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 am using nRF51822 as a ble_peripheral to send the sensor data to the phone. I already add a characteristic with the property of notify , and it could work when using...
Hello,
I've been working with the SPI Slave on a nRF51-DK for several days. I am using the nRF51-DK (PCA10028), S130 v1.0.0 and SDK v10.0.0. First, I set up a RX and TX...
D:\nRF51822\mergehex.exe --merge D:\nRF51822\s110_nrf51822_7.0.0_softdevice.hex _build\ble_app_hrs_s110_xxaa.hex --output hrs.hex
I am doing it.But one of the files to...
hi i am working on nRF51822 chip, trying to flash code using keil IDE through STLink debugger. which i have attached image . while flashing the code it is showing Flash is...
I have a peripheral that pairs to a central and establishes a connection (without bonding) without any trouble. When I disconnect the central (e.g. cutting power to the central...
Hello All,
For the S120 softdevice active scanner, it appears that when ADV_IND is received and a scan request/response exchange occurs there will be two BLE_GAP_EVT_ADV_REPORT...
Hi,
I am getting the NRF_ERROR_INVALID_STATE error when I call dm_security_setup_req in my security timer timeout handler. The function's description says I'll get this...
Hi,
I would like to store firmware version number at a particular offset from the application start address so that it can be retrieved by boot loader as explained here...
The comment in dfu_init_prevalidate says the following
// To support application versioning, this check should be updated.
// This template allows for any application...
Hi,
As far as I know the ADC pins can be used as digital inputs. Is it the same with NRF9E5? I could not find anything like pros/cons. Datasheet doesnot say anything about...
Hi,
i have been struggling with UICR Config in nrf52. The code:
NRF_NVMC->CONFIG = (NVMC_CONFIG_WEN_Ren << NVMC_CONFIG_WEN_Pos);
while (NRF_NVMC->READY == NVMC_READY_READY_Busy...
Dear nordic.
We are developing nRF51822 with S120 as central.
When advertising from Peripheral, RSSI value is changed it's position.
Measured RSSI range is -60 dBM...
Hi,
I am trying to get the sniffer to work on my new Win10 machine.
I am using the PCA10001 board.
I have tried:
SEGGER: 6.00g and 5.12f
Wireshark: 1.12.x,...
Hi to everybody,
I have configured the nrf52 DK (SDK 11) with FreeRTOS and the UARTE with a DMA buffer of 16 bytes and it works. The problem comes when I don’t want to...
