cem-dt-885x: Initial driver skeleton.

configure.ac

@@ -104,6 +104,15 @@ AC_ARG_ENABLE(brymen-dmm, AC_HELP_STRING([--enable-brymen-dmm],
 	[HW_BRYMEN_DMM="$enableval"],
 	[HW_BRYMEN_DMM=$HW_ENABLED_DEFAULT])
 
+AC_ARG_ENABLE(cem-dt-885x, AC_HELP_STRING([--enable-cem-dt-885x],
+	[enable CEM DT-885x support [default=yes]]),
+	[HW_CEM_DT_885X="$enableval"],
+	[HW_CEM_DT_885X=yes])
+AM_CONDITIONAL(HW_CEM_DT_885X, test x$HW_CEM_DT_885X = xyes)
+if test "x$HW_CEM_DT_885X" = "xyes"; then
+	AC_DEFINE(HAVE_HW_CEM_DT_885X, 1, [CEM DT-885x support])
+fi
+
 AC_ARG_ENABLE(chronovu-la8, AC_HELP_STRING([--enable-chronovu-la8],
 	[enable ChronoVu LA8 support [default=yes]]),
 	[HW_CHRONOVU_LA8="$enableval"],
@@ -438,6 +447,7 @@ AC_CONFIG_FILES([Makefile version.h hardware/Makefile
 		 hardware/alsa/Makefile
 		 hardware/asix-sigma/Makefile
 		 hardware/brymen-dmm/Makefile
+		 hardware/cem-dt-885x/Makefile
 		 hardware/chronovu-la8/Makefile
 		 hardware/colead-slm/Makefile
 		 hardware/common/Makefile
@@ -496,6 +506,7 @@ echo "  - agilent-dmm..................... $HW_AGILENT_DMM"
 echo "  - alsa............................ $HW_ALSA"
 echo "  - asix-sigma...................... $HW_ASIX_SIGMA"
 echo "  - brymen-dmm...................... $HW_BRYMEN_DMM"
+echo "  - cem-dt-885x..................... $HW_CEM_DT_885X"
 echo "  - chronovu-la8.................... $HW_CHRONOVU_LA8"
 echo "  - colead-slm...................... $HW_COLEAD_SLM"
 echo "  - demo............................ $HW_DEMO"

hardware/Makefile.am

@@ -23,6 +23,7 @@ SUBDIRS = \
 	alsa \
 	asix-sigma \
 	brymen-dmm \
+	cem-dt-885x \
 	chronovu-la8 \
 	colead-slm \
 	common \
@@ -66,6 +67,10 @@ if HW_BRYMEN_DMM
 libsigrokhardware_la_LIBADD += brymen-dmm/libsigrok_hw_brymen_dmm.la
 endif
 
+if HW_CEM_DT_885X
+libsigrokhardware_la_LIBADD += cem-dt-885x/libsigrok_hw_cem_dt_885x.la
+endif
+
 if HW_CHRONOVU_LA8
 libsigrokhardware_la_LIBADD += chronovu-la8/libsigrok_hw_chronovu_la8.la
 endif

hardware/cem-dt-885x/Makefile.am

@@ -0,0 +1,33 @@
+##
+## This file is part of the libsigrok project.
+##
+## Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
+##
+## 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/>.
+##
+
+if HW_CEM_DT_885X
+
+# Local lib, this is NOT meant to be installed!
+noinst_LTLIBRARIES = libsigrok_hw_cem_dt_885x.la
+
+libsigrok_hw_cem_dt_885x_la_SOURCES = \
+	api.c \
+	protocol.c \
+	protocol.h
+
+libsigrok_hw_cem_dt_885x_la_CFLAGS = \
+	-I$(top_srcdir)
+
+endif

hardware/cem-dt-885x/api.c

@@ -0,0 +1,190 @@
+/*
+ * This file is part of the libsigrok project.
+ *
+ * Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
+ *
+ * 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 "protocol.h"
+
+SR_PRIV struct sr_dev_driver cem_dt_885x_driver_info;
+static struct sr_dev_driver *di = &cem_dt_885x_driver_info;
+
+
+static int init(struct sr_context *sr_ctx)
+{
+	return std_init(sr_ctx, di, LOG_PREFIX);
+}
+
+static GSList *scan(GSList *options)
+{
+	struct drv_context *drvc;
+	GSList *devices;
+
+	(void)options;
+
+	devices = NULL;
+	drvc = di->priv;
+	drvc->instances = NULL;
+
+	/* TODO: scan for devices, either based on a SR_CONF_CONN option
+	 * or on a USB scan. */
+
+	return devices;
+}
+
+static GSList *dev_list(void)
+{
+	struct drv_context *drvc;
+
+	drvc = di->priv;
+
+	return drvc->instances;
+}
+
+static int dev_clear(void)
+{
+	return std_dev_clear(di, NULL);
+}
+
+static int dev_open(struct sr_dev_inst *sdi)
+{
+	(void)sdi;
+
+	/* TODO: get handle from sdi->conn and open it. */
+
+	sdi->status = SR_ST_ACTIVE;
+
+	return SR_OK;
+}
+
+static int dev_close(struct sr_dev_inst *sdi)
+{
+	(void)sdi;
+
+	/* TODO: get handle from sdi->conn and close it. */
+
+	sdi->status = SR_ST_INACTIVE;
+
+	return SR_OK;
+}
+
+static int cleanup(void)
+{
+	dev_clear();
+
+	/* TODO: free other driver resources, if any. */
+
+	return SR_OK;
+}
+
+static int config_get(int key, GVariant **data, const struct sr_dev_inst *sdi)
+{
+	int ret;
+
+	(void)sdi;
+	(void)data;
+
+	ret = SR_OK;
+	switch (key) {
+	/* TODO */
+	default:
+		return SR_ERR_NA;
+	}
+
+	return ret;
+}
+
+static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi)
+{
+	int ret;
+
+	(void)data;
+
+	if (sdi->status != SR_ST_ACTIVE)
+		return SR_ERR_DEV_CLOSED;
+
+	ret = SR_OK;
+	switch (key) {
+	/* TODO */
+	default:
+		ret = SR_ERR_NA;
+	}
+
+	return ret;
+}
+
+static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi)
+{
+	int ret;
+
+	(void)sdi;
+	(void)data;
+
+	ret = SR_OK;
+	switch (key) {
+	/* TODO */
+	default:
+		return SR_ERR_NA;
+	}
+
+	return ret;
+}
+
+static int dev_acquisition_start(const struct sr_dev_inst *sdi,
+				    void *cb_data)
+{
+	(void)sdi;
+	(void)cb_data;
+
+	if (sdi->status != SR_ST_ACTIVE)
+		return SR_ERR_DEV_CLOSED;
+
+	/* TODO: configure hardware, reset acquisition state, set up
+	 * callbacks and send header packet. */
+
+	return SR_OK;
+}
+
+static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
+{
+	(void)cb_data;
+
+	if (sdi->status != SR_ST_ACTIVE)
+		return SR_ERR_DEV_CLOSED;
+
+	/* TODO: stop acquisition. */
+
+	return SR_OK;
+}
+
+SR_PRIV struct sr_dev_driver cem_dt_885x_driver_info = {
+	.name = "cem-dt-885x",
+	.longname = "CEM DT-885x",
+	.api_version = 1,
+	.init = init,
+	.cleanup = cleanup,
+	.scan = scan,
+	.dev_list = dev_list,
+	.dev_clear = 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,
+	.priv = NULL,
+};

hardware/cem-dt-885x/protocol.c

@@ -0,0 +1,40 @@
+/*
+ * This file is part of the libsigrok project.
+ *
+ * Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
+ *
+ * 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 "protocol.h"
+
+SR_PRIV int cem_dt_885x_receive_data(int fd, int revents, void *cb_data)
+{
+	(void)fd;
+
+	const struct sr_dev_inst *sdi;
+	struct dev_context *devc;
+
+	if (!(sdi = cb_data))
+		return TRUE;
+
+	if (!(devc = sdi->priv))
+		return TRUE;
+
+	if (revents == G_IO_IN) {
+		/* TODO */
+	}
+
+	return TRUE;
+}

hardware/cem-dt-885x/protocol.h

@@ -0,0 +1,51 @@
+/*
+ * This file is part of the libsigrok project.
+ *
+ * Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
+ *
+ * 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_CEM_DT_885X_PROTOCOL_H
+#define LIBSIGROK_HARDWARE_CEM_DT_885X_PROTOCOL_H
+
+#include <stdint.h>
+#include <glib.h>
+#include "libsigrok.h"
+#include "libsigrok-internal.h"
+
+/* Message logging helpers with subsystem-specific prefix string. */
+#define LOG_PREFIX "cem-dt-885x: "
+#define sr_log(l, s, args...) sr_log(l, LOG_PREFIX s, ## args)
+#define sr_spew(s, args...) sr_spew(LOG_PREFIX s, ## args)
+#define sr_dbg(s, args...) sr_dbg(LOG_PREFIX s, ## args)
+#define sr_info(s, args...) sr_info(LOG_PREFIX s, ## args)
+#define sr_warn(s, args...) sr_warn(LOG_PREFIX s, ## args)
+#define sr_err(s, args...) sr_err(LOG_PREFIX s, ## args)
+
+/** Private, per-device-instance driver context. */
+struct dev_context {
+	/* Model-specific information */
+
+	/* Acquisition settings */
+
+	/* Operational state */
+
+	/* Temporary state across callbacks */
+
+};
+
+SR_PRIV int cem_dt_885x_receive_data(int fd, int revents, void *cb_data);
+
+#endif

hwdriver.c

@@ -90,6 +90,9 @@ static struct sr_config_info sr_config_info_data[] = {
 #ifdef HAVE_HW_BRYMEN_DMM
 extern SR_PRIV struct sr_dev_driver brymen_bm857_driver_info;
 #endif
+#ifdef HAVE_HW_CEM_DT_885X
+extern SR_PRIV struct sr_dev_driver cem_dt_885x_driver_info;
+#endif
 #ifdef HAVE_HW_COLEAD_SLM
 extern SR_PRIV struct sr_dev_driver colead_slm_driver_info;
 #endif
@@ -182,6 +185,9 @@ static struct sr_dev_driver *drivers_list[] = {
 #ifdef HAVE_HW_BRYMEN_DMM
 	&brymen_bm857_driver_info,
 #endif
+#ifdef HAVE_HW_CEM_DT_885X
+	&cem_dt_885x_driver_info,
+#endif
 #ifdef HAVE_HW_COLEAD_SLM
 	&colead_slm_driver_info,
 #endif