From cbd76cec958cffc82cb626238c2ee5b924b12b4a Mon Sep 17 00:00:00 2001
From: Matthias Ringwald <matthias@ringwald.ch>
Date: Tue, 13 Jun 2023 16:25:23 +0200
Subject: [PATCH] gatt_client: add eatt state

---
 src/ble/gatt_client.c |  6 ++++++
 src/ble/gatt_client.h | 16 ++++++++++++++++
 2 files changed, 22 insertions(+)

diff --git a/src/ble/gatt_client.c b/src/ble/gatt_client.c
index 6a134c865..b0a96a4ef 100644
--- a/src/ble/gatt_client.c
+++ b/src/ble/gatt_client.c
@@ -189,6 +189,9 @@ static uint8_t gatt_client_provide_context_for_handle(hci_con_handle_t con_handl
         gatt_client->mtu_state = MTU_AUTO_EXCHANGE_DISABLED;
     }
     gatt_client->gatt_client_state = P_READY;
+#ifdef ENABLE_GATT_OVER_EATT
+    gatt_client->eatt_state = GATT_CLIENT_EATT_IDLE;
+#endif
     btstack_linked_list_add(&gatt_client_connections, (btstack_linked_item_t*)gatt_client);
 
     // get unenhanced att bearer state
@@ -2849,6 +2852,9 @@ uint8_t gatt_client_classic_connect(btstack_packet_handler_t callback, bd_addr_t
     gatt_client->sdp_query_request.callback = &gatt_client_classic_sdp_start;
     gatt_client->sdp_query_request.context = gatt_client;
     gatt_client->callback = callback;
+#ifdef ENABLE_GATT_OVER_EATT
+    gatt_client->eatt_state = GATT_CLIENT_EATT_IDLE;
+#endif
     btstack_linked_list_add(&gatt_client_connections, (btstack_linked_item_t*)gatt_client);
     sdp_client_register_query_callback(&gatt_client->sdp_query_request);
     return ERROR_CODE_SUCCESS;
diff --git a/src/ble/gatt_client.h b/src/ble/gatt_client.h
index 704ecbad4..4658932d1 100644
--- a/src/ble/gatt_client.h
+++ b/src/ble/gatt_client.h
@@ -144,6 +144,17 @@ typedef enum{
     MTU_AUTO_EXCHANGE_DISABLED
 } gatt_client_mtu_t;
 
+#ifdef ENABLE_GATT_OVER_EATT
+typedef enum {
+    GATT_CLIENT_EATT_IDLE,
+    GATT_CLIENT_EATT_W2_READ_SERVER_SUPPORTED_FEATURES,
+    GATT_CLIENT_EATT_W4_READ_SERVER_SUPPORTED_FEATURES,
+    GATT_CLIENT_EATT_W2_FIND_CLIENT_SUPPORTED_FEATURES,
+    GATT_CLIENT_EATT_W4_WRITE_ClIENT_SUPPORTED_FEATURES,
+    GATT_CLIENT_EATT_READY,
+} gatt_client_eatt_state_t;
+#endif
+
 typedef struct gatt_client{
     btstack_linked_item_t    item;
     // TODO: rename gatt_client_state -> state
@@ -172,6 +183,11 @@ typedef struct gatt_client{
     btstack_context_callback_registration_t sdp_query_request;
 #endif
 
+#ifdef ENABLE_GATT_OVER_EATT
+    gatt_client_eatt_state_t eatt_state;
+    uint16_t gatt_client_supported_features_handle;
+#endif
+
     uint16_t          mtu;
     gatt_client_mtu_t mtu_state;