Convert parameter handling to new lexer
| | |
| | | #include "scpi-def.h" |
| | | |
| | | scpi_result_t DMM_MeasureVoltageDcQ(scpi_t * context) { |
| | | scpi_number_t param1, param2; |
| | | scpi_parameter_t param1, param2; |
| | | char bf[15]; |
| | | fprintf(stderr, "meas:volt:dc\r\n"); // debug command name |
| | | |
| | | // read first parameter if present |
| | | if (!SCPI_ParamNumber(context, ¶m1, false)) { |
| | | // do something, if parameter not present |
| | | if (SCPI_Parameter(context, ¶m1, false)) { |
| | | SCPI_ParamTranslateNumberVal(context, ¶m1); |
| | | } |
| | | |
| | | // read second paraeter if present |
| | | if (!SCPI_ParamNumber(context, ¶m2, false)) { |
| | | // do something, if parameter not present |
| | | if (SCPI_Parameter(context, ¶m2, false)) { |
| | | SCPI_ParamTranslateNumberVal(context, ¶m2); |
| | | } |
| | | |
| | | |
| | | SCPI_NumberToStr(context, ¶m1, bf, 15); |
| | | SCPI_NumberToStr(context, ¶m1.number, bf, 15); |
| | | fprintf(stderr, "\tP1=%s\r\n", bf); |
| | | |
| | | |
| | | SCPI_NumberToStr(context, ¶m2, bf, 15); |
| | | SCPI_NumberToStr(context, ¶m2.number, bf, 15); |
| | | fprintf(stderr, "\tP2=%s\r\n", bf); |
| | | |
| | | SCPI_ResultDouble(context, 0); |
| | |
| | | |
| | | |
| | | scpi_result_t DMM_ConfigureVoltageDc(scpi_t * context) { |
| | | double param1, param2; |
| | | scpi_parameter_t param1, param2; |
| | | fprintf(stderr, "conf:volt:dc\r\n"); // debug command name |
| | | |
| | | // read first parameter if present |
| | | if (!SCPI_ParamDouble(context, ¶m1, true)) { |
| | | if (!SCPI_Parameter(context, ¶m1, true)) { |
| | | return SCPI_RES_ERR; |
| | | } |
| | | |
| | | // read second paraeter if present |
| | | if (!SCPI_ParamDouble(context, ¶m2, false)) { |
| | | if (!SCPI_Parameter(context, ¶m2, false)) { |
| | | // do something, if parameter not present |
| | | } |
| | | |
| | | fprintf(stderr, "\tP1=%lf\r\n", param1); |
| | | fprintf(stderr, "\tP2=%lf\r\n", param2); |
| | | fprintf(stderr, "\tP1=%lf\r\n", SCPI_ParamGetDoubleVal(context, ¶m1)); |
| | | fprintf(stderr, "\tP2=%lf\r\n", SCPI_ParamGetDoubleVal(context, ¶m2)); |
| | | |
| | | return SCPI_RES_OK; |
| | | } |
| | |
| | | #define SCPI_ERROR_MISSING_PARAMETER -109 |
| | | #define SCPI_ERROR_INVALID_SUFFIX -131 |
| | | #define SCPI_ERROR_SUFFIX_NOT_ALLOWED -138 |
| | | |
| | | #define SCPI_ERROR_UNKNOWN_PARAMETER -199 // TODO: fix name and value |
| | | #define SCPI_ERROR_INVALID_PARAMETER -198 // TODO: fix name and value |
| | | |
| | | |
| | | #define SCPI_ERROR_EXECUTION_ERROR -200 |
| | | |
| | | #ifdef __cplusplus |
| | |
| | | int SCPI_Parse(scpi_t * context, const char * data, int len); |
| | | |
| | | |
| | | size_t SCPI_ResultString(scpi_t * context, const char * data); |
| | | size_t SCPI_ResultCharacters(scpi_t * context, const char * data, size_t len); |
| | | size_t SCPI_ResultInt(scpi_t * context, int32_t val); |
| | | size_t SCPI_ResultIntBase(scpi_t * context, int32_t val, int8_t base); |
| | | size_t SCPI_ResultDouble(scpi_t * context, double val); |
| | | size_t SCPI_ResultText(scpi_t * context, const char * data); |
| | | size_t SCPI_ResultArbitraryBlock(scpi_t * context, const char * data, size_t len); |
| | | |
| | | bool_t SCPI_ParamInt(scpi_t * context, int32_t * value, bool_t mandatory); |
| | | bool_t SCPI_ParamDouble(scpi_t * context, double * value, bool_t mandatory); |
| | | bool_t SCPI_ParamString(scpi_t * context, const char ** value, size_t * len, bool_t mandatory); |
| | | bool_t SCPI_ParamText(scpi_t * context, const char ** value, size_t * len, bool_t mandatory); |
| | | int32_t SCPI_ParamGetIntVal(scpi_t * context, scpi_parameter_t * parameter); |
| | | double SCPI_ParamGetDoubleVal(scpi_t * context, scpi_parameter_t * parameter); |
| | | void SCPI_ParamGetTextVal(scpi_t * context, scpi_parameter_t * parameter, const char ** data, int32_t * len); |
| | | #define SCPI_ParamGetCharactersVal SCPI_ParamGetTextVal |
| | | #define SCPI_ParamGetArbitraryBlockVal SCPI_ParamGetTextVal |
| | | |
| | | bool_t SCPI_Parameter(scpi_t * context, scpi_parameter_t * parameter, bool_t mandatory); |
| | | |
| | | |
| | | |
| | | int SCPI_ParseProgramData(lex_state_t * state, token_t * token); |
| | | int SCPI_ParseAllProgramData(lex_state_t * state, token_t * token, int * numberOfParameters); |
| | | int SCPI_DetectProgramMessageUnit(scpi_parser_state_t * state, const char * buffer, int len); |
| | | |
| | | |
| | | #ifdef __cplusplus |
| | | } |
| | | #endif |
| | |
| | | |
| | | typedef struct _scpi_command_t scpi_command_t; |
| | | |
| | | struct _scpi_param_list_t { |
| | | const scpi_command_t * cmd; |
| | | const char * parameters; |
| | | size_t length; |
| | | }; |
| | | #define SCPI_CMD_LIST_END {NULL, NULL, } |
| | | typedef struct _scpi_param_list_t scpi_param_list_t; |
| | | |
| | | /* scpi interface */ |
| | | typedef struct _scpi_t scpi_t; |
| | |
| | | #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 { |
| | | struct _scpi_param_list_t { |
| | | const scpi_command_t * cmd; |
| | | lex_state_t lex_state; |
| | | }; |
| | | typedef struct _scpi_param_list_t scpi_param_list_t; |
| | | |
| | | struct _scpi_number_parameter_t { |
| | | double value; |
| | | scpi_unit_t unit; |
| | | int8_t base; |
| | | scpi_special_number_t type; |
| | | }; |
| | | typedef struct _scpi_number_t scpi_number_t; |
| | | typedef struct _scpi_number_parameter_t scpi_number_parameter_t; |
| | | |
| | | struct _scpi_data_parameter_t { |
| | | const char * ptr; |
| | | int32_t len; |
| | | }; |
| | | typedef struct _scpi_data_parameter_t scpi_data_parameter_t; |
| | | |
| | | struct _scpi_parameter_t { |
| | | token_type_t type; |
| | | scpi_data_parameter_t data; |
| | | scpi_number_parameter_t number; |
| | | }; |
| | | typedef struct _scpi_parameter_t scpi_parameter_t; |
| | | |
| | | struct _scpi_command_t { |
| | | const char * pattern; |
| | | scpi_command_callback_t callback; |
| | |
| | | struct _scpi_t { |
| | | const scpi_command_t * cmdlist; |
| | | scpi_buffer_t buffer; |
| | | scpi_param_list_t paramlist; |
| | | scpi_param_list_t param_list; |
| | | scpi_interface_t * interface; |
| | | int_fast16_t output_count; |
| | | int_fast16_t input_count; |
| | |
| | | extern const scpi_unit_def_t scpi_units_def[]; |
| | | extern const scpi_special_number_def_t scpi_special_numbers_def[]; |
| | | |
| | | bool_t SCPI_ParamNumber(scpi_t * context, scpi_number_t * value, bool_t mandatory); |
| | | size_t SCPI_NumberToStr(scpi_t * context, scpi_number_t * value, char * str, size_t len); |
| | | bool_t SCPI_ParamTranslateNumberVal(scpi_t * context, scpi_parameter_t * parameter); |
| | | size_t SCPI_NumberToStr(scpi_t * context, scpi_number_parameter_t * value, char * str, size_t len); |
| | | |
| | | #ifdef __cplusplus |
| | | } |
| | |
| | | */ |
| | | bool_t SCPI_DebugCommand(scpi_t * context) { |
| | | size_t res; |
| | | printf("**DEBUG: %s (\"", context->paramlist.cmd->pattern); |
| | | res = fwrite(context->paramlist.parameters, 1, context->paramlist.length, stdout); |
| | | printf("**DEBUG: %s (\"", context->param_list.cmd->pattern); |
| | | res = fwrite(context->param_list.lex_state.buffer, 1, context->param_list.lex_state.len, stdout); |
| | | (void)res; |
| | | printf("\" - %lu\r\n", (unsigned long)context->paramlist.length); |
| | | printf("\" - %lu\r\n", (unsigned long)context->param_list.lex_state.len); |
| | | |
| | | return TRUE; |
| | | } |
| | |
| | | * @return |
| | | */ |
| | | scpi_result_t SCPI_CoreEse(scpi_t * context) { |
| | | int32_t new_ESE; |
| | | if (SCPI_ParamInt(context, &new_ESE, TRUE)) { |
| | | SCPI_RegSet(context, SCPI_REG_ESE, new_ESE); |
| | | scpi_parameter_t parameter; |
| | | if (SCPI_Parameter(context, ¶meter, TRUE)) { |
| | | SCPI_RegSet(context, SCPI_REG_ESE, SCPI_ParamGetIntVal(context, ¶meter)); |
| | | } |
| | | return SCPI_RES_OK; |
| | | } |
| | |
| | | * @return |
| | | */ |
| | | scpi_result_t SCPI_CoreIdnQ(scpi_t * context) { |
| | | SCPI_ResultString(context, SCPI_MANUFACTURE); |
| | | SCPI_ResultString(context, SCPI_DEV_NAME); |
| | | SCPI_ResultString(context, SCPI_DEV_VERSION); |
| | | SCPI_ResultText(context, SCPI_MANUFACTURE); |
| | | SCPI_ResultText(context, SCPI_DEV_NAME); |
| | | SCPI_ResultText(context, SCPI_DEV_VERSION); |
| | | return SCPI_RES_OK; |
| | | } |
| | | |
| | |
| | | * @return |
| | | */ |
| | | scpi_result_t SCPI_CoreSre(scpi_t * context) { |
| | | int32_t new_SRE; |
| | | if (SCPI_ParamInt(context, &new_SRE, TRUE)) { |
| | | SCPI_RegSet(context, SCPI_REG_SRE, new_SRE); |
| | | scpi_parameter_t parameter; |
| | | if (SCPI_Parameter(context, ¶meter, TRUE)) { |
| | | SCPI_RegSet(context, SCPI_REG_SRE, SCPI_ParamGetIntVal(context, ¶meter)); |
| | | } |
| | | return SCPI_RES_OK; |
| | | } |
| | |
| | | * @return |
| | | */ |
| | | scpi_result_t SCPI_StubQ(scpi_t * context) { |
| | | SCPI_ResultString(context, ""); |
| | | SCPI_ResultInt(context, 0); |
| | | return SCPI_RES_OK; |
| | | } |
| | | |
| | |
| | | * @return |
| | | */ |
| | | scpi_result_t SCPI_SystemVersionQ(scpi_t * context) { |
| | | SCPI_ResultString(context, SCPI_DEV_VERSION); |
| | | SCPI_ResultText(context, SCPI_DEV_VERSION); |
| | | return SCPI_RES_OK; |
| | | } |
| | | |
| | |
| | | * @return |
| | | */ |
| | | scpi_result_t SCPI_StatusQuestionableEnable(scpi_t * context) { |
| | | int32_t new_QUESE; |
| | | if (SCPI_ParamInt(context, &new_QUESE, TRUE)) { |
| | | SCPI_RegSet(context, SCPI_REG_QUESE, new_QUESE); |
| | | scpi_parameter_t parameter; |
| | | if (SCPI_Parameter(context, ¶meter, TRUE)) { |
| | | SCPI_RegSet(context, SCPI_REG_QUESE, SCPI_ParamGetIntVal(context, ¶meter)); |
| | | } |
| | | |
| | | return SCPI_RES_OK; |
| | | } |
| | | |
| | |
| | | #include "utils.h" |
| | | #include "scpi/error.h" |
| | | |
| | | static void paramSkipBytes(scpi_t * context, size_t num); |
| | | static void paramSkipWhitespace(scpi_t * context); |
| | | static bool_t paramNext(scpi_t * context, bool_t mandatory); |
| | | |
| | | /* |
| | | int _strnicmp(const char* s1, const char* s2, int len) { |
| | | int result = 0; |
| | | int i; |
| | | |
| | | for (i = 0; i < len && s1[i] && s2[i]; i++) { |
| | | char c1 = tolower(s1[i]); |
| | | char c2 = tolower(s2[i]); |
| | | if (c1 != c2) { |
| | | result = (int) c1 - (int) c2; |
| | | break; |
| | | } |
| | | } |
| | | |
| | | return result; |
| | | } |
| | | */ |
| | | |
| | | /** |
| | | * Write data to SCPI output |
| | | * @param context |
| | |
| | | * @param context |
| | | */ |
| | | static void processCommand(scpi_t * context) { |
| | | const scpi_command_t * cmd = context->paramlist.cmd; |
| | | const scpi_command_t * cmd = context->param_list.cmd; |
| | | lex_state_t * state = &context->param_list.lex_state; |
| | | |
| | | context->cmd_error = FALSE; |
| | | context->output_count = 0; |
| | |
| | | /* conditionaly write new line */ |
| | | writeNewLine(context); |
| | | |
| | | /* skip all whitespaces */ |
| | | paramSkipWhitespace(context); |
| | | |
| | | /* set error if command callback did not read all parameters */ |
| | | if (context->paramlist.length != 0 && !context->cmd_error) { |
| | | if (state->pos < (state->buffer + state->len) && !context->cmd_error) { |
| | | SCPI_ErrorPush(context, SCPI_ERROR_PARAMETER_NOT_ALLOWED); |
| | | } |
| | | } |
| | |
| | | for (i = 0; context->cmdlist[i].pattern != NULL; i++) { |
| | | cmd = &context->cmdlist[i]; |
| | | if (matchCommand(cmd->pattern, header, len)) { |
| | | context->paramlist.cmd = cmd; |
| | | context->param_list.cmd = cmd; |
| | | return TRUE; |
| | | } |
| | | } |
| | |
| | | if (state->programHeader.len > 0) { |
| | | if (findCommandHeader(context, state->programHeader.ptr, state->programHeader.len)) { |
| | | |
| | | context->paramlist.parameters = state->programData.ptr; |
| | | context->paramlist.length = state->programData.len; |
| | | context->param_list.lex_state.buffer = state->programData.ptr; |
| | | context->param_list.lex_state.pos = context->param_list.lex_state.buffer; |
| | | context->param_list.lex_state.len = state->programData.len; |
| | | |
| | | processCommand(context); |
| | | |
| | |
| | | * @param data |
| | | * @return |
| | | */ |
| | | size_t SCPI_ResultString(scpi_t * context, const char * data) { |
| | | size_t len = strlen(data); |
| | | size_t SCPI_ResultCharacters(scpi_t * context, const char * data, size_t len) { |
| | | size_t result = 0; |
| | | result += writeDelimiter(context); |
| | | result += writeData(context, data, len); |
| | |
| | | * @return |
| | | */ |
| | | size_t SCPI_ResultInt(scpi_t * context, int32_t val) { |
| | | char buffer[12]; |
| | | return SCPI_ResultIntBase(context, val, 10); |
| | | } |
| | | |
| | | static const char * getBasePrefix(int8_t base) { |
| | | switch (base) { |
| | | case 2: return "#B"; |
| | | case 8: return "#Q"; |
| | | case 16: return "#H"; |
| | | default: return NULL; |
| | | } |
| | | } |
| | | |
| | | size_t SCPI_ResultIntBase(scpi_t * context, int32_t val, int8_t base) { |
| | | char buffer[33]; |
| | | const char * basePrefix; |
| | | size_t result = 0; |
| | | size_t len = longToStr(val, buffer, sizeof (buffer)); |
| | | size_t len; |
| | | |
| | | len = longToStr(val, buffer, sizeof (buffer), base); |
| | | basePrefix = getBasePrefix(base); |
| | | |
| | | result += writeDelimiter(context); |
| | | if (basePrefix != NULL) { |
| | | result += writeData(context, basePrefix, 2); |
| | | } |
| | | result += writeData(context, buffer, len); |
| | | context->output_count++; |
| | | return result; |
| | |
| | | |
| | | /* parsing parameters */ |
| | | |
| | | /** |
| | | * Skip num bytes from the begginig of parameters |
| | | * @param context |
| | | * @param num |
| | | */ |
| | | void paramSkipBytes(scpi_t * context, size_t num) { |
| | | if (context->paramlist.length < num) { |
| | | num = context->paramlist.length; |
| | | } |
| | | context->paramlist.parameters += num; |
| | | context->paramlist.length -= num; |
| | | } |
| | | bool_t SCPI_Parameter(scpi_t * context, scpi_parameter_t * parameter, bool_t mandatory) { |
| | | token_t token; |
| | | lex_state_t * state; |
| | | int32_t value; |
| | | |
| | | /** |
| | | * Skip white spaces from the beggining of parameters |
| | | * @param context |
| | | */ |
| | | void paramSkipWhitespace(scpi_t * context) { |
| | | size_t ws = skipWhitespace(context->paramlist.parameters, context->paramlist.length); |
| | | paramSkipBytes(context, ws); |
| | | } |
| | | parameter->data.ptr = NULL; |
| | | parameter->data.len = 0; |
| | | parameter->number.value = 0; |
| | | parameter->number.base = 10; |
| | | parameter->number.unit = SCPI_UNIT_NONE; |
| | | parameter->number.type = SCPI_NUM_NUMBER; |
| | | parameter->type = TokUnknown; |
| | | |
| | | /** |
| | | * Find next parameter |
| | | * @param context |
| | | * @param mandatory |
| | | * @return |
| | | */ |
| | | bool_t paramNext(scpi_t * context, bool_t mandatory) { |
| | | paramSkipWhitespace(context); |
| | | if (context->paramlist.length == 0) { |
| | | state = &context->param_list.lex_state; |
| | | |
| | | if (state->pos >= (state->buffer + state->len)) { |
| | | if (mandatory) { |
| | | SCPI_ErrorPush(context, SCPI_ERROR_MISSING_PARAMETER); |
| | | } else { |
| | | parameter->number.type = SCPI_NUM_DEF; |
| | | parameter->type = TokProgramMnemonic; // TODO: select something different |
| | | } |
| | | return FALSE; |
| | | } |
| | | if (context->input_count != 0) { |
| | | if (context->paramlist.parameters[0] == ',') { |
| | | paramSkipBytes(context, 1); |
| | | paramSkipWhitespace(context); |
| | | } else { |
| | | SCPI_LexComma(state, &token); |
| | | if (token.type != TokComma) { |
| | | SCPI_ErrorPush(context, SCPI_ERROR_INVALID_SEPARATOR); |
| | | return FALSE; |
| | | } |
| | | } |
| | | |
| | | context->input_count++; |
| | | return TRUE; |
| | | |
| | | SCPI_ParseProgramData(&context->param_list.lex_state, &token); |
| | | |
| | | parameter->type = token.type; |
| | | parameter->data.ptr = token.ptr; |
| | | parameter->data.len = token.len; |
| | | |
| | | switch (token.type) { |
| | | case TokHexnum: |
| | | parameter->number.base = 16; |
| | | strToLong(token.ptr, &value, 16); |
| | | parameter->number.value = value; |
| | | return TRUE; |
| | | case TokOctnum: |
| | | parameter->number.base = 8; |
| | | strToLong(token.ptr, &value, 8); |
| | | parameter->number.value = value; |
| | | return TRUE; |
| | | case TokBinnum: |
| | | parameter->number.base = 2; |
| | | strToLong(token.ptr, &value, 2); |
| | | parameter->number.value = value; |
| | | return TRUE; |
| | | case TokProgramMnemonic: |
| | | return TRUE; |
| | | case TokDecimalNumericProgramData: |
| | | strToDouble(token.ptr, ¶meter->number.value); |
| | | return TRUE; |
| | | case TokDecimalNumericProgramDataWithSuffix: |
| | | strToDouble(token.ptr, ¶meter->number.value); |
| | | return TRUE; |
| | | case TokArbitraryBlockProgramData: |
| | | return TRUE; |
| | | case TokSingleQuoteProgramData: |
| | | // TODO: replace double "single qoute" |
| | | return TRUE; |
| | | case TokDoubleQuoteProgramData: |
| | | // TODO: replace double "double qoute" |
| | | return TRUE; |
| | | case TokProgramExpression: |
| | | return TRUE; |
| | | default: |
| | | parameter->type = TokUnknown; |
| | | parameter->data.ptr = NULL; |
| | | parameter->data.len = 0; |
| | | SCPI_ErrorPush(context, SCPI_ERROR_UNKNOWN_PARAMETER); |
| | | return FALSE; |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * Parse integer parameter |
| | | * @param context |
| | | * @param value |
| | | * @param mandatory |
| | | * @return |
| | | */ |
| | | bool_t SCPI_ParamInt(scpi_t * context, int32_t * value, bool_t mandatory) { |
| | | const char * param; |
| | | size_t param_len; |
| | | size_t num_len; |
| | | |
| | | if (!value) { |
| | | return FALSE; |
| | | int32_t SCPI_ParamGetIntVal(scpi_t * context, scpi_parameter_t * parameter) { |
| | | switch (parameter->type) { |
| | | case TokHexnum: |
| | | case TokOctnum: |
| | | case TokBinnum: |
| | | case TokDecimalNumericProgramData: |
| | | case TokDecimalNumericProgramDataWithSuffix: |
| | | return parameter->number.value; |
| | | default: |
| | | SCPI_ErrorPush(context, SCPI_ERROR_INVALID_PARAMETER); |
| | | return 0; |
| | | } |
| | | |
| | | if (!SCPI_ParamString(context, ¶m, ¶m_len, mandatory)) { |
| | | return FALSE; |
| | | } |
| | | |
| | | num_len = strToLong(param, value); |
| | | |
| | | if (num_len != param_len) { |
| | | SCPI_ErrorPush(context, SCPI_ERROR_SUFFIX_NOT_ALLOWED); |
| | | return FALSE; |
| | | } |
| | | |
| | | return TRUE; |
| | | } |
| | | |
| | | /** |
| | | * Parse double parameter |
| | | * @param context |
| | | * @param value |
| | | * @param mandatory |
| | | * @return |
| | | */ |
| | | bool_t SCPI_ParamDouble(scpi_t * context, double * value, bool_t mandatory) { |
| | | const char * param; |
| | | size_t param_len; |
| | | size_t num_len; |
| | | |
| | | if (!value) { |
| | | return FALSE; |
| | | } |
| | | |
| | | if (!SCPI_ParamString(context, ¶m, ¶m_len, mandatory)) { |
| | | return FALSE; |
| | | } |
| | | |
| | | num_len = strToDouble(param, value); |
| | | |
| | | if (num_len != param_len) { |
| | | SCPI_ErrorPush(context, SCPI_ERROR_SUFFIX_NOT_ALLOWED); |
| | | return FALSE; |
| | | } |
| | | |
| | | return TRUE; |
| | | double SCPI_ParamGetDoubleVal(scpi_t * context, scpi_parameter_t * parameter) { |
| | | return parameter->number.value; |
| | | } |
| | | |
| | | /** |
| | | * Parse string parameter |
| | | * @param context |
| | | * @param value |
| | | * @param len |
| | | * @param mandatory |
| | | * @return |
| | | */ |
| | | bool_t SCPI_ParamString(scpi_t * context, const char ** value, size_t * len, bool_t mandatory) { |
| | | size_t length; |
| | | |
| | | if (!value || !len) { |
| | | return FALSE; |
| | | } |
| | | |
| | | if (!paramNext(context, mandatory)) { |
| | | return FALSE; |
| | | } |
| | | |
| | | if (locateStr(context->paramlist.parameters, context->paramlist.length, value, &length)) { |
| | | paramSkipBytes(context, length); |
| | | paramSkipWhitespace(context); |
| | | if (len) { |
| | | *len = length; |
| | | } |
| | | return TRUE; |
| | | } |
| | | |
| | | return FALSE; |
| | | } |
| | | |
| | | /** |
| | | * Parse text parameter (can be inside "") |
| | | * @param context |
| | | * @param value |
| | | * @param len |
| | | * @param mandatory |
| | | * @return |
| | | */ |
| | | bool_t SCPI_ParamText(scpi_t * context, const char ** value, size_t * len, bool_t mandatory) { |
| | | size_t length; |
| | | |
| | | if (!value || !len) { |
| | | return FALSE; |
| | | } |
| | | |
| | | if (!paramNext(context, mandatory)) { |
| | | return FALSE; |
| | | } |
| | | |
| | | if (locateText(context->paramlist.parameters, context->paramlist.length, value, &length)) { |
| | | paramSkipBytes(context, length); |
| | | if (len) { |
| | | *len = length; |
| | | } |
| | | return TRUE; |
| | | } |
| | | |
| | | return FALSE; |
| | | void SCPI_ParamGetTextVal(scpi_t * context, scpi_parameter_t * parameter, const char ** data, int32_t * len) { |
| | | *data = parameter->data.ptr; |
| | | *len = parameter->data.len; |
| | | } |
| | | |
| | | int SCPI_ParseProgramData(lex_state_t * state, token_t * token) { |
| | |
| | | #include "scpi/units.h" |
| | | #include "utils.h" |
| | | #include "scpi/error.h" |
| | | #include "scpi/lexer.h" |
| | | |
| | | |
| | | /* |
| | |
| | | */ |
| | | const scpi_unit_def_t scpi_units_def[] = { |
| | | /* voltage */ |
| | | {/* name */ "UV", /* unit */ SCPI_UNIT_VOLT, /* mult */ 1e-6}, |
| | | {/* name */ "MV", /* unit */ SCPI_UNIT_VOLT, /* mult */ 1e-3}, |
| | | {/* name */ "V", /* unit */ SCPI_UNIT_VOLT, /* mult */ 1}, |
| | | {/* name */ "KV", /* unit */ SCPI_UNIT_VOLT, /* mult */ 1e3}, |
| | | {/* name */ "UV", /* unit */ SCPI_UNIT_VOLT, /* mult */ 1e-6}, |
| | | {/* name */ "MV", /* unit */ SCPI_UNIT_VOLT, /* mult */ 1e-3}, |
| | | {/* name */ "V", /* unit */ SCPI_UNIT_VOLT, /* mult */ 1}, |
| | | {/* name */ "KV", /* unit */ SCPI_UNIT_VOLT, /* mult */ 1e3}, |
| | | |
| | | /* current */ |
| | | {/* name */ "UA", /* unit */ SCPI_UNIT_AMPER, /* mult */ 1e-6}, |
| | | {/* name */ "MA", /* unit */ SCPI_UNIT_AMPER, /* mult */ 1e-3}, |
| | | {/* name */ "A", /* unit */ SCPI_UNIT_AMPER, /* mult */ 1}, |
| | | {/* name */ "KA", /* unit */ SCPI_UNIT_AMPER, /* mult */ 1e3}, |
| | | {/* name */ "UA", /* unit */ SCPI_UNIT_AMPER, /* mult */ 1e-6}, |
| | | {/* name */ "MA", /* unit */ SCPI_UNIT_AMPER, /* mult */ 1e-3}, |
| | | {/* name */ "A", /* unit */ SCPI_UNIT_AMPER, /* mult */ 1}, |
| | | {/* name */ "KA", /* unit */ SCPI_UNIT_AMPER, /* mult */ 1e3}, |
| | | |
| | | /* resistance */ |
| | | {/* name */ "OHM", /* unit */ SCPI_UNIT_OHM, /* mult */ 1}, |
| | | {/* name */ "KOHM", /* unit */ SCPI_UNIT_OHM, /* mult */ 1e3}, |
| | | {/* name */ "MOHM", /* unit */ SCPI_UNIT_OHM, /* mult */ 1e6}, |
| | | {/* name */ "OHM", /* unit */ SCPI_UNIT_OHM, /* mult */ 1}, |
| | | {/* name */ "KOHM", /* unit */ SCPI_UNIT_OHM, /* mult */ 1e3}, |
| | | {/* name */ "MOHM", /* unit */ SCPI_UNIT_OHM, /* mult */ 1e6}, |
| | | |
| | | /* frequency */ |
| | | {/* name */ "HZ", /* unit */ SCPI_UNIT_HERTZ, /* mult */ 1}, |
| | | {/* name */ "KHZ", /* unit */ SCPI_UNIT_HERTZ, /* mult */ 1e3}, |
| | | {/* name */ "MHZ", /* unit */ SCPI_UNIT_HERTZ, /* mult */ 1e6}, |
| | | {/* name */ "GHZ", /* unit */ SCPI_UNIT_HERTZ, /* mult */ 1e9}, |
| | | {/* name */ "HZ", /* unit */ SCPI_UNIT_HERTZ, /* mult */ 1}, |
| | | {/* name */ "KHZ", /* unit */ SCPI_UNIT_HERTZ, /* mult */ 1e3}, |
| | | {/* name */ "MHZ", /* unit */ SCPI_UNIT_HERTZ, /* mult */ 1e6}, |
| | | {/* name */ "GHZ", /* unit */ SCPI_UNIT_HERTZ, /* mult */ 1e9}, |
| | | |
| | | /* temperature */ |
| | | {/* name */ "CEL", /* unit */ SCPI_UNIT_CELSIUS, /* mult */ 1}, |
| | | {/* name */ "CEL", /* unit */ SCPI_UNIT_CELSIUS, /* mult */ 1}, |
| | | |
| | | /* time */ |
| | | {/* name */ "PS", /* unit */ SCPI_UNIT_SECONDS, /* mult */ 1e-12}, |
| | | {/* name */ "NS", /* unit */ SCPI_UNIT_SECONDS, /* mult */ 1e-9}, |
| | | {/* name */ "US", /* unit */ SCPI_UNIT_SECONDS, /* mult */ 1e-6}, |
| | | {/* name */ "MS", /* unit */ SCPI_UNIT_SECONDS, /* mult */ 1e-3}, |
| | | {/* name */ "S", /* unit */ SCPI_UNIT_SECONDS, /* mult */ 1}, |
| | | {/* name */ "MIN", /* unit */ SCPI_UNIT_SECONDS, /* mult */ 60}, |
| | | {/* name */ "HR", /* unit */ SCPI_UNIT_SECONDS, /* mult */ 3600}, |
| | | {/* name */ "PS", /* unit */ SCPI_UNIT_SECONDS, /* mult */ 1e-12}, |
| | | {/* name */ "NS", /* unit */ SCPI_UNIT_SECONDS, /* mult */ 1e-9}, |
| | | {/* name */ "US", /* unit */ SCPI_UNIT_SECONDS, /* mult */ 1e-6}, |
| | | {/* name */ "MS", /* unit */ SCPI_UNIT_SECONDS, /* mult */ 1e-3}, |
| | | {/* name */ "S", /* unit */ SCPI_UNIT_SECONDS, /* mult */ 1}, |
| | | {/* name */ "MIN", /* unit */ SCPI_UNIT_SECONDS, /* mult */ 60}, |
| | | {/* name */ "HR", /* unit */ SCPI_UNIT_SECONDS, /* mult */ 3600}, |
| | | |
| | | SCPI_UNITS_LIST_END, |
| | | }; |
| | |
| | | * Special number values definition |
| | | */ |
| | | const scpi_special_number_def_t scpi_special_numbers_def[] = { |
| | | {/* name */ "MINimum", /* type */ SCPI_NUM_MIN}, |
| | | {/* name */ "MAXimum", /* type */ SCPI_NUM_MAX}, |
| | | {/* name */ "DEFault", /* type */ SCPI_NUM_DEF}, |
| | | {/* name */ "UP", /* type */ SCPI_NUM_UP}, |
| | | {/* name */ "DOWN", /* type */ SCPI_NUM_DOWN}, |
| | | {/* name */ "NAN", /* type */ SCPI_NUM_NAN}, |
| | | {/* name */ "INF", /* type */ SCPI_NUM_INF}, |
| | | {/* name */ "NINF", /* type */ SCPI_NUM_NINF}, |
| | | {/* name */ "MINimum", /* type */ SCPI_NUM_MIN}, |
| | | {/* name */ "MAXimum", /* type */ SCPI_NUM_MAX}, |
| | | {/* name */ "DEFault", /* type */ SCPI_NUM_DEF}, |
| | | {/* name */ "UP", /* type */ SCPI_NUM_UP}, |
| | | {/* name */ "DOWN", /* type */ SCPI_NUM_DOWN}, |
| | | {/* name */ "NAN", /* type */ SCPI_NUM_NAN}, |
| | | {/* name */ "INF", /* type */ SCPI_NUM_INF}, |
| | | {/* name */ "NINF", /* type */ SCPI_NUM_NINF}, |
| | | SCPI_SPECIAL_NUMBERS_LIST_END, |
| | | }; |
| | | |
| | |
| | | * @param value resultin value |
| | | * @return TRUE if str matches one of specs patterns |
| | | */ |
| | | static bool_t translateSpecialNumber(const scpi_special_number_def_t * specs, const char * str, size_t len, scpi_number_t * value) { |
| | | static bool_t translateSpecialNumber(const scpi_special_number_def_t * specs, const char * str, size_t len, scpi_number_parameter_t * value) { |
| | | int i; |
| | | |
| | | value->value = 0.0; |
| | |
| | | if (specs == NULL) { |
| | | return NULL; |
| | | } |
| | | |
| | | |
| | | for (i = 0; specs[i].name != NULL; i++) { |
| | | if (specs[i].type == type) { |
| | | return specs[i].name; |
| | |
| | | */ |
| | | static const scpi_unit_def_t * translateUnit(const scpi_unit_def_t * units, const char * unit, size_t len) { |
| | | int i; |
| | | |
| | | |
| | | if (units == NULL) { |
| | | return NULL; |
| | | } |
| | | |
| | | |
| | | for (i = 0; units[i].name != NULL; i++) { |
| | | if (compareStr(unit, len, units[i].name, strlen(units[i].name))) { |
| | | return &units[i]; |
| | |
| | | */ |
| | | static const char * translateUnitInverse(const scpi_unit_def_t * units, const scpi_unit_t unit) { |
| | | int i; |
| | | |
| | | |
| | | if (units == NULL) { |
| | | return NULL; |
| | | } |
| | | |
| | | |
| | | for (i = 0; units[i].name != NULL; i++) { |
| | | if ((units[i].unit == unit) && (units[i].mult == 1)) { |
| | | return units[i].name; |
| | |
| | | * @param value preparsed numeric value |
| | | * @return TRUE if value parameter was converted to base units |
| | | */ |
| | | static bool_t transformNumber(scpi_t * context, const char * unit, size_t len, scpi_number_t * value) { |
| | | static bool_t transformNumber(scpi_t * context, const char * unit, size_t len, scpi_number_parameter_t * value) { |
| | | size_t s; |
| | | const scpi_unit_def_t * unitDef; |
| | | s = skipWhitespace(unit, len); |
| | |
| | | * @param mandatory if the parameter is mandatory |
| | | * @return |
| | | */ |
| | | bool_t SCPI_ParamNumber(scpi_t * context, scpi_number_t * value, bool_t mandatory) { |
| | | bool_t result; |
| | | const char * param; |
| | | size_t len; |
| | | size_t numlen; |
| | | bool_t SCPI_ParamTranslateNumberVal(scpi_t * context, scpi_parameter_t * parameter) { |
| | | token_t token; |
| | | lex_state_t state; |
| | | |
| | | /* read parameter and shift to the next one */ |
| | | result = SCPI_ParamString(context, ¶m, &len, mandatory); |
| | | state.buffer = parameter->data.ptr; |
| | | state.pos = state.buffer; |
| | | state.len = parameter->data.len; |
| | | |
| | | /* value not initializes */ |
| | | if (!value) { |
| | | return FALSE; |
| | | if (parameter->type == TokDecimalNumericProgramDataWithSuffix) { |
| | | SCPI_LexDecimalNumericProgramData(&state, &token); |
| | | SCPI_LexWhiteSpace(&state, &token); |
| | | SCPI_LexSuffixProgramData(&state, &token); |
| | | |
| | | return transformNumber(context, token.ptr, token.len, ¶meter->number); |
| | | |
| | | } else if (parameter->type == TokProgramMnemonic) { |
| | | SCPI_LexWhiteSpace(&state, &token); |
| | | SCPI_LexCharacterProgramData(&state, &token); |
| | | |
| | | /* convert string to special number type */ |
| | | if (translateSpecialNumber(context->special_numbers, token.ptr, token.len, ¶meter->number)) { |
| | | /* found special type */ |
| | | return TRUE; |
| | | } |
| | | } |
| | | |
| | | value->type = SCPI_NUM_DEF; |
| | | |
| | | /* if parameter was not found, return TRUE or FALSE according |
| | | * to fact that parameter was mandatory or not */ |
| | | if (!result) { |
| | | return mandatory ? FALSE : TRUE; |
| | | } |
| | | |
| | | /* convert string to special number type */ |
| | | if (translateSpecialNumber(context->special_numbers, param, len, value)) { |
| | | /* found special type */ |
| | | return TRUE; |
| | | } |
| | | |
| | | /* convert text from double - no special type */ |
| | | numlen = strToDouble(param, &value->value); |
| | | |
| | | /* transform units of value */ |
| | | if (numlen <= len) { |
| | | return transformNumber(context, param + numlen, len - numlen, value); |
| | | } |
| | | return FALSE; |
| | | |
| | | } |
| | | |
| | | /** |
| | |
| | | * @param len max length of string |
| | | * @return number of chars written to string |
| | | */ |
| | | size_t SCPI_NumberToStr(scpi_t * context, scpi_number_t * value, char * str, size_t len) { |
| | | size_t SCPI_NumberToStr(scpi_t * context, scpi_number_parameter_t * value, char * str, size_t len) { |
| | | const char * type; |
| | | const char * unit; |
| | | size_t result; |
| | |
| | | * @param len string buffer length |
| | | * @return number of bytes written to str (without '\0') |
| | | */ |
| | | size_t longToStr(int32_t val, char * str, size_t len) { |
| | | // TODO: add support for other bases |
| | | size_t longToStr(int32_t val, char * str, size_t len, int8_t base) { |
| | | uint32_t x = 1000000000L; |
| | | int_fast8_t digit; |
| | | size_t pos = 0; |
| | |
| | | * @param val 32bit integer result |
| | | * @return number of bytes used in string |
| | | */ |
| | | size_t strToLong(const char * str, int32_t * val) { |
| | | size_t strToLong(const char * str, int32_t * val, int8_t base) { |
| | | char * endptr; |
| | | *val = strtol(str, &endptr, 0); |
| | | *val = strtol(str, &endptr, base); |
| | | return endptr - str; |
| | | } |
| | | |
| | |
| | | |
| | | char * strnpbrk(const char *str, size_t size, const char *set) LOCAL; |
| | | bool_t compareStr(const char * str1, size_t len1, const char * str2, size_t len2) LOCAL; |
| | | size_t longToStr(int32_t val, char * str, size_t len) LOCAL; |
| | | size_t longToStr(int32_t val, char * str, size_t len, int8_t base) LOCAL; |
| | | size_t doubleToStr(double val, char * str, size_t len) LOCAL; |
| | | size_t strToLong(const char * str, int32_t * val) LOCAL; |
| | | size_t strToLong(const char * str, int32_t * val, int8_t base) LOCAL; |
| | | size_t strToDouble(const char * str, double * val) LOCAL; |
| | | bool_t locateText(const char * str1, size_t len1, const char ** str2, size_t * len2) LOCAL; |
| | | bool_t locateStr(const char * str1, size_t len1, const char ** str2, size_t * len2) LOCAL; |
| | |
| | | char str[32]; |
| | | size_t len; |
| | | |
| | | len = longToStr(10, str, 32); |
| | | len = longToStr(10, str, 32, 10); |
| | | CU_ASSERT(len == 2); |
| | | CU_ASSERT(str[0] == '1'); |
| | | CU_ASSERT(str[1] == '0'); |
| | |
| | | size_t result; |
| | | int32_t val; |
| | | |
| | | #define TEST_STR_TO_LONG(s, r, v) \ |
| | | #define TEST_STR_TO_LONG(s, r, v, b) \ |
| | | do { \ |
| | | result = strToLong(s, &val); \ |
| | | result = strToLong(s, &val, b); \ |
| | | CU_ASSERT_EQUAL(val, v); \ |
| | | CU_ASSERT_EQUAL(result, r); \ |
| | | } while(0) \ |
| | | |
| | | TEST_STR_TO_LONG("", 0, 0); |
| | | TEST_STR_TO_LONG("1", 1, 1); |
| | | TEST_STR_TO_LONG("10", 2, 10); |
| | | TEST_STR_TO_LONG("-50", 3, -50); |
| | | TEST_STR_TO_LONG("100MHz", 3, 100); |
| | | TEST_STR_TO_LONG("MHz", 0, 0); |
| | | TEST_STR_TO_LONG("1.4", 1, 1); |
| | | TEST_STR_TO_LONG(" 1", 2, 1); |
| | | TEST_STR_TO_LONG(" +100", 5, 100); // space and + |
| | | TEST_STR_TO_LONG("0xFF", 4, 255); // hexadecimal FF |
| | | TEST_STR_TO_LONG("077", 3, 63); // octal 77 |
| | | TEST_STR_TO_LONG("018", 2, 1); // octal 1, 8 is ignored |
| | | TEST_STR_TO_LONG("", 0, 0, 10); |
| | | TEST_STR_TO_LONG("1", 1, 1, 10); |
| | | TEST_STR_TO_LONG("10", 2, 10, 10); |
| | | TEST_STR_TO_LONG("-50", 3, -50, 10); |
| | | TEST_STR_TO_LONG("100MHz", 3, 100, 10); |
| | | TEST_STR_TO_LONG("MHz", 0, 0, 10); |
| | | TEST_STR_TO_LONG("1.4", 1, 1, 10); |
| | | TEST_STR_TO_LONG(" 1", 2, 1, 10); |
| | | TEST_STR_TO_LONG(" +100", 5, 100, 10); // space and + |
| | | TEST_STR_TO_LONG("FF", 2, 255, 16); // hexadecimal FF |
| | | TEST_STR_TO_LONG("77", 2, 63, 8); // octal 77 |
| | | TEST_STR_TO_LONG("18", 1, 1, 8); // octal 1, 8 is ignored |
| | | } |
| | | |
| | | void test_strToDouble() { |