910 lines
28 KiB
C
910 lines
28 KiB
C
/*
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* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
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*
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* Attention: This software (modified or not) and binary are used for
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* microcontroller manufactured by Nanjing Qinheng Microelectronics.
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*/
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/*********************************************************************
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* INCLUDES
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*/
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#include "CONFIG.h"
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#include "devinfoservice.h"
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#include "ancs_client.h"
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#include "ancs_client_internal.h"
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#include "ancs.h"
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/*********************************************************************
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* MACROS
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*/
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// Length of bd addr as a string
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#define B_ADDR_STR_LEN 15
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/*********************************************************************
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* CONSTANTS
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*/
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// What is the advertising interval when device is discoverable (units of 625us, 80=50ms)
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#define DEFAULT_ADVERTISING_INTERVAL 80
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// Minimum connection interval (units of 1.25ms, 6=7.5ms)
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#define DEFAULT_DESIRED_MIN_CONN_INTERVAL 6
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// Maximum connection interval (units of 1.25ms, 100=125ms)
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#define DEFAULT_DESIRED_MAX_CONN_INTERVAL 100
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// Slave latency to use parameter update
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#define DEFAULT_DESIRED_SLAVE_LATENCY 0
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// Minimum connection interval (units of 1.25ms)
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#define DEFAULT_UPDATE_MIN_CONN_INTERVAL 24
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// Maximum connection interval (units of 1.25ms)
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#define DEFAULT_UPDATE_MAX_CONN_INTERVAL 40
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// Slave latency to use parameter update
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#define DEFAULT_UPDATE_SLAVE_LATENCY 0
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// Supervision timeout value (units of 10ms)
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#define DEFAULT_UPDATE_CONN_TIMEOUT 42
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// Default parameter update delay in 0.625ms
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#define DEFAULT_PARAM_UPDATE_DELAY 3200
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// Default phy update delay in 0.625ms
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#define DEFAULT_PHY_UPDATE_DELAY 2400
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// ANCS Service: 7905F431-B5CE-4E99-A40F-4B1E122D00D0
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#define ANCS_SVC_UUID 0xD0, 0x00, 0x2D, 0x12, 0x1E, 0x4B, 0x0F, 0xA4, 0x99, 0x4E, 0xCE, 0xB5, 0x31, 0xF4, 0x05, 0x79
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// Notification Source: UUID 9FBF120D-6301-42D9-8C58-25E699A21DBD (notifiable)
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#define ANCS_NOTIF_SRC_CHAR_UUID 0x1DBD // Last 2 bytes of the 128bit-16bytes UUID
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// Control point: UUID 69D1D8F3-45E1-49A8-9821-9BBDFDAAD9D9 (writeable with response)
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#define ANCS_CTRL_PT_CHAR_UUID 0xD9D9
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// Data Source: UUID 22EAC6E9-24D6-4BB5-BE44-B36ACE7C7BFB (notifiable)
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#define ANCS_DATA_SRC_CHAR_UUID 0x7BFB
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#define CHAR_DESC_HDL_UUID128_LEN 21 // 5 + 16bytes = 21
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/*********************************************************************
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* TYPEDEFS
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*/
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/*********************************************************************
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* GLOBAL VARIABLES
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*/
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uint16_t Ancs_handleCache[HDL_CACHE_LEN];
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// Task ID for internal task/event processing
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uint8_t ancs_taskid;
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/*********************************************************************
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* EXTERNAL VARIABLES
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*/
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/*********************************************************************
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* EXTERNAL FUNCTIONS
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*/
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/*********************************************************************
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* LOCAL VARIABLES
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*/
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struct bt_ancs_client ancs_c;
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// GAP - SCAN RSP data (max size = 31 bytes)
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static uint8_t scanRspData[] = {
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// complete name
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0x05, // length of this data
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GAP_ADTYPE_LOCAL_NAME_COMPLETE,
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'A',
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'N',
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'C',
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'S',
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// connection interval range
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0x05, // length of this data
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GAP_ADTYPE_SLAVE_CONN_INTERVAL_RANGE,
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LO_UINT16(DEFAULT_DESIRED_MIN_CONN_INTERVAL), // 100ms
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HI_UINT16(DEFAULT_DESIRED_MIN_CONN_INTERVAL),
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LO_UINT16(DEFAULT_DESIRED_MAX_CONN_INTERVAL), // 1s
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HI_UINT16(DEFAULT_DESIRED_MAX_CONN_INTERVAL),
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// Tx power level
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0x02, // length of this data
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GAP_ADTYPE_POWER_LEVEL,
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0 // 0dBm
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};
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// GAP - Advertisement data (max size = 31 bytes, though this is
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// best kept short to conserve power while advertising)
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static uint8_t advertData[] = {
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// Flags; this sets the device to use limited discoverable
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// mode (advertises for 30 seconds at a time) instead of general
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// discoverable mode (advertises indefinitely)
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0x02, // length of this data
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GAP_ADTYPE_FLAGS,
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GAP_ADTYPE_FLAGS_LIMITED | GAP_ADTYPE_FLAGS_BREDR_NOT_SUPPORTED,
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// service UUID, to notify central devices what services are included
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// in this peripheral
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0x11, // length of this data
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GAP_ADTYPE_SERVICES_LIST_128BIT, // some of the UUID's, but not all
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ANCS_SVC_UUID,
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0x05,
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GAP_ADTYPE_LOCAL_NAME_COMPLETE,
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'A', 'N', 'C', 'S',
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};
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// Connection handle of current connection
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static peripheralConnItem_t ancs_conn_list = {
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.connHandle = GAP_CONNHANDLE_INIT
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};
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static uint8_t discoveryState = DISC_ANCS_START;
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// GAP GATT Attributes
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static uint8_t attDeviceName[GAP_DEVICE_NAME_LEN] = "ANCS";
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/*********************************************************************
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* LOCAL FUNCTIONS
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*/
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uint16_t ANCS_ProcessEvent(uint8_t task_id, uint16_t events);
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static void AncsProcessTMOSMsg(tmos_event_hdr_t *pMsg);
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static void AncsApp_discoverService(gattMsgEvent_t *pMsg);
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static void AncsStateNotificationCB(gapRole_States_t newState, gapRoleEvent_t *pEvent);
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static void AncsParamUpdateCB(uint16_t connHandle, uint16_t connInterval,
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uint16_t connSlaveLatency, uint16_t connTimeout);
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static void AncsPasscodeCB(uint8_t *deviceAddr, uint16_t connectionHandle,
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uint8_t uiInputs, uint8_t uiOutputs);
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static void AncsPairStateCB(uint16_t connHandle, uint8_t state, uint8_t status);
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/*********************************************************************
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* PROFILE CALLBACKS
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*/
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// GAP Role Callbacks
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static gapRolesCBs_t AncsPeripheralCBs = {
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AncsStateNotificationCB, // Profile State Change Callbacks
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NULL, // When a valid RSSI is read from controller (not used by application)
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AncsParamUpdateCB
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};
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// Bond Manager Callbacks
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static gapBondCBs_t AncsBondCB = {
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AncsPasscodeCB,
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AncsPairStateCB
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};
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static struct bt_ancs_subscribe_cb *bt_ancs_subscribe;
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void ancs_subscribe_cb_register(struct bt_ancs_subscribe_cb *cb)
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{
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bt_ancs_subscribe = cb;
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}
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/*********************************************************************
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* @fn peripheral_ancs_client_init
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*
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* @brief Initialization function for the Central App Task.
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* This is called during initialization and should contain
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* any application specific initialization (ie. hardware
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* initialization/setup, table initialization, power up
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* notification).
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*
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* @param task_id - the ID assigned by TMOS. This ID should be
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* used to send messages and set timers.
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*
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* @return none
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*/
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void peripheral_ancs_client_init(void)
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{
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ancs_taskid = TMOS_ProcessEventRegister(ANCS_ProcessEvent);
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// Setup the GAP Peripheral Role Profile
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{
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uint8_t initial_advertising_enable = TRUE;
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uint16_t desired_min_interval = DEFAULT_DESIRED_MIN_CONN_INTERVAL;
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uint16_t desired_max_interval = DEFAULT_DESIRED_MAX_CONN_INTERVAL;
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// Set the GAP Role Parameters
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GAPRole_SetParameter(GAPROLE_ADVERT_ENABLED, sizeof(uint8_t), &initial_advertising_enable);
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GAPRole_SetParameter(GAPROLE_SCAN_RSP_DATA, sizeof(scanRspData), scanRspData);
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GAPRole_SetParameter(GAPROLE_ADVERT_DATA, sizeof(advertData), advertData);
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GAPRole_SetParameter(GAPROLE_MIN_CONN_INTERVAL, sizeof(uint16_t), &desired_min_interval);
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GAPRole_SetParameter(GAPROLE_MAX_CONN_INTERVAL, sizeof(uint16_t), &desired_max_interval);
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}
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// Set the GAP Characteristics
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GGS_SetParameter(GGS_DEVICE_NAME_ATT, sizeof(attDeviceName), attDeviceName);
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{
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uint16_t advInt = DEFAULT_ADVERTISING_INTERVAL;
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// Set advertising interval
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GAP_SetParamValue(TGAP_DISC_ADV_INT_MIN, advInt);
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GAP_SetParamValue(TGAP_DISC_ADV_INT_MAX, advInt);
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// Enable scan req notify
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GAP_SetParamValue(TGAP_ADV_SCAN_REQ_NOTIFY, ENABLE);
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}
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// Setup the GAP Bond Manager
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{
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uint32_t passkey = 0; // passkey "000000"
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uint8_t pairMode = GAPBOND_PAIRING_MODE_WAIT_FOR_REQ;
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uint8_t mitm = TRUE;
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uint8_t bonding = TRUE;
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uint8_t ioCap = GAPBOND_IO_CAP_DISPLAY_ONLY;
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GAPBondMgr_SetParameter(GAPBOND_PERI_DEFAULT_PASSCODE, sizeof(uint32_t), &passkey);
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GAPBondMgr_SetParameter(GAPBOND_PERI_PAIRING_MODE, sizeof(uint8_t), &pairMode);
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GAPBondMgr_SetParameter(GAPBOND_PERI_MITM_PROTECTION, sizeof(uint8_t), &mitm);
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GAPBondMgr_SetParameter(GAPBOND_PERI_IO_CAPABILITIES, sizeof(uint8_t), &ioCap);
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GAPBondMgr_SetParameter(GAPBOND_PERI_BONDING_ENABLED, sizeof(uint8_t), &bonding);
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}
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// Initialize GATT Client
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GATT_InitClient();
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// Register to receive incoming ATT Indications/Notifications
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GATT_RegisterForInd(ancs_taskid);
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// Initialize GATT attributes
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GGS_AddService(GATT_ALL_SERVICES); // GAP
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GATTServApp_AddService(GATT_ALL_SERVICES); // GATT attributes
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DevInfo_AddService();
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// Setup a delayed profile startup
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tmos_set_event(ancs_taskid, START_DEVICE_EVT);
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}
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/*********************************************************************
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* @fn Central_ProcessEvent
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*
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* @brief Central Application Task event processor. This function
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* is called to process all events for the task. Events
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* include timers, messages and any other user defined events.
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*
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* @param task_id - The TMOS assigned task ID.
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* @param events - events to process. This is a bit map and can
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* contain more than one event.
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*
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* @return events not processed
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*/
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uint16_t ANCS_ProcessEvent(uint8_t task_id, uint16_t events)
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{
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if(events & SYS_EVENT_MSG)
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{
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uint8_t *pMsg;
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if((pMsg = tmos_msg_receive(ancs_taskid)) != NULL)
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{
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AncsProcessTMOSMsg((tmos_event_hdr_t *)pMsg);
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// Release the TMOS message
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tmos_msg_deallocate(pMsg);
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}
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// return unprocessed events
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return (events ^ SYS_EVENT_MSG);
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}
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if(events & START_DEVICE_EVT)
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{
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// Start the Device
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GAPRole_PeripheralStartDevice(ancs_taskid, &AncsBondCB, &AncsPeripheralCBs);
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return (events ^ START_DEVICE_EVT);
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}
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if(events & START_SUBSCRIPE_NOTIDATA_EVT)
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{
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int err ;
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if((err = bt_ancs_subscribe_data_source(&ancs_c,
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bt_ancs_subscribe->data_source)) != SUCCESS){
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if(err != -EALREADY)
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tmos_start_task(ancs_taskid, START_SUBSCRIPE_NOTIDATA_EVT, MS1_TO_SYSTEM_TIME(100));
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}
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return (events ^ START_SUBSCRIPE_NOTIDATA_EVT);
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}
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if(events & START_SUBSCRIPE_NOTISRC_EVT)
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{
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int err ;
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if((err = bt_ancs_subscribe_notification_source(&ancs_c,
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bt_ancs_subscribe->notification_source)) != SUCCESS){
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if(err != -EALREADY)
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tmos_start_task(ancs_taskid, START_SUBSCRIPE_NOTISRC_EVT, MS1_TO_SYSTEM_TIME(100));
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}
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return (events ^ START_SUBSCRIPE_NOTISRC_EVT);
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}
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if(events & START_DISCOVER_EVT)
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{
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AncsApp_discoverService(NULL);
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return (events ^ START_DISCOVER_EVT);
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}
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if(events & START_PARAM_UPDATE_EVT)
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{
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// start connect parameter update
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GAPRole_PeripheralConnParamUpdateReq(ancs_conn_list.connHandle,
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DEFAULT_UPDATE_MIN_CONN_INTERVAL,
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DEFAULT_UPDATE_MAX_CONN_INTERVAL,
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DEFAULT_UPDATE_SLAVE_LATENCY,
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DEFAULT_UPDATE_CONN_TIMEOUT,
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ancs_taskid);
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return (events ^ START_PARAM_UPDATE_EVT);
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}
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if(events & START_PHY_UPDATE_EVT)
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{
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// start phy update
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PRINT("PHY Update %x...\n", GAPRole_UpdatePHY(ancs_conn_list.connHandle, 0, GAP_PHY_BIT_LE_2M,
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GAP_PHY_BIT_LE_2M, 0));
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return (events ^ START_PHY_UPDATE_EVT);
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}
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// Discard unknown events
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return 0;
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}
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/*********************************************************************
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* @fn centralProcessGATTMsg
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*
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* @brief Process GATT messages
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*
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* @return none
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*/
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static void AncsProcessGATTMsg(gattMsgEvent_t *pMsg)
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{
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if(!atomic_test_bit(&ancs_c.state, ANCS_BT_CONNECTED)){
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// In case a GATT message came after a connection has dropped,
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// ignore the message
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GATT_bm_free(&pMsg->msg, pMsg->method);
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return;
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}
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if(!atomic_test_bit(&ancs_c.state, ANCS_BT_DISCOVERY_COMPLETE)){
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AncsApp_discoverService(pMsg);
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} else if (pMsg->method == ATT_HANDLE_VALUE_NOTI ||
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pMsg->method == ATT_HANDLE_VALUE_IND) {
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// Now in ancs_client.c
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Ancs_handleNotification(pMsg);
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} else if ((pMsg->method == ATT_READ_RSP) ||
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((pMsg->method == ATT_ERROR_RSP) &&
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(pMsg->msg.errorRsp.reqOpcode == ATT_READ_REQ))){
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} else if((pMsg->method == ATT_WRITE_RSP) ||
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((pMsg->method == ATT_ERROR_RSP) &&
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(pMsg->msg.errorRsp.reqOpcode == ATT_WRITE_REQ))){
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bt_ancs_write_cb write_cb;
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write_cb = ancs_c.cp_write_cb;
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atomic_clear_bit(&ancs_c.state, ANCS_CP_WRITE_PENDING);
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if (write_cb) {
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write_cb(&ancs_c, pMsg->msg.errorRsp.errCode);
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}
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} else if(pMsg->method == ATT_ERROR_RSP){
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PRINT("response %#x error: %#x\n", pMsg->msg.errorRsp.reqOpcode,
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pMsg->msg.errorRsp.errCode);
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}
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GATT_bm_free(&pMsg->msg, pMsg->method);
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}
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/*********************************************************************
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* @fn central_ProcessTMOSMsg
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*
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* @brief Process an incoming task message.
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*
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* @param pMsg - message to process
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*
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* @return none
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*/
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static void AncsProcessTMOSMsg(tmos_event_hdr_t *pMsg)
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{
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switch(pMsg->event)
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{
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case GATT_MSG_EVENT:
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AncsProcessGATTMsg((gattMsgEvent_t *)pMsg);
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break;
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}
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}
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/*********************************************************************
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* @fn Peripheral_LinkEstablished
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*
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* @brief Process link established.
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*
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* @param pEvent - event to process
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*
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* @return none
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*/
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static void Peripheral_LinkEstablished(gapRoleEvent_t *pEvent)
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{
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gapEstLinkReqEvent_t *event = (gapEstLinkReqEvent_t *)pEvent;
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// See if already connected
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if(ancs_conn_list.connHandle != GAP_CONNHANDLE_INIT)
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{
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GAPRole_TerminateLink(pEvent->linkCmpl.connectionHandle);
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PRINT("Connection max...\n");
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}
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else
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{
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ancs_conn_list.connHandle = event->connectionHandle;
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ancs_conn_list.connInterval = event->connInterval;
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ancs_conn_list.connSlaveLatency = event->connLatency;
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ancs_conn_list.connTimeout = event->connTimeout;
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ancs_c.conn = ancs_conn_list.connHandle;
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atomic_set_bit(&ancs_c.state, ANCS_BT_CONNECTED);
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// Set timer for param update event
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tmos_start_task(ancs_taskid, START_PARAM_UPDATE_EVT, DEFAULT_PARAM_UPDATE_DELAY);
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discoveryState = DISC_ANCS_START;
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PRINT("Conn: %d - params: %d %d %d\n", event->connectionHandle,
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event->connInterval, event->connLatency, event->connTimeout);
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}
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}
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/*********************************************************************
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* @fn Peripheral_LinkTerminated
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*
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* @brief Process link terminated.
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*
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* @param pEvent - event to process
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*
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* @return none
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*/
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static void Peripheral_LinkTerminated(gapRoleEvent_t *pEvent)
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{
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gapTerminateLinkEvent_t *event = (gapTerminateLinkEvent_t *)pEvent;
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if(event->connectionHandle == ancs_conn_list.connHandle)
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{
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ancs_conn_list.connHandle = GAP_CONNHANDLE_INIT;
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ancs_conn_list.connInterval = 0;
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ancs_conn_list.connSlaveLatency = 0;
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ancs_conn_list.connTimeout = 0;
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// Restart advertising
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{
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uint8_t advertising_enable = TRUE;
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GAPRole_SetParameter(GAPROLE_ADVERT_ENABLED, sizeof(uint8_t), &advertising_enable);
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}
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ancs_reinit(&ancs_c);
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}
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else
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{
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PRINT("ERR..\n");
|
|
}
|
|
}
|
|
|
|
static void AncsParamUpdateCB(uint16_t connHandle, uint16_t connInterval,
|
|
uint16_t connSlaveLatency, uint16_t connTimeout)
|
|
{
|
|
if(connHandle == ancs_conn_list.connHandle)
|
|
{
|
|
ancs_conn_list.connInterval = connInterval;
|
|
ancs_conn_list.connSlaveLatency = connSlaveLatency;
|
|
ancs_conn_list.connTimeout = connTimeout;
|
|
|
|
PRINT("update: %d - params: %d %d %d\n", connHandle,
|
|
connInterval, connSlaveLatency, connTimeout);
|
|
}
|
|
else
|
|
{
|
|
PRINT("ERR..\n");
|
|
}
|
|
}
|
|
|
|
static void AncsStateNotificationCB(gapRole_States_t newState, gapRoleEvent_t *pEvent)
|
|
{
|
|
switch(newState & GAPROLE_STATE_ADV_MASK)
|
|
{
|
|
case GAPROLE_STARTED:
|
|
PRINT("Initialized..\n");
|
|
break;
|
|
|
|
case GAPROLE_ADVERTISING:
|
|
if(pEvent->gap.opcode == GAP_LINK_TERMINATED_EVENT)
|
|
{
|
|
Peripheral_LinkTerminated(pEvent);
|
|
PRINT("Disconnected.. Reason:%x\n", pEvent->linkTerminate.reason);
|
|
PRINT("Advertising..\n");
|
|
}
|
|
else if(pEvent->gap.opcode == GAP_MAKE_DISCOVERABLE_DONE_EVENT)
|
|
{
|
|
PRINT("Advertising..\n");
|
|
}
|
|
break;
|
|
|
|
case GAPROLE_CONNECTED:
|
|
if(pEvent->gap.opcode == GAP_LINK_ESTABLISHED_EVENT)
|
|
{
|
|
Peripheral_LinkEstablished(pEvent);
|
|
PRINT("Connected..\n");
|
|
}
|
|
break;
|
|
|
|
case GAPROLE_CONNECTED_ADV:
|
|
if(pEvent->gap.opcode == GAP_MAKE_DISCOVERABLE_DONE_EVENT)
|
|
{
|
|
PRINT("Connected Advertising..\n");
|
|
}
|
|
break;
|
|
|
|
case GAPROLE_WAITING:
|
|
if(pEvent->gap.opcode == GAP_END_DISCOVERABLE_DONE_EVENT)
|
|
{
|
|
PRINT("Waiting for advertising..\n");
|
|
}
|
|
else if(pEvent->gap.opcode == GAP_LINK_TERMINATED_EVENT)
|
|
{
|
|
Peripheral_LinkTerminated(pEvent);
|
|
PRINT("Disconnected.. Reason:%x\n", pEvent->linkTerminate.reason);
|
|
}
|
|
else if(pEvent->gap.opcode == GAP_LINK_ESTABLISHED_EVENT)
|
|
{
|
|
if(pEvent->gap.hdr.status != SUCCESS)
|
|
{
|
|
PRINT("Waiting for advertising..\n");
|
|
}
|
|
else
|
|
{
|
|
PRINT("Error..\n");
|
|
}
|
|
}
|
|
else
|
|
{
|
|
PRINT("Error..%x\n", pEvent->gap.opcode);
|
|
}
|
|
break;
|
|
|
|
case GAPROLE_ERROR:
|
|
PRINT("Error..\n");
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*********************************************************************
|
|
* @fn pairStateCB
|
|
*
|
|
* @brief Pairing state callback.
|
|
*
|
|
* @return none
|
|
*/
|
|
static void AncsPairStateCB(uint16_t connHandle, uint8_t state, uint8_t status)
|
|
{
|
|
if(state == GAPBOND_PAIRING_STATE_STARTED)
|
|
{
|
|
PRINT("Pairing started:%d\n", status);
|
|
}
|
|
else if(state == GAPBOND_PAIRING_STATE_COMPLETE)
|
|
{
|
|
if(status == SUCCESS)
|
|
{
|
|
PRINT("Pairing success\n");
|
|
}
|
|
else
|
|
{
|
|
PRINT("Pairing fail\n");
|
|
}
|
|
}
|
|
else if(state == GAPBOND_PAIRING_STATE_BONDED)
|
|
{
|
|
if(status == SUCCESS)
|
|
{
|
|
PRINT("Bonding success\n");
|
|
tmos_set_event(ancs_taskid, START_DISCOVER_EVT);
|
|
}
|
|
}
|
|
else if(state == GAPBOND_PAIRING_STATE_BOND_SAVED)
|
|
{
|
|
if(status == SUCCESS)
|
|
{
|
|
PRINT("Bond save success\n");
|
|
|
|
tmos_set_event(ancs_taskid, START_DISCOVER_EVT);
|
|
}
|
|
else
|
|
{
|
|
PRINT("Bond save failed: %d\n", status);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*********************************************************************
|
|
* @fn centralPasscodeCB
|
|
*
|
|
* @brief Passcode callback.
|
|
*
|
|
* @return none
|
|
*/
|
|
static void AncsPasscodeCB(uint8_t *deviceAddr, uint16_t connectionHandle,
|
|
uint8_t uiInputs, uint8_t uiOutputs)
|
|
{
|
|
uint32_t passcode;
|
|
|
|
// Create random passcode
|
|
passcode = tmos_rand();
|
|
passcode %= 1000000;
|
|
// Display passcode to user
|
|
if(uiOutputs != 0)
|
|
{
|
|
PRINT("Passcode:%06d\n", (int)passcode);
|
|
}
|
|
// Send passcode response
|
|
GAPBondMgr_PasscodeRsp(connectionHandle, SUCCESS, passcode);
|
|
}
|
|
|
|
|
|
|
|
/*********************************************************************
|
|
* @fn centralGATTDiscoveryEvent
|
|
*
|
|
* @brief Process GATT discovery event
|
|
*
|
|
* @return none
|
|
*/
|
|
static void AncsApp_discoverService(gattMsgEvent_t *pMsg)
|
|
{
|
|
|
|
static uint16_t Ancs_svcStartHdl;
|
|
static uint16_t Ancs_svcEndHdl;
|
|
static uint8_t Ancs_endHdlIdx;
|
|
static uint8_t isNotifCCCD = FALSE;
|
|
|
|
switch (discoveryState)
|
|
{
|
|
case DISC_ANCS_START:
|
|
{
|
|
uint8_t uuid[ATT_UUID_SIZE] = {ANCS_SVC_UUID};
|
|
|
|
// Initialize service discovery variables
|
|
Ancs_svcStartHdl = Ancs_svcEndHdl = 0;
|
|
Ancs_endHdlIdx = 0;
|
|
|
|
// Discover ANCS service by UUID
|
|
GATT_DiscPrimaryServiceByUUID(ancs_c.conn, uuid,
|
|
ATT_UUID_SIZE, ancs_taskid);
|
|
|
|
discoveryState = DISC_ANCS_SVC;
|
|
}
|
|
break;
|
|
|
|
case DISC_ANCS_SVC:
|
|
// Service found, store handles
|
|
if (pMsg->method == ATT_FIND_BY_TYPE_VALUE_RSP &&
|
|
pMsg->msg.findByTypeValueRsp.numInfo > 0)
|
|
{
|
|
Ancs_svcStartHdl =
|
|
ATT_ATTR_HANDLE(pMsg->msg.findByTypeValueRsp.pHandlesInfo, 0);
|
|
Ancs_svcEndHdl =
|
|
ATT_GRP_END_HANDLE(pMsg->msg.findByTypeValueRsp.pHandlesInfo, 0);
|
|
}
|
|
|
|
// If procedure complete
|
|
if ((pMsg->method == ATT_FIND_BY_TYPE_VALUE_RSP &&
|
|
pMsg->hdr.status == bleProcedureComplete) ||
|
|
(pMsg->method == ATT_ERROR_RSP))
|
|
{
|
|
// If service found
|
|
if (Ancs_svcStartHdl != 0)
|
|
{
|
|
// Discover all characteristics
|
|
GATT_DiscAllChars(pMsg->connHandle, Ancs_svcStartHdl,
|
|
Ancs_svcEndHdl, ancs_taskid);
|
|
|
|
discoveryState = DISC_ANCS_CHAR;
|
|
}
|
|
else
|
|
{
|
|
// Service not found
|
|
discoveryState = DISC_FAILED;
|
|
PRINT("ANCS SVC not present\n");
|
|
}
|
|
}
|
|
break;
|
|
|
|
case DISC_ANCS_CHAR:
|
|
{
|
|
// Characteristics found, chache them
|
|
uint8_t *pHandleValuePairList;
|
|
uint16_t handle;
|
|
uint16_t uuid;
|
|
if (pMsg->method == ATT_READ_BY_TYPE_RSP &&
|
|
pMsg->msg.readByTypeRsp.numPairs > 0 &&
|
|
pMsg->msg.readByTypeRsp.len == CHAR_DESC_HDL_UUID128_LEN)
|
|
{
|
|
pHandleValuePairList = pMsg->msg.readByTypeRsp.pDataList;
|
|
uint8_t i;
|
|
// For each handle value pair in the list of chars in ANCS service
|
|
for (i = pMsg->msg.readByTypeRsp.numPairs; i > 0; i--)
|
|
{
|
|
// Parse characteristic declaration
|
|
handle = BUILD_UINT16(pHandleValuePairList[3],
|
|
pHandleValuePairList[4]);
|
|
uuid = BUILD_UINT16(pHandleValuePairList[5],
|
|
pHandleValuePairList[6]);
|
|
|
|
// If looking for end handle
|
|
if (Ancs_endHdlIdx != 0)
|
|
{
|
|
// End handle is characteristic declaration handle - 1
|
|
Ancs_handleCache[Ancs_endHdlIdx] =
|
|
BUILD_UINT16(pHandleValuePairList[0],
|
|
pHandleValuePairList[1]) - 1;
|
|
|
|
Ancs_endHdlIdx = 0;
|
|
}
|
|
|
|
// If UUID is of interest, cache handle
|
|
switch (uuid)
|
|
{
|
|
case ANCS_NOTIF_SRC_CHAR_UUID:
|
|
ancs_c.handle_ns = handle;
|
|
Ancs_handleCache[HDL_ANCS_NTF_NOTIF_START] = handle;
|
|
Ancs_endHdlIdx = HDL_ANCS_NTF_NOTIF_END;
|
|
break;
|
|
|
|
case ANCS_CTRL_PT_CHAR_UUID:
|
|
ancs_c.handle_cp = handle;
|
|
Ancs_handleCache[HDL_ANCS_CTRL_PT_START] = handle;
|
|
Ancs_endHdlIdx = HDL_ANCS_CTRL_PT_END;
|
|
break;
|
|
|
|
case ANCS_DATA_SRC_CHAR_UUID:
|
|
ancs_c.handle_ds = handle;
|
|
Ancs_handleCache[HDL_ANCS_DATA_SRC_START] = handle;
|
|
Ancs_endHdlIdx = HDL_ANCS_DATA_SRC_END;
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
pHandleValuePairList += CHAR_DESC_HDL_UUID128_LEN;
|
|
}
|
|
}
|
|
|
|
// If procedure complete
|
|
if ((pMsg->method == ATT_READ_BY_TYPE_RSP &&
|
|
pMsg->hdr.status == bleProcedureComplete) ||
|
|
(pMsg->method == ATT_ERROR_RSP))
|
|
{
|
|
// Special case of end handle at end of service
|
|
if (Ancs_endHdlIdx != 0)
|
|
{
|
|
Ancs_handleCache[Ancs_endHdlIdx] = Ancs_svcEndHdl;
|
|
Ancs_endHdlIdx = 0;
|
|
}
|
|
|
|
// If notification source char is missing, there is something wrong
|
|
if (Ancs_handleCache[HDL_ANCS_NTF_NOTIF_START] == 0)
|
|
{
|
|
PRINT("Notif src not found\n");
|
|
discoveryState = DISC_FAILED;
|
|
}
|
|
else if (Ancs_handleCache[HDL_ANCS_NTF_NOTIF_START] <
|
|
Ancs_handleCache[HDL_ANCS_NTF_NOTIF_END])
|
|
{
|
|
// Discover ANCS Notification Source CCCD
|
|
GATT_DiscAllCharDescs(pMsg->connHandle,
|
|
Ancs_handleCache[HDL_ANCS_NTF_NOTIF_START] + 1,
|
|
Ancs_handleCache[HDL_ANCS_NTF_NOTIF_END],
|
|
ancs_taskid);
|
|
isNotifCCCD = TRUE;
|
|
discoveryState = DISC_ANCS_CCCD;
|
|
}
|
|
else
|
|
{
|
|
PRINT("CCCD missing\n");
|
|
// Missing required characteristic descriptor
|
|
Ancs_handleCache[HDL_ANCS_NTF_NOTIF_START] = 0;
|
|
discoveryState = DISC_FAILED;
|
|
}
|
|
}
|
|
// Discover all characteristics of ANCS service until end handle
|
|
else
|
|
{
|
|
GATT_DiscAllChars(pMsg->connHandle, handle+1,
|
|
Ancs_svcEndHdl, ancs_taskid);
|
|
|
|
}
|
|
|
|
}
|
|
break;
|
|
|
|
case DISC_ANCS_CCCD:
|
|
{
|
|
// Characteristic descriptors found
|
|
if (pMsg->method == ATT_FIND_INFO_RSP &&
|
|
pMsg->msg.findInfoRsp.numInfo > 0 &&
|
|
pMsg->msg.findInfoRsp.format == 0x01)
|
|
{
|
|
uint8_t i;
|
|
// For each handle/uuid pair
|
|
for (i = 0; i < pMsg->msg.findInfoRsp.numInfo; i++)
|
|
{
|
|
// Look for CCCD
|
|
if (ATT_BT_PAIR_UUID(pMsg->msg.findInfoRsp.pInfo, i) ==
|
|
GATT_CLIENT_CHAR_CFG_UUID)
|
|
{
|
|
// CCCD found
|
|
// if it is Notification Source CCCD
|
|
if (isNotifCCCD == TRUE)
|
|
{
|
|
ancs_c.handle_ns_ccc =
|
|
ATT_BT_PAIR_HANDLE(pMsg->msg.findInfoRsp.pInfo, i);
|
|
Ancs_handleCache[HDL_ANCS_NTF_CCCD] =
|
|
ATT_BT_PAIR_HANDLE(pMsg->msg.findInfoRsp.pInfo, i);
|
|
}
|
|
// else it is Data Source CCCD
|
|
else
|
|
{
|
|
ancs_c.handle_ds_ccc =
|
|
ATT_BT_PAIR_HANDLE(pMsg->msg.findInfoRsp.pInfo, i);
|
|
Ancs_handleCache[HDL_ANCS_DATA_SRC_CCCD] =
|
|
ATT_BT_PAIR_HANDLE(pMsg->msg.findInfoRsp.pInfo, i);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// If procedure complete
|
|
if ((pMsg->method == ATT_FIND_INFO_RSP &&
|
|
pMsg->hdr.status == bleProcedureComplete) ||
|
|
(pMsg->method == ATT_ERROR_RSP))
|
|
{
|
|
// Discover ANCS Data Source characteristic descriptors
|
|
if (isNotifCCCD == TRUE &&
|
|
Ancs_handleCache[HDL_ANCS_DATA_SRC_CCCD] == 0)
|
|
{
|
|
GATT_DiscAllCharDescs(pMsg->connHandle,
|
|
Ancs_handleCache[HDL_ANCS_DATA_SRC_START] + 1,
|
|
Ancs_handleCache[HDL_ANCS_DATA_SRC_END],
|
|
ancs_taskid);
|
|
|
|
isNotifCCCD = FALSE;
|
|
|
|
}
|
|
else
|
|
{
|
|
discoveryState = DISC_IDLE;
|
|
atomic_set_bit(&ancs_c.state, ANCS_BT_DISCOVERY_COMPLETE);
|
|
PRINT("discover complete\n");
|
|
tmos_set_event(ancs_taskid, START_SUBSCRIPE_NOTIDATA_EVT);
|
|
tmos_set_event(ancs_taskid, START_SUBSCRIPE_NOTISRC_EVT);
|
|
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
/************************ endfile @ central **************************/
|