// This file was generated by SquareLine Studio // SquareLine Studio version: SquareLine Studio 1.5.3 // LVGL version: 9.2.2 // Project name: PowerPico #include "../ui.h" lv_obj_t * ui_ChartPage = NULL; static lv_obj_t * ui_DataChart = NULL; static lv_obj_t * ui_DataChart_Xaxis = NULL; static lv_obj_t * ui_DataChart_Yaxis1 = NULL; static lv_obj_t * ui_DataChart_Yaxis2 = NULL; static lv_obj_t * ui_PanelVol = NULL; static lv_obj_t * ui_PanelCur = NULL; static lv_obj_t * ui_LabelVol = NULL; static lv_obj_t * ui_LabelVolUnit = NULL; static lv_obj_t * ui_LabelCur = NULL; static lv_obj_t * ui_LabelCurUnit = NULL; static lv_obj_t * ui_StateBtn = NULL; static lv_obj_t * ui_StateLabel = NULL; static lv_obj_t * ui_TickVolUnit = NULL; static lv_obj_t * ui_TickCurUnit = NULL; static lv_timer_t * chart_update_timer = NULL; // 定时器 static bool is_chart_running = true; #define POINTS_NUM 32 // 模拟数据数组 // 数据数组 static lv_coord_t ui_DataChart_vol_array[POINTS_NUM] = {0}; // 初始为空 static lv_coord_t ui_DataChart_cur_array[POINTS_NUM] = {0}; // 初始为空 static uint8_t data_index = 0; // event funtions // 清空图表数据 static void clear_chart_data(void) { for (int i = 0; i < POINTS_NUM; i++) { ui_DataChart_vol_array[i] = 0; ui_DataChart_cur_array[i] = 0; } lv_chart_refresh(ui_DataChart); } // btn event static void _ui_Chart_Btn_cb(lv_event_t * e) { // check btn state lv_event_code_t code = lv_event_get_code(e); LV_LOG_WARN("Chart btn event code: %d", code); is_chart_running = !is_chart_running; if(is_chart_running) { lv_label_set_text(ui_StateLabel, LV_SYMBOL_PLAY); clear_chart_data(); } else { lv_label_set_text(ui_StateLabel, LV_SYMBOL_PAUSE); } } // 定时器回调函数：更新图表数据 static void _chart_update_cb(lv_timer_t * timer) { if (!is_chart_running) return; // 获取图表对象 lv_obj_t * chart = lv_timer_get_user_data(timer); // 获取数据系列 lv_chart_series_t * vol_series = lv_chart_get_series_next(chart, NULL); lv_chart_series_t * cur_series = lv_chart_get_series_next(chart, vol_series); // 添加新数据 lv_chart_set_next_value(chart, vol_series, 3); // 模拟电压数据 lv_chart_set_next_value(chart, cur_series, 3); // 模拟电流数据 // 模拟数据间隙 uint16_t point_count = lv_chart_get_point_count(chart); uint16_t start_index = lv_chart_get_x_start_point(chart, vol_series); lv_coord_t * vol_array = lv_chart_get_y_array(chart, vol_series); lv_coord_t * cur_array = lv_chart_get_y_array(chart, cur_series); vol_array[(start_index + 1) % point_count] = LV_CHART_POINT_NONE; cur_array[(start_index + 1) % point_count] = LV_CHART_POINT_NONE; // 动态调整坐标轴范围 lv_coord_t max_vol = 0; lv_coord_t max_cur = 0; for (uint16_t i = 0; i < point_count; i++) { if (vol_array[i] != LV_CHART_POINT_NONE && vol_array[i] > max_vol) { max_vol = vol_array[i]; } if (cur_array[i] != LV_CHART_POINT_NONE && cur_array[i] > max_cur) { max_cur = cur_array[i]; } } // 动态调整图表范围，增加一定的缓冲区（+1） lv_coord_t new_vol_range = max_vol * 1.5; lv_coord_t new_cur_range = max_cur * 1.5; lv_chart_set_range(chart, LV_CHART_AXIS_PRIMARY_Y, 0, new_vol_range); // 电压轴 lv_chart_set_range(chart, LV_CHART_AXIS_SECONDARY_Y, 0, new_cur_range); // 电流轴 // 动态调整坐标轴范围 lv_scale_set_range(ui_DataChart_Yaxis1, 0, new_vol_range); // 更新左侧电压坐标轴 lv_scale_set_range(ui_DataChart_Yaxis2, 0, new_cur_range); // 更新右侧电流坐标轴 // 刷新图表 lv_chart_refresh(chart); } #include "key.h" void ui_chart_page_key_handler(uint8_t key_id) { if(key_id == KEYB_NUM) { PageManager_next(); } } // build funtions void ui_ChartPage_screen_init(void) { ui_ChartPage = lv_obj_create(NULL); lv_obj_remove_flag(ui_ChartPage, LV_OBJ_FLAG_SCROLLABLE); /// Flags ui_DataChart = lv_chart_create(ui_ChartPage); lv_obj_set_width(ui_DataChart, 180); lv_obj_set_height(ui_DataChart, 180); lv_obj_set_x(ui_DataChart, 0); lv_obj_set_y(ui_DataChart, 10); lv_obj_set_align(ui_DataChart, LV_ALIGN_TOP_MID); lv_obj_add_flag(ui_DataChart, LV_OBJ_FLAG_OVERFLOW_VISIBLE); /// Flags lv_obj_remove_flag(ui_DataChart, LV_OBJ_FLAG_SCROLLABLE); /// Flags lv_obj_add_flag(ui_DataChart, LV_OBJ_FLAG_OVERFLOW_VISIBLE); //make scales visible - Should it be forced to True? //lv_obj_remove_flag( ui_DataChart, LV_OBJ_FLAG_SCROLLABLE ); //no chart-zoom in LVGL9 - Shouldn't it be forced to False? lv_chart_set_type(ui_DataChart, LV_CHART_TYPE_LINE); lv_chart_set_point_count(ui_DataChart, POINTS_NUM); lv_chart_set_range(ui_DataChart, LV_CHART_AXIS_PRIMARY_Y, 0, 5); lv_obj_set_style_radius(ui_DataChart, 0, LV_PART_MAIN | LV_STATE_DEFAULT); lv_obj_set_style_line_color(ui_DataChart, lv_color_hex(0xFFFFFF), LV_PART_MAIN | LV_STATE_DEFAULT); lv_obj_set_style_line_opa(ui_DataChart, 128, LV_PART_MAIN | LV_STATE_DEFAULT); ui_DataChart_Xaxis = lv_scale_create(ui_DataChart); lv_scale_set_mode(ui_DataChart_Xaxis, LV_SCALE_MODE_HORIZONTAL_BOTTOM); lv_obj_set_size(ui_DataChart_Xaxis, lv_pct(100), 50); lv_obj_set_align(ui_DataChart_Xaxis, LV_ALIGN_BOTTOM_MID); lv_obj_set_y(ui_DataChart_Xaxis, 50 + lv_obj_get_style_pad_bottom(ui_DataChart, LV_PART_MAIN) + lv_obj_get_style_border_width(ui_DataChart, LV_PART_MAIN)); lv_obj_set_style_line_width(ui_DataChart_Xaxis, 0, LV_PART_MAIN); lv_obj_set_style_line_width(ui_DataChart_Xaxis, 1, LV_PART_ITEMS); //LVGL-9.1 ticks are thicker by default lv_obj_set_style_line_width(ui_DataChart_Xaxis, 1, LV_PART_INDICATOR); lv_obj_set_style_length(ui_DataChart_Xaxis, 0, LV_PART_ITEMS); //minor tick length lv_obj_set_style_length(ui_DataChart_Xaxis, 5, LV_PART_INDICATOR); //major tick length lv_scale_set_range(ui_DataChart_Xaxis, 0, 5 > 0 ? 5 - 1 : 0); lv_scale_set_total_tick_count(ui_DataChart_Xaxis, (5 > 0 ? 5 - 1 : 0) * 10 + 1); lv_scale_set_major_tick_every(ui_DataChart_Xaxis, 10 >= 1 ? 10 : 1); lv_scale_set_label_show(ui_DataChart_Xaxis, false); ui_DataChart_Yaxis1 = lv_scale_create(ui_DataChart); lv_scale_set_mode(ui_DataChart_Yaxis1, LV_SCALE_MODE_VERTICAL_LEFT); lv_obj_set_size(ui_DataChart_Yaxis1, 10, lv_pct(100)); lv_obj_set_align(ui_DataChart_Yaxis1, LV_ALIGN_LEFT_MID); lv_obj_set_x(ui_DataChart_Yaxis1, -10 - lv_obj_get_style_pad_left(ui_DataChart, LV_PART_MAIN) - lv_obj_get_style_border_width(ui_DataChart, LV_PART_MAIN) + 2); lv_obj_set_style_line_width(ui_DataChart_Yaxis1, 0, LV_PART_MAIN); lv_obj_set_style_line_width(ui_DataChart_Yaxis1, 1, LV_PART_ITEMS); lv_obj_set_style_line_width(ui_DataChart_Yaxis1, 1, LV_PART_INDICATOR); lv_obj_set_style_length(ui_DataChart_Yaxis1, 5, LV_PART_ITEMS); //minor tick length lv_obj_set_style_length(ui_DataChart_Yaxis1, 10, LV_PART_INDICATOR); //major tick length lv_scale_set_range(ui_DataChart_Yaxis1, 0, 5); lv_scale_set_total_tick_count(ui_DataChart_Yaxis1, (5 > 0 ? 5 - 1 : 0) * 2 + 1); lv_scale_set_major_tick_every(ui_DataChart_Yaxis1, 2 >= 1 ? 2 : 1); ui_DataChart_Yaxis2 = lv_scale_create(ui_DataChart); lv_scale_set_mode(ui_DataChart_Yaxis2, LV_SCALE_MODE_VERTICAL_RIGHT); lv_obj_set_size(ui_DataChart_Yaxis2, 25, lv_pct(100)); lv_obj_set_align(ui_DataChart_Yaxis2, LV_ALIGN_RIGHT_MID); lv_obj_set_x(ui_DataChart_Yaxis2, 25 + lv_obj_get_style_pad_right(ui_DataChart, LV_PART_MAIN) + lv_obj_get_style_border_width(ui_DataChart, LV_PART_MAIN) + 1); lv_obj_set_style_line_width(ui_DataChart_Yaxis2, 0, LV_PART_MAIN); lv_obj_set_style_line_width(ui_DataChart_Yaxis2, 1, LV_PART_ITEMS); lv_obj_set_style_line_width(ui_DataChart_Yaxis2, 1, LV_PART_INDICATOR); lv_obj_set_style_length(ui_DataChart_Yaxis2, 5, LV_PART_ITEMS); //minor tick length lv_obj_set_style_length(ui_DataChart_Yaxis2, 10, LV_PART_INDICATOR); //major tick length lv_scale_set_total_tick_count(ui_DataChart_Yaxis2, (5 > 0 ? 5 - 1 : 0) * 2 + 1); lv_scale_set_major_tick_every(ui_DataChart_Yaxis2, 2 >= 1 ? 2 : 1); lv_obj_set_style_bg_color(ui_DataChart, lv_color_hex(0xFFFFFF), LV_PART_INDICATOR | LV_STATE_DEFAULT); lv_obj_set_style_bg_opa(ui_DataChart, 0, LV_PART_INDICATOR | LV_STATE_DEFAULT); //This workaround (an invisible outline) is needed because without it chart overflow-visible doesn't work in LVGL-9.1 lv_obj_set_style_outline_pad(ui_DataChart, LV_MAX3(50, 10, 25), LV_PART_MAIN | LV_STATE_DEFAULT); //workaround for ineffective 'overflow visible' flag lv_obj_set_style_outline_width(ui_DataChart, -1, LV_PART_MAIN | LV_STATE_DEFAULT); ui_PanelVol = lv_obj_create(ui_ChartPage); lv_obj_set_width(ui_PanelVol, 80); lv_obj_set_height(ui_PanelVol, 35); lv_obj_set_x(ui_PanelVol, -30); lv_obj_set_y(ui_PanelVol, -5); lv_obj_set_align(ui_PanelVol, LV_ALIGN_BOTTOM_MID); lv_obj_remove_flag(ui_PanelVol, LV_OBJ_FLAG_SCROLLABLE); /// Flags lv_obj_set_style_bg_color(ui_PanelVol, lv_color_hex(0xE36666), LV_PART_MAIN | LV_STATE_DEFAULT); lv_obj_set_style_bg_opa(ui_PanelVol, 255, LV_PART_MAIN | LV_STATE_DEFAULT); ui_PanelCur = lv_obj_create(ui_ChartPage); lv_obj_set_width(ui_PanelCur, 100); lv_obj_set_height(ui_PanelCur, 35); lv_obj_set_x(ui_PanelCur, 60); lv_obj_set_y(ui_PanelCur, -5); lv_obj_set_align(ui_PanelCur, LV_ALIGN_BOTTOM_MID); lv_obj_remove_flag(ui_PanelCur, LV_OBJ_FLAG_SCROLLABLE); /// Flags lv_obj_set_style_bg_color(ui_PanelCur, lv_color_hex(0x42AA49), LV_PART_MAIN | LV_STATE_DEFAULT); lv_obj_set_style_bg_opa(ui_PanelCur, 255, LV_PART_MAIN | LV_STATE_DEFAULT); ui_LabelVol = lv_label_create(ui_ChartPage); lv_obj_set_width(ui_LabelVol, LV_SIZE_CONTENT); /// 1 lv_obj_set_height(ui_LabelVol, LV_SIZE_CONTENT); /// 1 lv_obj_set_x(ui_LabelVol, -40); lv_obj_set_y(ui_LabelVol, -12); lv_obj_set_align(ui_LabelVol, LV_ALIGN_BOTTOM_MID); lv_label_set_text(ui_LabelVol, "17.23"); lv_obj_set_style_text_font(ui_LabelVol, &lv_font_montserrat_18, LV_PART_MAIN | LV_STATE_DEFAULT); ui_LabelVolUnit = lv_label_create(ui_ChartPage); lv_obj_set_width(ui_LabelVolUnit, LV_SIZE_CONTENT); /// 1 lv_obj_set_height(ui_LabelVolUnit, LV_SIZE_CONTENT); /// 1 lv_obj_set_x(ui_LabelVolUnit, -10); lv_obj_set_y(ui_LabelVolUnit, -12); lv_obj_set_align(ui_LabelVolUnit, LV_ALIGN_BOTTOM_MID); lv_label_set_text(ui_LabelVolUnit, "V"); lv_obj_set_style_text_font(ui_LabelVolUnit, &lv_font_montserrat_18, LV_PART_MAIN | LV_STATE_DEFAULT); ui_LabelCur = lv_label_create(ui_ChartPage); lv_obj_set_width(ui_LabelCur, LV_SIZE_CONTENT); /// 1 lv_obj_set_height(ui_LabelCur, LV_SIZE_CONTENT); /// 1 lv_obj_set_x(ui_LabelCur, 45); lv_obj_set_y(ui_LabelCur, -12); lv_obj_set_align(ui_LabelCur, LV_ALIGN_BOTTOM_MID); lv_label_set_text(ui_LabelCur, "17.23"); lv_obj_set_style_text_font(ui_LabelCur, &lv_font_montserrat_18, LV_PART_MAIN | LV_STATE_DEFAULT); ui_LabelCurUnit = lv_label_create(ui_ChartPage); lv_obj_set_width(ui_LabelCurUnit, LV_SIZE_CONTENT); /// 1 lv_obj_set_height(ui_LabelCurUnit, LV_SIZE_CONTENT); /// 1 lv_obj_set_x(ui_LabelCurUnit, 85); lv_obj_set_y(ui_LabelCurUnit, -12); lv_obj_set_align(ui_LabelCurUnit, LV_ALIGN_BOTTOM_MID); lv_label_set_text(ui_LabelCurUnit, "mA"); lv_obj_set_style_text_font(ui_LabelCurUnit, &lv_font_montserrat_18, LV_PART_MAIN | LV_STATE_DEFAULT); ui_StateBtn = lv_button_create(ui_ChartPage); lv_obj_set_width(ui_StateBtn, 35); lv_obj_set_height(ui_StateBtn, 35); lv_obj_set_x(ui_StateBtn, -90); lv_obj_set_y(ui_StateBtn, -5); lv_obj_set_align(ui_StateBtn, LV_ALIGN_BOTTOM_MID); lv_obj_add_flag(ui_StateBtn, LV_OBJ_FLAG_CHECKABLE | LV_OBJ_FLAG_SCROLL_ON_FOCUS); /// Flags lv_obj_remove_flag(ui_StateBtn, LV_OBJ_FLAG_SCROLLABLE); /// Flags lv_obj_set_style_bg_color(ui_StateBtn, lv_color_hex(0xF03737), LV_PART_MAIN | LV_STATE_CHECKED); lv_obj_set_style_bg_opa(ui_StateBtn, 255, LV_PART_MAIN | LV_STATE_CHECKED); ui_StateLabel = lv_label_create(ui_StateBtn); lv_obj_set_width(ui_StateLabel, LV_SIZE_CONTENT); /// 1 lv_obj_set_height(ui_StateLabel, LV_SIZE_CONTENT); /// 1 lv_obj_set_align(ui_StateLabel, LV_ALIGN_CENTER); lv_label_set_text(ui_StateLabel, LV_SYMBOL_PLAY); ui_TickVolUnit = lv_label_create(ui_ChartPage); lv_obj_set_width(ui_TickVolUnit, LV_SIZE_CONTENT); /// 1 lv_obj_set_height(ui_TickVolUnit, LV_SIZE_CONTENT); /// 1 lv_obj_set_align(ui_TickVolUnit, LV_ALIGN_CENTER); lv_obj_set_pos(ui_TickVolUnit, -105, 75); lv_label_set_text(ui_TickVolUnit, "V"); ui_TickCurUnit = lv_label_create(ui_ChartPage); lv_obj_set_width(ui_TickCurUnit, LV_SIZE_CONTENT); /// 1 lv_obj_set_height(ui_TickCurUnit, LV_SIZE_CONTENT); /// 1 lv_obj_set_align(ui_TickCurUnit, LV_ALIGN_CENTER); lv_obj_set_pos(ui_TickCurUnit, 105, 75); lv_label_set_text(ui_TickCurUnit, "mA"); // 设置图表为循环更新模式 lv_chart_set_update_mode(ui_DataChart, LV_CHART_UPDATE_MODE_CIRCULAR); // 添加数据系列 lv_chart_series_t * ui_DataChart_series_1 = lv_chart_add_series(ui_DataChart, lv_color_hex(0xE36666), LV_CHART_AXIS_PRIMARY_Y); lv_chart_set_ext_y_array(ui_DataChart, ui_DataChart_series_1, ui_DataChart_vol_array); lv_chart_series_t * ui_DataChart_series_2 = lv_chart_add_series(ui_DataChart, lv_color_hex(0x42AA49), LV_CHART_AXIS_SECONDARY_Y); lv_chart_set_ext_y_array(ui_DataChart, ui_DataChart_series_2, ui_DataChart_cur_array); // btn event lv_obj_add_event_cb(ui_StateBtn, _ui_Chart_Btn_cb, LV_EVENT_CLICKED, NULL); // timer chart_update_timer = lv_timer_create(_chart_update_cb, 100, ui_DataChart); // 每100ms更新一次数据 } void ui_ChartPage_screen_destroy(void) { lv_timer_del(chart_update_timer); }