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 72 static hci_transport_config_uart_t config = { 73 HCI_TRANSPORT_CONFIG_UART, 74 115200, 75 0, // main baudrate 76 1, // flow control 77 NULL, 78 }; 79 80 int is_bcm; 81 82 static btstack_packet_callback_registration_t hci_event_callback_registration; 83 static void local_version_information_handler(uint8_t * packet); 84 85 static void sigint_handler(int param){ 86 UNUSED(param); 87 88 printf("CTRL-C - SIGINT received, shutting down..\n"); 89 log_info("sigint_handler: shutting down"); 90 91 // reset anyway 92 btstack_stdin_reset(); 93 94 // power down 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 // printf("Using 921600 baud.\n"); 108 // config.baudrate_main = 921600; 109 } 110 111 static void local_version_information_handler(uint8_t * packet){ 112 printf("Local version information:\n"); 113 uint16_t hci_version = little_endian_read_16(packet, 4); 114 uint16_t hci_revision = little_endian_read_16(packet, 6); 115 uint16_t lmp_version = little_endian_read_16(packet, 8); 116 uint16_t manufacturer = little_endian_read_16(packet, 10); 117 uint16_t lmp_subversion = little_endian_read_16(packet, 12); 118 printf("- HCI Version 0x%04x\n", hci_version); 119 printf("- HCI Revision 0x%04x\n", hci_revision); 120 printf("- LMP Version 0x%04x\n", lmp_version); 121 printf("- LMP Revision 0x%04x\n", lmp_subversion); 122 printf("- Manufacturer 0x%04x\n", manufacturer); 123 switch (manufacturer){ 124 case COMPANY_ID_CAMBRIDGE_SILICON_RADIO: 125 printf("Cambridge Silicon Radio CSR chipset.\n"); 126 use_fast_uart(); 127 hci_set_chipset(btstack_chipset_csr_instance()); 128 break; 129 case COMPANY_ID_TEXAS_INSTRUMENTS_INC: 130 printf("Texas Instruments - CC256x compatible chipset.\n"); 131 use_fast_uart(); 132 hci_set_chipset(btstack_chipset_cc256x_instance()); 133 break; 134 case COMPANY_ID_BROADCOM_CORPORATION: 135 printf("Broadcom chipset. Not supported yet\n"); 136 // hci_set_chipset(btstack_chipset_bcm_instance()); 137 break; 138 case COMPANY_ID_ST_MICROELECTRONICS: 139 printf("ST Microelectronics - using STLC2500d driver.\n"); 140 use_fast_uart(); 141 hci_set_chipset(btstack_chipset_stlc2500d_instance()); 142 break; 143 case COMPANY_ID_EM_MICROELECTRONICS_MARIN: 144 printf("EM Microelectronics - using EM9301 driver.\n"); 145 hci_set_chipset(btstack_chipset_em9301_instance()); 146 break; 147 default: 148 printf("Unknown manufacturer / manufacturer not supported yet.\n"); 149 break; 150 } 151 } 152 153 static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ 154 if (packet_type != HCI_EVENT_PACKET) return; 155 switch (hci_event_packet_get_type(packet)){ 156 case BTSTACK_EVENT_STATE: 157 if (btstack_event_state_get_state(packet) != HCI_STATE_WORKING) break; 158 printf("BTstack up and running.\n"); 159 break; 160 case HCI_EVENT_COMMAND_COMPLETE: 161 if (HCI_EVENT_IS_COMMAND_COMPLETE(packet, hci_read_local_name)){ 162 if (hci_event_command_complete_get_return_parameters(packet)[0]) break; 163 // terminate, name 248 chars 164 packet[6+248] = 0; 165 printf("Local name: %s\n", &packet[6]); 166 if (is_bcm){ 167 btstack_chipset_bcm_set_device_name((const char *)&packet[6]); 168 } 169 } 170 if (HCI_EVENT_IS_COMMAND_COMPLETE(packet, hci_read_local_version_information)){ 171 local_version_information_handler(packet); 172 } 173 break; 174 default: 175 break; 176 } 177 } 178 179 int main(int argc, const char * argv[]){ 180 181 /// GET STARTED with BTstack /// 182 btstack_memory_init(); 183 btstack_run_loop_init(btstack_run_loop_posix_get_instance()); 184 185 // use logger: format HCI_DUMP_PACKETLOGGER, HCI_DUMP_BLUEZ or HCI_DUMP_STDOUT 186 hci_dump_open("/tmp/hci_dump.pklg", HCI_DUMP_PACKETLOGGER); 187 188 // pick serial port 189 config.device_name = "/dev/tty.usbserial-A900K0VK"; 190 191 // init HCI 192 const btstack_uart_block_t * uart_driver = btstack_uart_block_posix_instance(); 193 const hci_transport_t * transport = hci_transport_h5_instance(uart_driver); 194 const btstack_link_key_db_t * link_key_db = btstack_link_key_db_fs_instance(); 195 hci_init(transport, (void*) &config); 196 hci_set_link_key_db(link_key_db); 197 198 // enable auto-sleep mode 199 // hci_transport_h5_set_auto_sleep(300); 200 201 // register for HCI events 202 hci_event_callback_registration.callback = &packet_handler; 203 hci_add_event_handler(&hci_event_callback_registration); 204 205 // handle CTRL-c 206 signal(SIGINT, sigint_handler); 207 208 // setup app 209 btstack_main(argc, argv); 210 211 // go 212 btstack_run_loop_execute(); 213 214 return 0; 215 } 216