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 (!COMMAND_COMPLETE_EVENT(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