/*-
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* Copyright (c) 2012-2013 Jan Breuer,
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*
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* All Rights Reserved
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* @file scpi_error.c
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* @date Thu Nov 15 10:58:45 UTC 2012
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*
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* @brief Error handling and storing routines
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*
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*
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*/
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#include "scpi.h"
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#include "scpi_ieee488.h"
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#include "scpi_error.h"
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#include <stdint.h>
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static int16_t scpi_err = 0;
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/**
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* Clear error queue
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* @param context - scpi context
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*/
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void SCPI_ErrorClear(scpi_context_t * context) {
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(void)context;
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scpi_err = 0;
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}
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/**
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* Push error to queue
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* @param context - scpi context
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* @param err - error number
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*/
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void SCPI_ErrorPush(scpi_context_t * context, int16_t err) {
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scpi_err = err;
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// Command error (e.g. syntax error)
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if ((err < -101) && (err > -158)) {
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SCPI_RegSetBits(SCPI_REG_ESR, ESR_CER);
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}
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// Execution Error (e.g. range error)
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if ((err < -211) && (err > -230)) {
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SCPI_RegSetBits(SCPI_REG_ESR, ESR_EER);
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}
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// Device Dependent Error
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if ((err < -501) && (err > -748)) {
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SCPI_RegSetBits(SCPI_REG_ESR, ESR_DER);
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}
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if (context && context->interface && context->interface->error) {
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context->interface->error(context, err);
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}
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}
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/**
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* Pop error from queue
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* @param context - scpi context
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* @return error number
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*/
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int16_t SCPI_ErrorPop(scpi_context_t * context) {
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(void)context;
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int16_t result = scpi_err;
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scpi_err = 0;
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return result;
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}
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/**
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* Translate error number to string
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* @param err - error number
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* @return Error string representation
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*/
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const char * SCPI_ErrorTranslate(int16_t err) {
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switch(err) {
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case 0: return "No error";
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case SCPI_ERROR_SYNTAX: return "Syntax error";
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case SCPI_ERROR_INVALID_SEPARATOR: return "Invalid separator";
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case SCPI_ERROR_UNDEFINED_HEADER: return "Undefined header";
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case SCPI_ERROR_PARAMETER_NOT_ALLOWED: return "Parameter not allowed";
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case SCPI_ERROR_MISSING_PARAMETER: return "Missing parameter";
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case SCPI_ERROR_INVALID_SUFFIX: return "Invalid suffix";
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case SCPI_ERROR_SUFFIX_NOT_ALLOWED: return "Suffix not allowed";
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default: return "Unknown error";
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}
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}
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