saleae-logic16: Initial driver skeleton.

configure.ac

@@ -184,6 +184,15 @@ AC_ARG_ENABLE(rigol-ds1xx2, AC_HELP_STRING([--enable-rigol-ds1xx2],
 	[HW_RIGOL_DS1XX2="$enableval"],
 	[HW_RIGOL_DS1XX2=$HW_ENABLED_DEFAULT])
 
+AC_ARG_ENABLE(saleae-logic16, AC_HELP_STRING([--enable-saleae-logic16],
+	[enable Saleae Logic16 support [default=yes]]),
+	[HW_SALEAE_LOGIC16="$enableval"],
+	[HW_SALEAE_LOGIC16=yes])
+AM_CONDITIONAL(HW_SALEAE_LOGIC16, test x$HW_SALEAE_LOGIC16 = xyes)
+if test "x$HW_SALEAE_LOGIC16" = "xyes"; then
+	AC_DEFINE(HAVE_HW_SALEAE_LOGIC16, 1, [Saleae Logic16 support])
+fi
+
 AC_ARG_ENABLE(serial-dmm, AC_HELP_STRING([--enable-serial-dmm],
 	[enable serial DMM support [default=yes]]),
 	[HW_SERIAL_DMM="$enableval"],
@@ -491,6 +500,7 @@ AC_CONFIG_FILES([Makefile version.h hardware/Makefile
 		 hardware/lascar-el-usb/Makefile
 		 hardware/mic-985xx/Makefile
 		 hardware/rigol-ds1xx2/Makefile
+		 hardware/saleae-logic16/Makefile
 		 hardware/tondaj-sl-814/Makefile
 		 hardware/victor-dmm/Makefile
 		 hardware/common/dmm/Makefile
@@ -558,6 +568,7 @@ echo "  - link-mso19 (EXPERIMENTAL)....... $HW_LINK_MSO19"
 echo "  - mic-985xx....................... $HW_MIC_985XX"
 echo "  - openbench-logic-sniffer......... $HW_OLS"
 echo "  - rigol-ds1xx2.................... $HW_RIGOL_DS1XX2"
+echo "  - saleae-logic16.................. $HW_SALEAE_LOGIC16"
 echo "  - serial-dmm...................... $HW_SERIAL_DMM"
 echo "  - tondaj-sl-814................... $HW_TONDAJ_SL_814"
 echo "  - uni-t-dmm....................... $HW_UNI_T_DMM"

hardware/Makefile.am

@@ -40,6 +40,7 @@ SUBDIRS = \
 	mic-985xx \
 	openbench-logic-sniffer \
 	rigol-ds1xx2 \
+	saleae-logic16 \
 	serial-dmm \
 	tondaj-sl-814 \
 	uni-t-dmm \
@@ -134,6 +135,10 @@ if HW_RIGOL_DS1XX2
 libsigrokhardware_la_LIBADD += rigol-ds1xx2/libsigrok_hw_rigol_ds1xx2.la
 endif
 
+if HW_SALEAE_LOGIC16
+libsigrokhardware_la_LIBADD += saleae-logic16/libsigrok_hw_saleae_logic16.la
+endif
+
 if HW_SERIAL_DMM
 libsigrokhardware_la_LIBADD += serial-dmm/libsigrok_hw_serial_dmm.la
 endif

hardware/saleae-logic16/Makefile.am

@@ -0,0 +1,33 @@
+##
+## This file is part of the libsigrok project.
+##
+## Copyright (C) 2013 Marcus Comstedt <marcus@mc.pp.se>
+##
+## 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_SALEAE_LOGIC16
+
+# Local lib, this is NOT meant to be installed!
+noinst_LTLIBRARIES = libsigrok_hw_saleae_logic16.la
+
+libsigrok_hw_saleae_logic16_la_SOURCES = \
+	api.c \
+	protocol.c \
+	protocol.h
+
+libsigrok_hw_saleae_logic16_la_CFLAGS = \
+	-I$(top_srcdir)
+
+endif

hardware/saleae-logic16/api.c

@@ -0,0 +1,190 @@
+/*
+ * This file is part of the libsigrok project.
+ *
+ * Copyright (C) 2013 Marcus Comstedt <marcus@mc.pp.se>
+ *
+ * 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 saleae_logic16_driver_info;
+static struct sr_dev_driver *di = &saleae_logic16_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 saleae_logic16_driver_info = {
+	.name = "saleae-logic16",
+	.longname = "Saleae Logic16",
+	.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/saleae-logic16/protocol.c

@@ -0,0 +1,40 @@
+/*
+ * This file is part of the libsigrok project.
+ *
+ * Copyright (C) 2013 Marcus Comstedt <marcus@mc.pp.se>
+ *
+ * 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 saleae_logic16_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/saleae-logic16/protocol.h

@@ -0,0 +1,51 @@
+/*
+ * This file is part of the libsigrok project.
+ *
+ * Copyright (C) 2013 Marcus Comstedt <marcus@mc.pp.se>
+ *
+ * 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_SALEAE_LOGIC16_PROTOCOL_H
+#define LIBSIGROK_HARDWARE_SALEAE_LOGIC16_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 "saleae-logic16: "
+#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 saleae_logic16_receive_data(int fd, int revents, void *cb_data);
+
+#endif

hwdriver.c

@@ -139,6 +139,9 @@ extern SR_PRIV struct sr_dev_driver ols_driver_info;
 #ifdef HAVE_HW_RIGOL_DS1XX2
 extern SR_PRIV struct sr_dev_driver rigol_ds1xx2_driver_info;
 #endif
+#ifdef HAVE_HW_SALEAE_LOGIC16
+extern SR_PRIV struct sr_dev_driver saleae_logic16_driver_info;
+#endif
 #ifdef HAVE_HW_TONDAJ_SL_814
 extern SR_PRIV struct sr_dev_driver tondaj_sl_814_driver_info;
 #endif
@@ -249,6 +252,9 @@ static struct sr_dev_driver *drivers_list[] = {
 #ifdef HAVE_HW_RIGOL_DS1XX2
 	&rigol_ds1xx2_driver_info,
 #endif
+#ifdef HAVE_HW_SALEAE_LOGIC16
+	&saleae_logic16_driver_info,
+#endif
 #ifdef HAVE_HW_TONDAJ_SL_814
 	&tondaj_sl_814_driver_info,
 #endif