VeriFone MX800 Series - Svcgetinq()

VeriFone MX800 Series

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SERVICE FUNCTIONS

svcGetInQ()

170 M

X

800 SERIES PROGRAMMERS GUIDE

svcGetInQ()

The svcGetInQ() function returns the number of bytes pending in the port’s

input queue.

Prototype

int svcGetInQ(int inFd)

Parameters

inFd The file descriptor associated with the open port device.

Table of Contents

Default Chapter3
- Table of Contents3
- Acronyms, Abbreviations, and Definitions11
Hapter11
- Modifications to this Document11
Scope11
- Conventions Used in this Document12
  - Recommended LINUX Books12
Hapter13
- Operating System and Firmware13
  - C Compiler and Tools13
Overview of Product Deliverables13
- Environment/Configuration Variables15
  - File Format Details15
Hapter15
- Getenvfile19
- Putenvfile20
  - System Configuration Variables21
  - Chapter21
- Getsysctl()24
- Putsysctl()25
- Downloading26
  - Downloaded Notes27
- Syslog Messages26
  - Remote Logging26
- File Authentication and Certificates28
- Package Management28
  - Building Ipkgs29
  - Installing Ipkgs31
- Device Drivers for the M33
File Systems15
File Compression15
Hapter33
- Magnetic Stripe Reader34
  - Msropen35
  - Msrread36
  - Msrwrite38
  - Msrmagneticcardpresent39
  - Msrraw40
  - Msrstructured41
  - Msrenablelicensedecode42
  - Msrdisablelicensedecode43
  - Msrversion()44
  - Msrclose45
- Internal PIN Pad46
  - Int Ippopen(Void)47
  - Int Ippclose(Void)48
  - Int Ippread(Char *Buffer, Int Size)49
    - Note on the PIN Session Timeout49
  - Int Ippwrite(Char *Buffer, Int Size)50
  - Setsecurepindisplayparameters()51
  - Int Ipppinentrystatus(Int *Count, Int *Lastnonnumerickey)54
  - Ippterminatepinentry()55
- IPP Differences56
- References57
  - IPP Specification57
  - GISKE Specification57
- Security Module57
- Verishield Security Scripts Apis57
  - Ips_Deletekeys()59
  - Ips_Loadsysclearkey()60
  - Ips_Loadsysenckey()61
  - Ips_Loadmasterclearkey()62
  - Ips_Loadmasterenckey()63
  - Ips_Checkmasterkey()64
- Setsecurepindisplayparameters()65
  - Ips_Setpinparameter()66
  - Ips_Selectpinalgo()68
  - Ips_Requestpinentry()69
  - Ips_Getpinresponse()70
  - Ips_Cancelpin()73
  - Ips_Installscript()74
  - Ips_Getscriptstatus()75
  - Ips_Uninstallscript()76
  - Ips_Executescript()77
  - Pcps_Getvssversion()79
- Security Services Apis80
  - Cryptowrite()81
  - Cryptoread()82
  - Rsa_Calc()83
  - Sha1()84
  - Des()85
  - Aes()86
  - Generaterandom()87
  - Isattacked()88
  - Secversion()89
  - Authfile()90
  - Loadosfiles()91
- Delta Smartcard Interface / Cardslot92
- Serial Ports and Protocols92
- Serial Communication Control Structure93
  - Protocol93
  - Trailer94
  - Packet_Parms94
- Packet Mode94
  - Initialize Packet Mode95
  - Endpktmode()96
  - Receiving Packet Messages97
- COM Ports on the M 800 Series of Terminals98
  - Com198
  - Com299
  - Com399
  - COM4 - Optional I/O Module100
  - Com5100
- IBM ECR Tailgate & Feature C100
  - Ecropen101
  - Ecrread102
  - Ecrreadreject103
  - Ecrstatus104
  - Ecrwrite109
  - Ecrclose110
  - Ecrdownload111
  - Ecrdnldcancel()113
- Signals114
- ECR Environment Variables116
  - I4683116
  - O4683116
  - A4683117
  - P4683117
  - L4683117
  - S4683118
  - V4683118
  - G4683118
- Downloading Files from the ECR119
- Touch Panel / Signature Capture/Tiff120
  - Touchcmd()121
  - Touchcompnsave()122
  - Signature Capture123
  - Sigcapcount()124
  - Sigcapget()125
  - Sigcapboxapply()126
- Tiff Api127
  - Int Sigcap2Tiff()128
- Display130
  - Dspsetbrightness()131
- Audio / Beeper132
  - Soundctrl()133
  - Speaker()134
  - Normaltone() / Errortone()135
- Leds136
  - Ledon137
  - Ledoff138
- Real-Time Clock (RTC)139
  - Setrtc()140
  - Setdatetime()141
CHAPTER 5 Service Functions143
Service Functions for the M X 800 Series of Terminals143
- Svccrccalc()144
- Svcdsp2Hex()146
- Svcrestart()147
- Svcinfokernel() / Svcinfoeprom()148
- Svcinforfs()149
- Svcinfoserialnum()150
- Svcinfoptid()151
- Svcinfoplatform()152
- Svcinfotype()154
- Svcinfodsp()155
- Svcinfocard()156
- Svcinfokey()157
- Svcinfoserialnum158
- Svczontalkrcv()159
- Zontalkcancel161
- Svcsetopenblock()162
- Svcsetrxcallback()163
- Svcreleaserxcallback()164
- Svcsetalarmcallback()165
- Svcreleasealarmcallback()166
- Svcalarm()167
- Svcgetportstatus()168
- Svcgetinq()170
- Svcgetoutq()171
- Svcexpand()172
- Svcusbstorpresent()173
- COM3 Service Functions174
  - Svccom3Setmode()175
  - Svccom3Reqextstatus()176
  - Svccom3Reqtallyinfo()178
  - Svccom3Restallydata()179
  - Svccom3Reqfirmvers()180
  - Svccom3Setdeviceaddr()181
  - Svccom3Seteclevel()182
  - Svccom3Sethandshake()183
  - Svccom3Flushrxbuf()185
  - Svccom3Setrxrecthresh()186
  - Svccom3Setbufflushint()187
  - Svccom3Polled()188
  - Svcgetsysmillisec(), Svcgetsysmicrosec()189
  - Enableprocessmonitor()190
  - Disableprocessmonitor()191
  - Enablebuttonsig()192
  - Disablebuttonsig()193
CHAPTER 6 System Mode195
System Mode for the M 800 Series of Terminals195
CHAPTER 7 Root File System197
Directory Structure198
- Organization of Files in the Standard Directory Structure198
- User Space Base Directory Structure199
- User Space and Security199
CHAPTER 8 USB - Device / Host201
USB Device201
- USB Host202
  - USB Mass Storage and Memory Devices202
- USB Human Interface Device (HID) Support204
CHAPTER 9 Network Configuration205
- Network Configuration Environment Variables205
- TCP/IP Ethernet Network Configuration205
- Netup()206
- Netdown()207
- Netgetconfig()208
- Netlinkstatus()209
- Getsysctl()210
- Supported Network Programs211
CHAPTER 10 IPP Legacy Library215
IPP Support for the M 800 Series of Terminals215
- Ipp_Getpin()217
- Ipp_Read()219
- Ipp_Mac()222
- Ipp_Abort()224
- Ipp_Diag()225
- Select_Key_Mgmnt()227
- Get_Key_Mgmnt()229
CHAPTER 11 Contactless RF Card Reader Module231
- Library API Functions231
CHAPTER 12 Input Events251
Inputopen252
- Inputread()253
- Inputclose()254
CHAPTER 13 Visual Payments Library Functions255
- C Hapter255
- Vpinit()256
- Vpparsefields()257
- Vpsendpacket()258
- Vpexit()259
- Vpversion()260
- Visual Payments Callback Functions261
- Network/Ethernet Library Functions Required by Visual Payments267
- XFTP Commands274
IPP MS and DUKPT Communications Packets275
- Advanced Programming in IPP275
  - Minor Differences by Packet275
- Packets276
- Ipp7281
- Common Packets289
- MS-Specific Packets314
- DUKPT-Specific Packets324
  - Packet 19: Select a DUKPT Engine324
- Packet 25: Check the DUKPT Engine326
- MAC-Specific Packets336

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