hp-3478a: Initial driver skeleton.

Makefile.am

@@ -348,6 +348,12 @@ src_libdrivers_la_SOURCES += \
 	src/hardware/hp-3457a/protocol.c \
 	src/hardware/hp-3457a/api.c
 endif
+if HW_HP_3478A
+src_libdrivers_la_SOURCES += \
+	src/hardware/hp-3478a/protocol.h \
+	src/hardware/hp-3478a/protocol.c \
+	src/hardware/hp-3478a/api.c
+endif
 if HW_HUNG_CHANG_DSO_2100
 src_libdrivers_la_SOURCES += \
 	src/hardware/hung-chang-dso-2100/protocol.h \

configure.ac

@@ -244,6 +244,7 @@ SR_DRIVER([Hantek 4032L], [hantek-4032l], [libusb])
 SR_DRIVER([Hantek 6xxx], [hantek-6xxx], [libusb])
 SR_DRIVER([Hantek DSO], [hantek-dso], [libusb])
 SR_DRIVER([HP 3457A], [hp-3457a])
+SR_DRIVER([HP 3478A], [hp-3478a])
 SR_DRIVER([Hung-Chang DSO-2100], [hung-chang-dso-2100], [libieee1284])
 SR_DRIVER([Ikalogic Scanalogic-2], [ikalogic-scanalogic2], [libusb])
 SR_DRIVER([Ikalogic Scanaplus], [ikalogic-scanaplus], [libftdi])

src/hardware/hp-3478a/api.c

@@ -0,0 +1,153 @@
+/*
+ * This file is part of the libsigrok project.
+ *
+ * Copyright (C) 2017 Frank Stettner <frank-stettner@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 hp_3478a_driver_info = {
+	.name = "hp-3478a",
+	.longname = "HP 3478A",
+	.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(hp_3478a_driver_info);

src/hardware/hp-3478a/protocol.c

@@ -0,0 +1,41 @@
+/*
+ * This file is part of the libsigrok project.
+ *
+ * Copyright (C) 2017 Frank Stettner <frank-stettner@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 hp_3478a_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;
+}

src/hardware/hp-3478a/protocol.h

@@ -0,0 +1,35 @@
+/*
+ * This file is part of the libsigrok project.
+ *
+ * Copyright (C) 2017 Frank Stettner <frank-stettner@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_HP_3478A_PROTOCOL_H
+#define LIBSIGROK_HARDWARE_HP_3478A_PROTOCOL_H
+
+#include <stdint.h>
+#include <glib.h>
+#include <libsigrok/libsigrok.h>
+#include "libsigrok-internal.h"
+
+#define LOG_PREFIX "hp-3478a"
+
+struct dev_context {
+};
+
+SR_PRIV int hp_3478a_receive_data(int fd, int revents, void *cb_data);
+
+#endif