1 /******************************************************************************
2 *
3 * Copyright (C) 2012 Broadcom Corporation
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at:
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 *
17 ******************************************************************************/
18
19 /******************************************************************************
20 *
21 * Override the ALOGD(), ALOGE(), and other logging macros from
22 * /system/core/include/cutils/log.h
23 *
24 ******************************************************************************/
25 #include "OverrideLog.h"
26 #include <cutils/properties.h>
27 #include "config.h"
28 #define LOG_TAG "BrcmNfcJni"
29
30
31 /*******************************************************************************
32 **
33 ** Function: initializeGlobalAppLogLevel
34 **
35 ** Description: Initialize and get global logging level from .conf or
36 ** Android property nfc.app_log_level. The Android property
37 ** overrides .conf variable.
38 **
39 ** Returns: Global log level:
40 ** BT_TRACE_LEVEL_NONE 0 * No trace messages to be generated
41 ** BT_TRACE_LEVEL_ERROR 1 * Error condition trace messages
42 ** BT_TRACE_LEVEL_WARNING 2 * Warning condition trace messages
43 ** BT_TRACE_LEVEL_API 3 * API traces
44 ** BT_TRACE_LEVEL_EVENT 4 * Debug messages for events
45 ** BT_TRACE_LEVEL_DEBUG 5 * Debug messages (general)
46 **
47 *******************************************************************************/
initializeGlobalAppLogLevel()48 unsigned char initializeGlobalAppLogLevel ()
49 {
50 unsigned long num = 0;
51 char valueStr [PROPERTY_VALUE_MAX] = {0};
52
53 GetNumValue (NAME_APPL_TRACE_LEVEL, &num, sizeof(num));
54 appl_trace_level = (unsigned char) num;
55
56 int len = property_get ("nfc.app_log_level", valueStr, "");
57 if (len > 0)
58 {
59 //let Android property override .conf variable
60 sscanf (valueStr, "%lu", &num);
61 appl_trace_level = (unsigned char) num;
62 }
63
64 //0xFF is a special value used by the stack to query the current
65 //trace level; it does not change any trace level
66 if (appl_trace_level == 0xFF)
67 appl_trace_level = BT_TRACE_LEVEL_DEBUG;
68 ALOGD ("%s: level=%u", __FUNCTION__, appl_trace_level);
69 return appl_trace_level;
70 }
71