summaryrefslogtreecommitdiff
path: root/src/device.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/device.c')
-rw-r--r--src/device.c134
1 files changed, 134 insertions, 0 deletions
diff --git a/src/device.c b/src/device.c
new file mode 100644
index 0000000..09a94e3
--- /dev/null
+++ b/src/device.c
@@ -0,0 +1,134 @@
+/* Camicro - Microscope camera viewer.
+ *
+ * Copyright (C) 2019 Nicolas Schodet
+ *
+ * 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 2 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Contact :
+ * Web: http://ni.fr.eu.org/
+ * Email: <nico at ni.fr.eu.org>
+ */
+#include "device.h"
+
+#include "moticam.h"
+
+static const struct device_driver *drivers[] = {
+ &moticam_device_driver,
+ NULL
+};
+
+GQuark
+device_error_quark(void)
+{
+ return g_quark_from_static_string("device-error-quark");
+}
+
+struct device *
+device_open(libusb_context *usb, GError **error)
+{
+ g_return_val_if_fail(error == NULL || *error == NULL, NULL);
+ libusb_device **list;
+ libusb_device *found_usb_device = NULL;
+ char *found_device_name = NULL;
+ const struct device_driver *found_device_driver = NULL;
+ ssize_t cnt = libusb_get_device_list(usb, &list);
+ if (cnt < 0) {
+ g_set_error(error, DEVICE_ERROR, DEVICE_ERROR_LIST,
+ "can not list devices: %s", libusb_strerror(cnt));
+ return NULL;
+ }
+ for (ssize_t i = 0; !found_usb_device && i < cnt; i++) {
+ libusb_device *usb_device = list[i];
+ struct libusb_device_descriptor desc;
+ int r = libusb_get_device_descriptor(usb_device, &desc);
+ if (r) {
+ g_warning("can not get device descriptor: %s",
+ libusb_strerror(r));
+ } else {
+ for (const struct device_driver **dd = drivers;
+ !found_usb_device && *dd; dd++) {
+ char *device_name = (*dd)->usb_poll(&desc);
+ if (device_name) {
+ found_usb_device = usb_device;
+ found_device_name = device_name;
+ found_device_driver = *dd;
+ }
+ }
+ }
+ }
+ struct device *device = NULL;
+ if (found_usb_device) {
+ g_free(found_device_name);
+ device = found_device_driver->usb_open(usb, found_usb_device, error);
+ } else {
+ g_set_error(error, DEVICE_ERROR, DEVICE_ERROR_LIST,
+ "no device found");
+ }
+ libusb_free_device_list(list, 1);
+ return device;
+}
+
+const struct device_info *
+device_get_info(struct device *device)
+{
+ return device->get_info(device);
+}
+
+void
+device_set_exposure(struct device *device, double exposure_ms)
+{
+ device->set_exposure(device, exposure_ms);
+}
+
+void
+device_set_gain(struct device *device, double gain)
+{
+ device->set_gain(device, gain);
+}
+
+void
+device_set_resolution(struct device *device, int width, int height,
+ int stride)
+{
+ device->set_resolution(device, width, height, stride);
+}
+
+bool
+device_start(struct device *device, GError **error)
+{
+ g_return_val_if_fail(error == NULL || *error == NULL, false);
+ return device->start(device, error);
+}
+
+struct image *
+device_read(struct device *device, GError **error)
+{
+ g_return_val_if_fail(error == NULL || *error == NULL, false);
+ return device->read(device, error);
+}
+
+bool
+device_stop(struct device *device, GError **error)
+{
+ g_return_val_if_fail(error == NULL || *error == NULL, false);
+ return device->stop(device, error);
+}
+
+bool
+device_close(struct device *device, GError **error)
+{
+ g_return_val_if_fail(error == NULL || *error == NULL, false);
+ return device->close(device, error);
+}