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
packet_handler(uint8_t packet_type,uint16_t channel,uint8_t * packet,uint16_t size)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
main(void)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