Remove the handshake function from the public api.

src/device-private.h

@@ -50,8 +50,6 @@ struct device_backend_t {
 
 	device_status_t (*set_fingerprint) (device_t *device, const unsigned char data[], unsigned int size);
 
-	device_status_t (*handshake) (device_t *device, unsigned char data[], unsigned int size);
-
 	device_status_t (*version) (device_t *device, unsigned char data[], unsigned int size);
 
 	device_status_t (*read) (device_t *device, unsigned int address, unsigned char data[], unsigned int size);

src/device.c

@@ -73,19 +73,6 @@ device_set_fingerprint (device_t *device, const unsigned char data[], unsigned i
 }
 
 
-device_status_t
-device_handshake (device_t *device, unsigned char data[], unsigned int size)
-{
-	if (device == NULL)
-		return DEVICE_STATUS_UNSUPPORTED;
-
-	if (device->backend->handshake == NULL)
-		return DEVICE_STATUS_UNSUPPORTED;
-
-	return device->backend->handshake (device, data, size);
-}
-
-
 device_status_t
 device_version (device_t *device, unsigned char data[], unsigned int size)
 {

src/device.h

@@ -86,8 +86,6 @@ device_status_t device_set_events (device_t *device, unsigned int events, device
 
 device_status_t device_set_fingerprint (device_t *device, const unsigned char data[], unsigned int size);
 
-device_status_t device_handshake (device_t *device, unsigned char data[], unsigned int size);
-
 device_status_t device_version (device_t *device, unsigned char data[], unsigned int size);
 
 device_status_t device_read (device_t *device, unsigned int address, unsigned char data[], unsigned int size);

src/libdivecomputer.symbols

@@ -21,7 +21,6 @@ device_close
 device_dump
 device_foreach
 device_get_type
-device_handshake
 device_read
 device_set_events
 device_set_fingerprint

src/mares_nemo.c

@@ -62,7 +62,6 @@ static device_status_t mares_nemo_device_close (device_t *abstract);
 static const device_backend_t mares_nemo_device_backend = {
 	DEVICE_TYPE_MARES_NEMO,
 	mares_nemo_device_set_fingerprint, /* set_fingerprint */
-	NULL, /* handshake */
 	NULL, /* version */
 	NULL, /* read */
 	NULL, /* write */

src/mares_puck.c

@@ -54,7 +54,6 @@ static device_status_t mares_puck_device_close (device_t *abstract);
 static const device_backend_t mares_puck_device_backend = {
 	DEVICE_TYPE_MARES_PUCK,
 	NULL, /* set_fingerprint */
-	NULL, /* handshake */
 	NULL, /* version */
 	mares_puck_device_read, /* read */
 	NULL, /* write */

src/oceanic_atom2.c

@@ -84,7 +84,6 @@ static device_status_t oceanic_atom2_device_close (device_t *abstract);
 static const device_backend_t oceanic_atom2_device_backend = {
 	DEVICE_TYPE_OCEANIC_ATOM2,
 	oceanic_atom2_device_set_fingerprint, /* set_fingerprint */
-	NULL, /* handshake */
 	oceanic_atom2_device_version, /* version */
 	oceanic_atom2_device_read, /* read */
 	oceanic_atom2_device_write, /* write */

src/oceanic_veo250.c

@@ -76,7 +76,6 @@ static device_status_t oceanic_veo250_device_close (device_t *abstract);
 static const device_backend_t oceanic_veo250_device_backend = {
 	DEVICE_TYPE_OCEANIC_VEO250,
 	NULL, /* set_fingerprint */
-	NULL, /* handshake */
 	oceanic_veo250_device_version, /* version */
 	oceanic_veo250_device_read, /* read */
 	NULL, /* write */

src/oceanic_vtpro.c

@@ -58,7 +58,6 @@ static device_status_t oceanic_vtpro_device_close (device_t *abstract);
 static const device_backend_t oceanic_vtpro_device_backend = {
 	DEVICE_TYPE_OCEANIC_VTPRO,
 	NULL, /* set_fingerprint */
-	NULL, /* handshake */
 	oceanic_vtpro_device_version, /* version */
 	oceanic_vtpro_device_read, /* read */
 	NULL, /* write */

src/reefnet_sensus.c

@@ -59,7 +59,6 @@ static device_status_t reefnet_sensus_device_close (device_t *abstract);
 static const device_backend_t reefnet_sensus_device_backend = {
 	DEVICE_TYPE_REEFNET_SENSUS,
 	reefnet_sensus_device_set_fingerprint, /* set_fingerprint */
-	NULL, /* handshake */
 	NULL, /* version */
 	NULL, /* read */
 	NULL, /* write */

src/reefnet_sensuspro.c

@@ -57,7 +57,6 @@ static device_status_t reefnet_sensuspro_device_close (device_t *abstract);
 static const device_backend_t reefnet_sensuspro_device_backend = {
 	DEVICE_TYPE_REEFNET_SENSUSPRO,
 	reefnet_sensuspro_device_set_fingerprint, /* set_fingerprint */
-	NULL, /* handshake */
 	NULL, /* version */
 	NULL, /* read */
 	NULL, /* write */

src/reefnet_sensusultra.c

@@ -63,7 +63,6 @@ static device_status_t reefnet_sensusultra_device_close (device_t *abstract);
 static const device_backend_t reefnet_sensusultra_device_backend = {
 	DEVICE_TYPE_REEFNET_SENSUSULTRA,
 	reefnet_sensusultra_device_set_fingerprint, /* set_fingerprint */
-	NULL, /* handshake */
 	NULL, /* version */
 	NULL, /* read */
 	NULL, /* write */

src/suunto_d9.c

@@ -72,7 +72,6 @@ static device_status_t suunto_d9_device_close (device_t *abstract);
 static const device_backend_t suunto_d9_device_backend = {
 	DEVICE_TYPE_SUUNTO_D9,
 	suunto_d9_device_set_fingerprint, /* set_fingerprint */
-	NULL, /* handshake */
 	suunto_d9_device_version, /* version */
 	suunto_d9_device_read, /* read */
 	suunto_d9_device_write, /* write */

src/suunto_eon.c

@@ -58,7 +58,6 @@ static device_status_t suunto_eon_device_close (device_t *abstract);
 static const device_backend_t suunto_eon_device_backend = {
 	DEVICE_TYPE_SUUNTO_EON,
 	suunto_eon_device_set_fingerprint, /* set_fingerprint */
-	NULL, /* handshake */
 	NULL, /* version */
 	NULL, /* read */
 	NULL, /* write */

src/suunto_solution.c

@@ -54,7 +54,6 @@ static device_status_t suunto_solution_device_close (device_t *abstract);
 static const device_backend_t suunto_solution_device_backend = {
 	DEVICE_TYPE_SUUNTO_SOLUTION,
 	NULL, /* set_fingerprint */
-	NULL, /* handshake */
 	NULL, /* version */
 	NULL, /* read */
 	NULL, /* write */

src/suunto_vyper.c

@@ -65,7 +65,6 @@ static device_status_t suunto_vyper_device_close (device_t *abstract);
 static const device_backend_t suunto_vyper_device_backend = {
 	DEVICE_TYPE_SUUNTO_VYPER,
 	suunto_vyper_device_set_fingerprint, /* set_fingerprint */
-	NULL, /* handshake */
 	NULL, /* version */
 	suunto_vyper_device_read, /* read */
 	suunto_vyper_device_write, /* write */

src/suunto_vyper2.c

@@ -72,7 +72,6 @@ static device_status_t suunto_vyper2_device_close (device_t *abstract);
 static const device_backend_t suunto_vyper2_device_backend = {
 	DEVICE_TYPE_SUUNTO_VYPER2,
 	suunto_vyper2_device_set_fingerprint, /* set_fingerprint */
-	NULL, /* handshake */
 	suunto_vyper2_device_version, /* version */
 	suunto_vyper2_device_read, /* read */
 	suunto_vyper2_device_write, /* write */

src/uwatec_aladin.c

@@ -65,7 +65,6 @@ static device_status_t uwatec_aladin_device_close (device_t *abstract);
 static const device_backend_t uwatec_aladin_device_backend = {
 	DEVICE_TYPE_UWATEC_ALADIN,
 	uwatec_aladin_device_set_fingerprint, /* set_fingerprint */
-	NULL, /* handshake */
 	NULL, /* version */
 	NULL, /* read */
 	NULL, /* write */

src/uwatec_memomouse.c

@@ -60,7 +60,6 @@ static device_status_t uwatec_memomouse_device_close (device_t *abstract);
 static const device_backend_t uwatec_memomouse_device_backend = {
 	DEVICE_TYPE_UWATEC_MEMOMOUSE,
 	uwatec_memomouse_device_set_fingerprint, /* set_fingerprint */
-	NULL, /* handshake */
 	NULL, /* version */
 	NULL, /* read */
 	NULL, /* write */

src/uwatec_smart.c

@@ -57,7 +57,6 @@ static device_status_t uwatec_smart_device_close (device_t *abstract);
 static const device_backend_t uwatec_smart_device_backend = {
 	DEVICE_TYPE_UWATEC_SMART,
 	uwatec_smart_device_set_fingerprint, /* set_fingerprint */
-	NULL, /* handshake */
 	NULL, /* version */
 	NULL, /* read */
 	NULL, /* write */