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static const uint32_t gpio_toggle_ch = 0;

static const uint32_t ppi_set_ch = 0;

static const uint32_t ppi_clr_ch = 1;

// Configure SoftDevice PA assist

ble_opt_t opt;

memset(&opt, 0, sizeof(ble_opt_t));

// Common PA config

opt.common_opt.pa_lna.gpiote_ch_id = gpio_toggle_ch; // GPIOTE channel

opt.common_opt.pa_lna.ppi_ch_id_clr = ppi_set_ch; // PPI channel for pin clearing

opt.common_opt.pa_lna.ppi_ch_id_set = ppi_clr_ch; // PPI channel for pin setting

// PA config

opt.common_opt.pa_lna.pa_cfg.active_high = 1; // Set the pin to be active high

opt.common_opt.pa_lna.pa_cfg.enable = 1; // Enable toggling

opt.common_opt.pa_lna.pa_cfg.gpio_pin = gpio_pa_pin; // The GPIO pin to toggle

opt.common_opt.pa_lna.lna_cfg.active_high = 1;

opt.common_opt.pa_lna.lna_cfg.enable = 1;

opt.common_opt.pa_lna.lna_cfg.gpio_pin = gpio_lna_pin;

err_code = sd_ble_opt_set(BLE_COMMON_OPT_PA_LNA, &opt);

APP_ERROR_CHECK(err_code);

}