xref: /btstack/port/posix-h4/main.c (revision 7dc86dfd3569d69491d87d64749fd45afb46c67a)
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 
65 #include "btstack_chipset_bcm.h"
66 #include "btstack_chipset_csr.h"
67 #include "btstack_chipset_cc256x.h"
68 #include "btstack_chipset_em9301.h"
69 #include "btstack_chipset_stlc2500d.h"
70 #include "btstack_chipset_tc3566x.h"
71 
72 int is_bcm;
73 
74 int btstack_main(int argc, const char * argv[]);
75 static void local_version_information_handler(uint8_t * packet);
76 
77 static hci_transport_config_uart_t config = {
78     HCI_TRANSPORT_CONFIG_UART,
79     115200,
80     0,  // main baudrate
81     1,  // flow control
82     NULL,
83 };
84 
85 static btstack_packet_callback_registration_t hci_event_callback_registration;
86 
87 static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
88     bd_addr_t addr;
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             gap_local_bd_addr(addr);
94             printf("BTstack up and running at %s\n",  bd_addr_to_str(addr));
95             break;
96         case HCI_EVENT_COMMAND_COMPLETE:
97             if (HCI_EVENT_IS_COMMAND_COMPLETE(packet, hci_read_local_name)){
98                 if (hci_event_command_complete_get_return_parameters(packet)[0]) break;
99                 // terminate, name 248 chars
100                 packet[6+248] = 0;
101                 printf("Local name: %s\n", &packet[6]);
102                 if (is_bcm){
103                     btstack_chipset_bcm_set_device_name((const char *)&packet[6]);
104                 }
105             }
106             if (HCI_EVENT_IS_COMMAND_COMPLETE(packet, hci_read_local_version_information)){
107                 local_version_information_handler(packet);
108             }
109             break;
110         default:
111             break;
112     }
113 }
114 
115 static void sigint_handler(int param){
116     UNUSED(param);
117 
118     printf("CTRL-C - SIGINT received, shutting down..\n");
119     log_info("sigint_handler: shutting down");
120 
121     // reset anyway
122     btstack_stdin_reset();
123 
124     // power down
125     hci_power_control(HCI_POWER_OFF);
126     hci_close();
127     log_info("Good bye, see you.\n");
128     exit(0);
129 }
130 
131 static int led_state = 0;
132 void hal_led_toggle(void){
133     led_state = 1 - led_state;
134     printf("LED State %u\n", led_state);
135 }
136 static void use_fast_uart(void){
137 #if defined(HAVE_POSIX_B240000_MAPPED_TO_3000000) || defined(HAVE_POSIX_B600_MAPPED_TO_3000000)
138     printf("Using 3000000 baud.\n");
139     config.baudrate_main = 3000000;
140 #elif defined(HAVE_POSIX_B1200_MAPPED_TO_2000000) || defined(HAVE_POSIX_B300_MAPPED_TO_2000000)
141     printf("Using 2000000 baud.\n");
142     config.baudrate_main = 2000000;
143 #else
144     printf("Using 921600 baud.\n");
145     config.baudrate_main = 921600;
146 #endif
147 }
148 
149 static void local_version_information_handler(uint8_t * packet){
150     printf("Local version information:\n");
151     uint16_t hci_version    = packet[6];
152     uint16_t hci_revision   = little_endian_read_16(packet, 7);
153     uint16_t lmp_version    = packet[9];
154     uint16_t manufacturer   = little_endian_read_16(packet, 10);
155     uint16_t lmp_subversion = little_endian_read_16(packet, 12);
156     printf("- HCI Version    0x%04x\n", hci_version);
157     printf("- HCI Revision   0x%04x\n", hci_revision);
158     printf("- LMP Version    0x%04x\n", lmp_version);
159     printf("- LMP Subversion 0x%04x\n", lmp_subversion);
160     printf("- Manufacturer 0x%04x\n", manufacturer);
161     switch (manufacturer){
162         case BLUETOOTH_COMPANY_ID_CAMBRIDGE_SILICON_RADIO:
163             printf("Cambridge Silicon Radio - CSR chipset.\n");
164             use_fast_uart();
165             hci_set_chipset(btstack_chipset_csr_instance());
166             break;
167         case BLUETOOTH_COMPANY_ID_TEXAS_INSTRUMENTS_INC:
168             printf("Texas Instruments - CC256x compatible chipset.\n");
169             if (lmp_subversion != btstack_chipset_cc256x_lmp_subversion()){
170                 printf("Error: LMP Subversion does not match initscript! ");
171                 printf("Your initscripts is for %s chipset\n", btstack_chipset_cc256x_lmp_subversion() < lmp_subversion ? "an older" : "a newer");
172                 printf("Please update Makefile to include the appropriate bluetooth_init_cc256???.c file\n");
173                 exit(10);
174             }
175             use_fast_uart();
176             hci_set_chipset(btstack_chipset_cc256x_instance());
177 #ifdef ENABLE_EHCILL
178             printf("eHCILL enabled.\n");
179 #else
180             printf("eHCILL disable.\n");
181 #endif
182 
183             break;
184         case BLUETOOTH_COMPANY_ID_BROADCOM_CORPORATION:
185             printf("Broadcom - using BCM driver.\n");
186             hci_set_chipset(btstack_chipset_bcm_instance());
187 
188             use_fast_uart();
189             is_bcm = 1;
190             break;
191         case BLUETOOTH_COMPANY_ID_ST_MICROELECTRONICS:
192             printf("ST Microelectronics - using STLC2500d driver.\n");
193             use_fast_uart();
194             hci_set_chipset(btstack_chipset_stlc2500d_instance());
195             break;
196         case BLUETOOTH_COMPANY_ID_EM_MICROELECTRONIC_MARIN_SA:
197             printf("EM Microelectronics - using EM9301 driver.\n");
198             hci_set_chipset(btstack_chipset_em9301_instance());
199             break;
200         case BLUETOOTH_COMPANY_ID_NORDIC_SEMICONDUCTOR_ASA:
201             printf("Nordic Semiconductor nRF5 chipset.\n");
202             break;
203         default:
204             printf("Unknown manufacturer / manufacturer not supported yet.\n");
205             break;
206     }
207 }
208 
209 int main(int argc, const char * argv[]){
210 
211 	/// GET STARTED with BTstack ///
212 	btstack_memory_init();
213     btstack_run_loop_init(btstack_run_loop_posix_get_instance());
214 
215     // use logger: format HCI_DUMP_PACKETLOGGER, HCI_DUMP_BLUEZ or HCI_DUMP_STDOUT
216     hci_dump_open("/tmp/hci_dump.pklg", HCI_DUMP_PACKETLOGGER);
217 
218     // pick serial port
219     // config.device_name = "/dev/tty.usbserial-A900K2WS"; // DFROBOT
220     // config.device_name = "/dev/tty.usbserial-A50285BI"; // BOOST-CC2564MODA New
221     // config.device_name = "/dev/tty.usbserial-A9OVNX5P"; // RedBear IoT pHAT breakout board
222     config.device_name = "/dev/tty.usbserial-A900K0VK"; // CSR8811 breakout board
223 
224     // accept path from command line
225     if (argc >= 3 && strcmp(argv[1], "-u") == 0){
226         config.device_name = argv[2];
227         argc -= 2;
228         memmove(&argv[0], &argv[2], argc * sizeof(char *));
229     }
230     printf("H4 device: %s\n", config.device_name);
231 
232     // init HCI
233     const btstack_uart_block_t * uart_driver = btstack_uart_block_posix_instance();
234 	const hci_transport_t * transport = hci_transport_h4_instance(uart_driver);
235     const btstack_link_key_db_t * link_key_db = btstack_link_key_db_fs_instance();
236 	hci_init(transport, (void*) &config);
237     hci_set_link_key_db(link_key_db);
238 
239     // set BD_ADDR for CSR without Flash/unique address
240     // bd_addr_t own_address = { 0x11, 0x22, 0x33, 0x44, 0x55, 0x66};
241     // btstack_chipset_csr_set_bd_addr(own_address);
242 
243     // inform about BTstack state
244     hci_event_callback_registration.callback = &packet_handler;
245     hci_add_event_handler(&hci_event_callback_registration);
246 
247     // handle CTRL-c
248     signal(SIGINT, sigint_handler);
249 
250     // setup app
251     btstack_main(argc, argv);
252 
253     // go
254     btstack_run_loop_execute();
255 
256     return 0;
257 }
258