xref: /btstack/port/posix-h4/main.c (revision 7cf4e7c503d012a7e36b7af217511651c6521f0b)
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 // *****************************************************************************
39 //
40 // minimal setup for HCI code
41 //
42 // *****************************************************************************
43 
44 #include <stdint.h>
45 #include <stdio.h>
46 #include <stdlib.h>
47 #include <string.h>
48 #include <signal.h>
49 
50 #include "btstack_config.h"
51 
52 #include "btstack_debug.h"
53 #include "btstack_link_key_db_fs.h"
54 #include "btstack_memory.h"
55 #include "btstack_run_loop.h"
56 #include "btstack_run_loop_posix.h"
57 #include "hci.h"
58 #include "hci_dump.h"
59 #include "stdin_support.h"
60 
61 #include "btstack_chipset_bcm.h"
62 #include "btstack_chipset_csr.h"
63 #include "btstack_chipset_cc256x.h"
64 #include "btstack_chipset_em9301.h"
65 #include "btstack_chipset_stlc2500d.h"
66 #include "btstack_chipset_tc3566x.h"
67 
68 int btstack_main(int argc, const char * argv[]);
69 
70 static hci_transport_config_uart_t config = {
71     HCI_TRANSPORT_CONFIG_UART,
72     115200,
73     0,  // main baudrate
74     1,  // flow control
75     NULL,
76 };
77 
78 static btstack_packet_callback_registration_t hci_event_callback_registration;
79 
80 static void sigint_handler(int param){
81 
82 #ifndef _WIN32
83     // reset anyway
84     btstack_stdin_reset();
85 #endif
86 
87     log_info(" <= SIGINT received, shutting down..\n");
88     hci_power_control(HCI_POWER_OFF);
89     hci_close();
90     log_info("Good bye, see you.\n");
91     exit(0);
92 }
93 
94 static int led_state = 0;
95 void hal_led_toggle(void){
96     led_state = 1 - led_state;
97     printf("LED State %u\n", led_state);
98 }
99 static void using_921600_baud(void){
100     printf("Using 921600 baud.\n");
101     config.baudrate_main = 921600;
102 }
103 
104 static void hci_event_handler(uint8_t packet_type, uint16_t channel, uint8_t * packet, uint16_t size){
105 
106     if (packet_type != HCI_EVENT_PACKET) return;
107     if (!HCI_EVENT_IS_COMMAND_COMPLETE(packet, hci_read_local_version_information)) return;
108 
109     printf("Local version information:\n");
110     uint16_t hci_version    = little_endian_read_16(packet, 4);
111     uint16_t hci_revision   = little_endian_read_16(packet, 6);
112     uint16_t lmp_version    = little_endian_read_16(packet, 8);
113     uint16_t manufacturer   = little_endian_read_16(packet, 10);
114     uint16_t lmp_subversion = little_endian_read_16(packet, 12);
115     printf("- HCI Version  0x%04x\n", hci_version);
116     printf("- HCI Revision 0x%04x\n", hci_revision);
117     printf("- LMP Version  0x%04x\n", lmp_version);
118     printf("- LMP Revision 0x%04x\n", lmp_subversion);
119     printf("- Manufacturer 0x%04x\n", manufacturer);
120     switch (manufacturer){
121         case COMPANY_ID_CAMBRIDGE_SILICON_RADIO:
122             printf("Cambridge Silicon Radio CSR chipset.\n");
123             using_921600_baud();
124             hci_set_chipset(btstack_chipset_csr_instance());
125             break;
126         case COMPANY_ID_TEXAS_INSTRUMENTS_INC:
127             printf("Texas Instruments - CC256x compatible chipset.\n");
128             using_921600_baud();
129             hci_set_chipset(btstack_chipset_cc256x_instance());
130             break;
131         case COMPANY_ID_BROADCOM_CORPORATION:
132             printf("Broadcom chipset. Not supported yet\n");
133             // hci_set_chipset(btstack_chipset_bcm_instance());
134             break;
135         case COMPANY_ID_ST_MICROELECTRONICS:
136             printf("ST Microelectronics - using STLC2500d driver.\n");
137             using_921600_baud();
138             hci_set_chipset(btstack_chipset_stlc2500d_instance());
139             break;
140         case COMPANY_ID_EM_MICROELECTRONICS_MARIN:
141             printf("EM Microelectronics - using EM9301 driver.\n");
142             hci_set_chipset(btstack_chipset_em9301_instance());
143             break;
144         default:
145             printf("Unknown manufacturer / manufacturer not supported yet.\n");
146             break;
147     }
148 }
149 
150 int main(int argc, const char * argv[]){
151 
152 	/// GET STARTED with BTstack ///
153 	btstack_memory_init();
154     btstack_run_loop_init(btstack_run_loop_posix_get_instance());
155 
156     // use logger: format HCI_DUMP_PACKETLOGGER, HCI_DUMP_BLUEZ or HCI_DUMP_STDOUT
157     hci_dump_open("/tmp/hci_dump.pklg", HCI_DUMP_PACKETLOGGER);
158 
159     // pick serial port
160     config.device_name = "/dev/tty.usbserial-A900K0VK";
161 
162     // init HCI
163 	const hci_transport_t * transport = hci_transport_h4_instance();
164     const btstack_link_key_db_t * link_key_db = btstack_link_key_db_fs_instance();
165 	hci_init(transport, (void*) &config);
166     hci_set_link_key_db(link_key_db);
167 
168     // register for HCI events
169     hci_event_callback_registration.callback = &hci_event_handler;
170     hci_add_event_handler(&hci_event_callback_registration);
171 
172     // handle CTRL-c
173     signal(SIGINT, sigint_handler);
174 
175     // setup app
176     btstack_main(argc, argv);
177 
178     // go
179     btstack_run_loop_execute();
180 
181     return 0;
182 }
183