
I use SDK 4.4.1,...
