Parse program data

Jan Breuer

2013-06-19 1ea396b98ee06b0ec56403b70d553ccc5b379b9a

 libscpi/inc/scpi/types.h

@@ -57,13 +57,13 @@
    /* IEEE 488.2 registers */
    enum _scpi_reg_name_t {
        SCPI_REG_STB = 0, /* Status Byte */
        SCPI_REG_SRE,     /* Service Request Enable Register */
        SCPI_REG_ESR,     /* Standard Event Status Register (ESR, SESR) */
        SCPI_REG_ESE,     /* Event Status Enable Register */
        SCPI_REG_OPER,    /* OPERation Status Register */
        SCPI_REG_OPERE,   /* OPERation Status Enable Register */
        SCPI_REG_QUES,    /* QUEStionable status register */
        SCPI_REG_QUESE,   /* QUEStionable status Enable Register */
        SCPI_REG_SRE, /* Service Request Enable Register */
        SCPI_REG_ESR, /* Standard Event Status Register (ESR, SESR) */
        SCPI_REG_ESE, /* Event Status Enable Register */
        SCPI_REG_OPER, /* OPERation Status Register */
        SCPI_REG_OPERE, /* OPERation Status Enable Register */
        SCPI_REG_QUES, /* QUEStionable status register */
        SCPI_REG_QUESE, /* QUEStionable status Enable Register */

        /* last definition - number of registers */
        SCPI_REG_COUNT
@@ -72,21 +72,21 @@

    enum _scpi_ctrl_name_t {
        SCPI_CTRL_SRQ = 1, /* service request */
        SCPI_CTRL_GTL,     /* Go to local */
        SCPI_CTRL_SDC,     /* Selected device clear */
        SCPI_CTRL_PPC,     /* Parallel poll configure */
        SCPI_CTRL_GET,     /* Group execute trigger */
        SCPI_CTRL_TCT,     /* Take control */
        SCPI_CTRL_LLO,     /* Device clear */
        SCPI_CTRL_DCL,     /* Local lockout */
        SCPI_CTRL_PPU,     /* Parallel poll unconfigure */
        SCPI_CTRL_SPE,     /* Serial poll enable */
        SCPI_CTRL_SPD,     /* Serial poll disable */
        SCPI_CTRL_MLA,     /* My local address */
        SCPI_CTRL_UNL,     /* Unlisten */
        SCPI_CTRL_MTA,     /* My talk address */
        SCPI_CTRL_UNT,     /* Untalk */
        SCPI_CTRL_MSA      /* My secondary address */
        SCPI_CTRL_GTL, /* Go to local */
        SCPI_CTRL_SDC, /* Selected device clear */
        SCPI_CTRL_PPC, /* Parallel poll configure */
        SCPI_CTRL_GET, /* Group execute trigger */
        SCPI_CTRL_TCT, /* Take control */
        SCPI_CTRL_LLO, /* Device clear */
        SCPI_CTRL_DCL, /* Local lockout */
        SCPI_CTRL_PPU, /* Parallel poll unconfigure */
        SCPI_CTRL_SPE, /* Serial poll enable */
        SCPI_CTRL_SPD, /* Serial poll disable */
        SCPI_CTRL_MLA, /* My local address */
        SCPI_CTRL_UNL, /* Unlisten */
        SCPI_CTRL_MTA, /* My talk address */
        SCPI_CTRL_UNT, /* Untalk */
        SCPI_CTRL_MSA /* My secondary address */
    };
    typedef enum _scpi_ctrl_name_t scpi_ctrl_name_t;

@@ -106,7 +106,7 @@
        const char * parameters;
        size_t length;
    };
    #define SCPI_CMD_LIST_END       {NULL, NULL, }
#define SCPI_CMD_LIST_END       {NULL, NULL, }
    typedef struct _scpi_param_list_t scpi_param_list_t;

    /* scpi interface */
@@ -123,6 +123,63 @@
    typedef size_t(*scpi_write_t)(scpi_t * context, const char * data, size_t len);
    typedef scpi_result_t(*scpi_write_control_t)(scpi_t * context, scpi_ctrl_name_t ctrl, scpi_reg_val_t val);
    typedef int (*scpi_error_callback_t)(scpi_t * context, int_fast16_t error);

    /* scpi lexer */
    enum _token_type_t {
        TokComma,
        TokSemicolon,
        TokQuiestion,
        TokNewLine,
        TokHexnum,
        TokOctnum,
        TokBinnum,
        TokProgramMnemonic,
        TokDecimalNumericProgramData,
        TokDecimalNumericProgramDataWithSuffix,
        TokSuffixProgramData,
        TokArbitraryBlockProgramData,
        TokSingleQuoteProgramData,
        TokDoubleQuoteProgramData,
        TokProgramExpression,
        TokCompoundProgramHeader,
        TokCommonProgramHeader,
        TokCompoundQueryProgramHeader,
        TokCommonQueryProgramHeader,
        TokWhiteSpace,
        TokAllProgramData,
        TokUnknown,
    };
    typedef enum _token_type_t token_type_t;

    struct _token_t {
        token_type_t type;
        const char * ptr;
        int len;
    };
    typedef struct _token_t token_t;

    struct _lex_state_t {
        const char * buffer;
        const char * pos;
        int len;
    };
    typedef struct _lex_state_t lex_state_t;

    /* scpi parser */   
    enum _message_termination_t {
        PmutNone,
        PmutNewLine,
        PmutSemicolon,                
    };
    typedef enum _message_termination_t message_termination_t;
    
    struct _scpi_parser_state_t {
        token_t programHeader;
        token_t programData;
        int numberOfParameters;
        message_termination_t termination;
    };
    typedef struct _scpi_parser_state_t scpi_parser_state_t;

    typedef scpi_result_t(*scpi_command_callback_t)(scpi_t *);

@@ -147,7 +204,7 @@
        scpi_unit_t unit;
        double mult;
    };
    #define SCPI_UNITS_LIST_END       {NULL, SCPI_UNIT_NONE, 0}
#define SCPI_UNITS_LIST_END       {NULL, SCPI_UNIT_NONE, 0}
    typedef struct _scpi_unit_def_t scpi_unit_def_t;

    enum _scpi_special_number_t {
@@ -167,7 +224,7 @@
        const char * name;
        scpi_special_number_t type;
    };
    #define SCPI_SPECIAL_NUMBERS_LIST_END   {NULL, SCPI_NUM_NUMBER}    
#define SCPI_SPECIAL_NUMBERS_LIST_END   {NULL, SCPI_NUM_NUMBER}    
    typedef struct _scpi_special_number_def_t scpi_special_number_def_t;

    struct _scpi_number_t {
@@ -204,6 +261,7 @@
        const scpi_unit_def_t * units;
        const scpi_special_number_def_t * special_numbers;
        void * user_context;
        scpi_parser_state_t parser_state;
    };

#ifdef  __cplusplus