| | |
| | | /*- |
| | | * 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. |
| | | */ |
| | | |
| | | /** |
| | |
| | | #include "scpi/parser.h" |
| | | #include "scpi/ieee488.h" |
| | | #include "scpi/error.h" |
| | | #include "scpi/constants.h" |
| | | |
| | | #include <stdio.h> |
| | | |
| | | /** |
| | | * Update register value |
| | | * @param context |
| | | * @param name - register name |
| | | */ |
| | | static void regUpdate(scpi_t * context, scpi_reg_name_t name) { |
| | | SCPI_RegSet(context, name, SCPI_RegGet(context, name)); |
| | | } |
| | | static const scpi_reg_info_t scpi_reg_details[SCPI_REG_COUNT] = { |
| | | { SCPI_REG_CLASS_STB, SCPI_REG_GROUP_STB }, |
| | | { SCPI_REG_CLASS_SRE, SCPI_REG_GROUP_STB }, |
| | | { SCPI_REG_CLASS_EVEN, SCPI_REG_GROUP_ESR }, |
| | | { SCPI_REG_CLASS_ENAB, SCPI_REG_GROUP_ESR }, |
| | | { SCPI_REG_CLASS_EVEN, SCPI_REG_GROUP_OPER }, |
| | | { SCPI_REG_CLASS_ENAB, SCPI_REG_GROUP_OPER }, |
| | | { SCPI_REG_CLASS_COND, SCPI_REG_GROUP_OPER }, |
| | | { SCPI_REG_CLASS_EVEN, SCPI_REG_GROUP_QUES }, |
| | | { SCPI_REG_CLASS_ENAB, SCPI_REG_GROUP_QUES }, |
| | | { SCPI_REG_CLASS_COND, SCPI_REG_GROUP_QUES }, |
| | | |
| | | /** |
| | | * Update STB register according to value and its mask register |
| | | * @param context |
| | | * @param val value of register |
| | | * @param mask name of mask register (enable register) |
| | | * @param stbBits bits to clear or set in STB |
| | | */ |
| | | static void regUpdateSTB(scpi_t * context, scpi_reg_val_t val, scpi_reg_name_t mask, scpi_reg_val_t stbBits) { |
| | | if (val & SCPI_RegGet(context, mask)) { |
| | | SCPI_RegSetBits(context, SCPI_REG_STB, stbBits); |
| | | } else { |
| | | SCPI_RegClearBits(context, SCPI_REG_STB, stbBits); |
| | | } |
| | | } |
| | | #if USE_CUSTOM_REGISTERS |
| | | #ifndef USER_REGISTER_DETAILS |
| | | #error "No user register details defined" |
| | | #else |
| | | USER_REGISTER_DETAILS |
| | | #endif |
| | | #endif |
| | | |
| | | }; |
| | | |
| | | static const scpi_reg_group_info_t scpi_reg_group_details[SCPI_REG_GROUP_COUNT] = { |
| | | { |
| | | SCPI_REG_STB, |
| | | SCPI_REG_SRE, |
| | | SCPI_REG_NONE, |
| | | SCPI_REG_NONE, |
| | | SCPI_REG_NONE, |
| | | SCPI_REG_NONE, |
| | | 0 |
| | | }, /* SCPI_REG_GROUP_STB */ |
| | | { |
| | | SCPI_REG_ESR, |
| | | SCPI_REG_ESE, |
| | | SCPI_REG_NONE, |
| | | SCPI_REG_NONE, |
| | | SCPI_REG_NONE, |
| | | SCPI_REG_STB, |
| | | STB_ESR |
| | | }, /* SCPI_REG_GROUP_ESR */ |
| | | { |
| | | SCPI_REG_OPER, |
| | | SCPI_REG_OPERE, |
| | | SCPI_REG_OPERC, |
| | | SCPI_REG_NONE, |
| | | SCPI_REG_NONE, |
| | | SCPI_REG_STB, |
| | | STB_OPS |
| | | }, /* SCPI_REG_GROUP_OPER */ |
| | | { |
| | | SCPI_REG_QUES, |
| | | SCPI_REG_QUESE, |
| | | SCPI_REG_QUESC, |
| | | SCPI_REG_NONE, |
| | | SCPI_REG_NONE, |
| | | SCPI_REG_STB, |
| | | STB_QES |
| | | }, /* SCPI_REG_GROUP_QUES */ |
| | | |
| | | #if USE_CUSTOM_REGISTERS |
| | | #ifndef USER_REGISTER_GROUP_DETAILS |
| | | #error "No user register group details defined" |
| | | #else |
| | | USER_REGISTER_GROUP_DETAILS |
| | | #endif |
| | | #endif |
| | | |
| | | }; |
| | | |
| | | /** |
| | | * Get register value |
| | |
| | | * @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; |
| | |
| | | * @param val - new value |
| | | */ |
| | | void SCPI_RegSet(scpi_t * context, scpi_reg_name_t name, scpi_reg_val_t val) { |
| | | scpi_bool_t srq = FALSE; |
| | | 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; |
| | | } |
| | | |
| | | /* store old register value */ |
| | | old_val = context->registers[name]; |
| | | |
| | | /* set register value */ |
| | | context->registers[name] = val; |
| | | scpi_reg_group_info_t register_group; |
| | | |
| | | /** @TODO: remove recutsion */ |
| | | switch (name) { |
| | | case SCPI_REG_STB: |
| | | mask = SCPI_RegGet(context, SCPI_REG_SRE); |
| | | mask &= ~STB_SRQ; |
| | | if (val & mask) { |
| | | val |= STB_SRQ; |
| | | /* avoid sending SRQ if nothing has changed */ |
| | | if (old_val != val) { |
| | | srq = TRUE; |
| | | do { |
| | | scpi_reg_class_t register_type = scpi_reg_details[name].type; |
| | | register_group = scpi_reg_group_details[scpi_reg_details[name].group]; |
| | | |
| | | scpi_reg_val_t ptrans; |
| | | |
| | | /* store old register value */ |
| | | scpi_reg_val_t old_val = context->registers[name]; |
| | | |
| | | if (old_val == val) { |
| | | return; |
| | | } else { |
| | | context->registers[name] = val; |
| | | } |
| | | |
| | | switch (register_type) { |
| | | case SCPI_REG_CLASS_STB: |
| | | case SCPI_REG_CLASS_SRE: |
| | | { |
| | | scpi_reg_val_t stb = context->registers[SCPI_REG_STB] & ~STB_SRQ; |
| | | scpi_reg_val_t sre = context->registers[SCPI_REG_SRE] & ~STB_SRQ; |
| | | |
| | | if (stb & sre) { |
| | | ptrans = ((old_val ^ val) & val); |
| | | context->registers[SCPI_REG_STB] |= STB_SRQ; |
| | | if (ptrans & val) |
| | | { |
| | | writeControl(context, SCPI_CTRL_SRQ, context->registers[SCPI_REG_STB]); |
| | | } |
| | | } else |
| | | { |
| | | context->registers[SCPI_REG_STB] &= ~STB_SRQ; |
| | | } |
| | | } else { |
| | | val &= ~STB_SRQ; |
| | | break; |
| | | } |
| | | break; |
| | | case SCPI_REG_SRE: |
| | | regUpdate(context, SCPI_REG_STB); |
| | | break; |
| | | case SCPI_REG_ESR: |
| | | regUpdateSTB(context, val, SCPI_REG_ESE, STB_ESR); |
| | | break; |
| | | case SCPI_REG_ESE: |
| | | regUpdate(context, SCPI_REG_ESR); |
| | | break; |
| | | case SCPI_REG_QUES: |
| | | regUpdateSTB(context, val, SCPI_REG_QUESE, STB_QES); |
| | | break; |
| | | case SCPI_REG_QUESE: |
| | | regUpdate(context, 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_COUNT: |
| | | /* nothing to do */ |
| | | break; |
| | | } |
| | | case SCPI_REG_CLASS_EVEN: |
| | | { |
| | | scpi_reg_val_t enable; |
| | | if(register_group.enable != SCPI_REG_NONE) { |
| | | enable = SCPI_RegGet(context, register_group.enable); |
| | | } else { |
| | | enable = 0xFFFF; |
| | | } |
| | | |
| | | /* set updated register value */ |
| | | context->registers[name] = val; |
| | | scpi_bool_t summary = val & enable; |
| | | |
| | | if (srq) { |
| | | writeControl(context, SCPI_CTRL_SRQ, SCPI_RegGet(context, SCPI_REG_STB)); |
| | | } |
| | | name = register_group.parent_reg; |
| | | val = SCPI_RegGet(context, register_group.parent_reg); |
| | | if (summary) { |
| | | val |= register_group.parent_bit; |
| | | } else { |
| | | val &= ~(register_group.parent_bit); |
| | | } |
| | | break; |
| | | } |
| | | case SCPI_REG_CLASS_COND: |
| | | { |
| | | name = register_group.event; |
| | | |
| | | if(register_group.ptfilt == SCPI_REG_NONE && register_group.ntfilt == SCPI_REG_NONE) { |
| | | val = ((old_val ^ val) & val) | SCPI_RegGet(context, register_group.event); |
| | | } else { |
| | | scpi_reg_val_t ptfilt = 0, ntfilt = 0; |
| | | scpi_reg_val_t transitions; |
| | | scpi_reg_val_t ntrans; |
| | | |
| | | if(register_group.ptfilt != SCPI_REG_NONE) { |
| | | ptfilt = SCPI_RegGet(context, register_group.ptfilt); |
| | | } |
| | | |
| | | if(register_group.ntfilt != SCPI_REG_NONE) { |
| | | ntfilt = SCPI_RegGet(context, register_group.ntfilt); |
| | | } |
| | | |
| | | transitions = old_val ^ val; |
| | | ptrans = transitions & val; |
| | | ntrans = transitions & ~ptrans; |
| | | |
| | | val = ((ptrans & ptfilt) | (ntrans & ntfilt)) | SCPI_RegGet(context, register_group.event); |
| | | } |
| | | break; |
| | | } |
| | | case SCPI_REG_CLASS_ENAB: |
| | | case SCPI_REG_CLASS_NTR: |
| | | case SCPI_REG_CLASS_PTR: |
| | | return; |
| | | } |
| | | } while(register_group.parent_reg != SCPI_REG_NONE); |
| | | } |
| | | |
| | | /** |
| | |
| | | } |
| | | |
| | | /** |
| | | * Clear event register |
| | | * @param context |
| | | */ |
| | | void SCPI_EventClear(scpi_t * context) { |
| | | /* TODO */ |
| | | SCPI_RegSet(context, SCPI_REG_ESR, 0); |
| | | } |
| | | |
| | | /** |
| | | * *CLS - This command clears all status data structures in a device. |
| | | * For a device which minimally complies with SCPI. (SCPI std 4.1.3.2) |
| | | * @param context |
| | | * @return |
| | | */ |
| | | scpi_result_t SCPI_CoreCls(scpi_t * context) { |
| | | SCPI_EventClear(context); |
| | | SCPI_ErrorClear(context); |
| | | SCPI_RegSet(context, SCPI_REG_OPER, 0); |
| | | SCPI_RegSet(context, SCPI_REG_QUES, 0); |
| | | int i; |
| | | for (i = 0; i < SCPI_REG_GROUP_COUNT; ++i) { |
| | | scpi_reg_name_t event_reg = scpi_reg_group_details[i].event; |
| | | if (event_reg != SCPI_REG_STB) { |
| | | SCPI_RegSet(context, event_reg, 0); |
| | | } |
| | | } |
| | | return SCPI_RES_OK; |
| | | } |
| | | |
| | |
| | | * @param context |
| | | * @return |
| | | */ |
| | | scpi_result_t SCPI_CoreEse(scpi_t * context) { |
| | | 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); |
| | | 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; |
| | | } |
| | | |
| | | /** |
| | |
| | | * @return |
| | | */ |
| | | scpi_result_t SCPI_CoreEseQ(scpi_t * context) { |
| | | SCPI_ResultInt(context, SCPI_RegGet(context, SCPI_REG_ESE)); |
| | | SCPI_ResultInt32(context, SCPI_RegGet(context, SCPI_REG_ESE)); |
| | | return SCPI_RES_OK; |
| | | } |
| | | |
| | |
| | | * @return |
| | | */ |
| | | scpi_result_t SCPI_CoreEsrQ(scpi_t * context) { |
| | | SCPI_ResultInt(context, SCPI_RegGet(context, SCPI_REG_ESR)); |
| | | SCPI_ResultInt32(context, SCPI_RegGet(context, SCPI_REG_ESR)); |
| | | SCPI_RegSet(context, SCPI_REG_ESR, 0); |
| | | return SCPI_RES_OK; |
| | | } |
| | |
| | | * @return |
| | | */ |
| | | scpi_result_t SCPI_CoreIdnQ(scpi_t * context) { |
| | | SCPI_ResultMnemonic(context, context->idn[0]); |
| | | SCPI_ResultMnemonic(context, context->idn[1]); |
| | | SCPI_ResultMnemonic(context, context->idn[2]); |
| | | SCPI_ResultMnemonic(context, context->idn[3]); |
| | | int i; |
| | | for (i = 0; i < 4; i++) |
| | | { |
| | | if (context->idn[i]) |
| | | { |
| | | char* outPut = "IDNS响应"; |
| | | memcpy(context->outPut,outPut,strlen(outPut)); |
| | | context->interface->write(context,context->idn[i],0); |
| | | SCPI_ResultMnemonic(context, context->idn[i]); |
| | | } else { |
| | | SCPI_ResultMnemonic(context, "0"); |
| | | } |
| | | } |
| | | return SCPI_RES_OK; |
| | | } |
| | | |
| | |
| | | * @param context |
| | | * @return |
| | | */ |
| | | scpi_result_t SCPI_CoreOpc(scpi_t * context) { |
| | | scpi_result_t SCPI_CoreOpc(scpi_t * context) |
| | | { |
| | | SCPI_RegSetBits(context, SCPI_REG_ESR, ESR_OPC); |
| | | return SCPI_RES_OK; |
| | | } |
| | |
| | | */ |
| | | scpi_result_t SCPI_CoreOpcQ(scpi_t * context) { |
| | | /* Operation is always completed */ |
| | | SCPI_ResultInt(context, 1); |
| | | SCPI_ResultInt32(context, 1); |
| | | return SCPI_RES_OK; |
| | | } |
| | | |
| | |
| | | */ |
| | | 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); |
| | | 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; |
| | | } |
| | | |
| | | /** |
| | |
| | | * @param context |
| | | * @return |
| | | */ |
| | | scpi_result_t SCPI_CoreSreQ(scpi_t * context) { |
| | | SCPI_ResultInt(context, SCPI_RegGet(context, SCPI_REG_SRE)); |
| | | scpi_result_t SCPI_CoreSreQ(scpi_t * context) |
| | | { |
| | | context->interface->write(context,"Registers request start",0); |
| | | for(int i =0;i<SCPI_REG_COUNT;i++) |
| | | { |
| | | context->interface->write(context,(char*)context->registers[i],0); |
| | | } |
| | | context->interface->write(context,"Registers request end",0); |
| | | return SCPI_RES_OK; |
| | | } |
| | | |
| | |
| | | * @return |
| | | */ |
| | | scpi_result_t SCPI_CoreStbQ(scpi_t * context) { |
| | | SCPI_ResultInt(context, SCPI_RegGet(context, SCPI_REG_STB)); |
| | | SCPI_ResultInt32(context, SCPI_RegGet(context, SCPI_REG_STB)); |
| | | return SCPI_RES_OK; |
| | | } |
| | | |
| | |
| | | */ |
| | | scpi_result_t SCPI_CoreTstQ(scpi_t * context) { |
| | | (void) context; |
| | | SCPI_ResultInt(context, 0); |
| | | SCPI_ResultInt32(context, 0); |
| | | return SCPI_RES_OK; |
| | | } |
| | | |
| | |
| | | return SCPI_RES_OK; |
| | | } |
| | | |
| | | |