APP_ERROR_CHECK(err_code);#endif// TRACE_UART#ifdefined(TRACE_GPIO)// Configure pins LED_0 and LED_1 as outputs.nrf_gpio_range_cfg_output(SDM_GPIO_START, SDM_GPIO_STOP);// Reset the pins if they already are in a high state.nrf_gpio_pin_clear(SDM_GPIO_0);nrf_gpio_pin_clear(SD...