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 BLUEKITCHEN
24 * GMBH 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 "bluetooth_company_id.h"
55 #include "ble/le_device_db_tlv.h"
56 #include "btstack_chipset_bcm.h"
57 #include "btstack_chipset_bcm_download_firmware.h"
58 #include "btstack_debug.h"
59 #include "btstack_event.h"
60 #include "btstack_memory.h"
61 #include "btstack_run_loop.h"
62 #include "btstack_run_loop_posix.h"
63 #include "btstack_stdin.h"
64 #include "btstack_uart.h"
65 #include "btstack_tlv_posix.h"
66 #include "classic/btstack_link_key_db_tlv.h"
67 #include "hci.h"
68 #include "hci_dump.h"
69
70
71 int btstack_main(int argc, const char * argv[]);
72
73 #define TLV_DB_PATH_PREFIX "/tmp/btstack_"
74 #define TLV_DB_PATH_POSTFIX ".tlv"
75 static char tlv_db_path[100];
76 static const btstack_tlv_t * tlv_impl;
77 static btstack_tlv_posix_t tlv_context;
78
79 static hci_transport_config_uart_t transport_config = {
80 HCI_TRANSPORT_CONFIG_UART,
81 115200,
82 921600, // main baudrate
83 0, // flow control
84 NULL,
85 BTSTACK_UART_PARITY_EVEN, // parity
86 };
87 static btstack_uart_config_t uart_config;
88
89 static int main_argc;
90 static const char ** main_argv;
91
92 static btstack_packet_callback_registration_t hci_event_callback_registration;
93
sigint_handler(int param)94 static void sigint_handler(int param){
95 UNUSED(param);
96
97 printf("CTRL-C - SIGINT received, shutting down..\n");
98 log_info("sigint_handler: shutting down");
99
100 // reset anyway
101 btstack_stdin_reset();
102
103 // power down
104 hci_power_control(HCI_POWER_OFF);
105 hci_close();
106 log_info("Good bye, see you.\n");
107 exit(0);
108 }
109
110 static int led_state = 0;
hal_led_toggle(void)111 void hal_led_toggle(void){
112 led_state = 1 - led_state;
113 printf("LED State %u\n", led_state);
114 }
115
packet_handler(uint8_t packet_type,uint16_t channel,uint8_t * packet,uint16_t size)116 static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
117 bd_addr_t addr;
118 if (packet_type != HCI_EVENT_PACKET) return;
119 switch (hci_event_packet_get_type(packet)){
120 case BTSTACK_EVENT_STATE:
121 if (btstack_event_state_get_state(packet) != HCI_STATE_WORKING) break;
122 gap_local_bd_addr(addr);
123 printf("BTstack up and running at %s\n", bd_addr_to_str(addr));
124 // setup TLV
125 btstack_strcpy(tlv_db_path, sizeof(tlv_db_path), TLV_DB_PATH_PREFIX);
126 btstack_strcat(tlv_db_path, sizeof(tlv_db_path), bd_addr_to_str(addr));
127 btstack_strcat(tlv_db_path, sizeof(tlv_db_path), TLV_DB_PATH_POSTFIX);
128 tlv_impl = btstack_tlv_posix_init_instance(&tlv_context, tlv_db_path);
129 btstack_tlv_set_instance(tlv_impl, &tlv_context);
130 #ifdef ENABLE_CLASSIC
131 hci_set_link_key_db(btstack_link_key_db_tlv_get_instance(tlv_impl, &tlv_context));
132 #endif
133 #ifdef ENABLE_BLE
134 le_device_db_tlv_configure(tlv_impl, &tlv_context);
135 #endif
136 break;
137 default:
138 break;
139 }
140 }
141
142 static void phase2(int status);
main(int argc,const char * argv[])143 int main(int argc, const char * argv[]){
144
145 /// GET STARTED with BTstack ///
146 btstack_memory_init();
147
148 // use logger: format HCI_DUMP_PACKETLOGGER, HCI_DUMP_BLUEZ or HCI_DUMP_STDOUT
149 const char * pklg_path = "/tmp/hci_dump.pklg";
150 // hci_dump_open(pklg_path, HCI_DUMP_PACKETLOGGER);
151 printf("Packet Log: %s\n", pklg_path);
152
153 // setup run loop
154 btstack_run_loop_init(btstack_run_loop_posix_get_instance());
155
156 // pick serial port and configure uart block driver
157 transport_config.device_name = "/dev/tty.usbserial-A9OVNX5P"; // RedBear IoT pHAT breakout board
158
159 // get BCM chipset driver
160 const btstack_chipset_t * chipset = btstack_chipset_bcm_instance();
161 chipset->init(&transport_config);
162
163 // set chipset name
164 btstack_chipset_bcm_set_device_name("BCM43430A1");
165
166 // setup UART driver
167 const btstack_uart_t * uart_driver = (const btstack_uart_t *) btstack_uart_posix_instance();
168
169 // extract UART config from transport config
170 uart_config.baudrate = transport_config.baudrate_init;
171 uart_config.flowcontrol = transport_config.flowcontrol;
172 uart_config.device_name = transport_config.device_name;
173 uart_driver->init(&uart_config);
174
175
176 // setup HCI (to be able to use bcm chipset driver)
177 // init HCI
178 const hci_transport_t * transport = hci_transport_h5_instance(uart_driver);
179 hci_init(transport, (void*) &transport_config);
180 hci_set_chipset(btstack_chipset_bcm_instance());
181
182 // inform about BTstack state
183 hci_event_callback_registration.callback = &packet_handler;
184 hci_add_event_handler(&hci_event_callback_registration);
185
186 // handle CTRL-c
187 signal(SIGINT, sigint_handler);
188
189 main_argc = argc;
190 main_argv = argv;
191
192 // phase #1 download firmware
193 printf("Phase 1: Download firmware\n");
194
195 // phase #2 start main app
196 btstack_chipset_bcm_download_firmware_with_uart(uart_driver, transport_config.baudrate_main, &phase2);
197
198 // go
199 btstack_run_loop_execute();
200 return 0;
201 }
202
phase2(int status)203 static void phase2(int status){
204
205 if (status){
206 printf("Download firmware failed\n");
207 return;
208 }
209
210 printf("Phase 2: Main app\n");
211
212 // setup app
213 btstack_main(main_argc, main_argv);
214 }
215
216