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Bluetooth: Add bt_uuid_to_str function

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To be used for debugging purposes.

Change-Id: I471e1a0c1affc52e900ae99a53f58346e9f997ef
Signed-off-by: Mariusz Skamra <mariusz.skamra@tieto.com>
This commit is contained in:
Mariusz Skamra 2015-10-13 15:25:08 +02:00 • committed by Anas Nashif
commit 50e2355754
2 changed files with 48 additions and 0 deletions
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15
include/bluetooth/uuid.h
View file

@ -163,4 +163,19 @@ struct bt_uuid {
*/
int bt_uuid_cmp(const struct bt_uuid *u1, const struct bt_uuid *u2);
#if defined(CONFIG_BLUETOOTH_DEBUG)
/** @brief Convert Bluetooth UUID to string.
*
* Converts Bluetooth UUID to string. UUID has to be in 16 bits or 128 bits
* format.
*
* @param uuid Bluetooth UUID
* @param str pointer where to put converted string
* @param len length of str
*
* @return none
*/
void bt_uuid_to_str(const struct bt_uuid *uuid, char *str, size_t len);
#endif /* CONFIG_BLUETOOTH_DEBUG */
#endif /* __BT_UUID_H */

33
net/bluetooth/uuid.c
View file

@ -23,6 +23,11 @@
#include <bluetooth/uuid.h>
#if defined(CONFIG_BLUETOOTH_DEBUG)
#include <stdio.h>
#include <misc/byteorder.h>
#endif /* CONFIG_BLUETOOTH_DEBUG */
/* TODO: Decide wether to continue using BLE format or switch to RFC 4122 */
static const struct bt_uuid uuid128_base = {
.type = BT_UUID_128,
@ -69,3 +74,31 @@ int bt_uuid_cmp(const struct bt_uuid *u1, const struct bt_uuid *u2)
return -EINVAL;
}
#if defined(CONFIG_BLUETOOTH_DEBUG)
void bt_uuid_to_str(const struct bt_uuid *uuid, char *str, size_t len)
{
uint32_t tmp0, tmp5;
uint16_t tmp1, tmp2, tmp3, tmp4;
switch (uuid->type) {
case BT_UUID_16:
snprintf(str, len, "%.4x", uuid->u16);
break;
case BT_UUID_128:
memcpy(&tmp0, &uuid->u128[0], sizeof(tmp0));
memcpy(&tmp1, &uuid->u128[4], sizeof(tmp1));
memcpy(&tmp2, &uuid->u128[6], sizeof(tmp2));
memcpy(&tmp3, &uuid->u128[8], sizeof(tmp3));
memcpy(&tmp4, &uuid->u128[10], sizeof(tmp4));
memcpy(&tmp5, &uuid->u128[12], sizeof(tmp5));
snprintf(str, len, "%.8x-%.4x-%.4x-%.4x-%.8x%.4x",
tmp5, tmp4, tmp3, tmp2, tmp1, tmp0);
break;
default:
memset(str, 0, len);
return;
}
}
#endif /* CONFIG_BLUETOOTH_DEBUG */