dcttech-usbrelay: Initial driver skeleton.

diff --git a/Makefile.am b/Makefile.am
index 9bab81dd34221f4b5d00c80a159ceac573f2678c..9bf6eb7dfb469f7c594f1fcab1d7aa8f11413c6f 100644 (file)
--- a/Makefile.am
+++ b/Makefile.am
@@ -291,6 +291,12 @@ src_libdrivers_la_SOURCES += \
        src/hardware/conrad-digi-35-cpu/protocol.c \
        src/hardware/conrad-digi-35-cpu/api.c
 endif
+if HW_DCTTECH_USBRELAY
+src_libdrivers_la_SOURCES += \
+       src/hardware/dcttech-usbrelay/protocol.h \
+       src/hardware/dcttech-usbrelay/protocol.c \
+       src/hardware/dcttech-usbrelay/api.c
+endif
 if HW_DEMO
 src_libdrivers_la_SOURCES += \
        src/hardware/demo/protocol.h \

diff --git a/configure.ac b/configure.ac
index ba2d4513316ee9368bb563fadbeea6fbda61c3c2..4285ced2e9e5b6d0b8cd601dc8754a3daa9e9b02 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -269,6 +269,7 @@ SR_DRIVER([Center 3xx], [center-3xx], [serial_comm])
 SR_DRIVER([ChronoVu LA], [chronovu-la], [libusb libftdi])
 SR_DRIVER([Colead SLM], [colead-slm], [serial_comm])
 SR_DRIVER([Conrad DIGI 35 CPU], [conrad-digi-35-cpu], [serial_comm])
+SR_DRIVER([dcttech usbrelay], [dcttech-usbrelay])
 SR_DRIVER([demo], [demo])
 SR_DRIVER([DreamSourceLab DSLogic], [dreamsourcelab-dslogic], [libusb])
 SR_DRIVER([Fluke 45], [fluke-45])

diff --git a/src/hardware/dcttech-usbrelay/api.c b/src/hardware/dcttech-usbrelay/api.c
new file mode 100644 (file)
index 0000000..9751ef5
--- /dev/null
+++ b/src/hardware/dcttech-usbrelay/api.c
@@ -0,0 +1,154 @@
+/*
+ * This file is part of the libsigrok project.
+ *
+ * Copyright (C) 2021 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 struct sr_dev_driver dcttech_usbrelay_driver_info;
+
+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;
+}
+
+static struct sr_dev_driver dcttech_usbrelay_driver_info = {
+       .name = "dcttech-usbrelay",
+       .longname = "dcttech usbrelay",
+       .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(dcttech_usbrelay_driver_info);

diff --git a/src/hardware/dcttech-usbrelay/protocol.c b/src/hardware/dcttech-usbrelay/protocol.c
new file mode 100644 (file)
index 0000000..111e4ef
--- /dev/null
+++ b/src/hardware/dcttech-usbrelay/protocol.c
@@ -0,0 +1,41 @@
+/*
+ * This file is part of the libsigrok project.
+ *
+ * Copyright (C) 2021 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 dcttech_usbrelay_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;
+}

diff --git a/src/hardware/dcttech-usbrelay/protocol.h b/src/hardware/dcttech-usbrelay/protocol.h
new file mode 100644 (file)
index 0000000..5195184
--- /dev/null
+++ b/src/hardware/dcttech-usbrelay/protocol.h
@@ -0,0 +1,35 @@
+/*
+ * This file is part of the libsigrok project.
+ *
+ * Copyright (C) 2021 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_DCTTECH_USBRELAY_PROTOCOL_H
+#define LIBSIGROK_HARDWARE_DCTTECH_USBRELAY_PROTOCOL_H
+
+#include <stdint.h>
+#include <glib.h>
+#include <libsigrok/libsigrok.h>
+#include "libsigrok-internal.h"
+
+#define LOG_PREFIX "dcttech-usbrelay"
+
+struct dev_context {
+};
+
+SR_PRIV int dcttech_usbrelay_receive_data(int fd, int revents, void *cb_data);
+
+#endif