RE: low power in advertising

bjorn-spockeli — Tue, 26 Jun 2018 08:05:51 GMT

Hi Marco,

the ble_app_uart example is a good starting point, but note that it enables the UART peripheral and the nRF Logging module.

I assume that your using SDK 15, so in order to reduce the current consumption of the ble_app_uart example you will have to disable these, i.e. set the following defines in sdk_config.h

NRF_LOG_ENABLED 0

NRF_LOG_BACKEND_RTT_ENABLED 0

and comment out

uart_init();

printf("\r\nUART started.\r\n");

in main().

A better choice might be to use the ble_app_template example which that does not enable logging or use any of the HW peripherals in the application code. It only advertises at a given interval and goes to low power mode in between advertisement events.

Best regards

Bjørn