1 /* 2 * Copyright (C) 2015 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 #define BTSTACK_FILE__ "main.c" 39 40 #include "btstack.h" 41 #include "btstack_chipset_bcm.h" 42 #include "btstack_chipset_bcm_download_firmware.h" 43 #include "btstack_run_loop_wiced.h" 44 #include "btstack_link_key_db_wiced_dct.h" 45 #include "le_device_db_wiced_dct.h" 46 #include "btstack_uart_slip_wrapper.h" 47 48 #include "generated_mac_address.txt" 49 50 #include "platform_bluetooth.h" 51 #include "wiced.h" 52 #include "platform/wwd_platform_interface.h" 53 54 extern int btstack_main(int argc, char ** argv); 55 extern const btstack_uart_block_t * btstack_uart_block_wiced_instance(void); 56 57 static void phase2(int status); 58 59 // see generated_mac_address.txt - "macaddr=02:0A:F7:3d:76:be" 60 static const char * wifi_mac_address = NVRAM_GENERATED_MAC_ADDRESS; 61 62 static btstack_packet_callback_registration_t hci_event_callback_registration; 63 64 static btstack_uart_config_t uart_config; 65 66 static const hci_transport_config_uart_t transport_config = { 67 HCI_TRANSPORT_CONFIG_UART, 68 115200, 69 1000000, // 200000+ didn't work reliably 70 0, 71 NULL, 72 }; 73 74 75 static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ 76 if (packet_type != HCI_EVENT_PACKET) return; 77 if (hci_event_packet_get_type(packet) != BTSTACK_EVENT_STATE) return; 78 if (btstack_event_state_get_state(packet) != HCI_STATE_WORKING) return; 79 printf("BTstack up and running.\n"); 80 } 81 82 void application_start(void){ 83 84 /* Initialise the WICED device without WLAN */ 85 wiced_core_init(); 86 87 /* 32 kHz clock also needed for Bluetooth */ 88 host_platform_init_wlan_powersave_clock(); 89 90 printf("BTstack on WICED\n"); 91 92 #if 0 93 // init GPIOs D0-D5 for debugging - not used 94 wiced_gpio_init(D0, OUTPUT_PUSH_PULL); 95 wiced_gpio_init(D1, OUTPUT_PUSH_PULL); 96 wiced_gpio_init(D2, OUTPUT_PUSH_PULL); 97 wiced_gpio_init(D3, OUTPUT_PUSH_PULL); 98 wiced_gpio_init(D4, OUTPUT_PUSH_PULL); 99 wiced_gpio_init(D5, OUTPUT_PUSH_PULL); 100 101 wiced_gpio_output_low(D0); 102 wiced_gpio_output_low(D1); 103 wiced_gpio_output_low(D2); 104 wiced_gpio_output_low(D3); 105 wiced_gpio_output_low(D4); 106 wiced_gpio_output_low(D5); 107 #endif 108 109 // start with BTstack init - especially configure HCI Transport 110 btstack_memory_init(); 111 112 // enable full log output while porting 113 // hci_dump_open(NULL, HCI_DUMP_STDOUT); 114 115 // setup run loop 116 btstack_run_loop_init(btstack_run_loop_wiced_get_instance()); 117 118 // get BCM chipset driver 119 const btstack_chipset_t * chipset = btstack_chipset_bcm_instance(); 120 chipset->init(&transport_config); 121 122 // setup uart driver 123 const btstack_uart_block_t * uart_block_driver = btstack_uart_block_wiced_instance(); 124 const btstack_uart_t * uart_slip_driver = btstack_uart_slip_wrapper_instance(uart_block_driver); 125 126 // extract UART config from transport config 127 uart_config.baudrate = transport_config.baudrate_init; 128 uart_config.flowcontrol = transport_config.flowcontrol; 129 uart_config.device_name = transport_config.device_name; 130 uart_block_driver->init(&uart_config); 131 132 // init HCI 133 const hci_transport_t * transport = hci_transport_h5_instance(uart_slip_driver); 134 hci_init(transport, (void*) &transport_config); 135 hci_set_link_key_db(btstack_link_key_db_wiced_dct_instance()); 136 hci_set_chipset(chipset); 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 // use WIFI Mac address + 1 for Bluetooth 143 bd_addr_t dummy = { 1,2,3,4,5,6}; 144 sscanf_bd_addr(&wifi_mac_address[8], dummy); 145 dummy[5]++; 146 hci_set_bd_addr(dummy); 147 148 // setup le device db storage -- not needed if used LE-only (-> start address == 0) 149 le_device_db_wiced_dct_set_start_address(btstack_link_key_db_wiced_dct_get_storage_size()); 150 le_device_db_dump(); 151 152 // phase #1 download firmware 153 printf("Phase 1: Download firmware\n"); 154 155 // phase #2 start main app 156 btstack_chipset_bcm_download_firmware(uart_block_driver, transport_config.baudrate_main, &phase2); 157 158 // go 159 btstack_run_loop_execute(); 160 } 161 162 static void phase2(int status){ 163 164 165 if (status){ 166 printf("Download firmware failed\n"); 167 return; 168 } 169 170 printf("Phase 2: Main app\n"); 171 172 // setup app 173 btstack_main(0, NULL); 174 } 175