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请教cc2420问题

发送端发送的字节数小于64个,接收端能够正常接收;
发送端发送字节数大于等于64个字节,如下所示:
【69个字节】
[发送]
8A 01 88 00 20 20 56 56 56 56 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
[接收]
8A 01 88 00 20 20 56 56 56 FA EB 46 63 D0 00 26 F8 D6 43 43 52 FA 9D 3D 83 B8 CF A1 9B 53 1F 1F 1D 80 03 68 40 16 02 5D 06 4E 63 8F 5B 64 CE C4 80 CB 40 66 6B D0 69 08 9B 9F 25 B3 E6 A9 03 B8 33 C2 25 8B 00
【68个字节】
[发送]
88 01 88 00 20 20 56 56 56 56 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
[接收]
88 01 88 00 20 20 56 F4 E8 F7 EB 46 63 D0 00 26 F8 D6 43 43 52 FA 9D 3D 83 B8 CF A1 9B 53 1F 1F 1D 80 03 68 40 16 02 5D 06 4E 63 8F 5B 64 CE C4 80 CB 40 66 6B D0 69 08 9B 9F 25 B3 E6 A9 03 B8 33 C2 25 8B
【67个字节】
[发送]
86 01 88 00 20 20 56 56 56 56 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
[接收]
86 01 88 00 20 F5 EA F9 E8 F7 EB 46 63 D0 00 26 F8 D6 43 43 52 FA 9D 3D 83 B8 CF A1 9B 53 1F 1F 1D 80 03 68 40 16 02 5D 06 4E 63 8F 5B 64 CE C4 80 CB 40 66 6B D0 69 08 9B 9F 25 B3 E6 A9 03 B8 33 C2 25
【66个字节】
[发送]
84 01 88 00 20 20 56 56 56 56 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
[接收]
84 01 88 F6 EA A2 AE D4 49 16 BE 66 67 D0 00 26 F8 D6 62 43 52 FA 9D 1D A3 B8 CB A0 BB 53 0E 1F 1C 80 03 68 70 16 02 5D 06 4E 63 0F 5B 60 CA C4 80 CB 40 E2 6B D0 69 08 9B 97 25 F3 E6 A9 0B BA 33 C2
【65个字节】
[发送]
82 01 88 00 20 20 56 56 56 56 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
[接收]
82 EC 4E 16 7B 37 32 AC 8F 86 0D A7 E3 F5 62 53 94 13 31 BD 71 77 02 92 3E 82 CB 11 EA 74 6B 6B 3E 0D 10 B0 8E 43 24 3D B8 45 AA 91 00 A2 75 12 6E 15 60 25 FE 2C 83 03 B0 23 64 92 9D 10 5F 20 76
【64个字节】
[发送]
80 01 88 00 20 20 56 56 56 56 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
[接收]
80 18 71 69 CA 02 C6 34 36 9E 53 47 A6 52 BC 24 04 1A 9B D4 7C 14 C6 6F 3F DD 7D 55 70 57 77 37 16 80 01 CA E0 97 13 44 01 D6 74 C0 FA EC C5 2B F5 53 6A 53 8D C2 17 08 7A DB 73 E9 62 38 73 43
依次规律,不知道是什么原因,希望不惜赐教。。。。

发送64或65个字节,长度正确,数据部分不正确;
发送66个字节,长度正确,数据部分前2个字节是正确的,后面的数据部分不正确;
发送67……………………………………4………………………………………………;
发送68……………………………………6………………………………………………;

依次类推,不知道这种规律的错误是不是哪里没有配置好????????


写TX FIFO和读RX FIFO都已测试(多余64个字节也测试过),都是正常的。。。