I'm having some trouble successfully entering ON,IDLE mode. I have pared-down my application to do the following:
Initializes the app_timer using the scheduler:
...
I want to control GPIO toggle by PPI. Timer1 is in timer mode. CC[0] is 1000, and CC[1] is 8000.
I use compare[0] to toggle gpio18 by PPI. I also want to use compare[1] to...
Hi,
I use two evk board to connected and test the uart serialization sample(ble_s110_serialization), one is ble_app_hrs and one is ble_app_connectivity. But I have one...
I am getting get BLE_EVT_USER_MEM_REQUEST and BLE_GAP_EVT_CONN_PARAM_UPDATE event, when writing to ble device, sample code did not handle these event, and seems no document...
Hello:
Why do I erase SDK5.2 version of flash and read not, in SDK4.2 can. I tested nrf51_sdk_v5_2_0_39364\nrf51822\Board\nrf6310\flashwrite_example is a good example.However...
before i write the flash, it has been erased.so ,its value is all 0xff.
when i write 0x00 to flash address 0x0001,the value read out is not 0x00 but 0x01,and the value in...
I am using 3 nrf52 DKs with S132 and SDK13 to try and implement a combination of the multilink and UART examples. I started with the ble_app_uart_c example and added the relevant...
Hello! I try to use three modules with chip nRF24L01 to syncronize two slave devices by one master device without wires. Required accuracy is about 10 nanoseconds. My idea...
We have an external interrupt every 4ms that collects one 24-bit sample from an analog front end via SPI. After Collecting 6 samples (18 bytes) we send a notification with...
We are obtaining a license from bluetooth SIG to import to the States Bluetooth smart trackers we bought from China. They are made using nRF51x22. How can we find the Controller...
Hello Guys,
I'm working in a project and I wanna turn off the radio "ble" and go to sleep, deep sleep to save the power, the current consumption while it's connected is...
I want to use the Launch App message as well as the Text Record Message together, so that when my app is launched, I can also access the message that will give me something...
Hello Fellow developer,
I go a BLE product that is linked to an Android and iOS APP.
The main use case of the product is to be used without touching the phone (while...
We plan to use a nrf51 board which has a button that can switch the ble mode between the master mode and slave mode . Is this plan feasible? Thank you!
Hello, I'm new with the nRF51-DK-Board .
At the moment I test the hid keyboard example. The connection with Android and Windows works fine, but with my MacBook it don't:...
Hi,
I use nRFgo Studio(v.1.21.2.10 win7 x64) "Program Application" to program the combined file(SD+Bootloader+application), it will indicate an error as the attachment...
Hello,
There is an issuse in my project that using nrf_gpiote_drv lost interrupt.
SDK: nRF5_SDK_13.0.0_04a0bfd
Chip: nRF52328_xxAA
Board: PCA10004
There is two...
Hi,
I am developing on NRF51822 custom board but I had a problem on how to init TWI driver to communicate with MPU6050.
In short, when receiving a BLE_CONNECTED event...
Hellow,
I'm using app_timer to play the buzzer.
The default behavior is
1. key in
2. timer start: 8Sec for key action stop check
3. Buzzer on (pwm1)
3. buzzer...
