/* card10:
* Copied from lib/sdk/Libraries/BTLE/stack/ble-profiles/sources/apps/fit/fit_main.c
*
* Also have a look at lib/sdk/Applications/EvKitExamples/BLE_fit/fit_main.c which has some changes
* to this file regarding handling of OOB paring data
*
* This file contains some application logic taken from the "fit" example.
*
* Things have been renamed:
* fit -> ble
* Fit -> Ble
* FIT -> BLE
*/
/* clang-format off */
/* clang-formet turned off for easier diffing against orginal file */
#include <string.h>
#include "wsf_types.h"
#include "util/bstream.h"
#include "wsf_msg.h"
#include "wsf_trace.h"
#include "hci_api.h"
#include "dm_api.h"
#include "att_api.h"
#include "smp_api.h"
#include "app_api.h"
#include "app_db.h"
#include "app_ui.h"
#include "app_hw.h"
#include "svc_ch.h"
#include "svc_core.h"
#include "svc_hrs.h"
#include "svc_dis.h"
#include "svc_batt.h"
#include "svc_rscs.h"
#include "bas/bas_api.h"
#include "hrps/hrps_api.h"
#include "rscp/rscp_api.h"
/**************************************************************************************************
Macros
**************************************************************************************************/
/*! WSF message event starting value */
#define BLE_MSG_START 0xA0
/*! WSF message event enumeration */
enum
{
BLE_BATT_TIMER_IND = BLE_MSG_START, /*! Battery measurement timer expired */
};
/**************************************************************************************************
Data Types
**************************************************************************************************/
/*! Application message type */
typedef union
{
wsfMsgHdr_t hdr;
dmEvt_t dm;
attsCccEvt_t ccc;
attEvt_t att;
} bleMsg_t;
/**************************************************************************************************
Configurable Parameters
**************************************************************************************************/
/*! configurable parameters for advertising */
static const appAdvCfg_t bleAdvCfg =
{
{0, 0, 0}, /*! Advertising durations in ms */
{500/0.625, 4000/0.625, 0} /*! Advertising intervals in 0.625 ms units */
};
/*! configurable parameters for slave */
static const appSlaveCfg_t bleSlaveCfg =
{
1, /*! Maximum connections */
};
/*! configurable parameters for security */
static const appSecCfg_t bleSecCfg =
{
DM_AUTH_BOND_FLAG | DM_AUTH_SC_FLAG, /*! Authentication and bonding flags */
0, /*! Initiator key distribution flags */
DM_KEY_DIST_LTK, /*! Responder key distribution flags */
FALSE, /*! TRUE if Out-of-band pairing data is present */
TRUE /*! TRUE to initiate security upon connection */
};
/*! configurable parameters for connection parameter update */
static const appUpdateCfg_t bleUpdateCfg =
{
6000, /*! Connection idle period in ms before attempting
connection parameter update; set to zero to disable */
800/1.25, /*! Minimum connection interval in 1.25ms units */
1000/1.25, /*! Maximum connection interval in 1.25ms units */
0, /*! Connection latency */
9000/10, /*! Supervision timeout in 10ms units */
5 /*! Number of update attempts before giving up */
};
/*! battery measurement configuration */
static const basCfg_t bleBasCfg =
{
30, /*! Battery measurement timer expiration period in seconds */
1, /*! Perform battery measurement after this many timer periods */
100 /*! Send battery level notification to peer when below this level. */
};
/*! SMP security parameter configuration */
static const smpCfg_t bleSmpCfg =
{
3000, /*! 'Repeated attempts' timeout in msec */
SMP_IO_DISP_YES_NO, /*! I/O Capability */
7, /*! Minimum encryption key length */
16, /*! Maximum encryption key length */
3, /*! Attempts to trigger 'repeated attempts' timeout */
DM_AUTH_MITM_FLAG, /*! Device authentication requirements */
};
/**************************************************************************************************
Advertising Data
**************************************************************************************************/
/*! advertising data, discoverable mode */
static const uint8_t bleAdvDataDisc[] =
{
/*! flags */
2, /*! length */
DM_ADV_TYPE_FLAGS, /*! AD type */
DM_FLAG_LE_GENERAL_DISC | /*! flags */
DM_FLAG_LE_BREDR_NOT_SUP,
/*! tx power */
2, /*! length */
DM_ADV_TYPE_TX_POWER, /*! AD type */
0, /*! tx power */
/*! service UUID list */
5, /*! length */
DM_ADV_TYPE_16_UUID, /*! AD type */
UINT16_TO_BYTES(ATT_UUID_DEVICE_INFO_SERVICE),
UINT16_TO_BYTES(ATT_UUID_BATTERY_SERVICE)
};
/*! scan data, discoverable mode */
static const uint8_t bleScanDataDisc[] =
{
/*! device name */
7, /*! length */
DM_ADV_TYPE_LOCAL_NAME, /*! AD type */
'c','a','r','d','1','0'
};
/**************************************************************************************************
Client Characteristic Configuration Descriptors
**************************************************************************************************/
/*! enumeration of client characteristic configuration descriptors */
enum
{
BLE_GATT_SC_CCC_IDX, /*! GATT service, service changed characteristic */
BLE_BATT_LVL_CCC_IDX, /*! Battery service, battery level characteristic */
BLE_NUM_CCC_IDX
};
/*! client characteristic configuration descriptors settings, indexed by above enumeration */
static const attsCccSet_t bleCccSet[BLE_NUM_CCC_IDX] =
{
/* cccd handle value range security level */
{GATT_SC_CH_CCC_HDL, ATT_CLIENT_CFG_INDICATE, DM_SEC_LEVEL_NONE}, /* BLE_GATT_SC_CCC_IDX */
{BATT_LVL_CH_CCC_HDL, ATT_CLIENT_CFG_NOTIFY, DM_SEC_LEVEL_NONE}, /* BLE_BATT_LVL_CCC_IDX */
};
/**************************************************************************************************
Global Variables
**************************************************************************************************/
/*! WSF handler ID */
wsfHandlerId_t bleHandlerId;
static void BleHandler(wsfEventMask_t event, wsfMsgHdr_t *pMsg);
/*************************************************************************************************/
/*!
* \brief Application DM callback.
*
* \param pDmEvt DM callback event
*
* \return None.
*/
/*************************************************************************************************/
static void bleDmCback(dmEvt_t *pDmEvt)
{
dmEvt_t *pMsg;
uint16_t len;
len = DmSizeOfEvt(pDmEvt);
if ((pMsg = WsfMsgAlloc(len)) != NULL)
{
memcpy(pMsg, pDmEvt, len);
WsfMsgSend(bleHandlerId, pMsg);
}
}
/*************************************************************************************************/
/*!
* \brief Application ATT callback.
*
* \param pEvt ATT callback event
*
* \return None.
*/
/*************************************************************************************************/
static void bleAttCback(attEvt_t *pEvt)
{
attEvt_t *pMsg;
if ((pMsg = WsfMsgAlloc(sizeof(attEvt_t) + pEvt->valueLen)) != NULL)
{
memcpy(pMsg, pEvt, sizeof(attEvt_t));
pMsg->pValue = (uint8_t *) (pMsg + 1);
memcpy(pMsg->pValue, pEvt->pValue, pEvt->valueLen);
WsfMsgSend(bleHandlerId, pMsg);
}
}
/*************************************************************************************************/
/*!
* \brief Application ATTS client characteristic configuration callback.
*
* \param pDmEvt DM callback event
*
* \return None.
*/
/*************************************************************************************************/
static void bleCccCback(attsCccEvt_t *pEvt)
{
attsCccEvt_t *pMsg;
appDbHdl_t dbHdl;
/* if CCC not set from initialization and there's a device record */
if ((pEvt->handle != ATT_HANDLE_NONE) &&
((dbHdl = AppDbGetHdl((dmConnId_t) pEvt->hdr.param)) != APP_DB_HDL_NONE))
{
/* store value in device database */
AppDbSetCccTblValue(dbHdl, pEvt->idx, pEvt->value);
}
if ((pMsg = WsfMsgAlloc(sizeof(attsCccEvt_t))) != NULL)
{
memcpy(pMsg, pEvt, sizeof(attsCccEvt_t));
WsfMsgSend(bleHandlerId, pMsg);
}
}
/*************************************************************************************************/
/*!
* \brief Process CCC state change.
*
* \param pMsg Pointer to message.
*
* \return None.
*/
/*************************************************************************************************/
static void bleProcCccState(bleMsg_t *pMsg)
{
APP_TRACE_INFO3("ccc state ind value:%d handle:%d idx:%d", pMsg->ccc.value, pMsg->ccc.handle, pMsg->ccc.idx);
/* handle battery level CCC */
if (pMsg->ccc.idx == BLE_BATT_LVL_CCC_IDX)
{
if (pMsg->ccc.value == ATT_CLIENT_CFG_NOTIFY)
{
BasMeasBattStart((dmConnId_t) pMsg->ccc.hdr.param, BLE_BATT_TIMER_IND, BLE_BATT_LVL_CCC_IDX);
}
else
{
BasMeasBattStop((dmConnId_t) pMsg->ccc.hdr.param);
}
return;
}
}
/*************************************************************************************************/
/*!
* \brief Perform UI actions on connection close.
*
* \param pMsg Pointer to message.
*
* \return None.
*/
/*************************************************************************************************/
static void bleClose(bleMsg_t *pMsg)
{
/* stop battery measurement */
BasMeasBattStop((dmConnId_t) pMsg->hdr.param);
}
/*************************************************************************************************/
/*!
* \brief Set up advertising and other procedures that need to be performed after
* device reset.
*
* \param pMsg Pointer to message.
*
* \return None.
*/
/*************************************************************************************************/
static void bleSetup(bleMsg_t *pMsg)
{
/* set advertising and scan response data for discoverable mode */
AppAdvSetData(APP_ADV_DATA_DISCOVERABLE, sizeof(bleAdvDataDisc), (uint8_t *) bleAdvDataDisc);
AppAdvSetData(APP_SCAN_DATA_DISCOVERABLE, sizeof(bleScanDataDisc), (uint8_t *) bleScanDataDisc);
/* set advertising and scan response data for connectable mode */
AppAdvSetData(APP_ADV_DATA_CONNECTABLE, 0, NULL);
AppAdvSetData(APP_SCAN_DATA_CONNECTABLE, 0, NULL);
/* start advertising; automatically set connectable/discoverable mode and bondable mode */
AppAdvStart(APP_MODE_AUTO_INIT);
}
/*************************************************************************************************/
/*!
* \brief Process messages from the event handler.
*
* \param pMsg Pointer to message.
*
* \return None.
*/
/*************************************************************************************************/
static void bleProcMsg(bleMsg_t *pMsg)
{
uint8_t uiEvent = APP_UI_NONE;
switch(pMsg->hdr.event)
{
case BLE_BATT_TIMER_IND:
BasProcMsg(&pMsg->hdr);
break;
case ATTS_HANDLE_VALUE_CNF:
BasProcMsg(&pMsg->hdr);
break;
case ATTS_CCC_STATE_IND:
bleProcCccState(pMsg);
break;
case DM_RESET_CMPL_IND:
DmSecGenerateEccKeyReq();
bleSetup(pMsg);
uiEvent = APP_UI_RESET_CMPL;
break;
case DM_ADV_START_IND:
uiEvent = APP_UI_ADV_START;
break;
case DM_ADV_STOP_IND:
uiEvent = APP_UI_ADV_STOP;
break;
case DM_CONN_OPEN_IND:
BasProcMsg(&pMsg->hdr);
uiEvent = APP_UI_CONN_OPEN;
break;
case DM_CONN_CLOSE_IND:
bleClose(pMsg);
uiEvent = APP_UI_CONN_CLOSE;
break;
case DM_SEC_PAIR_CMPL_IND:
uiEvent = APP_UI_SEC_PAIR_CMPL;
break;
case DM_SEC_PAIR_FAIL_IND:
uiEvent = APP_UI_SEC_PAIR_FAIL;
break;
case DM_SEC_ENCRYPT_IND:
uiEvent = APP_UI_SEC_ENCRYPT;
break;
case DM_SEC_ENCRYPT_FAIL_IND:
uiEvent = APP_UI_SEC_ENCRYPT_FAIL;
break;
case DM_SEC_AUTH_REQ_IND:
AppHandlePasskey(&pMsg->dm.authReq);
break;
case DM_SEC_ECC_KEY_IND:
DmSecSetEccKey(&pMsg->dm.eccMsg.data.key);
break;
case DM_SEC_COMPARE_IND:
AppHandleNumericComparison(&pMsg->dm.cnfInd);
break;
case DM_HW_ERROR_IND:
uiEvent = APP_UI_HW_ERROR;
break;
default:
break;
}
if (uiEvent != APP_UI_NONE)
{
AppUiAction(uiEvent);
}
}
/*************************************************************************************************/
/*!
* \brief Application handler init function called during system initialization.
*
* \param handlerID WSF handler ID.
*
* \return None.
*/
/*************************************************************************************************/
static void BleHandlerInit(void)
{
APP_TRACE_INFO0("BleHandlerInit");
/* store handler ID */
bleHandlerId =WsfOsSetNextHandler(BleHandler);
/* Set configuration pointers */
pAppAdvCfg = (appAdvCfg_t *) &bleAdvCfg;
pAppSlaveCfg = (appSlaveCfg_t *) &bleSlaveCfg;
pAppSecCfg = (appSecCfg_t *) &bleSecCfg;
pAppUpdateCfg = (appUpdateCfg_t *) &bleUpdateCfg;
/* Initialize application framework */
AppSlaveInit();
/* Set stack configuration pointers */
pSmpCfg = (smpCfg_t *) &bleSmpCfg;
/* initialize battery service server */
BasInit(bleHandlerId, (basCfg_t *) &bleBasCfg);
}
/*************************************************************************************************/
/*!
* \brief WSF event handler for application.
*
* \param event WSF event mask.
* \param pMsg WSF message.
*
* \return None.
*/
/*************************************************************************************************/
static void BleHandler(wsfEventMask_t event, wsfMsgHdr_t *pMsg)
{
if (pMsg != NULL)
{
APP_TRACE_INFO1("Ble got evt %d", pMsg->event);
if (pMsg->event >= DM_CBACK_START && pMsg->event <= DM_CBACK_END)
{
/* process advertising and connection-related messages */
AppSlaveProcDmMsg((dmEvt_t *) pMsg);
/* process security-related messages */
AppSlaveSecProcDmMsg((dmEvt_t *) pMsg);
}
/* perform profile and user interface-related operations */
bleProcMsg((bleMsg_t *) pMsg);
}
}
/*************************************************************************************************/
/*!
* \brief Start the application.
*
* \return None.
*/
/*************************************************************************************************/
void BleStart(void)
{
BleHandlerInit();
/* Register for stack callbacks */
DmRegister(bleDmCback);
DmConnRegister(DM_CLIENT_ID_APP, bleDmCback);
AttRegister(bleAttCback);
AttConnRegister(AppServerConnCback);
AttsCccRegister(BLE_NUM_CCC_IDX, (attsCccSet_t *) bleCccSet, bleCccCback);
/* Initialize attribute server database */
SvcCoreAddGroup();
SvcDisAddGroup(); // Device Information Service
SvcBattCbackRegister(BasReadCback, NULL);
SvcBattAddGroup();
/* Reset the device */
DmDevReset();
}
/* clang-format on */