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 #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 "btstack_debug.h" 55 #include "btstack_event.h" 56 #include "btstack_link_key_db_fs.h" 57 #include "btstack_memory.h" 58 #include "btstack_run_loop.h" 59 #include "btstack_run_loop_posix.h" 60 #include "hci.h" 61 #include "hci_dump.h" 62 #include "stdin_support.h" 63 64 #include "btstack_chipset_bcm.h" 65 #include "btstack_chipset_csr.h" 66 #include "btstack_chipset_cc256x.h" 67 #include "btstack_chipset_em9301.h" 68 #include "btstack_chipset_stlc2500d.h" 69 #include "btstack_chipset_tc3566x.h" 70 71 int is_bcm; 72 73 int btstack_main(int argc, const char * argv[]); 74 static void local_version_information_handler(uint8_t * packet); 75 76 static hci_transport_config_uart_t config = { 77 HCI_TRANSPORT_CONFIG_UART, 78 115200, 79 0, // main baudrate 80 1, // flow control 81 NULL, 82 }; 83 84 static btstack_packet_callback_registration_t hci_event_callback_registration; 85 86 static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ 87 if (packet_type != HCI_EVENT_PACKET) return; 88 switch (hci_event_packet_get_type(packet)){ 89 case BTSTACK_EVENT_STATE: 90 if (btstack_event_state_get_state(packet) != HCI_STATE_WORKING) break; 91 printf("BTstack up and running.\n"); 92 break; 93 case HCI_EVENT_COMMAND_COMPLETE: 94 if (HCI_EVENT_IS_COMMAND_COMPLETE(packet, hci_read_local_name)){ 95 if (hci_event_command_complete_get_return_parameters(packet)[0]) break; 96 // terminate, name 248 chars 97 packet[6+248] = 0; 98 printf("Local name: %s\n", &packet[6]); 99 if (is_bcm){ 100 btstack_chipset_bcm_set_device_name((const char *)&packet[6]); 101 } 102 } 103 if (HCI_EVENT_IS_COMMAND_COMPLETE(packet, hci_read_local_version_information)){ 104 local_version_information_handler(packet); 105 } 106 break; 107 default: 108 break; 109 } 110 } 111 112 static void sigint_handler(int param){ 113 UNUSED(param); 114 115 printf("CTRL-C - SIGINT received, shutting down..\n"); 116 log_info("sigint_handler: shutting down"); 117 118 // reset anyway 119 btstack_stdin_reset(); 120 121 // power down 122 hci_power_control(HCI_POWER_OFF); 123 hci_close(); 124 log_info("Good bye, see you.\n"); 125 exit(0); 126 } 127 128 static int led_state = 0; 129 void hal_led_toggle(void){ 130 led_state = 1 - led_state; 131 printf("LED State %u\n", led_state); 132 } 133 static void use_fast_uart(void){ 134 #if defined(HAVE_POSIX_B240000_MAPPED_TO_3000000) || defined(HAVE_POSIX_B600_MAPPED_TO_3000000) 135 printf("Using 3000000 baud.\n"); 136 config.baudrate_main = 3000000; 137 #elif defined(HAVE_POSIX_B1200_MAPPED_TO_2000000) || defined(HAVE_POSIX_B300_MAPPED_TO_2000000) 138 printf("Using 2000000 baud.\n"); 139 config.baudrate_main = 2000000; 140 #else 141 printf("Using 921600 baud.\n"); 142 config.baudrate_main = 921600; 143 #endif 144 } 145 146 static void local_version_information_handler(uint8_t * packet){ 147 printf("Local version information:\n"); 148 uint16_t hci_version = little_endian_read_16(packet, 4); 149 uint16_t hci_revision = little_endian_read_16(packet, 6); 150 uint16_t lmp_version = little_endian_read_16(packet, 8); 151 uint16_t manufacturer = little_endian_read_16(packet, 10); 152 uint16_t lmp_subversion = little_endian_read_16(packet, 12); 153 printf("- HCI Version 0x%04x\n", hci_version); 154 printf("- HCI Revision 0x%04x\n", hci_revision); 155 printf("- LMP Version 0x%04x\n", lmp_version); 156 printf("- LMP Subversion 0x%04x\n", lmp_subversion); 157 printf("- Manufacturer 0x%04x\n", manufacturer); 158 switch (manufacturer){ 159 case COMPANY_ID_CAMBRIDGE_SILICON_RADIO: 160 printf("Cambridge Silicon Radio - CSR chipset.\n"); 161 use_fast_uart(); 162 hci_set_chipset(btstack_chipset_csr_instance()); 163 break; 164 case COMPANY_ID_TEXAS_INSTRUMENTS_INC: 165 printf("Texas Instruments - CC256x compatible chipset.\n"); 166 if (lmp_subversion != btstack_chipset_cc256x_lmp_subversion()){ 167 printf("Error: LMP Subversion does not match initscript! "); 168 printf("Your initscripts is for %s chipset\n", btstack_chipset_cc256x_lmp_subversion() < lmp_subversion ? "an older" : "a newer"); 169 printf("Please update Makefile to include the appropriate bluetooth_init_cc256???.c file\n"); 170 exit(10); 171 } 172 use_fast_uart(); 173 hci_set_chipset(btstack_chipset_cc256x_instance()); 174 #ifdef ENABLE_EHCILL 175 printf("eHCILL enabled.\n"); 176 #else 177 printf("eHCILL disable.\n"); 178 #endif 179 180 break; 181 case COMPANY_ID_BROADCOM_CORPORATION: 182 printf("Broadcom - using BCM driver.\n"); 183 hci_set_chipset(btstack_chipset_bcm_instance()); 184 185 use_fast_uart(); 186 is_bcm = 1; 187 break; 188 case COMPANY_ID_ST_MICROELECTRONICS: 189 printf("ST Microelectronics - using STLC2500d driver.\n"); 190 use_fast_uart(); 191 hci_set_chipset(btstack_chipset_stlc2500d_instance()); 192 break; 193 case COMPANY_ID_EM_MICROELECTRONICS_MARIN: 194 printf("EM Microelectronics - using EM9301 driver.\n"); 195 hci_set_chipset(btstack_chipset_em9301_instance()); 196 break; 197 case COMPANY_ID_NORDIC_SEMICONDUCTOR_ASA: 198 printf("Nordic Semiconductor nRF5 chipset.\n"); 199 break; 200 default: 201 printf("Unknown manufacturer / manufacturer not supported yet.\n"); 202 break; 203 } 204 } 205 206 int main(int argc, const char * argv[]){ 207 208 /// GET STARTED with BTstack /// 209 btstack_memory_init(); 210 btstack_run_loop_init(btstack_run_loop_posix_get_instance()); 211 212 // use logger: format HCI_DUMP_PACKETLOGGER, HCI_DUMP_BLUEZ or HCI_DUMP_STDOUT 213 hci_dump_open("/tmp/hci_dump.pklg", HCI_DUMP_PACKETLOGGER); 214 215 // pick serial port 216 // config.device_name = "/dev/tty.usbserial-A900K2WS"; // DFROBOT 217 config.device_name = "/dev/tty.usbserial-A50285BI"; // BOOST-CC2564MODA New 218 // config.device_name = "/dev/tty.usbserial-A9OVNX5P"; // RedBear IoT pHAT breakout board 219 220 // init HCI 221 const btstack_uart_block_t * uart_driver = btstack_uart_block_posix_instance(); 222 const hci_transport_t * transport = hci_transport_h4_instance(uart_driver); 223 const btstack_link_key_db_t * link_key_db = btstack_link_key_db_fs_instance(); 224 hci_init(transport, (void*) &config); 225 hci_set_link_key_db(link_key_db); 226 227 // inform about BTstack state 228 hci_event_callback_registration.callback = &packet_handler; 229 hci_add_event_handler(&hci_event_callback_registration); 230 231 // handle CTRL-c 232 signal(SIGINT, sigint_handler); 233 234 // setup app 235 btstack_main(argc, argv); 236 237 // go 238 btstack_run_loop_execute(); 239 240 return 0; 241 } 242