During my development, I found NRF5 SDK only supports symmetric RX/TX data length settings.
Here is the on_data_length_update_request_evt in nrf_ble_gatt.c file.
static...
Hello,
I am working on a project that will require external flash. Is there an example program compatible with the following external flash device?
M95P08-I - Ultra low...
Hey,
the USB connection to my nRF54L15-DK isn't working anymore.
It is not showing up in nRF Connect Desktop and I can't find it under /dev/tty... or /dev/cu...
The...
I am relatively new to embedded and am wondering if there was a "best practices" guide / checklist for production deployment somewhere. Things like making sure you are using...
Hi. I'm trying to write a simple MQTT app. I am consistently getting these KConfig errors to do with variables I'm not using, and I have tried to set CMake to ignore these...
Good day,
I've developed a board with a MDBT50Q on it. I'm using the Reg0 DC/DC and LDO Mode Disabled reference circuit ( https://www.raytac.com/download/index.php?index_id...
Hi,
I have the issue that my Zigbee device reports the error "Production configuration is not present or invalid (status: -1)". I followed the guide from this( https://docs...
Hello!
I need to read a string from UART, there's code below:
unsigned char GetChar(void)
{
while(!RI)
;
RI = 0;
return SBUF;
}
int Readfstr(void)
{
char...
Hardware: Rigado BMD-200 B using the nRF51822_xxAB
Bootloader: dfu_dual_bank_ble_s110_pca10028 with the device set to nRF51822_xxAB
Softdevice: S110_nRF51_8.0.0
DFU Tool...
I'm trying to use BLE library for python to communicate with one Nordic nrf51844 chipset. Because one characteristic is notification enabled, I need to enable notification...
Does there exist a white paper describing some typical PPI use cases with coding examples? The only one I've found is the peripheral/gpiote example and it is severely lacking...
Updates are moved to the end of the question
I created a modified version of pca10028.h and boards.h and have preprocessors changed so that the following new config is...
I example test ble_central and ble_peripheral of ble_app_uart.
Radio TX and RX test is OK.
It confirmed the data communications relating to uart_event_handler function....
I'm trying to get a time stamp using app_timer_cnt_get(&ticks), but the ticks always equals 0. And I have called APP_TIMER_INIT() to init the app timer. I have no idea why...
Hi everyone, I have been given a nRF51-DK board and I should use it to send data retreived from a sensor to it through Arduino, to finally receive it in my cell phone. I am...
Hello everyone,
I'm brand-new here. I have developed quite a bit of software on desktop PC's, but this is my first experience with embedded programming. A few weeks ago...
Hi Team,
So I downloaded the new nRF Connect for OSX. I inserted my PCA10031 nRF51 dongle into my USB port and the relevant lights lit up. However nRF Connect does not...
I am quite new to embedded firmware development and definitely just two days old into Nordic nRF52 development.
I want to just setup a 25% duty cycle clock output on GPIO...
Hi,
I have a very sophisticated program on nRF51822 with SD120 which uses SPIS (as an RX for another board) and UART. I used "spi_slave_example" as a base program.
I am...
Hi, in the (not great) mBed PWM driver, when setting up GPIOTE to toggle the output pin they do this:
/** @brief Function for initializing the GPIO Tasks/Events peripheral...
Hi,
I have a application that needs to advertise only for 120 seconds and on change in values of accelerometer , it needs to start advertise again.
presently i have a...
Hi,
I've been using these parts for a few years (the 51) and recently did some work getting the boot loader to be joined together with the application into a single burnable...
