1/******************************************************************************
2 *
3 *  Copyright (C) 2009-2012 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 *  Filename:      conf.c
22 *
23 *  Description:   Contains functions to conduct run-time module configuration
24 *                 based on entries present in the .conf file
25 *
26 ******************************************************************************/
27
28#define LOG_TAG "bt_vnd_conf"
29
30#include <utils/Log.h>
31#include <string.h>
32#include "bt_vendor_brcm.h"
33
34/******************************************************************************
35**  Externs
36******************************************************************************/
37int userial_set_port(char *p_conf_name, char *p_conf_value, int param);
38int hw_set_patch_file_path(char *p_conf_name, char *p_conf_value, int param);
39int hw_set_patch_file_name(char *p_conf_name, char *p_conf_value, int param);
40#if (VENDOR_LIB_RUNTIME_TUNING_ENABLED == TRUE)
41int hw_set_patch_settlement_delay(char *p_conf_name, char *p_conf_value, int param);
42#endif
43
44
45/******************************************************************************
46**  Local type definitions
47******************************************************************************/
48
49#define CONF_COMMENT '#'
50#define CONF_DELIMITERS " =\n\r\t"
51#define CONF_VALUES_DELIMITERS "=\n\r\t"
52#define CONF_MAX_LINE_LEN 255
53
54typedef int (conf_action_t)(char *p_conf_name, char *p_conf_value, int param);
55
56typedef struct {
57    const char *conf_entry;
58    conf_action_t *p_action;
59    int param;
60} conf_entry_t;
61
62/******************************************************************************
63**  Static variables
64******************************************************************************/
65
66/*
67 * Current supported entries and corresponding action functions
68 */
69static const conf_entry_t conf_table[] = {
70    {"UartPort", userial_set_port, 0},
71    {"FwPatchFilePath", hw_set_patch_file_path, 0},
72    {"FwPatchFileName", hw_set_patch_file_name, 0},
73#if (VENDOR_LIB_RUNTIME_TUNING_ENABLED == TRUE)
74    {"FwPatchSettlementDelay", hw_set_patch_settlement_delay, 0},
75#endif
76    {(const char *) NULL, NULL, 0}
77};
78
79/*****************************************************************************
80**   CONF INTERFACE FUNCTIONS
81*****************************************************************************/
82
83/*******************************************************************************
84**
85** Function        vnd_load_conf
86**
87** Description     Read conf entry from p_path file one by one and call
88**                 the corresponding config function
89**
90** Returns         None
91**
92*******************************************************************************/
93void vnd_load_conf(const char *p_path)
94{
95    FILE    *p_file;
96    char    *p_name;
97    char    *p_value;
98    conf_entry_t    *p_entry;
99    char    line[CONF_MAX_LINE_LEN+1]; /* add 1 for \0 char */
100
101    ALOGI("Attempt to load conf from %s", p_path);
102
103    if ((p_file = fopen(p_path, "r")) != NULL)
104    {
105        /* read line by line */
106        while (fgets(line, CONF_MAX_LINE_LEN+1, p_file) != NULL)
107        {
108            if (line[0] == CONF_COMMENT)
109                continue;
110
111            p_name = strtok(line, CONF_DELIMITERS);
112
113            if (NULL == p_name)
114            {
115                continue;
116            }
117
118            p_value = strtok(NULL, CONF_DELIMITERS);
119
120            if (NULL == p_value)
121            {
122                ALOGW("vnd_load_conf: missing value for name: %s", p_name);
123                continue;
124            }
125
126            p_entry = (conf_entry_t *)conf_table;
127
128            while (p_entry->conf_entry != NULL)
129            {
130                if (strcmp(p_entry->conf_entry, (const char *)p_name) == 0)
131                {
132                    p_entry->p_action(p_name, p_value, p_entry->param);
133                    break;
134                }
135
136                p_entry++;
137            }
138        }
139
140        fclose(p_file);
141    }
142    else
143    {
144        ALOGI( "vnd_load_conf file >%s< not found", p_path);
145    }
146}
147
148