1 /* 2 * Copyright (C) 2020 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__ "port.c" 39 40 #include <stdio.h> 41 #include <unistd.h> 42 #include <signal.h> 43 44 // include STM32 first to avoid warning about redefinition of UNUSED 45 #include "stm32f4xx_hal.h" 46 #include "main.h" 47 48 #include "port.h" 49 50 #include <stdio.h> 51 #include <stddef.h> 52 53 #include "port.h" 54 #include "btstack.h" 55 #include "btstack_debug.h" 56 #include "btstack_audio.h" 57 #include "btstack_run_loop_embedded.h" 58 #include "btstack_tlv.h" 59 #include "btstack_tlv_flash_bank.h" 60 #include "ble/le_device_db_tlv.h" 61 #include "classic/btstack_link_key_db_tlv.h" 62 #include "hal_flash_bank_stm32.h" 63 #include "hci_transport.h" 64 #include "hci_transport_h2_stm32.h" 65 66 #ifdef ENABLE_SEGGER_RTT 67 #include "SEGGER_RTT.h" 68 #include "hci_dump_segger_rtt_stdout.h" 69 #else 70 #include "hci_dump_embedded_stdout.h" 71 #endif 72 73 static btstack_packet_callback_registration_t hci_event_callback_registration; 74 static btstack_tlv_flash_bank_t btstack_tlv_flash_bank_context; 75 static hal_flash_bank_stm32_t hal_flash_bank_context; 76 77 // hal_time_ms.h 78 #include "hal_time_ms.h" 79 uint32_t hal_time_ms(void){ 80 return HAL_GetTick(); 81 } 82 83 // hal_cpu.h implementation 84 #include "hal_cpu.h" 85 86 void hal_cpu_disable_irqs(void){ 87 __disable_irq(); 88 } 89 90 void hal_cpu_enable_irqs(void){ 91 __enable_irq(); 92 } 93 94 void hal_cpu_enable_irqs_and_sleep(void){ 95 __enable_irq(); 96 #if 0 97 // temp disable until effect on RTT is clear 98 // go to sleep if event flag isn't set. if set, just clear it. IRQs set event flag 99 // __asm__("wfe"); 100 #endif 101 } 102 103 #define HAL_FLASH_BANK_SIZE (128 * 1024) 104 #define HAL_FLASH_BANK_0_ADDR 0x080C0000 105 #define HAL_FLASH_BANK_1_ADDR 0x080E0000 106 #define HAL_FLASH_BANK_0_SECTOR FLASH_SECTOR_10 107 #define HAL_FLASH_BANK_1_SECTOR FLASH_SECTOR_11 108 109 int btstack_main(int argc, char ** argv); 110 111 ssize_t _read(int fd, void * buf, size_t count){ 112 UNUSED(fd); 113 UNUSED(buf); 114 UNUSED(count); 115 return -1; 116 } 117 118 int _close(int file){ 119 UNUSED(file); 120 return -1; 121 } 122 123 int _isatty(int file){ 124 UNUSED(file); 125 return -1; 126 } 127 128 int _lseek(int file){ 129 UNUSED(file); 130 return -1; 131 } 132 133 int _fstat(int file){ 134 UNUSED(file); 135 return -1; 136 } 137 138 int _kill (pid_t pid, int sig) { 139 UNUSED(pid); 140 UNUSED(sig); 141 return -1; 142 } 143 144 pid_t _getpid (void) { 145 return 0; 146 } 147 148 // main.c 149 static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ 150 UNUSED(size); 151 UNUSED(channel); 152 bd_addr_t local_addr; 153 if (packet_type != HCI_EVENT_PACKET) return; 154 switch(hci_event_packet_get_type(packet)){ 155 case BTSTACK_EVENT_STATE: 156 if (btstack_event_state_get_state(packet) != HCI_STATE_WORKING) return; 157 gap_local_bd_addr(local_addr); 158 printf("BTstack up and running on %s.\n", bd_addr_to_str(local_addr)); 159 break; 160 default: 161 break; 162 } 163 } 164 165 void btstack_assert_failed(const char * file, uint16_t line_nr){ 166 printf("ASSERT in %s, line %u failed - HALT\n", file, line_nr); 167 while(1); 168 } 169 170 void port_main(void){ 171 172 printf("BTstack on STM32 F4 Discovery with USB support starting...\n"); 173 174 // start with BTstack init - especially configure HCI Transport 175 btstack_memory_init(); 176 btstack_run_loop_init(btstack_run_loop_embedded_get_instance()); 177 178 // uncomment to enable packet logger 179 #ifdef ENABLE_SEGGER_RTT 180 // hci_dump_init(hci_dump_segger_rtt_stdout_get_instance()); 181 #else 182 // hci_dump_init(hci_dump_embedded_stdout_get_instance()); 183 #endif 184 185 // init HCI 186 hci_init(hci_transport_h2_stm32_instance(), NULL); 187 188 // setup TLV Flash Sector implementation 189 const hal_flash_bank_t * hal_flash_bank_impl = hal_flash_bank_stm32_init_instance( 190 &hal_flash_bank_context, 191 HAL_FLASH_BANK_SIZE, 192 HAL_FLASH_BANK_0_SECTOR, 193 HAL_FLASH_BANK_1_SECTOR, 194 HAL_FLASH_BANK_0_ADDR, 195 HAL_FLASH_BANK_1_ADDR); 196 const btstack_tlv_t * btstack_tlv_impl = btstack_tlv_flash_bank_init_instance( 197 &btstack_tlv_flash_bank_context, 198 hal_flash_bank_impl, 199 &hal_flash_bank_context); 200 201 // setup global tlv 202 btstack_tlv_set_instance(btstack_tlv_impl, &btstack_tlv_flash_bank_context); 203 204 // setup Link Key DB using TLV 205 const btstack_link_key_db_t * btstack_link_key_db = btstack_link_key_db_tlv_get_instance(btstack_tlv_impl, &btstack_tlv_flash_bank_context); 206 hci_set_link_key_db(btstack_link_key_db); 207 208 // setup LE Device DB using TLV 209 le_device_db_tlv_configure(btstack_tlv_impl, &btstack_tlv_flash_bank_context); 210 211 #ifdef HAVE_HAL_AUDIO 212 // setup audio 213 btstack_audio_sink_set_instance(btstack_audio_embedded_sink_get_instance()); 214 btstack_audio_source_set_instance(btstack_audio_embedded_source_get_instance()); 215 #endif 216 217 // inform about BTstack state 218 hci_event_callback_registration.callback = &packet_handler; 219 hci_add_event_handler(&hci_event_callback_registration); 220 221 // hand over to btstack embedded code 222 btstack_main(0, NULL); 223 224 // go 225 btstack_run_loop_execute(); 226 } 227