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
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35 *
36 */
37
38 // *****************************************************************************
39 //
40 // spp_counter demo - it provides an SPP and sends a counter every second
41 //
42 // it doesn't use the LCD to get down to a minimal memory footprint
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 "classic/btstack_link_key_db.h"
60 #include "bluetooth_company_id.h"
61 #include "hal_board.h"
62 #include "hal_compat.h"
63 #include "hal_usb.h"
64 #include "hci.h"
65
hw_setup(void)66 static void hw_setup(void){
67 // stop watchdog timer
68 WDTCTL = WDTPW + WDTHOLD;
69
70 //Initialize clock and peripherals
71 halBoardInit();
72 halBoardStartXT1();
73 halBoardSetSystemClock(SYSCLK_16MHZ);
74
75 // init debug UART
76 halUsbInit();
77
78 // init LEDs
79 LED1_OUT |= LED1_PIN;
80 LED1_DIR |= LED1_PIN;
81 LED2_OUT |= LED2_PIN;
82 LED2_DIR |= LED2_PIN;
83
84 // ready - enable irq used in h4 task
85 __enable_interrupt();
86 }
87
88 static hci_transport_config_uart_t config = {
89 HCI_TRANSPORT_CONFIG_UART,
90 115200,
91 1000000, // main baudrate
92 1, // flow control
93 NULL,
94 };
95
96 static btstack_packet_callback_registration_t hci_event_callback_registration;
97
packet_handler(uint8_t packet_type,uint16_t channel,uint8_t * packet,uint16_t size)98 static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
99 if (packet_type != HCI_EVENT_PACKET) return;
100 switch(hci_event_packet_get_type(packet)){
101 case BTSTACK_EVENT_STATE:
102 if (btstack_event_state_get_state(packet) != HCI_STATE_WORKING) return;
103 printf("BTstack up and running.\n");
104 break;
105 case HCI_EVENT_COMMAND_COMPLETE:
106 if (hci_event_command_complete_get_command_opcode(packet) == HCI_OPCODE_HCI_READ_LOCAL_VERSION_INFORMATION){
107 uint16_t manufacturer = little_endian_read_16(packet, 10);
108 uint16_t lmp_subversion = little_endian_read_16(packet, 12);
109 // assert manufacturer is TI
110 if (manufacturer != BLUETOOTH_COMPANY_ID_TEXAS_INSTRUMENTS_INC){
111 printf("ERROR: Expected Bluetooth Chipset from TI but got manufacturer 0x%04x\n", manufacturer);
112 break;
113 }
114 // assert correct init script is used based on expected lmp_subversion
115 if (lmp_subversion != btstack_chipset_cc256x_lmp_subversion()){
116 printf("Error: LMP Subversion does not match initscript! ");
117 printf("Your initscripts is for %s chipset\n", btstack_chipset_cc256x_lmp_subversion() < lmp_subversion ? "an older" : "a newer");
118 printf("Please update Makefile to include the appropriate bluetooth_init_cc256???.c file\n");
119 break;
120 }
121 }
122 break;
123 default:
124 break;
125 }
126 }
127
btstack_setup(void)128 static void btstack_setup(void){
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
143 int btstack_main(int argc, const char * argv[]);
144
145 // main
main(void)146 int main(void){
147
148 hw_setup();
149
150 btstack_setup();
151 btstack_main(0, NULL);
152
153 btstack_run_loop_execute();
154
155 return 0;
156 }
157
158