scpi-dmm: Initial driver skeleton.

This commit is contained in:
Gerhard Sittig 2018-11-02 18:32:33 +01:00
parent a1ce15d4a1
commit 7a396ff5c5
5 changed files with 236 additions and 0 deletions

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@ -509,6 +509,12 @@ src_libdrivers_la_SOURCES += \
src/hardware/saleae-logic-pro/protocol.c \
src/hardware/saleae-logic-pro/api.c
endif
if HW_SCPI_DMM
src_libdrivers_la_SOURCES += \
src/hardware/scpi-dmm/protocol.h \
src/hardware/scpi-dmm/protocol.c \
src/hardware/scpi-dmm/api.c
endif
if HW_SCPI_PPS
src_libdrivers_la_SOURCES += \
src/hardware/scpi-pps/protocol.h \

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@ -270,6 +270,7 @@ SR_DRIVER([Rigol DS], [rigol-ds])
SR_DRIVER([Rohde&Schwarz SME-0x], [rohde-schwarz-sme-0x], [libserialport])
SR_DRIVER([Saleae Logic16], [saleae-logic16], [libusb])
SR_DRIVER([Saleae Logic Pro], [saleae-logic-pro], [libusb])
SR_DRIVER([SCPI DMM], [scpi-dmm])
SR_DRIVER([SCPI PPS], [scpi-pps])
SR_DRIVER([serial DMM], [serial-dmm], [libserialport])
SR_DRIVER([serial LCR], [serial-lcr], [libserialport])

153
src/hardware/scpi-dmm/api.c Normal file
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@ -0,0 +1,153 @@
/*
* This file is part of the libsigrok project.
*
* Copyright (C) 2018 Gerhard Sittig <gerhard.sittig@gmx.net>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include "protocol.h"
static GSList *scan(struct sr_dev_driver *di, GSList *options)
{
struct drv_context *drvc;
GSList *devices;
(void)options;
devices = NULL;
drvc = di->context;
drvc->instances = NULL;
/* TODO: scan for devices, either based on a SR_CONF_CONN option
* or on a USB scan. */
return devices;
}
static int dev_open(struct sr_dev_inst *sdi)
{
(void)sdi;
/* TODO: get handle from sdi->conn and open it. */
return SR_OK;
}
static int dev_close(struct sr_dev_inst *sdi)
{
(void)sdi;
/* TODO: get handle from sdi->conn and close it. */
return SR_OK;
}
static int config_get(uint32_t key, GVariant **data,
const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
{
int ret;
(void)sdi;
(void)data;
(void)cg;
ret = SR_OK;
switch (key) {
/* TODO */
default:
return SR_ERR_NA;
}
return ret;
}
static int config_set(uint32_t key, GVariant *data,
const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
{
int ret;
(void)sdi;
(void)data;
(void)cg;
ret = SR_OK;
switch (key) {
/* TODO */
default:
ret = SR_ERR_NA;
}
return ret;
}
static int config_list(uint32_t key, GVariant **data,
const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
{
int ret;
(void)sdi;
(void)data;
(void)cg;
ret = SR_OK;
switch (key) {
/* TODO */
default:
return SR_ERR_NA;
}
return ret;
}
static int dev_acquisition_start(const struct sr_dev_inst *sdi)
{
/* TODO: configure hardware, reset acquisition state, set up
* callbacks and send header packet. */
(void)sdi;
return SR_OK;
}
static int dev_acquisition_stop(struct sr_dev_inst *sdi)
{
/* TODO: stop acquisition. */
(void)sdi;
return SR_OK;
}
SR_PRIV struct sr_dev_driver scpi_dmm_driver_info = {
.name = "scpi-dmm",
.longname = "SCPI DMM",
.api_version = 1,
.init = std_init,
.cleanup = std_cleanup,
.scan = scan,
.dev_list = std_dev_list,
.dev_clear = std_dev_clear,
.config_get = config_get,
.config_set = config_set,
.config_list = config_list,
.dev_open = dev_open,
.dev_close = dev_close,
.dev_acquisition_start = dev_acquisition_start,
.dev_acquisition_stop = dev_acquisition_stop,
.context = NULL,
};
SR_REGISTER_DEV_DRIVER(scpi_dmm_driver_info);

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@ -0,0 +1,41 @@
/*
* This file is part of the libsigrok project.
*
* Copyright (C) 2018 Gerhard Sittig <gerhard.sittig@gmx.net>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include "protocol.h"
SR_PRIV int scpi_dmm_receive_data(int fd, int revents, void *cb_data)
{
const struct sr_dev_inst *sdi;
struct dev_context *devc;
(void)fd;
if (!(sdi = cb_data))
return TRUE;
if (!(devc = sdi->priv))
return TRUE;
if (revents == G_IO_IN) {
/* TODO */
}
return TRUE;
}

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@ -0,0 +1,35 @@
/*
* This file is part of the libsigrok project.
*
* Copyright (C) 2018 Gerhard Sittig <gerhard.sittig@gmx.net>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef LIBSIGROK_HARDWARE_SCPI_DMM_PROTOCOL_H
#define LIBSIGROK_HARDWARE_SCPI_DMM_PROTOCOL_H
#include <stdint.h>
#include <glib.h>
#include <libsigrok/libsigrok.h>
#include "libsigrok-internal.h"
#define LOG_PREFIX "scpi-dmm"
struct dev_context {
};
SR_PRIV int scpi_dmm_receive_data(int fd, int revents, void *cb_data);
#endif