case KEY_CODE_UP: next_index = index > SET_ID_VOLUME ? (index - 1) : (SET_ID_VOICE_ASSISTANT_SWITCH); next_list = lv_obj_get_child(p_setting_win, next_index); next_bg = lv_obj_get_child(next_list,0); ws01_setting_list_group[next_index].selected = true; ws01_setting_list_group[index].selected = false; lv_obj_remove_style(list, &style_btn_focus, 0); lv_obj_set_style_bg_color(bg, lv_color_hex(0x2e3033), 0); lv_obj_add_style(next_list, &style_btn_focus, 0); lv_obj_set_style_bg_color(next_bg, lv_color_hex(0x558dff), 0); lv_obj_scroll_to_view(next_list, LV_ANIM_OFF); break; case KEY_CODE_DOWN: next_index = index < SET_ID_VOICE_ASSISTANT_SWITCH ? (index + 1) : (SET_ID_VOLUME); next_list = lv_obj_get_child(p_setting_win, next_index); next_bg = lv_obj_get_child(next_list,0); ws01_setting_list_group[next_index].selected = true; ws01_setting_list_group[index].selected = false; lv_obj_remove_style(list, &style_btn_focus, 0); lv_obj_set_style_bg_color(bg, lv_color_hex(0x2e3033), 0); lv_obj_add_style(next_list, &style_btn_focus, 0); lv_obj_set_style_bg_color(next_bg, lv_color_hex(0x558dff), 0); lv_obj_scroll_to_view(next_list, LV_ANIM_OFF); break;

reactive power.rar_L index_voltage index_voltage stability_volta

在电力系统领域，"reactive power.rar_L index_voltage index_voltage stability_volta"这一主题涉及到的是无功功率（Reactive Power）以及电压稳定性分析中的一个重要指标——L指数（L Index）。L指数是评估电力...

switch_case_program.rar_Structure_They Is Us_n-1_switch-case

This program written in matlab (.m) or matlab code is good example of switch-case statements. IF STATEMENT- The switch statement permits us to different statements based on the different values of a ...

优化一下下面代码if(vsomeip::message_type_e::MT_REQUEST == _message->get_message_type()) { std::shared_ptr<vsomeip::message> its_response = vsomeip::runtime::get()->create_response(_message); if(TBOX_SERVICE_ID_LOCATION == _message->get_service()) { _location_service_response_map.insert(pair<uint16_t, std::shared_ptr<vsomeip::message>>(_message->get_method(), its_response)); } else if(TBOX_SERVICE_ID_TBS == _message->get_service()) { _tbox_service_response_map.insert(pair<uint16_t, std::shared_ptr<vsomeip::message>>(_message->get_method(), its_response)); } else if(TBOX_SERVICE_ID_RESV_UPDATE == _message->get_service()) { _resvUpdate_service_response_map.insert(pair<uint16_t, std::shared_ptr<vsomeip::message>>(_message->get_method(), its_response)); } else if(TBOX_SERVICE_ID_XCALL_VLAN04 == _message->get_service()){ _response_map.insert(pair<uint16_t, std::shared_ptr<vsomeip::message>>(_message->get_method(), its_response)); } else { free(its_data); DLT_IVI_VLAN04_LOG(DLT_LOG_WARN,DLT_STRING("unknown service id.")); return; } }

同时，可以使用unordered_map代替多个map，将不同的服务ID对应的响应消息指针保存在同一个unordered_map中，这样可以避免代码重复。修改后的代码如下： if (vsomeip::message_type_e::MT_REQUEST == _message->...

static void SetKeyLength(HcfAlgParaValue value, void attr) { SymKeyAttr keyAttr = (SymKeyAttr *)attr; switch (value) { case HCF_ALG_AES_128: keyAttr->algo = HCF_ALG_AES; keyAttr->keySize = AES_KEY_SIZE_128; break; case HCF_ALG_AES_192: keyAttr->algo = HCF_ALG_AES; keyAttr->keySize = AES_KEY_SIZE_192; break; case HCF_ALG_AES_256: keyAttr->algo = HCF_ALG_AES; keyAttr->keySize = AES_KEY_SIZE_256; break; case HCF_ALG_SM4_128: keyAttr->algo = HCF_ALG_SM4; keyAttr->keySize = SM4_KEY_SIZE_128; break; case HCF_ALG_3DES_192: keyAttr->algo = HCF_ALG_DES; keyAttr->keySize = DES_KEY_SIZE_192; break; default: break; } }代码解析

具体地，当 value 的值为 HCF_ALG_AES_128 时，将算法标识符设置为 HCF_ALG_AES，将密钥长度设置为 AES_KEY_SIZE_128；当 value 的值为 HCF_ALG_AES_192 时，将算法标识符设置为 HCF_ALG_AES，将密钥长度设置为 AES_...

--lower_case_table_names=1 --restart always

--lower_case_table_names=1 是 MySQL 的一个参数，它表示将所有的表名转换成小写字母，这可以避免在 Linux 和 Windows 系统下表名大小写不一致的问题。这个参数可以在启动容器时通过 -e 参数设置，示例如下： ...

void Snake_Grow(body Head, int* len, body* rear, int* button) { (len)++; body q = (body)malloc(sizeof(BODY)); //将蛇增加的结点插入蛇头后面 q->next = Head->next; if (q->next != NULL) { q->next->prex = q; } Head->next = q; q->prex = Head; //插入新的结点坐标 q->x = Head->x; q->y = Head->y; Show_Snake(Head); switch (button) { case 72: Head->y = Head->y - 20; break; case 80: Head->y = Head->y + 20; break; case 75: Head->x = Head->x - 20; break; case 77: Head->x = Head->x + 20; break; default: break; } if ((rear) == NULL) //达到尾指针的值 rear = q; } void Snake_move(int* button, int* len, body Head, body* rear, food Food) { //把原来的蛇隐藏 Hide_Snake(Head); //移动蛇身 body p = (rear); while (p && p != Head) { p->x = p->prex->x; p->y = p->prex->y; p = p->prex; } //移动蛇头 switch (button) { case 72: Head->y = Head->y - 20; break; case 80: Head->y = Head->y + 20; break; case 75: Head->x = Head->x - 20; break; case 77: Head->x = Head->x + 20; default: break; } if (Head->x + 10 >= Food->x && Head->x + 10 < Food->x + 20 && Head->y + 10 >= Food->y && Head->y + 10 < Food->y + 20) { //隐藏食物 Hide_Food(Food); //更新食物位置 Rnew_Food(Head, Food); //蛇变长 Snake_Grow(Head, len, rear, button);}为什么蛇的第二个结点图形没有显示

p->x = p->prex->x; p->y = p->prex->y; Show_Body(p); // 显示每一个结点的图形 p = p->prex; } 在每次移动一个结点的坐标之后，调用Show_Body函数显示这个结点的图形。这样就可以保证每个蛇结点的图形...

static void SetKeyLength(HcfAlgParaValue value, void cipher) { CipherAttr cipherAttr = (CipherAttr *)cipher; cipherAttr->keySize = value; switch (value) { case HCF_ALG_AES_128: case HCF_ALG_AES_192: case HCF_ALG_AES_256: cipherAttr->algo = HCF_ALG_AES; break; case HCF_ALG_3DES_192: cipherAttr->algo = HCF_ALG_DES; break; case HCF_OPENSSL_RSA_512: case HCF_OPENSSL_RSA_768: case HCF_OPENSSL_RSA_1024: case HCF_OPENSSL_RSA_2048: case HCF_OPENSSL_RSA_3072: case HCF_OPENSSL_RSA_4096: case HCF_OPENSSL_RSA_8192: cipherAttr->algo = HCF_ALG_RSA; break; default: LOGE("Invalid algo %u.", value); break; } }代码解析

函数实现中，将传入的 value 赋值给 cipherAttr 指向的 CipherAttr 结构体的 keySize 成员变量。然后根据 value 的值，判断算法类型并赋值给 cipherAttr 指向的 CipherAttr 结构体的 algo 成员变量。最后，如果 ...

请用if指令改写下面程序: switch(key) { case KEY_UP_PRESS: LED2=0;break; //点亮D2指示灯 case KEY1_PR

int keyStates[] = {KEY_UP_PRESS, KEY1_PRESS, ...}; // 假设这里定义了所有的按键对应值 bool ledState[ARRAY_SIZE]; // D2和其他LED的状态数组 // 初始化LED2 ledState[LED2_INDEX] = 0; for (int i = 0; i ...

指出以下代码中的错误，int hanlde_message(int message_id) int result =0; switch(message_id) { case MSG_ID_NOTIFY: route_to_notify_thread(message_id); break ; case MSG_ID_SHUTDOWN:case MSG-ID-REBOOT: LOGI("=-====System Message %d =====\n”, message_id) send-msg-to_sys_thread(message_id); break; default: LOGE("=--== Kaka Wrone Message %d =======in" ,message_id)； break; } return result;

1. 函数声明中缺少左括号。 2. 在 switch 语句中，MSG_ID_SHUTDOWN 和 MSG-ID-REBOOT 中间应该使用冒号而不是连字符。 3. 在第二个 case 分支中，LOGI 函数的字符串参数中使用了中文的等号和括号，应该使用英文字符...

switch (op) { case IRINST_OP_ADD: // 加法指令，二元运算 str = result->getName() + " = add " + src1->getName() + ", " + src2->getName(); break; case IRINST_OP_MUL: // 减法指令，二元运算 str = result->getName() + " = mul " + src1->getName() + ", " + src2->getName(); break; //add_no2:sub case IRINST_OP_SUB: //减法指令 str = result->getName() + " = sub " + src1->getName() + ", " + src2->getName(); break;仿照这个写一个除法指令的

str = result->getName() + " = add " + src1->getName() + ", " + src2->getName(); break; case IRINST_OP_MUL: // 乘法指令，二元运算 str = result->getName() + " = mul " + src1->getName() + ", " + src...

sprintf(szVal, "%0.3f" , val); LCD_DisString((i%9)+1, 19, szVal); Pro_szUnit(DBData[i],i); if (isDraw == 1) val = LCD_BitModify(val,draw); ikey = Lcd_Recvfun2(); switch(ikey) { case LCD_KEY_UP: bit = 0; if (not == 2) { if (draw > page + 1 && draw <= line) draw = draw - 1; } break; case LCD_KEY_DOWN: bit = 0; if (not == 2) { if(draw < i) if (draw < line) draw = draw + 1; } break; case LCD_KEY_ADD: break; case LCD_KEY_DECREASE: break; case LCD_KEY_Left: if (not == 1) { change = 0; if(page < 9) continue; if(page >= 9) { page = page - 9; line = line - 9; } } break; case LCD_KEY_RIGHT: if (not == 1) { change = 0; if(line >= num) continue; if(page < num) { page = page + 9; line = line + 9; } } break; case LCD_KEY_ENTER: not = 2; bit = 0; break; case LCD_KEY_CANCEL: change = 0; if(not > 0) --not; draw = 0; if (not == 0) return; break; default: break; } } 这段代码中的LCD_BitModify函数也会运行ikey = Lcd_Recvfun2(); switch(ikey) { case LCD_KEY_UP: bit = 0; if (not == 2) { if (draw > page + 1 && draw <= line) draw = draw - 1; } break; case LCD_KEY_DOWN: bit = 0; if (not == 2) { if(draw < i) if (draw < line) draw = draw + 1; } break; case LCD_KEY_ADD: break; case LCD_KEY_DECREASE: break; case LCD_KEY_Left: if (not == 1) { change = 0; if(page < 9) continue; if(page >= 9) { page = page - 9; line = line - 9; } } break; case LCD_KEY_RIGHT: if (not == 1) { change = 0; if(line >= num) continue; if(page < num) { page = page + 9; line = line + 9; } } break; case LCD_KEY_ENTER: not = 2; bit = 0; break; case LCD_KEY_CANCEL: change = 0; if(not > 0) --not; draw = 0; if (not == 0) return; break; default:break; }怎么使它们互不干扰

要使LCD_BitModify函数和ikey = Lcd_Recvfun2() switch语句互不干扰，您可以在处理完LCD_BitModify函数后，再执行ikey的操作。例如，可以将LCD_BitModify函数的返回值存储到一个变量中，然后在switch语句执行之前先...

case BTN_ID_4: /* Start benchmark */ { next_state = STATE_BENCHMARK_RUN; break; }

这是一个 switch 语句中的一个 case 分支，case 后面的 BTN_ID_4 是一个常量值，表示用户点击了某个按钮，下面的代码是在用户点击这个按钮后执行的操作，将 next_state 的值设置为 STATE_BENCHMARK_RUN，然后跳出 ...

void button_handler(struct Button* handle) { uint8_t read_gpio_level = handle->hal_button_Level(handle->button_id); //ticks counter working.. if((handle->state) > 0) handle->ticks++; /------------button debounce handle---------------/ if(read_gpio_level != handle->button_level) { //not equal to prev one //continue read 3 times same new level change if(++(handle->debounce_cnt) >= DEBOUNCE_TICKS) { handle->button_level = read_gpio_level; handle->debounce_cnt = 0; } } else { //leved not change ,counter reset. handle->debounce_cnt = 0; } /-----------------State machine-------------------/ switch (handle->state) { case 0: if(handle->button_level == handle->active_level) { //start press down handle->event = (uint8_t)PRESS_DOWN; EVENT_CB(PRESS_DOWN); handle->ticks = 0; handle->repeat = 1; handle->state = 1; } else { handle->event = (uint8_t)NONE_PRESS; } break; case 1: if(handle->button_level != handle->active_level) { //released press up handle->event = (uint8_t)PRESS_UP; EVENT_CB(PRESS_UP); handle->ticks = 0; handle->state = 2; } else if(handle->ticks > LONG_TICKS) { handle->event = (uint8_t)LONG_PRESS_START; EVENT_CB(LONG_PRESS_START); handle->state = 5; } break; case 2: if(handle->button_level == handle->active_level) { //press down again handle->event = (uint8_t)PRESS_DOWN; EVENT_CB(PRESS_DOWN); handle->repeat++; EVENT_CB(PRESS_REPEAT); // repeat hit handle->ticks = 0; handle->state = 3; } else if(handle->ticks > SHORT_TICKS) { //released timeout if(handle->repeat == 1) { handle->event = (uint8_t)SINGLE_CLICK; EVENT_CB(SINGLE_CLICK); } else if(handle->repeat == 2) { handle->event = (uint8_t)DOUBLe_CLICK; EVENT_CB(DOUBLe_CLICK); // repeat hit } handle->state = 0; } break; case 3: if(handle->button_level != handle->active_level) { //released press up handle->event = (uint8_t)PRESS_UP; EVENT_CB(PRESS_UP); if(handle->ticks < SHORT_TICKS) { handle->ticks = 0; handle->state = 2; //repeat press } else { handle->state = 0; } }else if(handle->ticks > SHORT_TICKS){ // long press up handle->state = 0; } break; case 5: if(handle->button_level == handle->active_level) { //continue hold trigger handle->event = (uint8_t)LONG_PRESS_HOLD; EVENT_CB(LONG_PRESS_HOLD); } else { //releasd handle->event = (uint8_t)PRESS_UP; EVENT_CB(PRESS_UP); handle->state = 0; //reset } break; default: handle->state = 0; //reset break; } }帮我详细注释这段代码

case 1: //按键按下状态 if(handle->button_level != handle->active_level) { //按键松开 handle->event = (uint8_t)PRESS_UP; //设置按键事件 EVENT_CB(PRESS_UP); //触发事件回调函数 handle->ticks = 0; //...

如何实现使用LV_KEY_UP 和 LV_KEY_DOWN 实现组件的切换

if (key_code == LV_KEY_UP) { // 上箭头操作 if (lv_container_get_focused() == component1) { lv_container_set_focused(component2); } else { lv_container_set_focused(component1); } } else if (key...

STA中set_case_analysis

在STA（静态时序分析）中，set_case_analysis是一个命令，用于设置时序分析器对于时序约束中的不同情况（case）的分析方式。时序约束中的情况可以通过case语句或if语句来定义。 set_case_analysis命令的语法如下： ...

lvgl 组内的对象只支持使用 LV_KEY_NEXT 来切换聚焦吗

if (key_code == LV_KEY_UP) { // 移动到上一个聚焦的元素 if (lv_group_get_focused(obj) != NULL) { lv_group_set_next_focused(obj, true); // 如果下一个有焦点，则切换 } } else if (key_code == LV_KEY_...

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