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'm done with the hardware interface of my current project.
Right now I have a service running with a custom UUID, by writting this characterisitics you have access...
Hi,
I'm having the purpose to use nRF51422 /ANT to connect a relatively data hungry ANT device. The nRf51422 specs expose three programmatically available data rates : 250...
Hi,
I've written a nRF51 SWD-JTAG programmer.
I want to enable it to check for minimum softdevice version and error out if a too-old softdevice is found.
It is easy...
I want to communicate four same devices with different hosts. i know that one host can communicate to seven devices and also a device is able to speak different hosts . i...
Thanks for the response. As a test, I loaded the same code onto a PCA10004 and it seems to work as you described. A breakpoint at 217 does get triggered when it receives data...
I have been perusing the source to micro-esb, and it appears that it wants exclusive access to the NRF_RADIO interrupt(RADIO_IRQHandler) and things are designed so that only...
Hi,
i need to save an array of 50 kB on the nrf51822 flash. I only need to read the data stored in the array. I come from the PIC micro world where i simply need to initialize...
Hi,
On peripheral side i have S110 device with ble_bas service and custom base service. Both have notifications.
On centrasl side is S130. After discovering services i enable...
I want to use the pca10001 to communicate as a master to an accelerometer, but when i use the function spi_master_open i get a NRF_ERROR_NOT_SUPPORTED error. I get no clock...
Hi everyone.
I am working with nRF51 to make two BLE device, One act as cetral and another as peripheral.
I have implemented almost functions that the two devices are...
Hi,
Do all NRF51822-DK (development kit) have the same silicon build revision? If not, which distributor should I approach for the latest revision and is there a specific...
I have encountered a problem with the IAR linker where I run into a 32k code-limitaion, even though I have a licence with no limitations. According to IAR, the problem may...
I was playing around with examples and decided to implement a custom service that sends the RSSI as a single-byte characteristic value. Here's the init function:
static...
Hi,
I'm trying to connect to BLE and send data on UART. I'm using nrf51422 with softdevice s310 and SDK v5.2.0.
The following code gives me error 3003 which I figured...
