1 /* 2 * hci.h 3 * 4 * Created by Matthias Ringwald on 4/29/09. 5 * 6 */ 7 8 #pragma once 9 10 #include <stdint.h> 11 #include <stdlib.h> 12 13 #include "hci_transport.h" 14 15 16 // helper for BT little endian format 17 #define READ_BT_16( buffer, pos) (buffer[pos] | (buffer[pos+1] << 8)) 18 #define READ_BT_24( buffer, pos) ( ((uint32_t) buffer[pos]) | (((uint32_t)buffer[pos+1]) << 8) | (((uint32_t)buffer[pos+2]) << 16)) 19 #define READ_BT_32( buffer, pos) ( ((uint32_t) buffer[pos]) | (((uint32_t)buffer[pos+1]) << 8) | (((uint32_t)buffer[pos+2]) << 16) | (((uint32_t) buffer[pos+3])) << 24) 20 21 22 // packet headers 23 #define HCI_CMD_DATA_PKT_HDR 0x03 24 #define HCI_ACL_DATA_PKT_HDR 0x04 25 #define HCI_SCO_DATA_PKT_HDR 0x03 26 #define HCI_EVENT_PKT_HDR 0x02 27 28 /** 29 * @brief Length of a bluetooth device address. 30 */ 31 #define BD_ADDR_LEN 6 32 typedef uint8_t bd_addr_t[BD_ADDR_LEN]; 33 34 35 /** 36 * @brief The link key type 37 */ 38 #define LINK_KEY_LEN 16 39 typedef uint8_t link_key_t[LINK_KEY_LEN]; 40 41 42 typedef enum { 43 HCI_POWER_OFF = 0, 44 HCI_POWER_ON 45 } HCI_POWER_MODE; 46 47 typedef struct { 48 uint16_t opcode; 49 const char *format; 50 } hci_cmd_t; 51 52 53 // set up HCI 54 void hci_init(hci_transport_t *transport, void *config); 55 56 // power control 57 int hci_power_control(HCI_POWER_MODE mode); 58 59 // run the hci daemon loop 60 void hci_run(); 61 62 // 63 void hexdump(uint8_t *data, int size); 64 65 // create and send hci command packet based on a template and a list of parameters 66 int hci_send_cmd(hci_cmd_t *cmd, ...); 67 68 extern hci_cmd_t hci_inquiry; 69 extern hci_cmd_t hci_reset; 70 extern hci_cmd_t hci_create_connection; 71 extern hci_cmd_t hci_host_buffer_size; 72 extern hci_cmd_t hci_write_page_timeout; 73 74 #define HCI_INQUIRY_LAP 0x9E8B33L // 0x9E8B33: General/Unlimited Inquiry Access Code (GIAC) 75