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你open declaration,应该还有定义的。我随便找了个例程,定义如下:
/ The following fields are IO Id for the IOC module // //***************************************************************************** #define IOID_0 0x00000000 // IO Id 0 #define IOID_1 0x00000001 // IO Id 1 #define IOID_2 0x00000002 // IO Id 2 #define IOID_3 0x00000003 // IO Id 3 #define IOID_4 0x00000004 // IO Id 4 #define IOID_5 0x00000005 // IO Id 5 #define IOID_6 0x00000006 // IO Id 6 #define IOID_7 0x00000007 // IO Id 7 #define IOID_8 0x00000008 // IO Id 8 #define IOID_9 0x00000009 // IO Id 9 #define IOID_10 0x0000000A // IO Id 10 #define IOID_11 0x0000000B // IO Id 11 #define IOID_12 0x0000000C // IO Id 12 #define IOID_13 0x0000000D // IO Id 13 #define IOID_14 0x0000000E // IO Id 14 #define IOID_15 0x0000000F // IO Id 15 #define IOID_16 0x00000010 // IO Id 16 #define IOID_17 0x00000011 // IO Id 17 #define IOID_18 0x00000012 // IO Id 18 #define IOID_19 0x00000013 // IO Id 19 #define IOID_20 0x00000014 // IO Id 20 #define IOID_21 0x00000015 // IO Id 21 #define IOID_22 0x00000016 // IO Id 22 #define IOID_23 0x00000017 // IO Id 23 #define IOID_24 0x00000018 // IO Id 24 #define IOID_25 0x00000019 // IO Id 25 #define IOID_26 0x0000001A // IO Id 26 #define IOID_27 0x0000001B // IO Id 27 #define IOID_28 0x0000001C // IO Id 28 #define IOID_29 0x0000001D // IO Id 29 #define IOID_30 0x0000001E // IO Id 30 #define IOID_31 0x0000001F // IO Id 31 #define IOID_UNUSED 0xFFFFFFFF // Unused IO Id #define IOC_IOID_MASK 0x000000FF // IOC IO Id bit mask