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求问union里面包含struct的用法

3914 union 段码屏

问答对人有帮助，内容完整，我也想知道答案 0 一个段码屏驱动多端数码管程序，这个LCD_LgcBuf[15]有什么含义吗 typedef union { unsigned char LCD_LgcBuf[15];//这段代码什么意思 struct unsigned char Sign_T5:1; unsigned char Sign_T16:1; unsigned char Sign_4F:1; unsigned char Sign_4E:1; }Sign_SEG1_2; { unsigned char Sign_4B:1; unsigned char Sign_4D:1; unsigned char Sign_5G:1; unsigned char Sign_T18:1; struct unsigned char Sign_5A:1; unsigned char Sign_5C:1; unsigned char Sign_6F:1; unsigned char Sign_6E:1; }Sign_SEG5_6; { unsigned char Sign_6B:1; unsigned char Sign_6D:1; unsigned char Sign_7G:1; unsigned char Sign_COL:1; struct unsigned char Sign_7A:1; unsigned char Sign_7C:1; unsigned char Sign_8F:1; unsigned char Sign_8E:1; }Sign_SEG9_10; { unsigned char Sign_8B:1; unsigned char Sign_8D:1; unsigned char Sign_9G:1; unsigned char Sign_P3:1; struct unsigned char Sign_9A:1; unsigned char Sign_9C:1; unsigned char Sign_10F:1; unsigned char Sign_10E:1; }Sign_SEG13_14; { unsigned char Sign_10B:1; unsigned char Sign_10D:1; unsigned char Sign_11G:1; unsigned char Sign_P5:1; struct unsigned char Sign_11A:1; unsigned char Sign_11C:1; unsigned char Sign_T22:1; unsigned char Sign_T23:1; }Sign_SEG17_18; { unsigned char Sign_T7:1; unsigned char Sign_T9:1; unsigned char Sign_T12:1; unsigned char Sign_T10:1; struct unsigned char Sign_3A:1; unsigned char Sign_3C:1; unsigned char Sign_3F:1; unsigned char Sign_3E:1; }Sign_SEG21_22; { unsigned char Sign_2B:1; unsigned char Sign_2D:1; unsigned char Sign_2G:1; //unsigned char Sign_:1; struct unsigned char Sign_1A:1; unsigned char Sign_1C:1; unsigned char Sign_1F:1; unsigned char Sign_1E:1; }Sign_SEG25_26; { unsigned char Sign_T2:1; unsigned char Sign_T3:1; unsigned char Sign_S11:1; unsigned char Sign_S9:1; struct unsigned char Sign_S5:1; unsigned char Sign_S7:1; unsigned char Sign_S4:1; unsigned char Sign_S2:1; }Sign_SEG29_30; }GStr_LcdBuf; 0 奖励6积分
2019-3-28 09:47:13　　评论淘帖0 邀请回答您可以邀请以下用户，快速回答问题 × 谢新貌该类别下有 43 个回答。邀请回答新星之火12138 该类别下有 39 个回答。邀请回答 911119qianhao 该类别下有 35 个回答。邀请回答 hgimtk 该类别下有 32 个回答。邀请回答 wang21cj 该类别下有 31 个回答。邀请回答独孤辉二该类别下有 27 个回答。邀请回答 wuli北该类别下有 25 个回答，其中被选为最佳答案 1 次。邀请回答修罗君该类别下有 24 个回答，其中被选为最佳答案 1 次。邀请回答 butterflydw 该类别下有 24 个回答。邀请回答牛牛爱吃草该类别下有 24 个回答。邀请回答 horayte 该类别下有 24 个回答，其中被选为最佳答案 1 次。邀请回答 hy381 该类别下有 24 个回答。邀请回答周鹏生该类别下有 24 个回答。邀请回答名士流该类别下有 23 个回答。邀请回答大洼球王该类别下有 23 个回答。邀请回答 32949523596693 该类别下有 23 个回答。邀请回答蔡甸一角该类别下有 23 个回答。邀请回答 hisysteeoke 该类别下有 23 个回答。邀请回答 ggfx 该类别下有 22 个回答，其中被选为最佳答案 1 次。邀请回答 kmno4 该类别下有 22 个回答。邀请回答举报订单相关推荐 • struct里面union成员，赋值问题！ 5312 • 初始化union和struct 1566 • 请教编程union，struct，member代表什么意思？ 1587 • 结构体struct和联合体union的区别？ 371 • Tas5766m的音频功能里面包含DRC吗？ 119 • 关于platform_init_flags和platform_init_config里面包含的参数都有哪些啊？哪个文档可以查到？ 1866 • 构建项目时''stm8s_uart1.c bad struct / union operand'' 3177 • 创建共用体后，编译报错，求解 4603 • struct a;这段代码有什么意义？ 2794 • 请问UNION与UNION ALL的区别是什么？ 12557 4个回答

答案对人有帮助，有参考价值 0 unsigned char LCD_LgcBuf[15]这个里面赋值，下面的结构里面就有相应拆分好了的数值；如果下面各个结构里面赋值了，那么你这个数组里面也有值了最佳答案

2019-3-28 09:47:14 评论举报阿信509

答案对人有帮助，有参考价值 0 程序发上来怎么变了

2019-3-28 09:51:08 1 评论举报订单 1 条评论订单 2019-3-28 09:52 typedef union { unsigned char LCD_LgcBuf[15]; struct{ struct { unsigned char Sign_T5:1; unsigned char Sign_T15:1; unsigned char Sign_T16:1; unsigned char Sign_T17:1; unsigned char Sign_4F:1; unsigned char Sign_4G:1; unsigned char Sign_4E:1; unsigned char Sign_T19:1; }Sign_SEG1_2; struct { unsigned char Sign_4A:1; unsigned char Sign_4B:1; unsigned char Sign_4C:1; unsigned char Sign_4D:1; unsigned char Sign_5F:1; unsigned char Sign_5G:1; unsigned char Sign_5E:1; unsigned char Sign_T18:1; }Sign_SEG3_4; struct { unsigned char Sign_5A:1; unsigned char Sign_5B:1; unsigned char Sign_5C:1; unsigned char Sign_5D:1; unsigned char Sign_6F:1; unsigned char Sign_6G:1; unsigned char Sign_6E:1; unsigned char Sign_T21:1; }Sign_SEG5_6; struct { unsigned char Sign_6A:1; unsigned char Sign_6B:1; unsigned char Sign_6C:1; unsigned char Sign_6D:1; unsigned char Sign_7F:1; unsigned char Sign_7G:1; unsigned char Sign_7E:1; unsigned char Sign_COL:1; }Sign_SEG7_8; struct { unsigned char Sign_7A:1; unsigned char Sign_7B:1; unsigned char Sign_7C:1; unsigned char Sign_7D:1; unsigned char Sign_8F:1; unsigned char Sign_8G:1; unsigned char Sign_8E:1; unsigned char Sign_P2:1; }Sign_SEG9_10; struct { unsigned char Sign_8A:1; unsigned char Sign_8B:1; unsigned char Sign_8C:1; unsigned char Sign_8D:1; unsigned char Sign_9F:1; unsigned char Sign_9G:1; unsigned char Sign_9E:1; unsigned char Sign_P3:1; }Sign_SEG11_12; struct { unsigned char Sign_9A:1; unsigned char Sign_9B:1; unsigned char Sign_9C:1; unsigned char Sign_9D:1; unsigned char Sign_10F:1; unsigned char Sign_10G:1; unsigned char Sign_10E:1; unsigned char Sign_P4:1; }Sign_SEG13_14; struct { unsigned char Sign_10A:1; unsigned char Sign_10B:1; unsigned char Sign_10C:1; unsigned char Sign_10D:1; unsigned char Sign_11F:1; unsigned char Sign_11G:1; unsigned char Sign_11E:1; unsigned char Sign_P5:1; }Sign_SEG15_16; struct { unsigned char Sign_11A:1; unsigned char Sign_11B:1; unsigned char Sign_11C:1; unsigned char Sign_11D:1; unsigned char Sign_T22:1; unsigned char Sign_T20:1; unsigned char Sign_T23:1; unsigned char Sign_T24:1; }Sign_SEG17_18; struct { unsigned char Sign_T6:1; unsigned char Sign_T7:1; unsigned char Sign_T8:1; unsigned char Sign_T9:1; unsigned char Sign_T13:1; unsigned char Sign_T12:1; unsigned char Sign_T11:1; unsigned char Sign_T10:1; }Sign_SEG19_20; struct { unsigned char Sign_3A:1; unsigned char Sign_3B:1; unsigned char Sign_3C:1; unsigned char Sign_3D:1; unsigned char Sign_3F:1; unsigned char Sign_3G:1; unsigned char Sign_3E:1; unsigned char Sign_P1:1; }Sign_SEG21_22; struct { unsigned char Sign_2A:1; unsigned char Sign_2B:1; unsigned char Sign_2C:1; unsigned char Sign_2D:1; unsigned char Sign_2F:1; unsigned char Sign_2G:1; unsigned char Sign_2E:1; //unsigned char Sign_:1; }Sign_SEG23_24; struct { unsigned char Sign_1A:1; unsigned char Sign_1B:1; unsigned char Sign_1C:1; unsigned char Sign_1D:1; unsigned char Sign_1F:1; unsigned char Sign_1G:1; unsigned char Sign_1E:1; //unsigned char Sign_:1; }Sign_SEG25_26; struct { unsigned char Sign_T1:1; unsigned char Sign_T2:1; unsigned char Sign_T4:1; unsigned char Sign_T3:1; unsigned char Sign_T14:1; unsigned char Sign_S11:1; unsigned char Sign_S10:1; unsigned char Sign_S9:1; }Sign_SEG27_28; struct { unsigned char Sign_S5:1; unsigned char Sign_S6:1; unsigned char Sign_S7:1; unsigned char Sign_S8:1; unsigned char Sign_S4:1; unsigned char Sign_S3:1; unsigned char Sign_S2:1; unsigned char Sign_S1:1; }Sign_SEG29_30; }Signs; }GStr_LcdBuf; 赞回复举报

答案对人有帮助，有参考价值 0 typedef union { unsigned char LCD_LgcBuf[15]; struct{ struct { unsigned char Sign_T5:1; unsigned char Sign_T15:1; unsigned char Sign_T16:1; unsigned char Sign_T17:1; unsigned char Sign_4F:1; unsigned char Sign_4G:1; unsigned char Sign_4E:1; unsigned char Sign_T19:1; }Sign_SEG1_2; struct { unsigned char Sign_4A:1; unsigned char Sign_4B:1; unsigned char Sign_4C:1; unsigned char Sign_4D:1; unsigned char Sign_5F:1; unsigned char Sign_5G:1; unsigned char Sign_5E:1; unsigned char Sign_T18:1; }Sign_SEG3_4; struct { unsigned char Sign_5A:1; unsigned char Sign_5B:1; unsigned char Sign_5C:1; unsigned char Sign_5D:1; unsigned char Sign_6F:1; unsigned char Sign_6G:1; unsigned char Sign_6E:1; unsigned char Sign_T21:1; }Sign_SEG5_6; struct { unsigned char Sign_6A:1; unsigned char Sign_6B:1; unsigned char Sign_6C:1; unsigned char Sign_6D:1; unsigned char Sign_7F:1; unsigned char Sign_7G:1; unsigned char Sign_7E:1; unsigned char Sign_COL:1; }Sign_SEG7_8; struct { unsigned char Sign_7A:1; unsigned char Sign_7B:1; unsigned char Sign_7C:1; unsigned char Sign_7D:1; unsigned char Sign_8F:1; unsigned char Sign_8G:1; unsigned char Sign_8E:1; unsigned char Sign_P2:1; }Sign_SEG9_10; struct { unsigned char Sign_8A:1; unsigned char Sign_8B:1; unsigned char Sign_8C:1; unsigned char Sign_8D:1; unsigned char Sign_9F:1; unsigned char Sign_9G:1; unsigned char Sign_9E:1; unsigned char Sign_P3:1; }Sign_SEG11_12; struct { unsigned char Sign_9A:1; unsigned char Sign_9B:1; unsigned char Sign_9C:1; unsigned char Sign_9D:1; unsigned char Sign_10F:1; unsigned char Sign_10G:1; unsigned char Sign_10E:1; unsigned char Sign_P4:1; }Sign_SEG13_14; struct { unsigned char Sign_10A:1; unsigned char Sign_10B:1; unsigned char Sign_10C:1; unsigned char Sign_10D:1; unsigned char Sign_11F:1; unsigned char Sign_11G:1; unsigned char Sign_11E:1; unsigned char Sign_P5:1; }Sign_SEG15_16; struct { unsigned char Sign_11A:1; unsigned char Sign_11B:1; unsigned char Sign_11C:1; unsigned char Sign_11D:1; unsigned char Sign_T22:1; unsigned char Sign_T20:1; unsigned char Sign_T23:1; unsigned char Sign_T24:1; }Sign_SEG17_18; struct { unsigned char Sign_T6:1; unsigned char Sign_T7:1; unsigned char Sign_T8:1; unsigned char Sign_T9:1; unsigned char Sign_T13:1; unsigned char Sign_T12:1; unsigned char Sign_T11:1; unsigned char Sign_T10:1; }Sign_SEG19_20; struct { unsigned char Sign_3A:1; unsigned char Sign_3B:1; unsigned char Sign_3C:1; unsigned char Sign_3D:1; unsigned char Sign_3F:1; unsigned char Sign_3G:1; unsigned char Sign_3E:1; unsigned char Sign_P1:1; }Sign_SEG21_22; struct { unsigned char Sign_2A:1; unsigned char Sign_2B:1; unsigned char Sign_2C:1; unsigned char Sign_2D:1; unsigned char Sign_2F:1; unsigned char Sign_2G:1; unsigned char Sign_2E:1; //unsigned char Sign_:1; }Sign_SEG23_24; struct { unsigned char Sign_1A:1; unsigned char Sign_1B:1; unsigned char Sign_1C:1; unsigned char Sign_1D:1; unsigned char Sign_1F:1; unsigned char Sign_1G:1; unsigned char Sign_1E:1; //unsigned char Sign_:1; }Sign_SEG25_26; struct { unsigned char Sign_T1:1; unsigned char Sign_T2:1; unsigned char Sign_T4:1; unsigned char Sign_T3:1; unsigned char Sign_T14:1; unsigned char Sign_S11:1; unsigned char Sign_S10:1; unsigned char Sign_S9:1; }Sign_SEG27_28; struct { unsigned char Sign_S5:1; unsigned char Sign_S6:1; unsigned char Sign_S7:1; unsigned char Sign_S8:1; unsigned char Sign_S4:1; unsigned char Sign_S3:1; unsigned char Sign_S2:1; unsigned char Sign_S1:1; }Sign_SEG29_30; }Signs; }GStr_LcdBuf;

2019-3-28 09:51:39 评论举报订单

答案对人有帮助，有参考价值 0 LCD_LgcBuf[这个缓存，是与Sign_SEG27_28这些占用同一块空间的

2019-3-28 14:08:26 评论举报 jinyi7016

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