Now conversion function android2uuid can recognize type of uuid and set
it value by copying significant bytes.
---
android/gatt.c | 34 +++++++++++++++++++++++++++++++---
1 file changed, 31 insertions(+), 3 deletions(-)
diff --git a/android/gatt.c b/android/gatt.c
index e339789..3a7ace1 100644
--- a/android/gatt.c
+++ b/android/gatt.c
@@ -54,6 +54,13 @@
#define GATT_SUCCESS 0x00000000
#define GATT_FAILURE 0x00000101
+#define BASE_UUID16_OFFSET 12
+
+static uint8_t BLUETOOTH_UUID[] = {
+ 0xfb, 0x34, 0x9b, 0x5f, 0x80, 0x00, 0x00, 0x80,
+ 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+};
+
struct gatt_client {
int32_t id;
uint8_t uuid[16];
@@ -134,14 +141,35 @@ static struct queue *listen_clients = NULL;
static void bt_le_discovery_stop_cb(void);
+static int get_type_from_android_uuid(const uint8_t *uuid)
+{
+ int i;
+
+ for (i = 0; i < 16; i++) {
+ /* ignore minimal uuid (16) value */
+ if (i == 12 || i == 13)
+ continue;
+
+ if (uuid[i] != BLUETOOTH_UUID[i])
+ return BT_UUID128;
+ }
+
+ return BT_UUID16;
+}
+
static void android2uuid(const uint8_t *uuid, bt_uuid_t *dst)
{
uint8_t i;
- dst->type = BT_UUID128;
+ dst->type = get_type_from_android_uuid(uuid);
- for (i = 0; i < 16; i++)
- dst->value.u128.data[i] = uuid[15 - i];
+ if (dst->type == BT_UUID16) {
+ /* copy 16 bit uuid value from full android 128bit uuid */
+ dst->value.u16 = (uuid[13] << 8) + uuid[12];
+ } else {
+ for (i = 0; i < 16; i++)
+ dst->value.u128.data[i] = uuid[15 - i];
+ }
}
static void uuid2android(const bt_uuid_t *src, uint8_t *uuid)
--
1.9.1
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