ILinterpreter.h

00001 /*
00002  * Instruction List interpreter library
00003  * Copyright (c) 2011 Hiroshi Suga
00004  * Released under the MIT License: http://mbed.org/license/mit
00005  */
00006 
00007 /** @file
00008  * @brief Instruction List interpreter
00009  */
00010 
00011 #ifndef ILinterpreter_H
00012 #define ILinterpreter_H
00013 
00014 #include "mbed.h"
00015 
00016 #define IL_NUM 100
00017 #define IL_RELAY_NUM 10
00018 #define IL_TIMER_NUM 10
00019 #define IL_COUNTER_NUM 10
00020 #define IL_STACK 10
00021 
00022 enum eMNEMONIC {
00023     MNE_NULL,
00024     MNE_DEF,
00025     MNE_LD, MNE_LDI, MNE_LDP, MNE_LDF,
00026     MNE_ALD, MNE_ALDI, MNE_ALDP, MNE_ALDF,
00027     MNE_OR, MNE_ORI, MNE_ORP, MNE_ORF,
00028     MNE_AND, MNE_ANI, MNE_ANDP, MNE_ANDF,
00029     MNE_ORB, MNE_ANB,
00030     MNE_INV,
00031     MNE_MPS, MNE_MRD, MNE_MPP,
00032     MNE_OUT, MNE_SET, MNE_RST,
00033     MNE_END,
00034 };
00035 
00036 enum eEXPRESSION {
00037     EXP_NULL,
00038     EXP_EQ, EXP_NE,
00039     EXP_LE, EXP_LT,
00040     EXP_GE, EXP_GT,
00041     EXP_MOD, EXP_NMOD,
00042 };
00043 
00044 struct tIL {
00045     enum eMNEMONIC mnemonic;
00046     char key;
00047     char keynum;
00048     enum eEXPRESSION expression;
00049     float value;
00050 };
00051 
00052 struct tInOut {
00053     time_t sec;
00054     int relay[IL_RELAY_NUM];
00055     int timer_flg[IL_TIMER_NUM];
00056     unsigned int timer_set[IL_TIMER_NUM], timer_cnt[IL_TIMER_NUM];
00057     unsigned int count_set[IL_COUNTER_NUM], count_cnt[IL_COUNTER_NUM], count_rev[IL_COUNTER_NUM];
00058 };
00059 
00060 
00061 /** ILinterpreter class
00062  */
00063 class ILinterpreter {
00064 public:
00065     ILinterpreter ();
00066 
00067     /** exec IL sequence
00068      * @retval 0 success
00069      * @retval -1 error
00070      */
00071     int exec ();
00072 
00073     /** set call back function
00074      * @param pf_i input function (input relay)
00075      * @param pf_o output function (output relay)
00076      * @return pointer of tInOut (internal relay)
00077      */
00078     struct tInOut* attach (float (*pf_i)(char, int, eEXPRESSION, int), void (*pf_o)(char, int, int, eMNEMONIC));
00079 
00080     /** timer interval (call 10Hz)
00081      */
00082     void pool ();
00083 
00084     /** load IL file
00085      * @param file file name
00086      * @retval 0 success
00087      * @retval -1 error
00088      */
00089     int load (char *file);
00090 
00091 protected:
00092     int il_count;
00093     struct tIL il[IL_NUM];
00094     struct tInOut inout, inout_old;
00095     int stack[IL_STACK];
00096     int addr;
00097 
00098     int input (tInOut *io, int i, int old = 0);
00099     void output (int i, int reg, eMNEMONIC mne);
00100     void load_exp (int i, char *buf);
00101     int push (int dat);
00102     int pop (int *dat);
00103     int read (int *dat);
00104 
00105     float (*cb_input)(char key, int keynum, eEXPRESSION exp, int old);
00106     void (*cb_output)(char key, int keynum, int reg, eMNEMONIC mne);
00107 
00108 private:
00109 
00110 };
00111 
00112 #endif