cgm.c File Reference

This file contains the CGM sensor simulator application for use with the CC2540 Bluetooth Low Energy Protocol Stack. More...

#include "bcomdef.h"
#include "OSAL.h"
#include "OSAL_PwrMgr.h"
#include "OnBoard.h"
#include "hal_adc.h"
#include "hal_led.h"
#include "hal_key.h"
#include "gatt.h"
#include "hci.h"
#include "gapgattserver.h"
#include "gattservapp.h"
#include "gatt_profile_uuid.h"
#include "linkdb.h"
#include "peripheral.h"
#include "gapbondmgr.h"
#include "cgmservice.h"
#include "devinfoservice.h"
#include "cgm.h"
#include "OSAL_Clock.h"
#include "battservice.h"
#include "cgmsimdata.h"
#include "crc.h"

Include dependency graph for cgm.c:

Data Structures
struct	cgmMeasC_t
	Container for CGM measurement result data. More...
struct	cgmFeature_t
	Container for the CGM support feature characteristic. More...
struct	cgmStatus_t
	Container for the CGM sensor status characteristic. More...
struct	cgmSessionStartTime_t
	Container for the CGM session start time characteristic. More...
struct	cgmCtlPntMsg_t
	The container for receiving CGMCP data message from the CGM service layer. More...
struct	cgmRACPMsg_t
	The container for receiving RACP data message from the CGM service layer. More...

Macros
#define	SFLOAT   uint16
	Using a unsigned 16bit integer to store a SFLOAT. More...
#define	FEATURE_GLUCOSE_CALIBRATION   0
	The glucose calibration feature. More...
#define	FEATURE_GLUCOSE_PATIENTHIGHLOW   0
	The patient set high/low alert feature. More...
#define	FEATURE_GLUCOSE_HYPERALERT   0
	The hyperglycemia alert feature. More...
#define	FEATURE_GLUCOSE_HYPOALERT   0
	The hypoglycemia alert feature. More...
#define	FEATURE_GLUCOSE_RATEALERT   0
	The rate of increase/decrease alert feature. More...
#define	FEATURE_GLUCOSE_QUALITY   0
	The CGM supports quality indication. More...
#define	FEATURE_GLUCOSE_CRC   1
	The E2E-CRC support. More...
#define	FEATURE_GLUCOSE_DEVICE_ALERT   1
	The device alert support. More...
#define	FEATURE_GLUCOSE_TREND   1
#define	DEFAULT_FAST_ADV_INTERVAL   32
	Fast advertising interval in 625us units. More...
#define	DEFAULT_FAST_ADV_DURATION   30
	Duration of fast advertising duration in sec. More...
#define	DEFAULT_SLOW_ADV_INTERVAL   1600
	Slow advertising interval in 625us units. More...
#define	DEFAULT_SLOW_ADV_DURATION   30
	Duration of slow advertising duration in sec. More...
#define	DEFAULT_ENABLE_UPDATE_REQUEST   TRUE
	Whether to enable automatic parameter update request when a connection is formed. More...
#define	DEFAULT_DESIRED_MIN_CONN_INTERVAL   200
	Minimum connection interval (units of 1.25ms) if automatic parameter update request is enabled. More...
#define	DEFAULT_DESIRED_MAX_CONN_INTERVAL   1600
	Maximum connection interval (units of 1.25ms) if automatic parameter update request is enabled. More...
#define	DEFAULT_DESIRED_SLAVE_LATENCY   1
	Slave latency to use if automatic parameter update request is enabled. More...
#define	DEFAULT_DESIRED_CONN_TIMEOUT   1000
#define	DEFAULT_PASSCODE   19655
	Default passcode. More...
#define	DEFAULT_PAIRING_MODE   GAPBOND_PAIRING_MODE_NO_PAIRING
#define	DEFAULT_MITM_MODE   FALSE
	Default MITM mode (TRUE to require passcode or OOB when pairing) More...
#define	DEFAULT_BONDING_MODE   FALSE
	Default bonding mode, TRUE to bond. More...
#define	DEFAULT_IO_CAPABILITIES   GAPBOND_IO_CAP_DISPLAY_ONLY
#define	DEFAULT_NOTI_PERIOD   1000

Functions
static void	cgmPairStateCB (uint16 connHandle, uint8 state, uint8 status)
	Pairing state callback. More...
static void	cgmPasscodeCB (uint8 *deviceAddr, uint16 connectionHandle, uint8 uiInputs, uint8 uiOutputs)
	Passcode callback. More...
static void	cgmGapStateCB (gaprole_States_t newState)
	Notification from the profile of a state change. More...
static void	cgm_HandleKeys (uint8 shift, uint8 keys)
	Handles all key events for this device. More...
static uint8	cgmVerifyTime (UTCTimeStruct *pTime)
	Verify time values are suitable for filtering. More...
static uint8	cgmVerifyTimeZone (int8 input)
	Verify time zone values are compliant to the standard. More...
static uint8	cgmVerifyDSTOffset (uint8 input)
	Verify the daylight saving time input is compliant to the standard. More...
static void	cgmCtlPntResponse (uint8 opcode, uint8 *roperand, uint8 roperand_len)
	Send a record control point response. More...
static void	cgmProcessCtlPntMsg (cgmCtlPntMsg_t *pMsg)
	Process Control Point messages. More...
static uint8	cgmSearchMeasDB (uint8 filter, uint16 operand1, uint16 operand2)
	This function implements the search function for the gluocose measurement. More...
static void	cgmAddRecord (cgmMeasC_t *cgmCurrentMeas)
	Add record to the database. More...
static void	cgmProcessRACPMsg (cgmRACPMsg_t *pMsg)
	Record Access Control Point messages processing. More...
static void	cgmRACPSendNextMeas ()
	As part of the RACP operation, this function sends the set of historical measurement data to the collector APP sequencially. The resulting record would be received by the collector through the glucose measurement characteristic notification. More...
static void	cgmResetMeasDB ()
	Reset the cgm measurement history database. More...
static uint8	cgmRACPClearRecord (uint8 startindx, uint8 endindx, uint16 count)
	The function to delete a block of entries from the measurement database. More...
static void	cgmMeasSend (void)
	Send the most current record stored in cgmCurrentMeas as a GATT notification to the CGM measurement characteristic. More...
static void	cgmNewGlucoseMeas (cgmMeasC_t *pMeas)
	Update with the lastest reading while updating the internal database. More...
static void	cgmservice_cb (uint8 event, uint8 *valueP, uint8 *len, uint8 *result)
	The callback function in the application layer when the GATT service layer receives read/write operation to one of the CGM service characteristic. More...
static void	cgmSimulationAppInit ()
	Initialize the CGM simulator application. Reset the historical database. More...
static void	cgm_ProcessOSALMsg (osal_event_hdr_t *pMsg)
	Process an incoming task message. More...
static int8	cgmCtlPntMsgFindCRC (cgmCtlPntMsg_t *pMsg)
	This function checks the presence of the CRC field in the CGMCP command. More...
static int8	cgmRACPMsgFindCRC (cgmRACPMsg_t *pMsg)
	This function checks the presence of the CRC field in the RACP command. More...
void	CGM_Init (uint8 task_id)
	Initialization function for the CGM App Task. More...
uint16	CGM_ProcessEvent (uint8 task_id, uint16 events)
	CGM Application Task event processor. This function is called to process all events for the task. Events include timers, messages and any other user defined events. More...

Variables
uint8	cgmTaskId
	The container for holding a glucose calibration structure. More...
uint16	gapConnHandle
	Local version of the GAP connection handle. More...
static gaprole_States_t	gapProfileState = GAPROLE_INIT
static uint8	scanData []
	GAP Profile - Name attribute for SCAN RSP data. More...
static uint8	advertData []
	Define the Advertizing data. More...
static uint8	attDeviceName [GAP_DEVICE_NAME_LEN] = "CGM Simulator"
	The device name variable. More...
static bool	cgmBonded = FALSE
	Local variable storing the current bonding stage of the sensor. More...
static uint8	cgmBondedAddr [B_ADDR_LEN]
	Local variable storing the address of the bonded peer. More...
static bool	cgmAdvCancelled = FALSE
static attHandleValueInd_t	cgmCtlPntRsp
static attHandleValueNoti_t	CGMMeas
static attHandleValueInd_t	cgmRACPRsp
static attHandleValueNoti_t	cgmRACPRspNoti
static cgmFeature_t	cgmFeature
static uint16	cgmCommInterval =1000
static cgmStatus_t	cgmStatus ={0x1234,0x000000}
static cgmSessionStartTime_t	cgmStartTime ={{0,0,0,0,0,2000},TIME_ZONE_UTC_M5,DST_STANDARD_TIME}
static cgmMeasC_t	cgmCurrentMeas
	ingroup glucosemeasgrp More...
static UTCTime	cgmCurrentTime_UTC
	The UTC format of the current system time. Appear as the number of seconds from 2000-01-01-00:00:00. More...
static UTCTime	cgmStartTime_UTC
	The UTC format of the start time. Appear as the number of seconds from 2000-01-01-00:00:00. More...
static uint16	cgmTimeOffset
	The time offset from the session start time. More...
static uint16	cgmSessionRunTime =0x00A8
	The run time of the current sensor. Default value is 7 days. More...
static bool	cgmSessionStartIndicator =false
	Indicate whether the sesstion has been started. More...
static bool	cgmStartTimeConfigIndicator =false
static cgmMeasC_t *	cgmMeasDB
	Pointer to the glucose measurement history database. More...
static uint8	cgmMeasDBWriteIndx
	Hold the array index of the next place to write record. More...
static uint8	cgmMeasDBCount
	The number of records being stored into the database. More...
static uint8	cgmMeasDBOldestIndx
	The index pointing to the oldest record in the database. More...
static uint8	cgmMeasDBSearchStart
	The starting index records meeting the search criterion. More...
static uint8	cgmMeasDBSearchEnd
	The ending index of records meeting the search criterion. More...
static uint16	cgmMeasDBSearchNum
	The resulting record number that matches the criterion. More...
static uint8	cgmMeasDBSendIndx
static gapRolesCBs_t	cgm_PeripheralCBs
static const gapBondCBs_t	cgmBondCB
	Bond Manager Callbacks. More...

Detailed Description

This file contains the CGM sensor simulator application for use with the CC2540 Bluetooth Low Energy Protocol Stack.

Author

Harry Qiu

Version

2

Date

2015-Feb-12

Version

2

Copyright

MIT License (MIT)
Copyright (c) 2014-2015 Center for Global ehealthinnovation

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Macro Definition Documentation

#define SFLOAT   uint16

Using a unsigned 16bit integer to store a SFLOAT.

Function Documentation

static void cgmRACPSendNextMeas ( )

static

As part of the RACP operation, this function sends the set of historical measurement data to the collector APP sequencially. The resulting record would be received by the collector through the glucose measurement characteristic notification.

Returns

none

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Variable Documentation

gapRolesCBs_t cgm_PeripheralCBs

static

Initial value:

=
{
    cgmGapStateCB,      
    NULL                    
}

cgmMeasC_t cgmCurrentMeas

static

ingroup glucosemeasgrp

Local variable storing the most current glucose estimate.