| | |
| | | /*- |
| | | * Copyright (c) 2012-2013 Jan Breuer, |
| | | * BSD 2-Clause License |
| | | * |
| | | * All Rights Reserved |
| | | * |
| | | * 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: |
| | | * 1. Redistributions of source code must retain the above copyright notice, |
| | | * this list of conditions and the following disclaimer. |
| | | * 2. 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 AUTHORS ``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 AUTHORS 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. |
| | | * 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. |
| | | */ |
| | | |
| | | /** |
| | |
| | | } |
| | | |
| | | /** |
| | | * Update latching event register value based on bit transitions from 0 -> 1 |
| | | * in the condition register |
| | | * @param context |
| | | * @param condReg - condition register name |
| | | * @param eventReg - event register name |
| | | */ |
| | | static void regUpdateEvent(scpi_t * context, scpi_reg_val_t oldCondVal, scpi_reg_val_t newCondVal, scpi_reg_name_t eventReg) { |
| | | SCPI_RegSet(context, eventReg, ((oldCondVal ^ newCondVal) & newCondVal) | SCPI_RegGet(context, eventReg)); |
| | | } |
| | | |
| | | /** |
| | | * Update STB register according to value and its mask register |
| | | * @param context |
| | | * @param val value of register |
| | |
| | | * @return register value |
| | | */ |
| | | scpi_reg_val_t SCPI_RegGet(scpi_t * context, scpi_reg_name_t name) { |
| | | if ((name < SCPI_REG_COUNT) && (context->registers != NULL)) { |
| | | if ((name < SCPI_REG_COUNT) && context) { |
| | | return context->registers[name]; |
| | | } else { |
| | | return 0; |
| | |
| | | scpi_reg_val_t mask; |
| | | scpi_reg_val_t old_val; |
| | | |
| | | if ((name >= SCPI_REG_COUNT) || (context->registers == NULL)) { |
| | | if ((name >= SCPI_REG_COUNT) || (context == NULL)) { |
| | | return; |
| | | } |
| | | |
| | |
| | | case SCPI_REG_QUESE: |
| | | regUpdate(context, SCPI_REG_QUES); |
| | | break; |
| | | case SCPI_REG_QUESC: |
| | | regUpdateEvent(context, old_val, val, SCPI_REG_QUES); |
| | | break; |
| | | case SCPI_REG_OPER: |
| | | regUpdateSTB(context, val, SCPI_REG_OPERE, STB_OPS); |
| | | break; |
| | | case SCPI_REG_OPERE: |
| | | regUpdate(context, SCPI_REG_OPER); |
| | | break; |
| | | case SCPI_REG_OPERC: |
| | | regUpdateEvent(context, old_val, val, SCPI_REG_OPER); |
| | | break; |
| | | |
| | | |
| | |
| | | int32_t new_ESE; |
| | | if (SCPI_ParamInt32(context, &new_ESE, TRUE)) { |
| | | SCPI_RegSet(context, SCPI_REG_ESE, (scpi_reg_val_t) new_ESE); |
| | | return SCPI_RES_OK; |
| | | } |
| | | return SCPI_RES_OK; |
| | | return SCPI_RES_ERR; |
| | | } |
| | | |
| | | /** |
| | |
| | | int32_t new_SRE; |
| | | if (SCPI_ParamInt32(context, &new_SRE, TRUE)) { |
| | | SCPI_RegSet(context, SCPI_REG_SRE, (scpi_reg_val_t) new_SRE); |
| | | return SCPI_RES_OK; |
| | | } |
| | | return SCPI_RES_OK; |
| | | return SCPI_RES_ERR; |
| | | } |
| | | |
| | | /** |