#include "lvgl/lvgl.h" #include "lvgl_ui.h" #include "osal/string.h" #include "stream_frame.h" #include "other_jpg_show/other_jpg_show_stream.h" #include "custom_mem/custom_mem.h" #include "fatfs/osal_file.h" #include "keyWork.h" #include "keyScan.h" //data申请空间函数 #define STREAM_MALLOC custom_malloc_psram #define STREAM_FREE custom_free_psram #define STREAM_ZALLOC custom_zalloc_psram //结构体申请空间函数 #define STREAM_LIBC_MALLOC custom_malloc #define STREAM_LIBC_FREE custom_free #define STREAM_LIBC_ZALLOC custom_zalloc extern lv_indev_t * indev_keypad; extern lv_style_t g_style; struct lvgl_zbar_s { lv_group_t *last_group; lv_obj_t *base_ui; lv_group_t *now_group; lv_obj_t *now_ui; //这个是需要的流,但命名不一定对应,有可能通过中间流进行中转实现 stream *zbar_jpg_s; stream *decode_s; stream *lvgl_zbar_sd_s; stream *zbar_stream; }; //这创建一个由lvgl读取sd,然后发送的的数据流 static uint32_t self_key(uint32_t val) { uint32_t key_ret = 0; if(val > 0) { if((val&0xff) == KEY_EVENT_SUP) { switch(val>>8) { case AD_UP: key_ret = 'q'; break; case AD_DOWN: key_ret = 's'; break; case AD_LEFT: key_ret = 'a'; break; case AD_RIGHT: key_ret = 'd'; break; case AD_PRESS: key_ret = LV_KEY_ENTER; break; break; default: break; } } else if((val&0xff) == KEY_EVENT_LUP) { switch(val>>8) { case AD_PRESS: key_ret = 'e'; break; default: break; } } } return key_ret; } static uint32_t lvgl_zbar_stream_cmd_func(stream *s,int opcode,uint32_t arg) { uint32_t res = 0; // uint32_t flags; switch(opcode) { case STREAM_ZBAR_FROM_SD: { //sd卡读取,然后发送,arg是图片地址 //获取一个data_s struct data_structure *data_s = get_src_data_f(s); uint8_t flag = 0; if(data_s) { os_printf("%s:%d\tfilename:%s\n",__FUNCTION__,__LINE__,(char*)arg); void *fp = osal_fopen((const char*)arg,"rb"); if(fp) { uint32_t filesize = osal_fsize(fp); uint8_t *buf = (uint8_t*)STREAM_MALLOC(filesize); if(buf) { osal_fread(buf,1,filesize,fp); //发送出去 data_s->data = buf; data_s->type = SET_DATA_TYPE(JPEG,JPEG_FULL); set_stream_real_data_len(data_s,filesize); send_data_to_stream(data_s); os_printf("zbar read file send end\n"); flag = 1; } osal_fclose(fp); } if(!flag) { force_del_data(data_s); } } } break; default: break; } return res; } static int opcode_func_not_bind(stream *s,void *priv,int opcode) { int res = 0; switch(opcode) { case STREAM_OPEN_ENTER: break; case STREAM_OPEN_EXIT: { register_stream_self_cmd_func(s,lvgl_zbar_stream_cmd_func); } break; case STREAM_OPEN_FAIL: break; case STREAM_DATA_DIS: { } break; case STREAM_DATA_FREE: { struct data_structure *data = (struct data_structure *)priv; if(data->data) { //os_printf("%s:%d\tdata:%X\tdata->data:%X\n",__FUNCTION__,__LINE__,data,data->data); STREAM_FREE(data->data); data->data = NULL; } } break; case STREAM_FILTER_DATA: { } break; case STREAM_DATA_FREE_END: break; //数据发送完成,可以选择唤醒对应的任务 case STREAM_SEND_DATA_FINISH: break; case STREAM_SEND_DATA_START: { } break; case STREAM_DATA_DESTORY: { } break; case STREAM_CLOSE_EXIT: { } break; case STREAM_MARK_GC_END: { } break; default: //默认都返回成功 break; } return res; } stream *lvgl_zbar_from_sd_stream(const char *name) { stream *s = open_stream_available(name,8,0,opcode_func_not_bind,NULL); return s; } static void send_zbar_ui(lv_event_t * e) { struct lvgl_zbar_s *ui_s = (struct lvgl_zbar_s *)lv_event_get_user_data(e); //发送命令,去读取sd卡数据发到对应的流 stream_self_cmd_func(ui_s->lvgl_zbar_sd_s,STREAM_ZBAR_FROM_SD,(uint32_t)"0:1.jpg"); } static void exit_zbar_ui(lv_event_t * e) { struct lvgl_zbar_s *ui_s = (struct lvgl_zbar_s *)lv_event_get_user_data(e); int32_t c = *((int32_t *)lv_event_get_param(e)); if(c == 'q') { lv_indev_set_group(indev_keypad, ui_s->last_group); lv_obj_clear_flag(ui_s->base_ui, LV_OBJ_FLAG_HIDDEN); lv_group_del(ui_s->now_group); ui_s->now_group = NULL; close_stream(ui_s->zbar_jpg_s); close_stream(ui_s->decode_s); close_stream(ui_s->lvgl_zbar_sd_s); close_stream(ui_s->zbar_stream); lv_obj_del(ui_s->now_ui); set_lvgl_get_key_func(NULL); } } //进入预览的ui,那么就要创建新的ui去显示预览图了 static void enter_zbar_ui(lv_event_t * e) { set_lvgl_get_key_func(self_key); struct lvgl_zbar_s *ui_s = (struct lvgl_zbar_s *)lv_event_get_user_data(e); lv_obj_add_flag(ui_s->base_ui, LV_OBJ_FLAG_HIDDEN); lv_obj_t *ui = lv_obj_create(lv_scr_act()); ui_s->now_ui = ui; lv_obj_add_style(ui, &g_style, 0); lv_obj_set_size(ui, LV_PCT(100), LV_PCT(100)); ui_s->decode_s = jpg_decode_stream_not_bind(S_JPG_DECODE); //将解码的数据推送到Video P0和Video P1显示 streamSrc_bind_streamDest(ui_s->decode_s,R_VIDEO_P0); streamSrc_bind_streamDest(ui_s->decode_s,R_ZBAR); enable_stream(ui_s->decode_s,1); //显示一下要识别的二维码,还需要创建一个从sd读取jpg图到SR_ZBAR_JPG ui_s->zbar_jpg_s = other_jpg_stream_not_bind(SR_ZBAR_JPG,200,120,200,120,YUV_P0 | YUV_OTHER); //将other_jpg的数据给到S_JPG_DECODE进行编码 streamSrc_bind_streamDest(ui_s->zbar_jpg_s,S_JPG_DECODE); enable_stream(ui_s->zbar_jpg_s,1); //启动二维码的流 ui_s->zbar_stream = zbar_stream(R_ZBAR,YUV_OTHER); ui_s->lvgl_zbar_sd_s = lvgl_zbar_from_sd_stream(S_ZBAR_FROM_SD); streamSrc_bind_streamDest(ui_s->lvgl_zbar_sd_s,SR_ZBAR_JPG); enable_stream(ui_s->zbar_jpg_s,1); lv_group_t *group; group = lv_group_create(); lv_indev_set_group(indev_keypad, group); lv_group_add_obj(group, ui); ui_s->now_group = group; lv_obj_add_event_cb(ui, exit_zbar_ui, LV_EVENT_KEY, ui_s); //发送一张图片去识别 lv_obj_add_event_cb(ui, send_zbar_ui, LV_EVENT_PRESSED, ui_s); } lv_obj_t *zbar_ui(lv_group_t *group,lv_obj_t *base_ui) { struct lvgl_zbar_s *ui_s = (struct lvgl_zbar_s*)STREAM_LIBC_ZALLOC(sizeof(struct lvgl_zbar_s)); ui_s->last_group = group; ui_s->base_ui = base_ui; lv_obj_t *btn = lv_list_add_btn(base_ui, NULL, "zbar_from_sd_test"); lv_group_add_obj(group, btn); lv_obj_add_event_cb(btn, enter_zbar_ui, LV_EVENT_SHORT_CLICKED, ui_s); return btn; }