Hi Sathish,
On Tue, Sep 20, 2022 at 3:29 AM Sathish Narasimman
<sathish.narasimman@xxxxxxxxx> wrote:
>
> This enables debug with bt_vcp_set_debug.
> ---
> profiles/audio/vcp.c | 7 ++
> src/shared/vcp.c | 238 +++++++++++++++++++++++++++----------------
> src/shared/vcp.h | 5 +
> 3 files changed, 163 insertions(+), 87 deletions(-)
>
> diff --git a/profiles/audio/vcp.c b/profiles/audio/vcp.c
> index e7e84174e7d4..b42b0a4f79dd 100644
> --- a/profiles/audio/vcp.c
> +++ b/profiles/audio/vcp.c
> @@ -62,6 +62,11 @@ struct vcp_data {
>
> static struct queue *sessions;
>
> +static void vcp_debug(const char *str, void *user_data)
> +{
> + DBG_IDX(0xffff, "%s", str);
> +}
> +
> static int vcp_disconnect(struct btd_service *service)
> {
> DBG("");
> @@ -87,6 +92,8 @@ static void vcp_data_add(struct vcp_data *data)
> return;
> }
>
> + bt_vcp_set_debug(data->vcp, vcp_debug, NULL, NULL);
> +
> if (!sessions)
> sessions = queue_new();
Let's have the above changes as a separate patch.
> diff --git a/src/shared/vcp.c b/src/shared/vcp.c
> index 4f8dc37e3c3e..3d0ff016d805 100644
> --- a/src/shared/vcp.c
> +++ b/src/shared/vcp.c
> @@ -26,7 +26,9 @@
> #include "src/shared/gatt-server.h"
> #include "src/shared/gatt-client.h"
> #include "src/shared/vcp.h"
> -#include "src/log.h"
> +
> +#define DBG(_vcp, fmt, arg...) \
> + vcp_debug(_vcp, "%s:%s() " fmt, __FILE__, __func__, ## arg)
>
> #define VCP_STEP_SIZE 1
>
> @@ -87,8 +89,11 @@ struct bt_vcp {
> unsigned int vstate_id;
> unsigned int vflag_id;
>
> + struct queue *notify;
> struct queue *pending;
>
> + bt_vcp_debug_func_t debug_func;
> + bt_vcp_destroy_func_t debug_destroy;
> void *debug_data;
> void *user_data;
> };
> @@ -262,11 +267,23 @@ void bt_vcp_unref(struct bt_vcp *vcp)
> vcp_free(vcp);
> }
>
> +static void vcp_debug(struct bt_vcp *vcp, const char *format, ...)
> +{
> + va_list ap;
> +
> + if (!vcp || !format || !vcp->debug_func)
> + return;
> +
> + va_start(ap, format);
> + util_debug_va(vcp->debug_func, vcp->debug_data, format, ap);
> + va_end(ap);
> +}
> +
> static void vcp_disconnected(int err, void *user_data)
> {
> struct bt_vcp *vcp = user_data;
>
> - DBG("vcp %p disconnected err %d", vcp, err);
> + DBG(vcp, "vcp %p disconnected err %d", vcp, err);
>
> bt_vcp_detach(vcp);
> }
> @@ -301,17 +318,17 @@ static uint8_t vcs_rel_vol_down(struct bt_vcs *vcs, struct bt_vcp *vcp,
> struct vol_state *vstate;
> uint8_t *change_counter;
>
> - DBG("");
> + DBG(vcp, "Volume Down");
>
> vdb = vcp_get_vdb(vcp);
> if (!vdb) {
> - DBG("error: VDB not availalbe");
> + DBG(vcp, "error: VDB not availalbe");
While at it please fix the typos s/availalbe/available, there are
quite a few of those.
> return 0;
> }
>
> vstate = vdb_get_vstate(vdb);
> if (!vstate) {
> - DBG("error: VSTATE not availalbe");
> + DBG(vcp, "error: VSTATE not availalbe");
> return 0;
> }
>
> @@ -320,7 +337,7 @@ static uint8_t vcs_rel_vol_down(struct bt_vcs *vcs, struct bt_vcp *vcp,
> return 0;
>
> if (*change_counter != vstate->counter) {
> - DBG("Change Counter Mismatch Volume not decremented!");
> + DBG(vcp, "Change Counter Mismatch Volume not decremented!");
> return BT_ATT_ERROR_INVALID_CHANGE_COUNTER;
> }
>
> @@ -340,17 +357,17 @@ static uint8_t vcs_rel_vol_up(struct bt_vcs *vcs, struct bt_vcp *vcp,
> struct vol_state *vstate;
> uint8_t *change_counter;
>
> - DBG("");
> + DBG(vcp, "Volume Up");
>
> vdb = vcp_get_vdb(vcp);
> if (!vdb) {
> - DBG("error: VDB not availalbe");
> + DBG(vcp, "error: VDB not availalbe");
> return 0;
> }
>
> vstate = vdb_get_vstate(vdb);
> if (!vstate) {
> - DBG("error: VCP database not availalbe!!!!");
> + DBG(vcp, "error: VCP database not availalbe!!!!");
> return 0;
> }
>
> @@ -359,7 +376,7 @@ static uint8_t vcs_rel_vol_up(struct bt_vcs *vcs, struct bt_vcp *vcp,
> return 0;
>
> if (*change_counter != vstate->counter) {
> - DBG("Change Counter Mismatch Volume not decremented!");
> + DBG(vcp, "Change Counter Mismatch Volume not decremented!");
> return BT_ATT_ERROR_INVALID_CHANGE_COUNTER;
> }
>
> @@ -379,17 +396,17 @@ static uint8_t vcs_unmute_rel_vol_down(struct bt_vcs *vcs, struct bt_vcp *vcp,
> struct vol_state *vstate;
> uint8_t *change_counter;
>
> - DBG("");
> + DBG(vcp, "Un Mute and Volume Down");
>
> vdb = vcp_get_vdb(vcp);
> if (!vdb) {
> - DBG("error: VDB not availalbe");
> + DBG(vcp, "error: VDB not availalbe");
> return 0;
> }
>
> vstate = vdb_get_vstate(vdb);
> if (!vstate) {
> - DBG("error: VCP database not availalbe!!!!");
> + DBG(vcp, "error: VCP database not availalbe!!!!");
> return 0;
> }
>
> @@ -398,7 +415,7 @@ static uint8_t vcs_unmute_rel_vol_down(struct bt_vcs *vcs, struct bt_vcp *vcp,
> return 0;
>
> if (*change_counter != vstate->counter) {
> - DBG("Change Counter Mismatch Volume not decremented!");
> + DBG(vcp, "Change Counter Mismatch Volume not decremented!");
> return BT_ATT_ERROR_INVALID_CHANGE_COUNTER;
> }
>
> @@ -419,17 +436,17 @@ static uint8_t vcs_unmute_rel_vol_up(struct bt_vcs *vcs, struct bt_vcp *vcp,
> struct vol_state *vstate;
> uint8_t *change_counter;
>
> - DBG("");
> + DBG(vcp, "UN Mute and Volume Up");
>
> vdb = vcp_get_vdb(vcp);
> if (!vdb) {
> - DBG("error: VDB not availalbe");
> + DBG(vcp, "error: VDB not availalbe");
> return 0;
> }
>
> vstate = vdb_get_vstate(vdb);
> if (!vstate) {
> - DBG("error: VSTATE not availalbe");
> + DBG(vcp, "error: VSTATE not availalbe");
> return 0;
> }
>
> @@ -438,7 +455,7 @@ static uint8_t vcs_unmute_rel_vol_up(struct bt_vcs *vcs, struct bt_vcp *vcp,
> return 0;
>
> if (*change_counter != vstate->counter) {
> - DBG("Change Counter Mismatch Volume not decremented!");
> + DBG(vcp, "Change Counter Mismatch Volume not decremented!");
> return BT_ATT_ERROR_INVALID_CHANGE_COUNTER;
> }
>
> @@ -459,17 +476,17 @@ static uint8_t vcs_set_absolute_vol(struct bt_vcs *vcs, struct bt_vcp *vcp,
> struct vol_state *vstate;
> struct bt_vcs_ab_vol *req;
>
> - DBG("");
> + DBG(vcp, "Set Absolute Volume");
>
> vdb = vcp_get_vdb(vcp);
> if (!vdb) {
> - DBG("error: VDB not availalbe");
> + DBG(vcp, "error: VDB not availalbe");
> return 0;
> }
>
> vstate = vdb_get_vstate(vdb);
> if (!vstate) {
> - DBG("error: VSTATE not availalbe");
> + DBG(vcp, "error: VSTATE not availalbe");
> return 0;
> }
>
> @@ -478,7 +495,7 @@ static uint8_t vcs_set_absolute_vol(struct bt_vcs *vcs, struct bt_vcp *vcp,
> return 0;
>
> if (req->change_counter != vstate->counter) {
> - DBG("Change Counter Mismatch Volume not decremented!");
> + DBG(vcp, "Change Counter Mismatch Volume not decremented!");
> return BT_ATT_ERROR_INVALID_CHANGE_COUNTER;
> }
>
> @@ -498,17 +515,17 @@ static uint8_t vcs_unmute(struct bt_vcs *vcs, struct bt_vcp *vcp,
> struct vol_state *vstate;
> uint8_t *change_counter;
>
> - DBG("");
> + DBG(vcp, "Un Mute");
>
> vdb = vcp_get_vdb(vcp);
> if (!vdb) {
> - DBG("error: VDB not availalbe");
> + DBG(vcp, "error: VDB not availalbe");
> return 0;
> }
>
> vstate = vdb_get_vstate(vdb);
> if (!vstate) {
> - DBG("error: VSTATE not availalbe");
> + DBG(vcp, "error: VSTATE not availalbe");
> return 0;
> }
>
> @@ -517,7 +534,7 @@ static uint8_t vcs_unmute(struct bt_vcs *vcs, struct bt_vcp *vcp,
> return 0;
>
> if (*change_counter != vstate->counter) {
> - DBG("Change Counter Mismatch Volume not decremented!");
> + DBG(vcp, "Change Counter Mismatch Volume not decremented!");
> return BT_ATT_ERROR_INVALID_CHANGE_COUNTER;
> }
>
> @@ -537,17 +554,17 @@ static uint8_t vcs_mute(struct bt_vcs *vcs, struct bt_vcp *vcp,
> struct vol_state *vstate;
> uint8_t *change_counter;
>
> - DBG("");
> + DBG(vcp, "MUTE");
>
> vdb = vcp_get_vdb(vcp);
> if (!vdb) {
> - DBG("error: VDB not availalbe");
> + DBG(vcp, "error: VDB not availalbe");
> return 0;
> }
>
> vstate = vdb_get_vstate(vdb);
> if (!vstate) {
> - DBG("error: VSTATE not availalbe");
> + DBG(vcp, "error: VSTATE not availalbe");
> return 0;
> }
>
> @@ -556,7 +573,7 @@ static uint8_t vcs_mute(struct bt_vcs *vcs, struct bt_vcp *vcp,
> return 0;
>
> if (*change_counter != vstate->counter) {
> - DBG("Change Counter Mismatch Volume not decremented!");
> + DBG(vcp, "Change Counter Mismatch Volume not decremented!");
> return BT_ATT_ERROR_INVALID_CHANGE_COUNTER;
> }
>
> @@ -622,16 +639,16 @@ static void vcs_cp_write(struct gatt_db_attribute *attrib,
> struct vcs_op_handler *handler;
> uint8_t ret = BT_ATT_ERROR_REQUEST_NOT_SUPPORTED;
>
> - DBG("");
> + DBG(vcp, "VCP Control Point Write");
>
> if (offset) {
> - DBG("invalid offset %d", offset);
> + DBG(vcp, "invalid offset %d", offset);
> ret = BT_ATT_ERROR_INVALID_OFFSET;
> goto respond;
> }
>
> if (len < sizeof(*vcp_op)) {
> - DBG("invalid len %ld < %ld sizeof(*param)", len,
> + DBG(vcp, "invalid len %ld < %ld sizeof(*param)", len,
> sizeof(*vcp_op));
> ret = BT_ATT_ERROR_INVALID_ATTRIBUTE_VALUE_LEN;
> goto respond;
> @@ -639,14 +656,12 @@ static void vcs_cp_write(struct gatt_db_attribute *attrib,
>
> vcp_op = iov_pull_mem(&iov, sizeof(*vcp_op));
>
> - DBG("op: %x", *vcp_op);
> -
> for (handler = vcp_handlers; handler && handler->str; handler++) {
> if (handler->op != *vcp_op)
> continue;
>
> if (iov.iov_len < handler->size) {
> - DBG("invalid len %ld < %ld handler->size", len,
> + DBG(vcp, "invalid len %ld < %ld handler->size", len,
> handler->size);
> ret = BT_ATT_ERROR_OPCODE_NOT_SUPPORTED;
> goto respond;
> @@ -656,11 +671,11 @@ static void vcs_cp_write(struct gatt_db_attribute *attrib,
> }
>
> if (handler && handler->str) {
> - DBG("%s", handler->str);
> + DBG(vcp, "%s", handler->str);
>
> ret = handler->func(vcs, vcp, &iov);
> } else {
> - DBG("Unknown opcode 0x%02x", *vcp_op);
> + DBG(vcp, "Unknown opcode 0x%02x", *vcp_op);
> ret = BT_ATT_ERROR_OPCODE_NOT_SUPPORTED;
> }
>
> @@ -676,8 +691,6 @@ static void vcs_state_read(struct gatt_db_attribute *attrib,
> struct bt_vcs *vcs = user_data;
> struct iovec iov;
>
> - DBG("");
> -
> iov.iov_base = vcs->vstate;
> iov.iov_len = sizeof(*vcs->vstate);
>
> @@ -693,8 +706,6 @@ static void vcs_flag_read(struct gatt_db_attribute *attrib,
> struct bt_vcs *vcs = user_data;
> struct iovec iov;
>
> - DBG("vf: %x", vcs->vol_flag);
> -
> iov.iov_base = &vcs->vol_flag;
> iov.iov_len = sizeof(vcs->vol_flag);
>
> @@ -797,6 +808,22 @@ void bt_vcp_add_db(struct gatt_db *db)
> vcp_db_new(db);
> }
>
> +bool bt_vcp_set_debug(struct bt_vcp *vcp, bt_vcp_debug_func_t func,
> + void *user_data, bt_vcp_destroy_func_t destroy)
> +{
> + if (!vcp)
> + return false;
> +
> + if (vcp->debug_destroy)
> + vcp->debug_destroy(vcp->debug_data);
> +
> + vcp->debug_func = func;
> + vcp->debug_destroy = destroy;
> + vcp->debug_data = user_data;
> +
> + return true;
> +}
> +
> unsigned int bt_vcp_register(bt_vcp_func_t attached, bt_vcp_func_t detached,
> void *user_data)
> {
> @@ -871,40 +898,28 @@ done:
> return vcp;
> }
>
> -static void vcp_vstate_register(uint16_t att_ecode, void *user_data)
> -{
> - DBG("");
> - if (att_ecode)
> - DBG("VCS register failed: 0x%04x", att_ecode);
> -}
> -
> -static void vcp_vflag_register(uint16_t att_ecode, void *user_data)
> -{
> - DBG("");
> - if (att_ecode)
> - DBG("VCS register failed: 0x%04x", att_ecode);
> -}
> -
> -static void vcp_vstate_notify(uint16_t value_handle, const uint8_t *value,
> - uint16_t length, void *user_data)
> +static void vcp_vstate_notify(struct bt_vcp *vcp, uint16_t value_handle,
> + const uint8_t *value, uint16_t length,
> + void *user_data)
> {
> struct vol_state vstate;
>
> memcpy(&vstate, value, sizeof(struct vol_state));
>
> - DBG("Vol Settings 0x%x", vstate.vol_set);
> - DBG("Mute Status 0x%x", vstate.mute);
> - DBG("Vol Counter 0x%x", vstate.counter);
> + DBG(vcp, "Vol Settings 0x%x", vstate.vol_set);
> + DBG(vcp, "Mute Status 0x%x", vstate.mute);
> + DBG(vcp, "Vol Counter 0x%x", vstate.counter);
> }
>
> -static void vcp_vflag_notify(uint16_t value_handle, const uint8_t *value,
> - uint16_t length, void *user_data)
> +static void vcp_vflag_notify(struct bt_vcp *vcp, uint16_t value_handle,
> + const uint8_t *value, uint16_t length,
> + void *user_data)
> {
> uint8_t vflag;
>
> memcpy(&vflag, value, sizeof(vflag));
>
> - DBG("Vol Flag 0x%x", vflag);
> + DBG(vcp, "Vol Flag 0x%x", vflag);
> }
>
> static void read_vol_flag(struct bt_vcp *vcp, bool success, uint8_t att_ecode,
> @@ -918,17 +933,17 @@ static void read_vol_flag(struct bt_vcp *vcp, bool success, uint8_t att_ecode,
> };
>
> if (!success) {
> - DBG("Unable to read VCP Vol State: error 0x%02x", att_ecode);
> + DBG(vcp, "Unable to read Vol Flag: error 0x%02x", att_ecode);
> return;
> }
>
> vol_flag = iov_pull_mem(&iov, sizeof(*vol_flag));
> if (!vol_flag) {
> - DBG("Unable to get Vol State");
> + DBG(vcp, "Unable to get Vol Flag");
> return;
> }
>
> - DBG("Vol Flag:%x", *vol_flag);
> + DBG(vcp, "Vol Flag:%x", *vol_flag);
> }
>
> static void read_vol_state(struct bt_vcp *vcp, bool success, uint8_t att_ecode,
> @@ -942,19 +957,19 @@ static void read_vol_state(struct bt_vcp *vcp, bool success, uint8_t att_ecode,
> };
>
> if (!success) {
> - DBG("Unable to read VCP Vol State: error 0x%02x", att_ecode);
> + DBG(vcp, "Unable to read Vol State: error 0x%02x", att_ecode);
> return;
> }
>
> vs = iov_pull_mem(&iov, sizeof(*vs));
> if (!vs) {
> - DBG("Unable to get Vol State");
> + DBG(vcp, "Unable to get Vol State");
> return;
> }
>
> - DBG("Vol Set:%x", vs->vol_set);
> - DBG("Vol Mute:%x", vs->mute);
> - DBG("Vol Counter:%x", vs->counter);
> + DBG(vcp, "Vol Set:%x", vs->vol_set);
> + DBG(vcp, "Vol Mute:%x", vs->mute);
> + DBG(vcp, "Vol Counter:%x", vs->counter);
> }
>
> static void vcp_pending_destroy(void *data)
> @@ -991,7 +1006,7 @@ static void vcp_read_value(struct bt_vcp *vcp, uint16_t value_handle,
> vcp_pending_complete, pending,
> vcp_pending_destroy);
> if (!pending->id) {
> - DBG("Unable to send Read request");
> + DBG(vcp, "Unable to send Read request");
> free(pending);
> return;
> }
> @@ -999,6 +1014,60 @@ static void vcp_read_value(struct bt_vcp *vcp, uint16_t value_handle,
> queue_push_tail(vcp->pending, pending);
> }
>
> +static void vcp_register(uint16_t att_ecode, void *user_data)
> +{
> + struct bt_vcp_notify *notify = user_data;
> +
> + if (att_ecode)
> + DBG(notify->vcp, "VCP register failed: 0x%04x", att_ecode);
> +}
> +
> +static void vcp_notify(uint16_t value_handle, const uint8_t *value,
> + uint16_t length, void *user_data)
> +{
> + struct bt_vcp_notify *notify = user_data;
> +
> + if (notify->func)
> + notify->func(notify->vcp, value_handle, value, length,
> + notify->user_data);
> +}
> +
> +static void vcp_notify_destroy(void *data)
> +{
> + struct bt_vcp_notify *notify = data;
> + struct bt_vcp *vcp = notify->vcp;
> +
> + if (queue_remove_if(vcp->notify, NULL, notify))
> + free(notify);
> +}
> +
> +static unsigned int vcp_register_notify(struct bt_vcp *vcp,
> + uint16_t value_handle,
> + vcp_notify_t func,
> + void *user_data)
> +{
> + struct bt_vcp_notify *notify;
> +
> + notify = new0(struct bt_vcp_notify, 1);
> + notify->vcp = vcp;
> + notify->func = func;
> + notify->user_data = user_data;
> +
> + notify->id = bt_gatt_client_register_notify(vcp->client,
> + value_handle, vcp_register,
> + vcp_notify, notify,
> + vcp_notify_destroy);
> + if (!notify->id) {
> + DBG(vcp, "Unable to register for notifications");
> + free(notify);
> + return 0;
> + }
> +
> + queue_push_tail(vcp->notify, notify);
> +
> + return notify->id;
> +}
> +
> static void foreach_vcs_char(struct gatt_db_attribute *attr, void *user_data)
> {
> struct bt_vcp *vcp = user_data;
> @@ -1006,7 +1075,6 @@ static void foreach_vcs_char(struct gatt_db_attribute *attr, void *user_data)
> bt_uuid_t uuid, uuid_vstate, uuid_cp, uuid_vflag;
> struct bt_vcs *vcs;
>
> - DBG("");
> if (!gatt_db_attribute_get_char_data(attr, NULL, &value_handle,
> NULL, NULL, &uuid))
> return;
> @@ -1016,7 +1084,7 @@ static void foreach_vcs_char(struct gatt_db_attribute *attr, void *user_data)
> bt_uuid16_create(&uuid_vflag, VOL_FLAG_CHRC_UUID);
>
> if (!bt_uuid_cmp(&uuid, &uuid_vstate)) {
> - DBG("VCS Volume state found: handle 0x%04x", value_handle);
> + DBG(vcp, "VCS Vol state found: handle 0x%04x", value_handle);
>
> vcs = vcp_get_vcs(vcp);
> if (!vcs || vcs->vs)
> @@ -1025,16 +1093,15 @@ static void foreach_vcs_char(struct gatt_db_attribute *attr, void *user_data)
> vcs->vs = attr;
>
> vcp_read_value(vcp, value_handle, read_vol_state, vcp);
> - vcp->vstate_id = bt_gatt_client_register_notify(vcp->client,
> - value_handle,
> - vcp_vstate_register,
> - vcp_vstate_notify, vcp, NULL);
> +
> + vcp->vstate_id = vcp_register_notify(vcp, value_handle,
> + vcp_vstate_notify, NULL);
>
> return;
> }
>
> if (!bt_uuid_cmp(&uuid, &uuid_cp)) {
> - DBG("VCS Volume CP found: handle 0x%04x", value_handle);
> + DBG(vcp, "VCS Volume CP found: handle 0x%04x", value_handle);
>
> vcs = vcp_get_vcs(vcp);
> if (!vcs || vcs->vol_cp)
> @@ -1046,7 +1113,7 @@ static void foreach_vcs_char(struct gatt_db_attribute *attr, void *user_data)
> }
>
> if (!bt_uuid_cmp(&uuid, &uuid_vflag)) {
> - DBG("VCS Vol Flaf found: handle 0x%04x", value_handle);
> + DBG(vcp, "VCS Vol Flag found: handle 0x%04x", value_handle);
>
> vcs = vcp_get_vcs(vcp);
> if (!vcs || vcs->vf)
> @@ -1055,12 +1122,10 @@ static void foreach_vcs_char(struct gatt_db_attribute *attr, void *user_data)
> vcs->vf = attr;
>
> vcp_read_value(vcp, value_handle, read_vol_flag, vcp);
> - vcp->vflag_id = bt_gatt_client_register_notify(vcp->client,
> - value_handle,
> - vcp_vflag_register,
> - vcp_vflag_notify, vcp, NULL);
> - }
> + vcp->vflag_id = vcp_register_notify(vcp, value_handle,
> + vcp_vflag_notify, NULL);
>
> + }
> }
>
> static void foreach_vcs_service(struct gatt_db_attribute *attr,
> @@ -1069,7 +1134,6 @@ static void foreach_vcs_service(struct gatt_db_attribute *attr,
> struct bt_vcp *vcp = user_data;
> struct bt_vcs *vcs = vcp_get_vcs(vcp);
>
> - DBG("");
> vcs->service = attr;
>
> gatt_db_service_set_claimed(attr, true);
> diff --git a/src/shared/vcp.h b/src/shared/vcp.h
> index 1a999c7776fd..26db5732d19b 100644
> --- a/src/shared/vcp.h
> +++ b/src/shared/vcp.h
> @@ -33,6 +33,8 @@
>
> struct bt_vcp;
>
> +typedef void (*bt_vcp_destroy_func_t)(void *user_data);
> +typedef void (*bt_vcp_debug_func_t)(const char *str, void *user_data);
> typedef void (*bt_vcp_func_t)(struct bt_vcp *vcp, void *user_data);
>
> struct bt_vcp *bt_vcp_ref(struct bt_vcp *vcp);
> @@ -43,6 +45,9 @@ void bt_vcp_add_db(struct gatt_db *db);
> bool bt_vcp_attach(struct bt_vcp *vcp, struct bt_gatt_client *client);
> void bt_vcp_detach(struct bt_vcp *vcp);
>
> +bool bt_vcp_set_debug(struct bt_vcp *vcp, bt_vcp_debug_func_t cb,
> + void *user_data, bt_vcp_destroy_func_t destroy);
> +
> struct bt_att *bt_vcp_get_att(struct bt_vcp *vcp);
>
> bool bt_vcp_set_user_data(struct bt_vcp *vcp, void *user_data);
> --
> 2.25.1
>
--
Luiz Augusto von Dentz
