/*-
 * BSD 2-Clause License
 *
 * Copyright (c) 2012-2018, Jan Breuer
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * * Redistributions of source code must retain the above copyright notice, this
 *   list of conditions and the following disclaimer.
 *
 * * Redistributions in binary form must reproduce the above copyright notice,
 *   this list of conditions and the following disclaimer in the documentation
 *   and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/**
 * @file   scpi_minimal.c
 * @date   Thu Nov 15 10:58:45 UTC 2012
 *
 * @brief  SCPI minimal implementation
 *
 *
 */


#include "scpi/parser.h"
#include "scpi/minimal.h"
#include "scpi/constants.h"
#include "scpi/error.h"
#include "scpi/ieee488.h"
#include "utils_private.h"

/**
 * Command stub function
 * @param context
 * @return
 */
scpi_result_t SCPI_Stub(scpi_t * context) {
    (void) context;
    return SCPI_RES_OK;
}

/**
 * Query command stub function
 * @param context
 * @return
 */
scpi_result_t SCPI_StubQ(scpi_t * context) {
    SCPI_ResultInt32(context, 0);
    return SCPI_RES_OK;
}

/**
 * SYSTem:VERSion?
 * @param context
 * @return
 */
scpi_result_t SCPI_SystemVersionQ(scpi_t * context) {
    SCPI_ResultMnemonic(context, SCPI_STD_VERSION_REVISION);
    return SCPI_RES_OK;
}

/**
 * SYSTem:ERRor[:NEXT]?
 * @param context
 * @return
 */
scpi_result_t SCPI_SystemErrorNextQ(scpi_t * context) {
    scpi_error_t error;
    SCPI_ErrorPop(context, &error);
    SCPI_ResultError(context, &error);
#if USE_DEVICE_DEPENDENT_ERROR_INFORMATION
    SCPIDEFINE_free(&context->error_info_heap, error.device_dependent_info, false);
#endif
    return SCPI_RES_OK;
}

/**
 * SYSTem:ERRor:COUNt?
 * @param context
 * @return
 */
scpi_result_t SCPI_SystemErrorCountQ(scpi_t * context) {
    SCPI_ResultInt32(context, SCPI_ErrorCount(context));

    return SCPI_RES_OK;
}

/**
 * STATus:QUEStionable:CONDition?
 * @param context
 * @return
 */
scpi_result_t SCPI_StatusQuestionableConditionQ(scpi_t * context) {
    /* return value */
    SCPI_ResultInt32(context, SCPI_RegGet(context, SCPI_REG_QUESC));

    return SCPI_RES_OK;
}

/**
 * STATus:QUEStionable[:EVENt]?
 * @param context
 * @return
 */
scpi_result_t SCPI_StatusQuestionableEventQ(scpi_t * context) {
    /* return value */
    SCPI_ResultInt32(context, SCPI_RegGet(context, SCPI_REG_QUES));

    /* clear register */
    SCPI_RegSet(context, SCPI_REG_QUES, 0);

    return SCPI_RES_OK;
}

/**
 * STATus:QUEStionable:ENABle?
 * @param context
 * @return
 */
scpi_result_t SCPI_StatusQuestionableEnableQ(scpi_t * context) {
    /* return value */
    SCPI_ResultInt32(context, SCPI_RegGet(context, SCPI_REG_QUESE));

    return SCPI_RES_OK;
}

/**
 * STATus:QUEStionable:ENABle
 * @param context
 * @return
 */
scpi_result_t SCPI_StatusQuestionableEnable(scpi_t * context) {
    int32_t new_QUESE;
    if (SCPI_ParamInt32(context, &new_QUESE, TRUE)) {
        SCPI_RegSet(context, SCPI_REG_QUESE, (scpi_reg_val_t) new_QUESE);
    }
    return SCPI_RES_OK;
}

/**
 * STATus:OPERation:CONDition?
 * @param context
 * @return
 */
scpi_result_t SCPI_StatusOperationConditionQ(scpi_t * context) {
    /* return value */
    SCPI_ResultInt32(context, SCPI_RegGet(context, SCPI_REG_OPERC));

    return SCPI_RES_OK;
}

/**
 * STATus:OPERation[:EVENt]?
 * @param context
 * @return
 */
scpi_result_t SCPI_StatusOperationEventQ(scpi_t * context) {
    /* return value */
    SCPI_ResultInt32(context, SCPI_RegGet(context, SCPI_REG_OPER));

    /* clear register */
    SCPI_RegSet(context, SCPI_REG_OPER, 0);

    return SCPI_RES_OK;
}

/**
 * STATus:OPERation:ENABle?
 * @param context
 * @return
 */
 scpi_result_t SCPI_StatusOperationEnableQ(scpi_t * context) {
    /* return value */
    SCPI_ResultInt32(context, SCPI_RegGet(context, SCPI_REG_OPERE));

    return SCPI_RES_OK;
}

/**
 * STATus:OPERation:ENABle
 * @param context
 * @return
 */
scpi_result_t SCPI_StatusOperationEnable(scpi_t * context) {
    int32_t new_OPERE;
    if (SCPI_ParamInt32(context, &new_OPERE, TRUE)) {
        SCPI_RegSet(context, SCPI_REG_OPERE, (scpi_reg_val_t) new_OPERE);
    }
    return SCPI_RES_OK;
}

/**
 * STATus:PRESet
 * @param context
 * @return
 */
scpi_result_t SCPI_StatusPreset(scpi_t * context) {
    /* clear STATUS:... */
    SCPI_RegSet(context, SCPI_REG_QUES, 0);
    return SCPI_RES_OK;
}