---
android/hal-ipc-api.txt | 14 ++++++++++++++
android/hal-msg.h | 11 +++++++++++
2 files changed, 25 insertions(+)
diff --git a/android/hal-ipc-api.txt b/android/hal-ipc-api.txt
index 5349c53..0a06e5e 100644
--- a/android/hal-ipc-api.txt
+++ b/android/hal-ipc-api.txt
@@ -1543,6 +1543,20 @@ Android HAL name: "gatt" (BT_PROFILE_GATT_ID)
In case of an error, the error response will be returned.
Opcode 0x0d - Write Characteristic command/response
+
+ Command parameters: Connection ID (4 octets)
+ Service ID (18 octets)
+ GATT ID (17 octets)
+ Write Type (4 octets)
+ Length (4 octets)
+ Authorization Req. (4 octets)
+ Value (variable)
+ Valid Service ID: as described in Get Included Service
+ Valid GATT ID: as described in Get Included Service
+ Response parameters: <none>
+
+ In case of an error, the error response will be returned.
+
Opcode 0x0e - Read Descriptor command/response
Opcode 0x0f - Write Descriptor command/response
Opcode 0x10 - Execute Write command/response
diff --git a/android/hal-msg.h b/android/hal-msg.h
index ebe2291..51e2fd9 100644
--- a/android/hal-msg.h
+++ b/android/hal-msg.h
@@ -608,6 +608,17 @@ struct hal_cmd_gatt_client_read_characteristic {
int32_t auth_req;
} __attribute__((packed));
+#define HAL_OP_GATT_CLIENT_WRITE_CHARACTERISTIC 0x0d
+struct hal_cmd_gatt_client_write_characteristic {
+ int32_t conn_id;
+ struct hal_gatt_srvc_id srvc_id;
+ struct hal_gatt_gatt_id gatt_id;
+ int32_t write_type;
+ int32_t len;
+ int32_t auth_req;
+ uint8_t value[0];
+} __attribute__((packed));
+
/* Notifications and confirmations */
#define HAL_POWER_OFF 0x00
--
1.9.0
--
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