51单片机

维修方法求助，点阵屏，通讯协议高手进来帮我看看吧。

2020-01-27 11:40发布

站内问答 / 51单片机
20486 23 23
放假了，难免被人东拉西跑的去帮忙“看看设备”

现在接触到一个朋友单位的 汽车自动检测线上用的LED显示屏，其控制卡是用AT89C52+CPLD+245+373等一大堆器件做成的，不知为何，其中一颗独石电容击穿短路，将电路板引燃烧毁。

由于买不到备用件，于是维修就变成一件困难的事情。
现在维修有以下几种方法：
1、拆下一块正常的板抄板，把元器件搬过去。但是太麻烦了，整块板上面元器件非常多。
2、自己用单片机写一块控制卡，这样就需要破解通讯协议。
3、使用抓屏方式将信息投到LED卡，但朋友说这样不行的。

现在，请各位网友帮帮忙，如果你能从以下数据中找出规律，那我就可以自己写一块控制卡。
或者谁能帮忙买到 南昌科源 的灯屏的控制卡，这是最好的办法。
友情提示: 此问题已得到解决，问题已经关闭,关闭后问题禁止继续编辑，回答。
23条回答
oufuqiang
2020-01-27 19:50
忘了贴数据包了：
南昌科源 灯屏
显示内容：
转角检测工位 第一行 128×16点
等  待 ……     第二行 128×16点
数据包：
08 55 AA 55 AA 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0C 00 03 00 00 00 60 00 80 01 60 00 00 00 00 00 0C 00 FB 9F F9 0F C0 30 80 03 60 00 00 00 00 E0 FF E7 6F 03 07 00 FF 7F C0 00 FC FF 00 00 00 00 06 80 61 03 03 00 70 07 60 18 60 CF 00 00 00 00 36 80 F9 1F 00 00 CC 19 30 30 60 CF 00 00 00 00 33 C0 7B 1B FC 3F 6C 1B 98 7F 30 CF 00 00 00 80 31 C0 7B DB 67 03 3C 1E FC 31 F0 FF 00 00 00 C0 FF E7 7F 1B 66 03 FC 1F 00 00 9C 01 00 00 00 00 30 00 7B 1B 66 03 C0 00 F8 1F 00 03 00 00 00 00 30 00 FB 1B 66 33 FE 3F 18 18 FC FF 00 00 00 F0 FF 0F BF 1F 36 33 36 33 18 18 80 07 00 00 00 00 30 E0 FB 1C 1E 3E 1E 36 18 18 C0 0F 00 00 00 00 30 00 1B 18 06 00 FE 3F 18 18 60 3B 00 00 00 00 30 00 1B 18 0F 00 06 3C F8 1F 38 E3 01 00 00 00 30 00 1B 9E F9 3F 06 3C 18 18 0E C3 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 FF 01 08 55 AA 55 AA 01 00 80 C1 00 0C 00 B0 01 18 00 30 00 60 03 00 00 00 80 C1 00 FC 87 71 03 F8 0F F0 7F E0 0E 00 00 00 C0 C0 00 0C 03 33 1B 18 06 18 00 30 0C 00 00 00 F0 FF 07 86 01 F7 3F 3C 06 FC 3F F0 FF 00 00 00 C0 60 00 FF 0F 3B 03 66 03 36 30 18 00 00 00 00 E0 61 80 63 0C 3C 0F C3 01 F0 3F F8 30 00 00 00 B0 F9 CF 63 0C F6 1F 60 03 30 30 BC 71 00 00 00 F0 6F 00 FF 0F 36 03 38 0E F0 3F BC 31 00 00 00 80 31 00 63 0C 36 0F 0E 7C 60 00 36 33 00 00 00 80 F9 07 63 CC F3 9F FF 3F E0 3F 30 1B 00 00 00 C0 07 03 FF 0F 33 03 CC 0C 70 18 30 1B 00 00 00 F0 31 03 63 0C 33 03 FC 0F D8 0E 30 18 00 00 00 80 E1 01 63 0C 33 1B CC 0C 8C 03 30 0C 00 00 00 80 C1 80 61 0C F3 3F CC 0C E0 0E F0 FF 01 00 00 80 81 81 61 0F 33 00 FC 0F 38 F8 30 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0C 00 03 00 00 00 60 00 80 01 60 00 00 00 00 00 0C 00 FB 9F F9 0F C0 30 80 03 60 00 00 00 00 E0 FF E7 6F 03 07 00 FF 7F C0 00 FC FF 00 00 00 00 06 80 61 03 03 00 70 07 60 18 60 CF 00 00 00 00 36 80 F9 1F 00 00 CC 19 30 30 60 CF 00 00 00 00 33 C0 7B 1B FC 3F 6C 1B 98 7F 30 CF 00 00 00 80 31 C0 7B DB 67 03 3C 1E FC 31 F0 FF 00 00 00 C0 FF E7 7F 1B 66 03 FC 1F 00 00 9C 01 00 00 00 00 30 00 7B 1B 66 03 C0 00 F8 1F 00 03 00 00 00 00 30 00 FB 1B 66 33 FE 3F 18 18 FC FF 00 00 00 F0 FF 0F BF 1F 36 33 36 33 18 18 80 07 00 00 00 00 30 E0 FB 1C 1E 3E 1E 36 18 18 C0 0F 00 00 00 00 30 00 1B 18 06 00 FE 3F 18 18 60 3B 00 00 00 00 30 00 1B 18 0F 00 06 3C F8 1F 38 E3 01 00 00 00 30 00 1B 9E F9 3F 06 3C 18 18 0E C3 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 FF 01 08 55 AA 55 AA 01 00 80 C1 00 0C 00 00 00 60 00 30 00 60 03 00 00 00 80 C1 00 FC 87 FF 3F 60 00 F0 7F E0 0E 00 00 00 C0 C0 00 0C 03 C0 00 FF 7F 18 00 30 0C 00 00 00 F0 FF 07 86 01 C0 00 30 00 FC 3F F0 FF 00 00 00 C0 60 00 FF 0F C0 00 30 00 36 30 18 00 00 00 00 E0 61 80 63 0C C0 00 18 03 F0 3F F8 30 00 00 00 B0 F9 CF 63 0C C6 00 1C 03 30 30 BC 71 00 00 00 F0 6F 00 FF 0F C6 1F FC 3F F0 3F BC 31 00 00 00 80 31 00 63 0C C6 00 0E 03 60 00 36 33 00 00 00 80 F9 07 63 0C C6 00 0F 03 E0 3F 30 1B 00 00 00 C0 07 03 FF 0F C6 80 0D 03 70 18 30 1B 00 00 00 F0 31 03 63 0C C6 00 0C 03 D8 0E 30 18 00 00 00 80 E1 01 63 0C C6 00 0C 03 8C 03 30 0C 00 00 00 80 C1 80 61 CC FF 3F FC 7F E0 0E F0 FF 01 00 00 80 81 81 61 0F 00 00 0C 00 38 F8 30 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0C 00 03 00 00 00 60 00 80 01 60 00 00 00 00 00 0C 00 FB 9F F9 0F C0 30 80 03 60 00 00 00 00 E0 FF E7 6F 03 07 00 FF 7F C0 00 FC FF 00 00 00 00 06 80 61 03 03 00 70 07 60 18 60 CF 00 00 00 00 36 80 F9 1F 00 00 CC 19 30 30 60 CF 00 00 00 00 33 C0 7B 1B FC 3F 6C 1B 98 7F 30 CF 00 00 00 80 31 C0 7B DB 67 03 3C 1E FC 31 F0 FF 00 00 00 C0 FF E7 7F 1B 66 03 FC 1F 00 00 9C 01 00 00 00 00 30 00 7B 1B 66 03 C0 00 F8 1F 00 03 00 00 00 00 30 00 FB 1B 66 33 FE 3F 18 18 FC FF 00 00 00 F0 FF 0F BF 1F 36 33 36 33 18 18 80 07 00 00 00 00 30 E0 FB 1C 1E 3E 1E 36 18 18 C0 0F 00 00 00 00 30 00 1B 18 06 00 FE 3F 18 18 60 3B 00 00 00 00 30 00 1B 18 0F 00 06 3C F8 1F 38 E3 01 00 00 00 30 00 1B 9E F9 3F 06 3C 18 18 0E C3 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 FF 01

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