xref: /btstack/port/posix-h4/main.c (revision f9f2075ceac5e9dc08e9abea437e43d733a3a0ea)
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_event.h"
54 #include "btstack_link_key_db_fs.h"
55 #include "btstack_memory.h"
56 #include "btstack_run_loop.h"
57 #include "btstack_run_loop_posix.h"
58 #include "hci.h"
59 #include "hci_dump.h"
60 #include "stdin_support.h"
61 
62 #include "btstack_chipset_bcm.h"
63 #include "btstack_chipset_csr.h"
64 #include "btstack_chipset_cc256x.h"
65 #include "btstack_chipset_em9301.h"
66 #include "btstack_chipset_stlc2500d.h"
67 #include "btstack_chipset_tc3566x.h"
68 
69 int is_bcm;
70 
71 int btstack_main(int argc, const char * argv[]);
72 static void local_version_information_handler(uint8_t * packet);
73 
74 static hci_transport_config_uart_t config = {
75     HCI_TRANSPORT_CONFIG_UART,
76     115200,
77     0,  // main baudrate
78     1,  // flow control
79     NULL,
80 };
81 
82 static btstack_packet_callback_registration_t hci_event_callback_registration;
83 
84 static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
85     if (packet_type != HCI_EVENT_PACKET) return;
86     switch (hci_event_packet_get_type(packet)){
87         case BTSTACK_EVENT_STATE:
88             if (btstack_event_state_get_state(packet) != HCI_STATE_WORKING) break;
89             printf("BTstack up and running.\n");
90             break;
91         case HCI_EVENT_COMMAND_COMPLETE:
92             if (HCI_EVENT_IS_COMMAND_COMPLETE(packet, hci_read_local_name)){
93                 if (hci_event_command_complete_get_return_parameters(packet)[0]) break;
94                 // terminate, name 248 chars
95                 packet[6+248] = 0;
96                 printf("Local name: %s\n", &packet[6]);
97                 if (is_bcm){
98                     btstack_chipset_bcm_set_device_name((const char *)&packet[6]);
99                 }
100             }
101             if (HCI_EVENT_IS_COMMAND_COMPLETE(packet, hci_read_local_version_information)){
102                 local_version_information_handler(packet);
103             }
104             break;
105         default:
106             break;
107     }
108 }
109 
110 static void sigint_handler(int param){
111     UNUSED(param);
112 
113     printf("CTRL-C - SIGINT received, shutting down..\n");
114     log_info("sigint_handler: shutting down");
115 
116     // reset anyway
117     btstack_stdin_reset();
118 
119     // power down
120     hci_power_control(HCI_POWER_OFF);
121     hci_close();
122     log_info("Good bye, see you.\n");
123     exit(0);
124 }
125 
126 static int led_state = 0;
127 void hal_led_toggle(void){
128     led_state = 1 - led_state;
129     printf("LED State %u\n", led_state);
130 }
131 static void use_fast_uart(void){
132 #if defined(HAVE_POSIX_B240000_MAPPED_TO_3000000) || defined(HAVE_POSIX_B600_MAPPED_TO_3000000)
133     printf("Using 3000000 baud.\n");
134     config.baudrate_main = 3000000;
135 #elif defined(HAVE_POSIX_B1200_MAPPED_TO_2000000) || defined(HAVE_POSIX_B300_MAPPED_TO_2000000)
136     printf("Using 2000000 baud.\n");
137     config.baudrate_main = 2000000;
138 #else
139     printf("Using 921600 baud.\n");
140     config.baudrate_main = 921600;
141 #endif
142 }
143 
144 static void local_version_information_handler(uint8_t * packet){
145     printf("Local version information:\n");
146     uint16_t hci_version    = little_endian_read_16(packet, 4);
147     uint16_t hci_revision   = little_endian_read_16(packet, 6);
148     uint16_t lmp_version    = little_endian_read_16(packet, 8);
149     uint16_t manufacturer   = little_endian_read_16(packet, 10);
150     uint16_t lmp_subversion = little_endian_read_16(packet, 12);
151     printf("- HCI Version    0x%04x\n", hci_version);
152     printf("- HCI Revision   0x%04x\n", hci_revision);
153     printf("- LMP Version    0x%04x\n", lmp_version);
154     printf("- LMP Subversion 0x%04x\n", lmp_subversion);
155     printf("- Manufacturer 0x%04x\n", manufacturer);
156     switch (manufacturer){
157         case COMPANY_ID_CAMBRIDGE_SILICON_RADIO:
158             printf("Cambridge Silicon Radio - CSR chipset.\n");
159             use_fast_uart();
160             hci_set_chipset(btstack_chipset_csr_instance());
161             break;
162         case COMPANY_ID_TEXAS_INSTRUMENTS_INC:
163             printf("Texas Instruments - CC256x compatible chipset.\n");
164             if (lmp_subversion != btstack_chipset_cc256x_lmp_subversion()){
165                 printf("Error: LMP Subversion does not match initscript! ");
166                 printf("Your initscripts is for %s chipset\n", btstack_chipset_cc256x_lmp_subversion() < lmp_subversion ? "an older" : "a newer");
167                 printf("Please update Makefile to include the appropriate bluetooth_init_cc256???.c file\n");
168                 exit(10);
169             }
170             use_fast_uart();
171             hci_set_chipset(btstack_chipset_cc256x_instance());
172 #ifdef ENABLE_EHCILL
173             printf("eHCILL enabled.\n");
174 #else
175             printf("eHCILL disable.\n");
176 #endif
177 
178             break;
179         case COMPANY_ID_BROADCOM_CORPORATION:
180             printf("Broadcom - using BCM driver.\n");
181             hci_set_chipset(btstack_chipset_bcm_instance());
182 
183             use_fast_uart();
184             is_bcm = 1;
185             break;
186         case COMPANY_ID_ST_MICROELECTRONICS:
187             printf("ST Microelectronics - using STLC2500d driver.\n");
188             use_fast_uart();
189             hci_set_chipset(btstack_chipset_stlc2500d_instance());
190             break;
191         case COMPANY_ID_EM_MICROELECTRONICS_MARIN:
192             printf("EM Microelectronics - using EM9301 driver.\n");
193             hci_set_chipset(btstack_chipset_em9301_instance());
194             break;
195         case COMPANY_ID_NORDIC_SEMICONDUCTOR_ASA:
196             printf("Nordic Semiconductor nRF5 chipset.\n");
197             break;
198         default:
199             printf("Unknown manufacturer / manufacturer not supported yet.\n");
200             break;
201     }
202 }
203 
204 int main(int argc, const char * argv[]){
205 
206 	/// GET STARTED with BTstack ///
207 	btstack_memory_init();
208     btstack_run_loop_init(btstack_run_loop_posix_get_instance());
209 
210     // use logger: format HCI_DUMP_PACKETLOGGER, HCI_DUMP_BLUEZ or HCI_DUMP_STDOUT
211     hci_dump_open("/tmp/hci_dump.pklg", HCI_DUMP_PACKETLOGGER);
212 
213     // pick serial port
214     // config.device_name = "/dev/tty.usbserial-A900K2WS"; // DFROBOT
215     config.device_name = "/dev/tty.usbserial-A50285BI"; // BOOST-CC2564MODA New
216     // config.device_name = "/dev/tty.usbserial-A9OVNX5P"; // RedBear IoT pHAT breakout board
217 
218     // init HCI
219     const btstack_uart_block_t * uart_driver = btstack_uart_block_posix_instance();
220 	const hci_transport_t * transport = hci_transport_h4_instance(uart_driver);
221     const btstack_link_key_db_t * link_key_db = btstack_link_key_db_fs_instance();
222 	hci_init(transport, (void*) &config);
223     hci_set_link_key_db(link_key_db);
224 
225     // inform about BTstack state
226     hci_event_callback_registration.callback = &packet_handler;
227     hci_add_event_handler(&hci_event_callback_registration);
228 
229     // handle CTRL-c
230     signal(SIGINT, sigint_handler);
231 
232     // setup app
233     btstack_main(argc, argv);
234 
235     // go
236     btstack_run_loop_execute();
237 
238     return 0;
239 }
240