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...
Hi,
I can use the SPI master functionality within nrf_drv_spi.c/.h just fine (i.e. calls from main) until I connect to my nRF52840 and utilize NUS. If I try to issue a nrf_drv_spi_transfer...
Hello,
I am working to implement the BLE stack for a HID keyboard, borrowing/based off the supplied example "ble_peripheral/ble_app_hids_keyboard".
Stack initialization...
In SEGGER Embedded Studio I am not able to connect to the J-Link anymore.
The error message says No idcode detected.
The J-Link commander program returns the following...
The SysTick port for NRF52 does not support tickless idle on freeRTOS, what is the reason for this limitation? Are there any known problems behind this limitation?
I tested the code below to make the board go to sleep and wake up on each button press. When I start, it draws 30ua, but when I press the button it shoots up to 200ua (a clear...
Hi,
We are developing nrf9160 sensor based product powered by primary battery(non rechargeable). Sensor current consumption is less than 1 mA.
while trying Saft LS14500...
Hello,
How can i put out the received Adv Data on the UART? Currently I get for every advertise packet the BLE_GAP_EVT_ADV_REPORT in my ble_stack_handler. Then i wanted...
I'm using the ble_app_hrs example code and added a new custom services with multiple characteristics . conn.interval 10ms- 15ms and need to get maximum throughput so i set...
I have nRF52840 DK (board PCA10056) . Right now I flashed LED blinking program on nRF52840 DK. It is fine.
Now I want do ADC operation, so I fed some external analog signals...
Hello, I am trying to send and recieve data with the M24C32-FMN6TP 32 Kbit (4K x 8bit) eeprom. My data are arrays with 16bit values and the datasheet says it cannot write...
Hi,
I have nrf9160 dev board.
It seems to me that getaddrinfo() has memory leak. If socket is closed, and call getaddrinfo() to reopen, it returns -10 (memory) error....
i'm looking for support in desinging modules working in zigbee network with driving this network from mobile phone by bluetooth. It has to be multiprotocol system. How should...
Hi,
I was trying to load the sample example code for Assets tracker in SEGGER Embedded Studio for ARM V4.20a but i encountered with some error.
Transcript & Output:- ...
Hi everyone. I've implemented kind of simple FW updater. The purpose is to copy FW from flash (0x0 address, no MBR or SoftDevice) to RAM buffer on node1. than send this FW...
