旋转编码器程序.doc

/* *************************** */ /* Author: FD.chd HiSi Allright Reserved */ /* *************************** */ #include AMP_BTL.h #include iom16v.h #include macros.h #include string.h #include delay.h #include signal.h /*************************************************************************************/ //sbit FD650_SCL=P2^7; //sbit FD650_SDA=P2^6; /*************************************************************************************/ #define LEDMAPNUM 22 #define ConnectOkPortOn PORTC=~(1PC6) #define ConnectOkPortOff PORTC|=(1PC6) //#define ConOkErrorDirSet DDRC|=0xC0 #define ErrorPortOn PORTC=~(1PC7) #define ErrorPortOff PORTC|=(1PC7) /* LED bitmap */ int KeyNumber; u_int32 gbData;//设置全局变量，用于显示及电位器和编码器桥梁作用 u_int16 gbX9C102_Data;//电位器全局变量 u_int16 gbmode;//0下调，1上调 u_int16 gbsave;// 1保存，0不保存 u_int16 gbcounter;//计数值 u_int16 gbcounterMID;//静音存储用的 u_int8 PID_MID=0; u_int16 gbX9C102_Data_MID; const int KeyCode[8]={ 0x47,0x4f,0x57,0x5f,0x67,0x6f,0x77 }; typedef struct _led_bitmap { u_int8 character; u_int8 bitmap; }led_bitmap; const led_bitmap BCD_decode_tab[LEDMAPNUM] = { {0, 0x3F}, {1, 0x06}, {2, 0x5B}, {3, 0x4F}, {4, 0x66}, {5, 0x6D}, {6, 0x7D}, {7, 0x07}, {8, 0x7F}, {9, 0x6F}, {a, 0x77}, {A, 0x77}, {b, 0x7C}, {B, 0x7C}, {c, 0x58}, {C, 0x39}, {d, 0x5E}, {D, 0x5E}, {e, 0x79}, {E, 0x79}, {f, 0x71}, {F, 0x71} };//BCD码字映射 /************************************************ SCL PC0 SDA PC1 ************************************************/ //立即数码值映射 u_int8 bLEDTable[] = { 0x3F, // 0 0x06, // 1 0x5B, // 2 0x4F, // 3 0x66, // 4 0x6D, // 5 0x7D, // 6 0x07, // 7 0x7F, // 8 0x6F, // 9 0x77, // A 0x7C, // b 0x39, // C 0x5E, // d 0x79, // E 0x71, // F }; /******************************************