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,ALL
there are two 'uart_event_handler' function in the project.
one in main, and the another in the app_uart_fifo.c
with the source code, i think when i input...
Hi everybody
I make an application which combine ANCS and NUS services on my device (nrf51 SDK 9.0.0,softdevice 8.0) This application works properly when I use IOS device...
Could you explain why 8 reload registers exists. Its use and use case. Since I believe we need to reload every register each time we have to reset counter.
I have a rare issue where my device won't advertising as it is waiting for a Pending Flash event to clear. However I want to add a supervisor time-out to this. It is safe...
Hi ,
I am getting error in pstorage_store function .
On further digging function
if ((!is_word_aligned(p_src))) is returning the error.
What does this function check...
I use nrf51822qfaa,s110 v8.00,keil MDK IDE. If the program is wrong,The chip will reset, I want to save some data to the FLASH area before the chip reset. What I need to do...
The example DFU project (dual_bank_ble_s110) for NRF51422 seems to work just fine on my custom board that has NRF51822. Is there a problem to use it like that if I set the...
Dear community,
I'd like to report a problem on the Direct Test Mode software provided in nrf51 SDK v6.1.0.
In this mode, 2-bytes commands are transmitted over the serial...
Whenever I try to run the following Convolution function for the 12th time in my code, the Processor is halted and I get the following Error on console:
Performing single...
According to this example, the device should be advertising RX and TX Characteristics. I also believe that when I connect to the UART app using my iphone, I should be able...
I have been successfully using my nRF52 Dev Kit (PCA10040) for the last few days. Today, when messing around with the UART drivers, I seem to have messed up the JLink-OB....
Hello,
I have an NRF51822 beacon board and two small 0.96" OLED displays (does not matter for me which one o use). One with GND, VDD, D0, D1, REST, D/C, CS and VCC pins...
I'm on windows 8 using the 1.0.1 sniffer application and wire shark 1.10.14 64bit with a Nordic nrf51 dongle. I'm using an nrf51 dev board with ble_peripherals/ble_app_blinky...
with nrf51 there is 2 blocks (block0 for softdevcie and block1 for user data and stack). I configured the system to retain RAM before going down using sd_power_ramon_set(0x00030003...
Hi,
I have a device that is configured to work in GAP central role. This device only scans for specific advertisements from specific devices. Could you suggest how I can...
