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 btstack_main(int argc, const char * argv[]); 72 73 74 static hci_transport_config_uart_t config = { 75 HCI_TRANSPORT_CONFIG_UART, 76 115200, 77 0, // main baudrate 78 1, // flow control 79 NULL, 80 }; 81 82 int is_bcm; 83 84 static btstack_packet_callback_registration_t hci_event_callback_registration; 85 static void local_version_information_handler(uint8_t * packet); 86 87 static void sigint_handler(int param){ 88 UNUSED(param); 89 90 printf("CTRL-C - SIGINT received, shutting down..\n"); 91 log_info("sigint_handler: shutting down"); 92 93 // reset anyway 94 btstack_stdin_reset(); 95 96 // power down 97 hci_power_control(HCI_POWER_OFF); 98 hci_close(); 99 log_info("Good bye, see you.\n"); 100 exit(0); 101 } 102 103 static int led_state = 0; 104 void hal_led_toggle(void){ 105 led_state = 1 - led_state; 106 printf("LED State %u\n", led_state); 107 } 108 static void use_fast_uart(void){ 109 // printf("Using 921600 baud.\n"); 110 // config.baudrate_main = 921600; 111 } 112 113 static void local_version_information_handler(uint8_t * packet){ 114 printf("Local version information:\n"); 115 uint16_t hci_version = little_endian_read_16(packet, 4); 116 uint16_t hci_revision = little_endian_read_16(packet, 6); 117 uint16_t lmp_version = little_endian_read_16(packet, 8); 118 uint16_t manufacturer = little_endian_read_16(packet, 10); 119 uint16_t lmp_subversion = little_endian_read_16(packet, 12); 120 printf("- HCI Version 0x%04x\n", hci_version); 121 printf("- HCI Revision 0x%04x\n", hci_revision); 122 printf("- LMP Version 0x%04x\n", lmp_version); 123 printf("- LMP Revision 0x%04x\n", lmp_subversion); 124 printf("- Manufacturer 0x%04x\n", manufacturer); 125 switch (manufacturer){ 126 case COMPANY_ID_CAMBRIDGE_SILICON_RADIO: 127 printf("Cambridge Silicon Radio CSR chipset.\n"); 128 use_fast_uart(); 129 hci_set_chipset(btstack_chipset_csr_instance()); 130 break; 131 case COMPANY_ID_TEXAS_INSTRUMENTS_INC: 132 printf("Texas Instruments - CC256x compatible chipset.\n"); 133 use_fast_uart(); 134 hci_set_chipset(btstack_chipset_cc256x_instance()); 135 break; 136 case COMPANY_ID_BROADCOM_CORPORATION: 137 printf("Broadcom chipset. Not supported yet\n"); 138 // hci_set_chipset(btstack_chipset_bcm_instance()); 139 break; 140 case COMPANY_ID_ST_MICROELECTRONICS: 141 printf("ST Microelectronics - using STLC2500d driver.\n"); 142 use_fast_uart(); 143 hci_set_chipset(btstack_chipset_stlc2500d_instance()); 144 break; 145 case COMPANY_ID_EM_MICROELECTRONICS_MARIN: 146 printf("EM Microelectronics - using EM9301 driver.\n"); 147 hci_set_chipset(btstack_chipset_em9301_instance()); 148 break; 149 default: 150 printf("Unknown manufacturer / manufacturer not supported yet.\n"); 151 break; 152 } 153 } 154 155 static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ 156 if (packet_type != HCI_EVENT_PACKET) return; 157 switch (hci_event_packet_get_type(packet)){ 158 case BTSTACK_EVENT_STATE: 159 if (btstack_event_state_get_state(packet) != HCI_STATE_WORKING) break; 160 printf("BTstack up and running.\n"); 161 break; 162 case HCI_EVENT_COMMAND_COMPLETE: 163 if (HCI_EVENT_IS_COMMAND_COMPLETE(packet, hci_read_local_name)){ 164 if (hci_event_command_complete_get_return_parameters(packet)[0]) break; 165 // terminate, name 248 chars 166 packet[6+248] = 0; 167 printf("Local name: %s\n", &packet[6]); 168 if (is_bcm){ 169 btstack_chipset_bcm_set_device_name((const char *)&packet[6]); 170 } 171 } 172 if (HCI_EVENT_IS_COMMAND_COMPLETE(packet, hci_read_local_version_information)){ 173 local_version_information_handler(packet); 174 } 175 break; 176 default: 177 break; 178 } 179 } 180 181 int main(int argc, const char * argv[]){ 182 183 /// GET STARTED with BTstack /// 184 btstack_memory_init(); 185 btstack_run_loop_init(btstack_run_loop_posix_get_instance()); 186 187 // use logger: format HCI_DUMP_PACKETLOGGER, HCI_DUMP_BLUEZ or HCI_DUMP_STDOUT 188 hci_dump_open("/tmp/hci_dump.pklg", HCI_DUMP_PACKETLOGGER); 189 190 // pick serial port 191 config.device_name = "/dev/tty.usbserial-A900K0VK"; 192 193 // init HCI 194 const btstack_uart_block_t * uart_driver = btstack_uart_block_posix_instance(); 195 const hci_transport_t * transport = hci_transport_h5_instance(uart_driver); 196 const btstack_link_key_db_t * link_key_db = btstack_link_key_db_fs_instance(); 197 hci_init(transport, (void*) &config); 198 hci_set_link_key_db(link_key_db); 199 200 // enable auto-sleep mode 201 // hci_transport_h5_set_auto_sleep(300); 202 203 // register for HCI events 204 hci_event_callback_registration.callback = &packet_handler; 205 hci_add_event_handler(&hci_event_callback_registration); 206 207 // handle CTRL-c 208 signal(SIGINT, sigint_handler); 209 210 // setup app 211 btstack_main(argc, argv); 212 213 // go 214 btstack_run_loop_execute(); 215 216 return 0; 217 } 218