Add support for synchronizing the device clock

Being able to synchronize the dive computer clock with the host system
is a very useful feature. Add the infrastructure to support this feature
through the public api.

include/libdivecomputer/device.h

@@ -96,6 +96,9 @@ dc_device_dump (dc_device_t *device, dc_buffer_t *buffer);
 dc_status_t
 dc_device_foreach (dc_device_t *device, dc_dive_callback_t callback, void *userdata);
 
+dc_status_t
+dc_device_timesync (dc_device_t *device, const dc_datetime_t *datetime);
+
 dc_status_t
 dc_device_close (dc_device_t *device);
 

src/atomics_cobalt.c

@@ -75,6 +75,7 @@ static const dc_device_vtable_t atomics_cobalt_device_vtable = {
 	NULL, /* write */
 	NULL, /* dump */
 	atomics_cobalt_device_foreach, /* foreach */
+	NULL, /* timesync */
 	atomics_cobalt_device_close /* close */
 };
 

src/citizen_aqualand.c

@@ -51,6 +51,7 @@ static const dc_device_vtable_t citizen_aqualand_device_vtable = {
 	NULL, /* write */
 	citizen_aqualand_device_dump, /* dump */
 	citizen_aqualand_device_foreach, /* foreach */
+	NULL, /* timesync */
 	citizen_aqualand_device_close /* close */
 };
 

src/cochran_commander.c

@@ -114,6 +114,7 @@ static const dc_device_vtable_t cochran_commander_device_vtable = {
 	NULL, /* write */
 	cochran_commander_device_dump, /* dump */
 	cochran_commander_device_foreach, /* foreach */
+	NULL, /* timesync */
 	cochran_commander_device_close /* close */
 };
 

src/cressi_edy.c

@@ -75,6 +75,7 @@ static const dc_device_vtable_t cressi_edy_device_vtable = {
 	NULL, /* write */
 	cressi_edy_device_dump, /* dump */
 	cressi_edy_device_foreach, /* foreach */
+	NULL, /* timesync */
 	cressi_edy_device_close /* close */
 };
 

src/cressi_leonardo.c

@@ -67,6 +67,7 @@ static const dc_device_vtable_t cressi_leonardo_device_vtable = {
 	NULL, /* write */
 	cressi_leonardo_device_dump, /* dump */
 	cressi_leonardo_device_foreach, /* foreach */
+	NULL, /* timesync */
 	cressi_leonardo_device_close /* close */
 };
 

src/device-private.h

@@ -71,6 +71,8 @@ struct dc_device_vtable_t {
 
 	dc_status_t (*foreach) (dc_device_t *device, dc_dive_callback_t callback, void *userdata);
 
+	dc_status_t (*timesync) (dc_device_t *device, const dc_datetime_t *datetime);
+
 	dc_status_t (*close) (dc_device_t *device);
 };
 

src/device.c

@@ -370,6 +370,19 @@ dc_device_foreach (dc_device_t *device, dc_dive_callback_t callback, void *userd
 }
 
 
+dc_status_t
+dc_device_timesync (dc_device_t *device, const dc_datetime_t *datetime)
+{
+	if (device == NULL)
+		return DC_STATUS_UNSUPPORTED;
+
+	if (device->vtable->timesync == NULL)
+		return DC_STATUS_UNSUPPORTED;
+
+	return device->vtable->timesync (device, datetime);
+}
+
+
 dc_status_t
 dc_device_close (dc_device_t *device)
 {

src/diverite_nitekq.c

@@ -69,6 +69,7 @@ static const dc_device_vtable_t diverite_nitekq_device_vtable = {
 	NULL, /* write */
 	diverite_nitekq_device_dump, /* dump */
 	diverite_nitekq_device_foreach, /* foreach */
+	NULL, /* timesync */
 	diverite_nitekq_device_close /* close */
 };
 

src/divesystem_idive.c

@@ -86,6 +86,7 @@ static const dc_device_vtable_t divesystem_idive_device_vtable = {
 	NULL, /* write */
 	NULL, /* dump */
 	divesystem_idive_device_foreach, /* foreach */
+	NULL, /* timesync */
 	divesystem_idive_device_close /* close */
 };
 

src/hw_frog.c

@@ -71,6 +71,7 @@ static const dc_device_vtable_t hw_frog_device_vtable = {
 	NULL, /* write */
 	NULL, /* dump */
 	hw_frog_device_foreach, /* foreach */
+	NULL, /* timesync */
 	hw_frog_device_close /* close */
 };
 

src/hw_ostc.c

@@ -80,6 +80,7 @@ static const dc_device_vtable_t hw_ostc_device_vtable = {
 	NULL, /* write */
 	hw_ostc_device_dump, /* dump */
 	hw_ostc_device_foreach, /* foreach */
+	NULL, /* timesync */
 	hw_ostc_device_close /* close */
 };
 

src/hw_ostc3.c

@@ -139,6 +139,7 @@ static const dc_device_vtable_t hw_ostc3_device_vtable = {
 	hw_ostc3_device_write, /* write */
 	hw_ostc3_device_dump, /* dump */
 	hw_ostc3_device_foreach, /* foreach */
+	NULL, /* timesync */
 	hw_ostc3_device_close /* close */
 };
 

src/libdivecomputer.symbols

@@ -56,6 +56,7 @@ dc_device_read
 dc_device_set_cancel
 dc_device_set_events
 dc_device_set_fingerprint
+dc_device_timesync
 dc_device_write
 
 oceanic_atom2_device_version

src/mares_darwin.c

@@ -70,6 +70,7 @@ static const dc_device_vtable_t mares_darwin_device_vtable = {
 	NULL, /* write */
 	mares_darwin_device_dump, /* dump */
 	mares_darwin_device_foreach, /* foreach */
+	NULL, /* timesync */
 	mares_darwin_device_close /* close */
 };
 

src/mares_iconhd.c

@@ -87,6 +87,7 @@ static const dc_device_vtable_t mares_iconhd_device_vtable = {
 	NULL, /* write */
 	mares_iconhd_device_dump, /* dump */
 	mares_iconhd_device_foreach, /* foreach */
+	NULL, /* timesync */
 	mares_iconhd_device_close /* close */
 };
 

src/mares_nemo.c

@@ -62,6 +62,7 @@ static const dc_device_vtable_t mares_nemo_device_vtable = {
 	NULL, /* write */
 	mares_nemo_device_dump, /* dump */
 	mares_nemo_device_foreach, /* foreach */
+	NULL, /* timesync */
 	mares_nemo_device_close /* close */
 };
 

src/mares_puck.c

@@ -57,6 +57,7 @@ static const dc_device_vtable_t mares_puck_device_vtable = {
 	NULL, /* write */
 	mares_puck_device_dump, /* dump */
 	mares_puck_device_foreach, /* foreach */
+	NULL, /* timesync */
 	mares_puck_device_close /* close */
 };
 

src/oceanic_atom2.c

@@ -74,6 +74,7 @@ static const oceanic_common_device_vtable_t oceanic_atom2_device_vtable = {
 		oceanic_atom2_device_write, /* write */
 		oceanic_common_device_dump, /* dump */
 		oceanic_common_device_foreach, /* foreach */
+		NULL, /* timesync */
 		oceanic_atom2_device_close /* close */
 	},
 	oceanic_common_device_logbook,

src/oceanic_veo250.c

@@ -56,6 +56,7 @@ static const oceanic_common_device_vtable_t oceanic_veo250_device_vtable = {
 		NULL, /* write */
 		oceanic_common_device_dump, /* dump */
 		oceanic_common_device_foreach, /* foreach */
+		NULL, /* timesync */
 		oceanic_veo250_device_close /* close */
 	},
 	oceanic_common_device_logbook,

src/oceanic_vtpro.c

@@ -68,6 +68,7 @@ static const oceanic_common_device_vtable_t oceanic_vtpro_device_vtable = {
 		NULL, /* write */
 		oceanic_common_device_dump, /* dump */
 		oceanic_common_device_foreach, /* foreach */
+		NULL, /* timesync */
 		oceanic_vtpro_device_close /* close */
 	},
 	oceanic_vtpro_device_logbook,

src/reefnet_sensus.c

@@ -57,6 +57,7 @@ static const dc_device_vtable_t reefnet_sensus_device_vtable = {
 	NULL, /* write */
 	reefnet_sensus_device_dump, /* dump */
 	reefnet_sensus_device_foreach, /* foreach */
+	NULL, /* timesync */
 	reefnet_sensus_device_close /* close */
 };
 

src/reefnet_sensuspro.c

@@ -56,6 +56,7 @@ static const dc_device_vtable_t reefnet_sensuspro_device_vtable = {
 	NULL, /* write */
 	reefnet_sensuspro_device_dump, /* dump */
 	reefnet_sensuspro_device_foreach, /* foreach */
+	NULL, /* timesync */
 	reefnet_sensuspro_device_close /* close */
 };
 

src/reefnet_sensusultra.c

@@ -65,6 +65,7 @@ static const dc_device_vtable_t reefnet_sensusultra_device_vtable = {
 	NULL, /* write */
 	reefnet_sensusultra_device_dump, /* dump */
 	reefnet_sensusultra_device_foreach, /* foreach */
+	NULL, /* timesync */
 	reefnet_sensusultra_device_close /* close */
 };
 

src/shearwater_petrel.c

@@ -56,6 +56,7 @@ static const dc_device_vtable_t shearwater_petrel_device_vtable = {
 	NULL, /* write */
 	NULL, /* dump */
 	shearwater_petrel_device_foreach, /* foreach */
+	NULL, /* timesync */
 	shearwater_petrel_device_close /* close */
 };
 

src/shearwater_predator.c

@@ -57,6 +57,7 @@ static const dc_device_vtable_t shearwater_predator_device_vtable = {
 	NULL, /* write */
 	shearwater_predator_device_dump, /* dump */
 	shearwater_predator_device_foreach, /* foreach */
+	NULL, /* timesync */
 	shearwater_predator_device_close /* close */
 };
 

src/suunto_d9.c

@@ -58,6 +58,7 @@ static const suunto_common2_device_vtable_t suunto_d9_device_vtable = {
 		suunto_common2_device_write, /* write */
 		suunto_common2_device_dump, /* dump */
 		suunto_common2_device_foreach, /* foreach */
+		NULL, /* timesync */
 		suunto_d9_device_close /* close */
 	},
 	suunto_d9_device_packet

src/suunto_eon.c

@@ -51,6 +51,7 @@ static const dc_device_vtable_t suunto_eon_device_vtable = {
 	NULL, /* write */
 	suunto_eon_device_dump, /* dump */
 	suunto_eon_device_foreach, /* foreach */
+	NULL, /* timesync */
 	suunto_eon_device_close /* close */
 };
 

src/suunto_eonsteel.c

@@ -81,6 +81,7 @@ static const dc_device_vtable_t suunto_eonsteel_device_vtable = {
 	NULL, /* write */
 	NULL, /* dump */
 	suunto_eonsteel_device_foreach, /* foreach */
+	NULL, /* timesync */
 	suunto_eonsteel_device_close /* close */
 };
 

src/suunto_solution.c

@@ -54,6 +54,7 @@ static const dc_device_vtable_t suunto_solution_device_vtable = {
 	NULL, /* write */
 	suunto_solution_device_dump, /* dump */
 	suunto_solution_device_foreach, /* foreach */
+	NULL, /* timesync */
 	suunto_solution_device_close /* close */
 };
 

src/suunto_vyper.c

@@ -63,6 +63,7 @@ static const dc_device_vtable_t suunto_vyper_device_vtable = {
 	suunto_vyper_device_write, /* write */
 	suunto_vyper_device_dump, /* dump */
 	suunto_vyper_device_foreach, /* foreach */
+	NULL, /* timesync */
 	suunto_vyper_device_close /* close */
 };
 

src/suunto_vyper2.c

@@ -50,6 +50,7 @@ static const suunto_common2_device_vtable_t suunto_vyper2_device_vtable = {
 		suunto_common2_device_write, /* write */
 		suunto_common2_device_dump, /* dump */
 		suunto_common2_device_foreach, /* foreach */
+		NULL, /* timesync */
 		suunto_vyper2_device_close /* close */
 	},
 	suunto_vyper2_device_packet

src/uwatec_aladin.c

@@ -62,6 +62,7 @@ static const dc_device_vtable_t uwatec_aladin_device_vtable = {
 	NULL, /* write */
 	uwatec_aladin_device_dump, /* dump */
 	uwatec_aladin_device_foreach, /* foreach */
+	NULL, /* timesync */
 	uwatec_aladin_device_close /* close */
 };
 

src/uwatec_g2.c

@@ -54,6 +54,7 @@ static const dc_device_vtable_t uwatec_g2_device_vtable = {
 	NULL, /* write */
 	uwatec_g2_device_dump, /* dump */
 	uwatec_g2_device_foreach, /* foreach */
+	NULL, /* timesync */
 	uwatec_g2_device_close /* close */
 };
 

src/uwatec_memomouse.c

@@ -58,6 +58,7 @@ static const dc_device_vtable_t uwatec_memomouse_device_vtable = {
 	NULL, /* write */
 	uwatec_memomouse_device_dump, /* dump */
 	uwatec_memomouse_device_foreach, /* foreach */
+	NULL, /* timesync */
 	uwatec_memomouse_device_close /* close */
 };
 

src/uwatec_meridian.c

@@ -56,6 +56,7 @@ static const dc_device_vtable_t uwatec_meridian_device_vtable = {
 	NULL, /* write */
 	uwatec_meridian_device_dump, /* dump */
 	uwatec_meridian_device_foreach, /* foreach */
+	NULL, /* timesync */
 	uwatec_meridian_device_close /* close */
 };
 

src/uwatec_smart.c

@@ -52,6 +52,7 @@ static const dc_device_vtable_t uwatec_smart_device_vtable = {
 	NULL, /* write */
 	uwatec_smart_device_dump, /* dump */
 	uwatec_smart_device_foreach, /* foreach */
+	NULL, /* timesync */
 	uwatec_smart_device_close /* close */
 };
 

src/zeagle_n2ition3.c

@@ -64,6 +64,7 @@ static const dc_device_vtable_t zeagle_n2ition3_device_vtable = {
 	NULL, /* write */
 	zeagle_n2ition3_device_dump, /* dump */
 	zeagle_n2ition3_device_foreach, /* foreach */
+	NULL, /* timesync */
 	zeagle_n2ition3_device_close /* close */
 };