hci.h

00001 /******************** (C) COPYRIGHT 2012 STMicroelectronics ********************
00002 * File Name          : hci.h
00003 * Author             : AMS - HEA&RF BU
00004 * Version            : V1.0.0
00005 * Date               : 19-July-2012
00006 * Description        : Constants and functions for HCI layer. See Bluetooth Core
00007 *                      v 4.0, Vol. 2, Part E.
00008 ********************************************************************************
00009 * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
00010 * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
00011 * AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
00012 * INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
00013 * CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
00014 * INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
00015 *******************************************************************************/
00016 
00017 #ifndef __HCI_H_
00018 #define __HCI_H_
00019 
00020 #include "hal_types.h"
00021 #include "link_layer.h"
00022 #include <list.h>
00023 
00024 #define HCI_READ_PACKET_SIZE                    128 //71
00025 
00026 /*** Data types ***/
00027 
00028 /* structure used to read received data */
00029 typedef struct _tHciDataPacket
00030 {
00031   tListNode currentNode;
00032   uint8_t dataBuff[HCI_READ_PACKET_SIZE];
00033   uint8_t data_len;
00034 } tHciDataPacket;
00035 
00036 typedef enum
00037 {
00038   BUSY,
00039   AVAILABLE
00040 } HCI_CMD_STATUS_t;
00041 
00042 /**
00043  * @defgroup HCI_Error_codes HCI Error codes
00044  * @{
00045  */
00046 #define HCI_UNKNOWN_COMMAND                     0x01
00047 #define HCI_NO_CONNECTION                       0x02
00048 #define HCI_HARDWARE_FAILURE                    0x03
00049 #define HCI_PAGE_TIMEOUT                        0x04
00050 #define HCI_AUTHENTICATION_FAILURE              0x05
00051 #define HCI_PIN_OR_KEY_MISSING                  0x06
00052 #define HCI_MEMORY_FULL                         0x07
00053 #define HCI_CONNECTION_TIMEOUT                  0x08
00054 #define HCI_MAX_NUMBER_OF_CONNECTIONS       0x09
00055 #define HCI_MAX_NUMBER_OF_SCO_CONNECTIONS   0x0a
00056 #define HCI_ACL_CONNECTION_EXISTS               0x0b
00057 #define HCI_COMMAND_DISALLOWED                  0x0c
00058 #define HCI_REJECTED_LIMITED_RESOURCES          0x0d
00059 #define HCI_REJECTED_SECURITY                   0x0e
00060 #define HCI_REJECTED_PERSONAL                   0x0f
00061 #define HCI_HOST_TIMEOUT                        0x10
00062 #define HCI_UNSUPPORTED_FEATURE                 0x11
00063 #define HCI_INVALID_PARAMETERS                  0x12
00064 #define HCI_OE_USER_ENDED_CONNECTION            0x13
00065 #define HCI_OE_LOW_RESOURCES                    0x14
00066 #define HCI_OE_POWER_OFF                        0x15
00067 #define HCI_CONNECTION_TERMINATED               0x16
00068 #define HCI_REPEATED_ATTEMPTS                   0x17
00069 #define HCI_PAIRING_NOT_ALLOWED                 0x18
00070 #define HCI_UNKNOWN_LMP_PDU                     0x19
00071 #define HCI_UNSUPPORTED_REMOTE_FEATURE          0x1a
00072 #define HCI_SCO_OFFSET_REJECTED                 0x1b
00073 #define HCI_SCO_INTERVAL_REJECTED               0x1c
00074 #define HCI_AIR_MODE_REJECTED                   0x1d
00075 #define HCI_INVALID_LMP_PARAMETERS              0x1e
00076 #define HCI_UNSPECIFIED_ERROR                   0x1f
00077 #define HCI_UNSUPPORTED_LMP_PARAMETER_VALUE     0x20
00078 #define HCI_ROLE_CHANGE_NOT_ALLOWED             0x21
00079 #define HCI_LMP_RESPONSE_TIMEOUT                0x22
00080 #define HCI_LMP_ERROR_TRANSACTION_COLLISION     0x23
00081 #define HCI_LMP_PDU_NOT_ALLOWED                 0x24
00082 #define HCI_ENCRYPTION_MODE_NOT_ACCEPTED        0x25
00083 #define HCI_UNIT_LINK_KEY_USED                  0x26
00084 #define HCI_QOS_NOT_SUPPORTED                   0x27
00085 #define HCI_INSTANT_PASSED                      0x28
00086 #define HCI_PAIRING_NOT_SUPPORTED               0x29
00087 #define HCI_TRANSACTION_COLLISION               0x2a
00088 #define HCI_QOS_UNACCEPTABLE_PARAMETER          0x2c
00089 #define HCI_QOS_REJECTED                        0x2d
00090 #define HCI_CLASSIFICATION_NOT_SUPPORTED        0x2e
00091 #define HCI_INSUFFICIENT_SECURITY               0x2f
00092 #define HCI_PARAMETER_OUT_OF_RANGE              0x30
00093 #define HCI_ROLE_SWITCH_PENDING                 0x32
00094 #define HCI_SLOT_VIOLATION                      0x34
00095 #define HCI_ROLE_SWITCH_FAILED                  0x35
00096 #define HCI_EIR_TOO_LARGE                       0x36
00097 #define HCI_SIMPLE_PAIRING_NOT_SUPPORTED        0x37
00098 #define HCI_HOST_BUSY_PAIRING                   0x38
00099 #define HCI_CONN_REJ_NO_CH_FOUND                0x39
00100 #define HCI_CONTROLLER_BUSY                     0x3A
00101 #define HCI_UNACCEPTABLE_CONN_INTERV            0x3B
00102 #define HCI_DIRECTED_ADV_TIMEOUT                0x3C
00103 #define HCI_CONN_TERM_MIC_FAIL                  0x3D
00104 #define HCI_CONN_FAIL_TO_BE_ESTABL              0x3E
00105 #define HCI_MAC_CONN_FAILED                     0x3F
00106 /**
00107  * @}
00108  */
00109 
00110 
00111 /*
00112  * HCI library functions.
00113  * Each function returns 0 in case of success, otherwise one of the error codes.
00114  */
00115 
00116 int hci_reset(void);
00117 
00118 int hci_disconnect(uint16_t handle, uint8_t reason);
00119 
00120 int hci_le_set_advertise_enable(uint8_t enable);
00121 
00122 int hci_le_set_advertising_parameters(uint16_t min_interval, uint16_t max_interval, uint8_t advtype,
00123         uint8_t own_bdaddr_type, uint8_t direct_bdaddr_type, const tBDAddr direct_bdaddr, uint8_t chan_map,
00124         uint8_t filter);
00125 
00126 int hci_le_set_scan_parameters(uint8_t type, uint16_t interval,
00127                                uint16_t window, uint8_t own_bdaddr_type,
00128                                uint8_t filter);
00129 
00130 int hci_le_set_scan_enable(uint8_t enable, uint8_t filter_dup);
00131 
00132 int hci_le_set_advertising_data(uint8_t length, const uint8_t data[]);
00133 
00134 int hci_le_set_scan_resp_data(uint8_t length, const uint8_t data[]);
00135 
00136 int hci_le_rand(uint8_t random_number[8]);
00137 
00138 int hci_le_read_advertising_channel_tx_power(int8_t *tx_power_level);
00139 
00140 int hci_acl_data(const uint8_t * data, uint16_t len);
00141 
00142 int hci_le_set_random_address(tBDAddr bdaddr);
00143 
00144 int hci_read_bd_addr(tBDAddr bdaddr);
00145 
00146 int hci_le_read_white_list_size(uint8_t *size);
00147 
00148 int hci_le_clear_white_list(void);
00149 
00150 int hci_le_add_device_to_white_list(uint8_t bdaddr_type, tBDAddr bdaddr);
00151 
00152 int hci_le_remove_device_from_white_list(uint8_t bdaddr_type, tBDAddr bdaddr);
00153 
00154 int hci_le_encrypt(uint8_t key[16], uint8_t plaintextData[16], uint8_t encryptedData[16]);
00155 
00156 int hci_le_ltk_request_reply(uint8_t key[16]);
00157 
00158 int hci_le_ltk_request_neg_reply(void);
00159 
00160 int hci_le_read_buffer_size(uint16_t *pkt_len, uint8_t *max_pkt);
00161 
00162 int hci_le_create_connection(uint16_t interval, uint16_t window, uint8_t initiator_filter, uint8_t peer_bdaddr_type,
00163                              const tBDAddr peer_bdaddr, uint8_t own_bdaddr_type, uint16_t min_interval, uint16_t max_interval,
00164                              uint16_t latency, uint16_t supervision_timeout, uint16_t min_ce_length, uint16_t max_ce_length);
00165 
00166 int hci_le_create_connection_cancel(void);
00167 
00168 int hci_read_transmit_power_level(uint16_t *conn_handle, uint8_t type, int8_t *tx_level);
00169 
00170 int hci_read_rssi(uint16_t *conn_handle, int8_t *rssi);
00171 
00172 int hci_le_read_local_supported_features(uint8_t *features);
00173 
00174 int hci_le_read_channel_map(uint16_t conn_handle, uint8_t ch_map[5]);
00175 
00176 int hci_le_read_supported_states(uint8_t states[8]);
00177 
00178 int hci_le_receiver_test(uint8_t frequency);
00179 
00180 int hci_le_transmitter_test(uint8_t frequency, uint8_t length, uint8_t payload);
00181 
00182 int hci_le_test_end(uint16_t *num_pkts);
00183 
00184 int hci_le_read_local_version(uint8_t *hci_version, uint16_t *hci_revision, uint8_t *lmp_pal_version, 
00185                   uint16_t *manufacturer_name, uint16_t *lmp_pal_subversion);
00186 
00187 /**
00188  * This function must be used to pass the packet received from the HCI
00189  * interface to the BLE Stack HCI state machine.
00190  *
00191  * @param[in] hciReadPacket    The packet that is received from HCI interface.
00192  *
00193  */
00194 void HCI_Input(tHciDataPacket *hciReadPacket);
00195 
00196 /**
00197  * Initialization function. Must be done before any data can be received from
00198  * BLE controller.
00199  */
00200 void HCI_Init(void);
00201 
00202 /**
00203  * Callback used to pass events to application.
00204  *
00205  * @param[in] pckt    The event.
00206  *
00207  */
00208 extern void HCI_Event_CB(void *pckt);
00209 
00210 /**
00211  * Processing function that must be called after an event is received from
00212  * HCI interface. Must be called outside ISR. It will call HCI_Event_CB if
00213  * necessary.
00214 */
00215 void HCI_Process(void);
00216 
00217 /**
00218  * @brief Check if queue of HCI event is empty or not.
00219  * @note This funtion can be used to check if the event queue from BlueNRG is empty. This
00220  *        is useful when checking if it is safe to go to sleep. 
00221  * @return TRUE if event queue is empty. FALSE otherwhise.
00222  */
00223 BOOL HCI_Queue_Empty(void);
00224 /**
00225  * Iterrupt service routine that must be called when the BlueNRG 
00226  * reports a packet received or an event to the host through the 
00227  * BlueNRG interrupt line.
00228  */
00229 #ifdef __DMA_LP__
00230 void HCI_Isr(uint8_t *buffer, uint8_t event_payload_len);
00231 void HCI_Process_Notification_Request(void);
00232 void HCI_Cmd_Status(HCI_CMD_STATUS_t Hci_Cmd_Status);
00233 void HCI_Wait_For_Response(void);
00234 #else
00235 void HCI_Isr(void);
00236 #endif /* __DMA_LP__ */
00237 
00238 extern tListNode hciReadPktPool;
00239 extern tListNode hciReadPktRxQueue;
00240 
00241 #endif /* __HCI_H_ */