14 changed files with 1886 additions and 1637 deletions
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#include <rtthread.h> |
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#include "libcsv.h" |
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#include "lvgl.h" |
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#define CSV_MAX_ROWS 260 // 最大行数
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#define CSV_MAX_COLS 48 // 每行最大列数
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#define CSV_MAX_FIELD 64 // 每个字段最大长度
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// ============ 数据结构定义 ============
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typedef struct { |
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int row; // 当前行号
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int col; // 当前列号
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int total_rows; // 总行数
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int max_cols; // 最大列数
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char data[CSV_MAX_ROWS][CSV_MAX_COLS][CSV_MAX_FIELD]; // 固定二维数组
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} UserData; |
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// ============ 字段回调函数 ============
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void field_callback(void *data, size_t size, void *user_data) { |
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UserData *user = (UserData *)user_data; |
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// 检查边界
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if (user->row >= CSV_MAX_ROWS) { |
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//rt_kprintf("[W] 超出最大行数 %d\n", CSV_MAX_ROWS);
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return; |
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} |
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if (user->col >= CSV_MAX_COLS) { |
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//rt_kprintf("[W] 超出最大列数 %d\n", CSV_MAX_COLS);
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return; |
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} |
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// 限制字段长度
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size_t copy_size = size; |
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if (copy_size >= CSV_MAX_FIELD) { |
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copy_size = CSV_MAX_FIELD - 1; |
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//rt_kprintf("[W] 字段截断\n");
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} |
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// 复制数据到固定数组
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rt_memcpy(user->data[user->row][user->col], data, copy_size); |
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user->data[user->row][user->col][copy_size] = '\0'; |
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// 调试输出
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//rt_kprintf("R:%d C:%d V:\"%s\"\n", user->row, user->col, user->data[user->row][user->col]);
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// 列号+1
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user->col++; |
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// 更新最大列数
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if (user->col > user->max_cols) { |
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user->max_cols = user->col; |
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} |
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// 更新总行数
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if (user->row + 1 > user->total_rows) { |
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user->total_rows = user->row + 1; |
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} |
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} |
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// ============ 行回调函数 ============
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void row_callback(int c, void *user_data) { |
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UserData *user = (UserData *)user_data; |
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// 行结束，重置列号，行号+1
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user->row++; |
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user->col = 0; |
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} |
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// ============ 获取指定单元格数据 ============
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const char* csv_get_cell(UserData *user, int row, int col) { |
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if (user == NULL) { |
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return NULL; |
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} |
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if (row < 0 || row >= user->total_rows) { |
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return NULL; |
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} |
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if (col < 0 || col >= user->max_cols) { |
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return NULL; |
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} |
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return user->data[row][col]; |
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} |
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// ============ 获取行数 ============
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int csv_get_row_count(UserData *user) { |
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return user ? user->total_rows : 0; |
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} |
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// ============ 获取列数 ============
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int csv_get_col_count(UserData *user) { |
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return user ? user->max_cols : 0; |
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} |
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// ============ 清空数据 ============
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void csv_clear_data(UserData *user) { |
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if (user == NULL) { |
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return; |
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} |
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user->row = 0; |
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user->col = 0; |
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user->total_rows = 0; |
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user->max_cols = 0; |
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} |
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// ============ 解析后创建 LVGL 表格 ============
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int parse_csv_string(lv_obj_t *container, const char *csv_data, UserData *user) |
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{ |
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if (csv_data == NULL) { |
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rt_kprintf("[E] NOT DATA\n"); |
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return -1; |
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} |
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if (user == NULL) { |
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rt_kprintf("[E] NOT USER DATA\n"); |
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return -1; |
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} |
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// 初始化 UserData
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csv_clear_data(user); |
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if (container != NULL) { |
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lv_obj_set_size(container, LV_PCT(100), LV_SIZE_CONTENT); |
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lv_obj_set_style_pad_all(container, 0, LV_PART_MAIN); |
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} |
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struct csv_parser parser; |
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csv_init(&parser, 0); |
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size_t data_len = rt_strlen(csv_data); |
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if (csv_parse(&parser, csv_data, data_len, field_callback, row_callback, user) != data_len) { |
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rt_kprintf("[E] ERR: %s\n", csv_strerror(csv_error(&parser))); |
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csv_fini(&parser, field_callback, row_callback, user); |
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csv_free(&parser); |
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return -1; |
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} |
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csv_fini(&parser, field_callback, row_callback, user); |
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csv_free(&parser); |
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//rt_kprintf("ROW: %d\n COL:%d", user->total_rows,user->max_cols);
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return 0; |
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} |
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// ============ 全局指针 ============
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static UserData *user = NULL; |
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extern struct rt_memheap sdram_heap; |
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int parse_csv_to_table(lv_obj_t *container, const char *csv_data) { |
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if (container == NULL || csv_data == NULL) { |
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return -1; |
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} |
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user = (UserData *)rt_memheap_alloc(&sdram_heap, sizeof(UserData)); |
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// 解析 CSV
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if (parse_csv_string(container, csv_data, user) != 0) { |
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return -1; |
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} |
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// 表格
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lv_obj_set_size(container, LV_PCT(100), LV_SIZE_CONTENT); |
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lv_obj_set_style_pad_all(container, 0, LV_PART_MAIN); |
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lv_table_set_col_cnt(container,user->max_cols); |
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lv_table_set_row_cnt(container,user->total_rows); |
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// 填充表格数据
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for (int i = 0; i < user->total_rows; i++) { |
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for (int j = 0; j < user->max_cols; j++) { |
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const char *val = csv_get_cell(user, i, j); |
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lv_table_set_cell_value(container, i, j, val ? val : ""); |
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} |
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} |
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// 释放内存
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rt_memheap_free(user); |
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return 0; |
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} |
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@ -0,0 +1,15 @@ |
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/*
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* Copyright (c) 2006-2021, RT-Thread Development Team |
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* |
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* SPDX-License-Identifier: Apache-2.0 |
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* |
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* Change Logs: |
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* Date Author Notes |
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* 2026-02-18 24018 the first version |
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*/ |
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#ifndef APPLICATIONS_LVGL_UI_DATA_CSV_H_ |
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#define APPLICATIONS_LVGL_UI_DATA_CSV_H_ |
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int parse_csv_to_table(lv_obj_t *container, const char *csv_data); |
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#endif /* APPLICATIONS_LVGL_UI_DATA_CSV_H_ */ |
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@ -0,0 +1,20 @@ |
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cd /d D:\RT-ThreadStudio\workspace\828F |
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set RTT_ROOT= |
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set ENV_ROOT=D:/RT-ThreadStudio/platform/env_released/env |
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set RTT_EXEC_PATH=D:/RT-ThreadStudio/repo/Extract/ToolChain_Support_Packages/ARM/GNU_Tools_for_ARM_Embedded_Processors/13.3/bin |
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set KCONF_EXEC_PATH=%ENV_ROOT%\tools\exec |
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set RTT_CC=gcc |
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set RTTS_PLATFORM=STUDIO |
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set SCONS=%ENV_ROOT%\tools\Python27\Scripts |
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set PKGS_ROOT=%ENV_ROOT%\packages |
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set PATH=%ENV_ROOT%\tools\MinGit-2.25.1-32-bit\cmd;%PATH% |
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set PATH=%ENV_ROOT%\tools\Python27;%PATH% |
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set PATH=%ENV_ROOT%\tools\Python27\Scripts;%PATH% |
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set PATH=%ENV_ROOT%\tools\bin;%PATH% |
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set PATH=%RTT_EXEC_PATH%;%PATH% |
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set PATH=%KCONF_EXEC_PATH%;%PATH% |
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set PATH=%ENV_ROOT%\tools\scripts\pkgs;%PATH% |
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set PATH=%ENV_ROOT%\tools\qemu\qemu32;%PATH% |
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set PYTHONPATH=%ENV_ROOT%\tools\Python27; |
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set PATH=%PATH%; |
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scons --target=eclipse --project-name=828F |
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