unleashed-firmware/applications/main/subghz/scenes/subghz_scene_edit_cnt.c

#include "../subghz_i.h"
#include <lib/subghz/protocols/keeloq.h>

#define TAG "SubGhzEditCnt"

void subghz_scene_edit_cnt_byte_input_callback(void* context) {
    SubGhz* subghz = context;

    view_dispatcher_send_custom_event(subghz->view_dispatcher, SubGhzCustomEventByteInputDone);
}

void subghz_scene_edit_cnt_on_enter(void* context) {
    SubGhz* subghz = context;

    // Setup view
    ByteInput* byte_input = subghz->byte_input;

        byte_input_set_header_text(byte_input, "Enter COUNTER in hex");
        byte_input_set_result_callback(
            byte_input,
            subghz_scene_edit_cnt_byte_input_callback,
            NULL,
            subghz,
            subghz->secure_data->cnt,
            4);
    view_dispatcher_switch_to_view(subghz->view_dispatcher, SubGhzViewIdByteInput);
}

bool subghz_scene_edit_cnt_on_event(void* context, SceneManagerEvent event) {
    SubGhz* subghz = context;
    bool consumed = false;
    uint32_t cnt;

    if(event.type == SceneManagerEventTypeCustom) {
        if(event.event == SubGhzCustomEventByteInputDone) {
            cnt = subghz->secure_data->cnt[0] << 24 | subghz->secure_data->cnt[1] << 16 |
                           subghz->secure_data->cnt[2] << 8 | subghz->secure_data->cnt[3];
            FURI_LOG_I(TAG, "cnt = %08lX", cnt);
            if(subghz_protocol_keeloq_edit_cnt(subghz->txrx, cnt)) {
                FURI_LOG_I(TAG, "Hook func from scene to protocol OK");
            };
            
            scene_manager_next_scene(subghz->scene_manager, SubGhzSceneTransmitter);
            consumed = true;
        }
        memset(subghz->secure_data->cnt, 0, sizeof(subghz->secure_data->cnt));
    }
    return consumed;
}

void subghz_scene_edit_cnt_on_exit(void* context) {
    SubGhz* subghz = context;

    // Clear view
    byte_input_set_result_callback(subghz->byte_input, NULL, NULL, NULL, NULL, 0);
    byte_input_set_header_text(subghz->byte_input, "");
}