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 BLUEKITCHEN 24 * GMBH 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 // spp_counter demo - it provides a SPP and sends a counter every second 41 // 42 // it doesn't use the LCD to get down to a minimal memory footpring 43 // 44 // ***************************************************************************** 45 46 #include <stdint.h> 47 #include <stdio.h> 48 #include <stdlib.h> 49 #include <string.h> 50 51 #include <msp430x54x.h> 52 53 #include "btstack_chipset_cc256x.h" 54 #include "btstack_config.h" 55 #include "btstack_event.h" 56 #include "btstack_memory.h" 57 #include "btstack_run_loop.h" 58 #include "btstack_run_loop_embedded.h" 59 #include "bluetooth_company_id.h" 60 #include "classic/btstack_link_key_db.h" 61 #include "hal_board.h" 62 #include "hal_compat.h" 63 #include "hal_usb.h" 64 #include "hci.h" 65 #include "hci_cmd.h" 66 67 int btstack_main(int argc, const char * argv[]); 68 69 static hci_transport_config_uart_t config = { 70 HCI_TRANSPORT_CONFIG_UART, 71 115200, 72 1000000, // main baudrate 73 1, // flow control 74 NULL, 75 }; 76 77 static btstack_packet_callback_registration_t hci_event_callback_registration; 78 79 static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ 80 if (packet_type != HCI_EVENT_PACKET) return; 81 switch(hci_event_packet_get_type(packet)){ 82 case BTSTACK_EVENT_STATE: 83 if (btstack_event_state_get_state(packet) != HCI_STATE_WORKING) return; 84 printf("BTstack up and running.\n"); 85 break; 86 case HCI_EVENT_COMMAND_COMPLETE: 87 if (hci_event_command_complete_get_command_opcode(packet) == HCI_OPCODE_HCI_READ_LOCAL_VERSION_INFORMATION){ 88 uint16_t manufacturer = little_endian_read_16(packet, 10); 89 uint16_t lmp_subversion = little_endian_read_16(packet, 12); 90 // assert manufacturer is TI 91 if (manufacturer != BLUETOOTH_COMPANY_ID_TEXAS_INSTRUMENTS_INC){ 92 printf("ERROR: Expected Bluetooth Chipset from TI but got manufacturer 0x%04x\n", manufacturer); 93 break; 94 } 95 // assert correct init script is used based on expected lmp_subversion 96 if (lmp_subversion != btstack_chipset_cc256x_lmp_subversion()){ 97 printf("Error: LMP Subversion does not match initscript! "); 98 printf("Your initscripts is for %s chipset\n", btstack_chipset_cc256x_lmp_subversion() < lmp_subversion ? "an older" : "a newer"); 99 printf("Please update Makefile to include the appropriate bluetooth_init_cc256???.c file\n"); 100 break; 101 } 102 } 103 break; 104 default: 105 break; 106 } 107 } 108 109 // main 110 int main(void) 111 { 112 // stop watchdog timer 113 WDTCTL = WDTPW + WDTHOLD; 114 115 //Initialize clock and peripherals 116 halBoardInit(); 117 halBoardStartXT1(); 118 halBoardSetSystemClock(SYSCLK_16MHZ); 119 120 // init debug UART 121 halUsbInit(); 122 123 // init LEDs 124 LED1_OUT |= LED1_PIN; 125 LED1_DIR |= LED1_PIN; 126 LED2_OUT |= LED2_PIN; 127 LED2_DIR |= LED2_PIN; 128 129 /// GET STARTED with BTstack /// 130 btstack_memory_init(); 131 btstack_run_loop_init(btstack_run_loop_embedded_get_instance()); 132 133 // init HCI 134 hci_init(hci_transport_h4_instance(btstack_uart_block_embedded_instance()), &config); 135 hci_set_link_key_db(btstack_link_key_db_memory_instance()); 136 hci_set_chipset(btstack_chipset_cc256x_instance()); 137 138 // inform about BTstack state 139 hci_event_callback_registration.callback = &packet_handler; 140 hci_add_event_handler(&hci_event_callback_registration); 141 142 // ready - enable irq used in h4 task 143 __enable_interrupt(); 144 145 btstack_main(0, NULL); 146 147 // go! 148 btstack_run_loop_execute(); 149 150 return 0; 151 } 152 153