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#include <ctype.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <hardware/bluetooth.h>
#include "util.h"
static int bachk(const char *str) {
if (!str)
return -1;
if (strlen(str) != 17)
return -1;
while (*str) {
if (!isxdigit(*str++))
return -1;
if (!isxdigit(*str++))
return -1;
if (*str == 0)
break;
if (*str++ != ':')
return -1;
}
return 0;
}
int str2ba(const char *str, bt_bdaddr_t *ba) {
int i;
if (bachk(str) < 0) {
memset(ba, 0, sizeof(*ba));
return -1;
}
for (i = 5; i >= 0; i--, str += 3)
ba->address[5-i] = strtol(str, NULL, 16);
return 0;
}
char *ba2str(const uint8_t *ba, char *str) {
sprintf(str, "%02X:%02X:%02X:%02X:%02X:%02X", ba[0], ba[1], ba[2], ba[3],
ba[4], ba[5]);
return str;
}
char *uuid2str(bt_uuid_t *uuid, char *str) {
/* format: 11223344-5566-7788-9900-112233445566 */
sprintf(str, "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-"
"%02x%02x%02x%02x%02x%02x", uuid->uu[15], uuid->uu[14],
uuid->uu[13], uuid->uu[12], uuid->uu[11], uuid->uu[10], uuid->uu[9],
uuid->uu[8], uuid->uu[7], uuid->uu[6], uuid->uu[5], uuid->uu[4],
uuid->uu[3], uuid->uu[2], uuid->uu[1], uuid->uu[0]);
return str;
}
bool str2uuid(const char *str, bt_uuid_t *uuid) {
/* base UUID used to convert small ones */
bt_uuid_t _uuid = {.uu = {0xfb, 0x34, 0x9b, 0x5f, 0x80, 0x00, 0x00, 0x80,
0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}};
int ret;
switch (strlen(str)) {
case 6: /* 16-bits */
ret = sscanf(str, "0x%02hhx%02hhx", &_uuid.uu[13], &_uuid.uu[12]);
if (ret != 2)
return false;
break;
case 36: /* 128-bits */
ret = sscanf(str, "%02hhx%02hhx%02hhx%02hhx-%02hhx%02hhx-"
"%02hhx%02hhx-%02hhx%02hhx-"
"%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx", &_uuid.uu[15],
&_uuid.uu[14], &_uuid.uu[13], &_uuid.uu[12],
&_uuid.uu[11], &_uuid.uu[10], &_uuid.uu[9],
&_uuid.uu[8], &_uuid.uu[7], &_uuid.uu[6], &_uuid.uu[5],
&_uuid.uu[4], &_uuid.uu[3], &_uuid.uu[2], &_uuid.uu[1],
&_uuid.uu[0]);
if (ret != 16)
return false;
break;
default:
return false;
}
memcpy(uuid, &_uuid, sizeof(_uuid));
return true;
}
int str_in_list(const char* list[], const char *str) {
unsigned i = 0;
if (list == NULL || str == NULL)
return -1;
while (list[i] != NULL) {
if (strcmp(list[i], str) == 0)
return i;
i++;
}
return -1;
}
const char *atterror2str(int err) {
switch (err) {
case 0x00:
return "Success";
case 0x01:
return "Invalid Handle";
case 0x02:
return "Read Not Permitted";
case 0x03:
return "Write Not Permitted";
case 0x04:
return "Invalid PDU";
case 0x05:
return "Insufficient Authentication";
case 0x06:
return "Request Not Supported";
case 0x07:
return "Invalid Offset";
case 0x08:
return "Insufficient Authorization";
case 0x09:
return "Prepare Queue Full";
case 0x0a:
return "Attribute Not Found";
case 0x0b:
return "Attribute Not Long";
case 0x0c:
return "Insufficient Encryption Key Size";
case 0x0d:
return "Invalid Attribute Value Length";
case 0x0e:
return "Unlikely Error";
case 0x0f:
return "Insufficient Encryption";
case 0x10:
return "Unsupported Group Type";
case 0x11:
return "Insufficient Resources";
/* Bluedroid defined errors */
/* They are defined in bluedroid source at stack/include/gatt_api.h */
case 0x80:
return "No Resources";
case 0x81:
return "Internal Error";
case 0x82:
return "Wrong State";
case 0x83:
return "DB Full";
case 0x84:
return "Busy";
case 0x85:
return "Error";
case 0x86:
return "Command Started";
case 0x87:
return "Illegal Parameter";
case 0x88:
return "Pending";
case 0x89:
return "Auth Fail";
case 0x8a:
return "More";
case 0x8b:
return "Invalid Config";
case 0x8c:
return "Service Started";
case 0x8d:
return "Encrypted No MITM";
case 0x8e:
return "Not Encrypted";
default:
if (err & 0x80)
return "Application Error";
else
return "Reserved";
}
}
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