When I was using the device as peripheral, I was wondering when the Softdevice notified BLE_GAP_EVT_SEC_PARAMS_REQUEST and BLE_EVT_SEC_INFO_REQUEST:
1, when peripheral...
hi dear nordic employee:
I tried to build the project ble_app_hrs_c（pca10040） by keil5
but I get an error :
._build\nrf52832_xxaa.sct(7): error: L6236E: No section...
Hi,
I am a bit confused about power consumption when using app_uart_fifo. To save power I put MCU to sleep in between each sent and received byte by using __WFE and __SEV...
Hi! I am building an android app for my project. I am using Proximity , UART and DFU from nrfToolbox app. I have 3 buttons on my home screen dedicated for each of them. I...
Dear Nordic employee:
1、 what do I have?
I have a thingy52 develop kit（nrf52832）
2、what is my purpose?
the quality of thingy52 audio demo is not good（iphone7）...
Hello Nordic,
My development environment:
SDK>> NRF51822_SDK10, SoftDevice>> S130
Example>> ble_app_uart
I am looking forward to your reply!
Thanks.
Best Regards...
Dear friends,
according to "nRFConnect_BLE_User_Guide_v2.0", to set up a local device,i should complete the following steps:
Connect a development kit or dongle to...
In one of the recent Nordic Semi tour videos on YouTube, it was announced that FreeRTOS and RTX will be available in the nRF52 sdk. It's not present in v0.9.2, though there...
Good day,
we would like to use a central and a few (4) peripherals. Peripherals would stream small chunks of data (few bytes) very frequently (10-50Hz). What are the drawbacks...
To reduce power, I'm trying to find the best approach to minimize the cpu load when sampling an accelerometer at a high rate, e.g. 1.6Khz. Is there a way to DMA a sensors...
I am writing a crc checker for the application and the softdevice . I am using a s120 version 2.0.0 it currently has a upper boundary of 0x1D000 is this a hard boundary for...
Hi everyone.
I am making an application which combines two services (ANCS and Nordic UART). I compare the advertising_init() function from the two provided examples (ble_app_ancs_c...
Hi,
I've been searching the devzone for TWI examples, and preferably an example with MPU6050. Here are a conclusion of stuff that I found, but as some of them were for...
Hi ,
I tried to upload the application firmware using OTA service through MCP, I successfully get connected and the transferring of application hex file also gets successfully...
Hi Guys,
once again, I have strange behavior of my code.
In my code I try in loop after ble_event received change PWM from 0 to 255 for my motor device. In debug logs...
Dear,
Please, could help me ?
My knowledge in RF is basic.
I am developing a system to use 8 RF channels (nRF24L01 +) simultaneously.
I'm using Balum 2450BM14A0002...
Hi,
I’ve just ordered a few nrf51822 (from seedstudio ) and waiting for them to arrive.
They come preloaded with SoftDevice 6.0 or 7.0. with a pre-flashed OTA boot loader...
Hello, I am trying to connect a Nexus 6p running Android 6.0 to the NRF52 dev board. I have tried numerous ble examples in the SDK, but nothing ever appears in the nRF Master...
So if I start a program in debug mode some zero-inited static variables are non-zero.
ldr r1, =__etext
ldr r2, =__data_start__
ldr r3, =__data_end__
subs r3, r2...
I'm attempting to use the app_trace module. I've set it up as follows:
int main(void)
{
// Setup tracing. Also sets up UART.
app_trace_init();
app_trace_log(...
Hello,
I know that this question has been asked a few times, but I am a little desperate after trying to get debug logging over the Virtual COM Port to work. Here are the...
