136 lines
3.5 KiB
C
136 lines
3.5 KiB
C
/*
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* This file is part of the libsigrok project.
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*
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* Copyright (C) 2014 Bert Vermeulen <bert@biot.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef LIBSIGROK_HARDWARE_SCPI_PPS_PROTOCOL_H
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#define LIBSIGROK_HARDWARE_SCPI_PPS_PROTOCOL_H
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#include <stdint.h>
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#include <glib.h>
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#include "libsigrok.h"
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#include "libsigrok-internal.h"
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#define LOG_PREFIX "scpi-pps"
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enum pps_scpi_cmds {
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SCPI_CMD_KEY_UNLOCK,
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SCPI_CMD_GET_MEAS_VOLTAGE,
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SCPI_CMD_GET_MEAS_CURRENT,
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SCPI_CMD_GET_MEAS_POWER,
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SCPI_CMD_GET_VOLTAGE_MAX,
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SCPI_CMD_SET_VOLTAGE_MAX,
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SCPI_CMD_GET_CURRENT_MAX,
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SCPI_CMD_SET_CURRENT_MAX,
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SCPI_CMD_GET_OUTPUT_ENABLED,
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SCPI_CMD_SET_OUTPUT_ENABLED,
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SCPI_CMD_GET_OUTPUT_REGULATION,
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SCPI_CMD_GET_OVER_TEMPERATURE_PROTECTION,
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SCPI_CMD_SET_OVER_TEMPERATURE_PROTECTION,
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SCPI_CMD_GET_OVER_VOLTAGE_PROTECTION_ENABLED,
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SCPI_CMD_SET_OVER_VOLTAGE_PROTECTION_ENABLED,
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SCPI_CMD_GET_OVER_VOLTAGE_PROTECTION_ACTIVE,
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SCPI_CMD_GET_OVER_VOLTAGE_PROTECTION_THRESHOLD,
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SCPI_CMD_SET_OVER_VOLTAGE_PROTECTION_THRESHOLD,
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SCPI_CMD_GET_OVER_CURRENT_PROTECTION_ENABLED,
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SCPI_CMD_SET_OVER_CURRENT_PROTECTION_ENABLED,
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SCPI_CMD_GET_OVER_CURRENT_PROTECTION_ACTIVE,
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SCPI_CMD_GET_OVER_CURRENT_PROTECTION_THRESHOLD,
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SCPI_CMD_SET_OVER_CURRENT_PROTECTION_THRESHOLD,
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SCPI_CMD_GET_OUTPUT_CHANNEL_CONFIG,
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SCPI_CMD_SET_OUTPUT_CHANNEL_CONFIG,
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};
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/*
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* These are bit values denoting features a device can have either globally,
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* in scpi_pps.features, or on a per-channel-group basis in
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* channel_group_spec.features.
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*/
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enum pps_features {
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PPS_OTP = (1 << 0),
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PPS_OVP = (1 << 1),
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PPS_OCP = (1 << 2),
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PPS_INDEPENDENT = (1 << 3),
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PPS_SERIES = (1 << 4),
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PPS_PARALLEL = (1 << 5),
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};
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struct scpi_pps {
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char *vendor;
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char *model;
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uint64_t features;
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const int32_t *devopts;
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unsigned int num_devopts;
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const int32_t *devopts_cg;
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unsigned int num_devopts_cg;
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struct channel_spec *channels;
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unsigned int num_channels;
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struct channel_group_spec *channel_groups;
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unsigned int num_channel_groups;
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struct scpi_command *commands;
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unsigned int num_commands;
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};
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struct channel_spec {
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char *name;
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/* Min, max, programming resolution. */
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float voltage[3];
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float current[3];
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};
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struct scpi_command {
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int command;
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char *string;
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};
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struct channel_group_spec {
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char *name;
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uint64_t channel_index_mask;
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uint64_t features;
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};
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struct pps_channel_group {
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uint64_t features;
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};
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enum acq_states {
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STATE_VOLTAGE,
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STATE_CURRENT,
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STATE_STOP,
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};
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/** Private, per-device-instance driver context. */
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struct dev_context {
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/* Model-specific information */
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const struct scpi_pps *device;
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/* Acquisition settings */
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void *cb_data;
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/* Operational state */
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/* Temporary state across callbacks */
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int state;
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struct sr_channel *cur_channel;
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};
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const char *get_vendor(const char *raw_vendor);
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SR_PRIV int scpi_cmd(const struct sr_dev_inst *sdi, int command, ...);
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SR_PRIV int scpi_pps_receive_data(int fd, int revents, void *cb_data);
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#endif
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