xref: /btstack/port/posix-h4-zephyr/main.c (revision 046b44372d25c7bd6fe78e5cf6e5176a1979f437)
1 /*
2  * Copyright (C) 2014 BlueKitchen GmbH
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  *
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. Neither the name of the copyright holders nor the names of
14  *    contributors may be used to endorse or promote products derived
15  *    from this software without specific prior written permission.
16  * 4. Any redistribution, use, or modification is done solely for
17  *    personal benefit and not for any commercial purpose or for
18  *    monetary gain.
19  *
20  * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
23  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
24  * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
26  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
27  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
28  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
29  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
30  * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  *
33  * Please inquire about commercial licensing options at
34  * [email protected]
35  *
36  */
37 
38 #define __BTSTACK_FILE__ "main.c"
39 
40 // *****************************************************************************
41 //
42 // minimal setup for HCI code
43 //
44 // *****************************************************************************
45 
46 #include <stdint.h>
47 #include <stdio.h>
48 #include <stdlib.h>
49 #include <string.h>
50 #include <signal.h>
51 
52 #include "btstack_config.h"
53 
54 #include "btstack_debug.h"
55 #include "btstack_event.h"
56 #include "btstack_link_key_db_fs.h"
57 #include "btstack_memory.h"
58 #include "btstack_run_loop.h"
59 #include "btstack_run_loop_posix.h"
60 #include "bluetooth_company_id.h"
61 #include "hci.h"
62 #include "hci_dump.h"
63 #include "btstack_stdin.h"
64 #include "btstack_chipset_zephyr.h"
65 #include "btstack_tlv_posix.h"
66 
67 int btstack_main(int argc, const char * argv[]);
68 
69 #define TLV_DB_PATH_PREFIX "/tmp/btstack_"
70 #define TLV_DB_PATH_POSTFIX ".tlv"
71 static char tlv_db_path[100];
72 static const btstack_tlv_t * tlv_impl;
73 static btstack_tlv_posix_t   tlv_context;
74 
75 static hci_transport_config_uart_t config = {
76     HCI_TRANSPORT_CONFIG_UART,
77     1000000,
78     0,  // main baudrate
79     1,  // flow control
80     NULL,
81 };
82 
83 static btstack_packet_callback_registration_t hci_event_callback_registration;
84 
85 static const uint8_t read_static_address_command_complete_prefix[] = { 0x0e, 0x1b, 0x01, 0x09, 0xfc };
86 static bd_addr_t static_address;
87 
88 static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
89     if (packet_type != HCI_EVENT_PACKET) return;
90     switch (hci_event_packet_get_type(packet)){
91         case BTSTACK_EVENT_STATE:
92             if (btstack_event_state_get_state(packet) != HCI_STATE_WORKING) break;
93             printf("BTstack up and running as %s\n",  bd_addr_to_str(static_address));
94             // setup TLV
95             strcpy(tlv_db_path, TLV_DB_PATH_PREFIX);
96             strcat(tlv_db_path, bd_addr_to_str(static_address));
97             strcat(tlv_db_path, TLV_DB_PATH_POSTFIX);
98             tlv_impl = btstack_tlv_posix_init_instance(&tlv_context, tlv_db_path);
99             btstack_tlv_set_instance(tlv_impl, &tlv_context);
100             break;
101         case HCI_EVENT_COMMAND_COMPLETE:
102             if (memcmp(packet, read_static_address_command_complete_prefix, sizeof(read_static_address_command_complete_prefix)) == 0){
103                 reverse_48(&packet[7], static_address);
104                 gap_random_address_set(static_address);
105             }
106             break;
107         default:
108             break;
109     }
110 }
111 
112 static void sigint_handler(int param){
113     UNUSED(param);
114 
115     printf("CTRL-C - SIGINT received, shutting down..\n");
116     log_info("sigint_handler: shutting down");
117 
118     // reset anyway
119     btstack_stdin_reset();
120 
121     // power down
122     hci_power_control(HCI_POWER_OFF);
123     hci_close();
124     log_info("Good bye, see you.\n");
125     exit(0);
126 }
127 
128 static int led_state = 0;
129 void hal_led_toggle(void){
130     led_state = 1 - led_state;
131     printf("LED State %u\n", led_state);
132 }
133 
134 int main(int argc, const char * argv[]){
135 
136 	/// GET STARTED with BTstack ///
137 	btstack_memory_init();
138     btstack_run_loop_init(btstack_run_loop_posix_get_instance());
139 
140     // use logger: format HCI_DUMP_PACKETLOGGER, HCI_DUMP_BLUEZ or HCI_DUMP_STDOUT
141     const char * pklg_path = "/tmp/hci_dump.pklg";
142     hci_dump_open(pklg_path, HCI_DUMP_PACKETLOGGER);
143     printf("Packet Log: %s\n", pklg_path);
144 
145     // pick serial port
146     config.device_name = "/dev/tty.usbmodem14514421"; // PCA10040 nRF52832
147 
148     // accept path from command line
149     if (argc >= 3 && strcmp(argv[1], "-u") == 0){
150         config.device_name = argv[2];
151         argc -= 2;
152         memmove(&argv[1], &argv[3], (argc-1) * sizeof(char *));
153     }
154     printf("H4 device: %s\n", config.device_name);
155 
156     // init HCI
157     const btstack_uart_block_t * uart_driver = btstack_uart_block_posix_instance();
158 	const hci_transport_t * transport = hci_transport_h4_instance(uart_driver);
159     const btstack_link_key_db_t * link_key_db = btstack_link_key_db_fs_instance();
160 	hci_init(transport, (void*) &config);
161     hci_set_link_key_db(link_key_db);
162     hci_set_chipset(btstack_chipset_zephyr_instance());
163 
164     // inform about BTstack state
165     hci_event_callback_registration.callback = &packet_handler;
166     hci_add_event_handler(&hci_event_callback_registration);
167 
168     // handle CTRL-c
169     signal(SIGINT, sigint_handler);
170 
171     // setup app
172     btstack_main(argc, argv);
173 
174     // go
175     btstack_run_loop_execute();
176 
177     return 0;
178 }
179