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 <string.h>
31 #include <stdio.h>
32 #include <utils/Log.h>
33 #include "bt_vendor_brcm.h"
34
35 /******************************************************************************
36 ** Externs
37 ******************************************************************************/
38 int userial_set_port(char *p_conf_name, char *p_conf_value, int param);
39 int hw_set_patch_file_path(char *p_conf_name, char *p_conf_value, int param);
40 int hw_set_patch_file_name(char *p_conf_name, char *p_conf_value, int param);
41 #if (VENDOR_LIB_RUNTIME_TUNING_ENABLED == TRUE)
42 int hw_set_patch_settlement_delay(char *p_conf_name, char *p_conf_value, int param);
43 #endif
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
54 typedef int(conf_action_t)(char *p_conf_name, char *p_conf_value, int param);
55
56 typedef 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 */
69 static 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 *******************************************************************************/
vnd_load_conf(const char * p_path)93 void 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 HILOGI("Attempt to load conf from %s", p_path);
102 if ((p_file = fopen(p_path, "r")) == NULL) {
103 HILOGI("vnd_load_conf file >%s< not found", p_path);
104 return;
105 }
106
107 /* read line by line */
108 while (fgets(line, CONF_MAX_LINE_LEN + 1, p_file) != NULL) {
109 if (line[0] == CONF_COMMENT) {
110 continue;
111 }
112
113 p_name = strtok(line, CONF_DELIMITERS);
114 if (p_name == NULL) {
115 continue;
116 }
117
118 p_value = strtok(NULL, CONF_DELIMITERS);
119 if (p_value == NULL) {
120 HILOGW("vnd_load_conf: missing value for name: %s", p_name);
121 continue;
122 }
123
124 p_entry = (conf_entry_t *)conf_table;
125 while (p_entry->conf_entry != NULL) {
126 if (strcmp(p_entry->conf_entry, (const char *)p_name) == 0) {
127 p_entry->p_action(p_name, p_value, p_entry->param);
128 break;
129 }
130
131 p_entry++;
132 }
133 }
134
135 (void)fclose(p_file);
136 }
137