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 btstack_main(int argc, const char * argv[]); 70 71 static hci_transport_config_uart_t config = { 72 HCI_TRANSPORT_CONFIG_UART, 73 115200, 74 0, // main baudrate 75 1, // flow control 76 NULL, 77 }; 78 79 static btstack_packet_callback_registration_t hci_event_callback_registration; 80 81 static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ 82 if (packet_type != HCI_EVENT_PACKET) return; 83 if (hci_event_packet_get_type(packet) != BTSTACK_EVENT_STATE) return; 84 if (btstack_event_state_get_state(packet) != HCI_STATE_WORKING) return; 85 printf("BTstack up and running.\n"); 86 } 87 88 static void sigint_handler(int param){ 89 90 #ifndef _WIN32 91 // reset anyway 92 btstack_stdin_reset(); 93 #endif 94 95 log_info(" <= SIGINT received, shutting down..\n"); 96 hci_power_control(HCI_POWER_OFF); 97 hci_close(); 98 log_info("Good bye, see you.\n"); 99 exit(0); 100 } 101 102 static int led_state = 0; 103 void hal_led_toggle(void){ 104 led_state = 1 - led_state; 105 printf("LED State %u\n", led_state); 106 } 107 static void use_fast_uart(void){ 108 #if defined(HAVE_POSIX_B240000_MAPPED_TO_3000000) || defined(HAVE_POSIX_B600_MAPPED_TO_3000000) 109 printf("Using 3000000 baud.\n"); 110 config.baudrate_main = 3000000; 111 #elif defined(HAVE_POSIX_B1200_MAPPED_TO_2000000) || defined(HAVE_POSIX_B300_MAPPED_TO_2000000) 112 printf("Using 2000000 baud.\n"); 113 config.baudrate_main = 2000000; 114 #else 115 printf("Using 921600 baud.\n"); 116 config.baudrate_main = 921600; 117 #endif 118 } 119 120 static void local_version_information_callback(uint8_t * packet){ 121 printf("Local version information:\n"); 122 uint16_t hci_version = little_endian_read_16(packet, 4); 123 uint16_t hci_revision = little_endian_read_16(packet, 6); 124 uint16_t lmp_version = little_endian_read_16(packet, 8); 125 uint16_t manufacturer = little_endian_read_16(packet, 10); 126 uint16_t lmp_subversion = little_endian_read_16(packet, 12); 127 printf("- HCI Version 0x%04x\n", hci_version); 128 printf("- HCI Revision 0x%04x\n", hci_revision); 129 printf("- LMP Version 0x%04x\n", lmp_version); 130 printf("- LMP Revision 0x%04x\n", lmp_subversion); 131 printf("- Manufacturer 0x%04x\n", manufacturer); 132 switch (manufacturer){ 133 case COMPANY_ID_CAMBRIDGE_SILICON_RADIO: 134 printf("Cambridge Silicon Radio CSR chipset.\n"); 135 use_fast_uart(); 136 hci_set_chipset(btstack_chipset_csr_instance()); 137 break; 138 case COMPANY_ID_TEXAS_INSTRUMENTS_INC: 139 printf("Texas Instruments - CC256x compatible chipset.\n"); 140 use_fast_uart(); 141 hci_set_chipset(btstack_chipset_cc256x_instance()); 142 #ifdef ENABLE_EHCILL 143 printf("eHCILL enabled.\n"); 144 #else 145 printf("eHCILL disable.\n"); 146 #endif 147 break; 148 case COMPANY_ID_BROADCOM_CORPORATION: 149 printf("Broadcom chipset. Not supported yet\n"); 150 // hci_set_chipset(btstack_chipset_bcm_instance()); 151 break; 152 case COMPANY_ID_ST_MICROELECTRONICS: 153 printf("ST Microelectronics - using STLC2500d driver.\n"); 154 use_fast_uart(); 155 hci_set_chipset(btstack_chipset_stlc2500d_instance()); 156 break; 157 case COMPANY_ID_EM_MICROELECTRONICS_MARIN: 158 printf("EM Microelectronics - using EM9301 driver.\n"); 159 hci_set_chipset(btstack_chipset_em9301_instance()); 160 break; 161 default: 162 printf("Unknown manufacturer / manufacturer not supported yet.\n"); 163 break; 164 } 165 } 166 167 int main(int argc, const char * argv[]){ 168 169 /// GET STARTED with BTstack /// 170 btstack_memory_init(); 171 btstack_run_loop_init(btstack_run_loop_posix_get_instance()); 172 173 // use logger: format HCI_DUMP_PACKETLOGGER, HCI_DUMP_BLUEZ or HCI_DUMP_STDOUT 174 hci_dump_open("/tmp/hci_dump.pklg", HCI_DUMP_PACKETLOGGER); 175 176 // pick serial port 177 config.device_name = "/dev/tty.usbserial-A900K0VK"; 178 179 // init HCI 180 const btstack_uart_block_t * uart_driver = btstack_uart_block_posix_instance(); 181 const hci_transport_t * transport = hci_transport_h4_instance(uart_driver); 182 const btstack_link_key_db_t * link_key_db = btstack_link_key_db_fs_instance(); 183 hci_init(transport, (void*) &config); 184 hci_set_link_key_db(link_key_db); 185 186 // inform about BTstack state 187 hci_event_callback_registration.callback = &packet_handler; 188 hci_add_event_handler(&hci_event_callback_registration); 189 190 // setup dynamic chipset driver setup 191 hci_set_local_version_information_callback(&local_version_information_callback); 192 193 // handle CTRL-c 194 signal(SIGINT, sigint_handler); 195 196 // setup app 197 btstack_main(argc, argv); 198 199 // go 200 btstack_run_loop_execute(); 201 202 return 0; 203 } 204