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 packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ 81 if (packet_type != HCI_EVENT_PACKET) return; 82 if (hci_event_packet_get_type(packet) != BTSTACK_EVENT_STATE) return; 83 if (btstack_event_state_get_state(packet) != HCI_STATE_WORKING) return; 84 printf("BTstack up and running.\n"); 85 } 86 87 static void sigint_handler(int param){ 88 89 #ifndef _WIN32 90 // reset anyway 91 btstack_stdin_reset(); 92 #endif 93 94 log_info(" <= SIGINT received, shutting down..\n"); 95 hci_power_control(HCI_POWER_OFF); 96 hci_close(); 97 log_info("Good bye, see you.\n"); 98 exit(0); 99 } 100 101 static int led_state = 0; 102 void hal_led_toggle(void){ 103 led_state = 1 - led_state; 104 printf("LED State %u\n", led_state); 105 } 106 static void use_fast_uart(void){ 107 #if defined(HAVE_POSIX_B240000_MAPPED_TO_3000000) || defined(HAVE_POSIX_B600_MAPPED_TO_3000000) 108 printf("Using 3000000 baud.\n"); 109 config.baudrate_main = 3000000; 110 #elif defined(HAVE_POSIX_B1200_MAPPED_TO_2000000) || defined(HAVE_POSIX_B300_MAPPED_TO_2000000) 111 printf("Using 2000000 baud.\n"); 112 config.baudrate_main = 2000000; 113 #else 114 printf("Using 921600 baud.\n"); 115 config.baudrate_main = 921600; 116 #endif 117 } 118 119 static void local_version_information_callback(uint8_t * packet){ 120 printf("Local version information:\n"); 121 uint16_t hci_version = little_endian_read_16(packet, 4); 122 uint16_t hci_revision = little_endian_read_16(packet, 6); 123 uint16_t lmp_version = little_endian_read_16(packet, 8); 124 uint16_t manufacturer = little_endian_read_16(packet, 10); 125 uint16_t lmp_subversion = little_endian_read_16(packet, 12); 126 printf("- HCI Version 0x%04x\n", hci_version); 127 printf("- HCI Revision 0x%04x\n", hci_revision); 128 printf("- LMP Version 0x%04x\n", lmp_version); 129 printf("- LMP Revision 0x%04x\n", lmp_subversion); 130 printf("- Manufacturer 0x%04x\n", manufacturer); 131 switch (manufacturer){ 132 case COMPANY_ID_CAMBRIDGE_SILICON_RADIO: 133 printf("Cambridge Silicon Radio CSR chipset.\n"); 134 use_fast_uart(); 135 hci_set_chipset(btstack_chipset_csr_instance()); 136 break; 137 case COMPANY_ID_TEXAS_INSTRUMENTS_INC: 138 printf("Texas Instruments - CC256x compatible chipset.\n"); 139 use_fast_uart(); 140 hci_set_chipset(btstack_chipset_cc256x_instance()); 141 break; 142 case COMPANY_ID_BROADCOM_CORPORATION: 143 printf("Broadcom chipset. Not supported yet\n"); 144 // hci_set_chipset(btstack_chipset_bcm_instance()); 145 break; 146 case COMPANY_ID_ST_MICROELECTRONICS: 147 printf("ST Microelectronics - using STLC2500d driver.\n"); 148 use_fast_uart(); 149 hci_set_chipset(btstack_chipset_stlc2500d_instance()); 150 break; 151 case COMPANY_ID_EM_MICROELECTRONICS_MARIN: 152 printf("EM Microelectronics - using EM9301 driver.\n"); 153 hci_set_chipset(btstack_chipset_em9301_instance()); 154 break; 155 default: 156 printf("Unknown manufacturer / manufacturer not supported yet.\n"); 157 break; 158 } 159 } 160 161 int main(int argc, const char * argv[]){ 162 163 /// GET STARTED with BTstack /// 164 btstack_memory_init(); 165 btstack_run_loop_init(btstack_run_loop_posix_get_instance()); 166 167 // use logger: format HCI_DUMP_PACKETLOGGER, HCI_DUMP_BLUEZ or HCI_DUMP_STDOUT 168 hci_dump_open("/tmp/hci_dump.pklg", HCI_DUMP_PACKETLOGGER); 169 170 // pick serial port 171 config.device_name = "/dev/tty.usbserial-A900K0VK"; 172 173 // init HCI 174 const hci_transport_t * transport = hci_transport_h4_instance(); 175 const btstack_link_key_db_t * link_key_db = btstack_link_key_db_fs_instance(); 176 hci_init(transport, (void*) &config); 177 hci_set_link_key_db(link_key_db); 178 179 // inform about BTstack state 180 hci_event_callback_registration.callback = &packet_handler; 181 hci_add_event_handler(&hci_event_callback_registration); 182 183 // setup dynamic chipset driver setup 184 hci_set_local_version_information_callback(&local_version_information_callback); 185 186 // handle CTRL-c 187 signal(SIGINT, sigint_handler); 188 189 // setup app 190 btstack_main(argc, argv); 191 192 // go 193 btstack_run_loop_execute(); 194 195 return 0; 196 } 197