memsic.wsp

用c8051f320单片机,任选两个IO口进行模拟IIC操做,用软件IIC对加速度芯片MXC6020进行读写操作(IIC接口)

MRUDockID=0
MRUDockLeftPos=0
MRUDockTopPos=0
MRUDockRightPos=34341211
MRUDockBottomPos=5405456
MRUFloatStyle=4
MRUFloatXPos=-2147483648
MRUFloatYPos=0
Style=20372
ExStyle=3857
PrevFloating=False
MDIChild=False
PctWidth=1000000
MRUFloatCX=300
MRUFloatCY=180
MRUHorzDockCX=300
MRUHorzDockCY=180
MRUVertDockCX=150
MRUVertDockCY=180
MRUDockingState=0
DockingStyle=61440
TypeID=0
ClassName=PeriphWnd
WindowName=SMBus
ResourceID=0
[WorkState_v1_1.DockState.Bar-38]
BarID=266
Visible=False
XPos=0
YPos=0
Docking=True
MRUDockID=0
MRUDockLeftPos=0
MRUDockTopPos=0
MRUDockRightPos=0
MRUDockBottomPos=0
MRUFloatStyle=4
MRUFloatXPos=-2147483648
MRUFloatYPos=0
Style=20372
ExStyle=3857
PrevFloating=False
MDIChild=False
PctWidth=1000000
MRUFloatCX=300
MRUFloatCY=180
MRUHorzDockCX=300
MRUHorzDockCY=180
MRUVertDockCX=150
MRUVertDockCY=180
MRUDockingState=0
DockingStyle=61440
TypeID=0
ClassName=PeriphWnd
WindowName=SPI Bus
ResourceID=0
[WorkState_v1_1.DockState.Bar-39]
BarID=267
Visible=False
XPos=0
YPos=0
Docking=True
MRUDockID=0
MRUDockLeftPos=0
MRUDockTopPos=0
MRUDockRightPos=0
MRUDockBottomPos=0
MRUFloatStyle=4
MRUFloatXPos=-2147483648
MRUFloatYPos=0
Style=20372
ExStyle=3857
PrevFloating=False
MDIChild=False
PctWidth=1000000
MRUFloatCX=300
MRUFloatCY=180
MRUHorzDockCX=300
MRUHorzDockCY=180
MRUVertDockCX=150
MRUVertDockCY=180
MRUDockingState=0
DockingStyle=61440
TypeID=0
ClassName=PeriphWnd
WindowName=Timers
ResourceID=0
[WorkState_v1_1.DockState.Bar-40]
BarID=268
Visible=False
XPos=0
YPos=0
Docking=True
MRUDockID=0
MRUDockLeftPos=0
MRUDockTopPos=0
MRUDockRightPos=0
MRUDockBottomPos=0
MRUFloatStyle=4
MRUFloatXPos=-2147483648
MRUFloatYPos=0
Style=20372
ExStyle=3857
PrevFloating=False
MDIChild=False
PctWidth=1000000
MRUFloatCX=300
MRUFloatCY=180
MRUHorzDockCX=300
MRUHorzDockCY=180
MRUVertDockCX=150
MRUVertDockCY=180
MRUDockingState=0
DockingStyle=61440
TypeID=0
ClassName=PeriphWnd
WindowName=UART
ResourceID=0
[WorkState_v1_1.DockState.Bar-41]
BarID=269
Visible=False
XPos=0
YPos=0
Docking=True
MRUDockID=0
MRUDockLeftPos=0
MRUDockTopPos=0
MRUDockRightPos=0
MRUDockBottomPos=0
MRUFloatStyle=4
MRUFloatXPos=-2147483648
MRUFloatYPos=0
Style=20372
ExStyle=3857
PrevFloating=False
MDIChild=False
PctWidth=1000000
MRUFloatCX=300
MRUFloatCY=180
MRUHorzDockCX=300
MRUHorzDockCY=180
MRUVertDockCX=150
MRUVertDockCY=180
MRUDockingState=0
DockingStyle=61440
TypeID=0
ClassName=PeriphWnd
WindowName=USB Interrupt Registers
ResourceID=0
[WorkState_v1_1.DockState.Bar-42]
BarID=270
Visible=False
XPos=0
YPos=0
Docking=True
MRUDockID=0
MRUDockLeftPos=0
MRUDockTopPos=0
MRUDockRightPos=0
MRUDockBottomPos=0
MRUFloatStyle=4
MRUFloatXPos=-2147483648
MRUFloatYPos=0
Style=20372
ExStyle=3857
PrevFloating=False
MDIChild=False
PctWidth=1000000
MRUFloatCX=300
MRUFloatCY=180
MRUHorzDockCX=300
MRUHorzDockCY=180
MRUVertDockCX=150
MRUVertDockCY=180
MRUDockingState=0
DockingStyle=61440
TypeID=0
ClassName=PeriphWnd
WindowName=USB Common Registers
ResourceID=0
[WorkState_v1_1.DockState.Bar-43]
BarID=271
Visible=False
XPos=0
YPos=0
Docking=True
MRUDockID=0
MRUDockLeftPos=0
MRUDockTopPos=0
MRUDockRightPos=19268312
MRUDockBottomPos=19164480
MRUFloatStyle=4
MRUFloatXPos=-2147483648
MRUFloatYPos=736
Style=20372
ExStyle=3857
PrevFloating=False
MDIChild=False
PctWidth=1000000
MRUFloatCX=300
MRUFloatCY=180
MRUHorzDockCX=300
MRUHorzDockCY=180
MRUVertDockCX=150
MRUVertDockCY=180
MRUDockingState=0
DockingStyle=61440
TypeID=0
ClassName=PeriphWnd
WindowName=EP0 Index Registers
ResourceID=0
[WorkState_v1_1.DockState.Bar-44]
BarID=272
Visible=False
XPos=0
YPos=0
Docking=True
MRUDockID=0
MRUDockLeftPos=0
MRUDockTopPos=0
MRUDockRightPos=0
MRUDockBottomPos=0
MRUFloatStyle=4
MRUFloatXPos=-2147483648
MRUFloatYPos=0
Style=20372
ExStyle=3857
PrevFloating=False
MDIChild=False
PctWidth=1000000
MRUFloatCX=300
MRUFloatCY=180
MRUHorzDockCX=300
MRUHorzDockCY=180
MRUVertDockCX=150
MRUVertDockCY=180
MRUDockingState=0
DockingStyle=61440
TypeID=0
ClassName=PeriphWnd
WindowName=EP1 Index Registers
ResourceID=0
[WorkState_v1_1.DockState.Bar-45]
BarID=273
Visible=False
XPos=0
YPos=0
Docking=True
MRUDockID=0
MRUDockLeftPos=0
MRUDockTopPos=0
MRUDockRightPos=0
MRUDockBottomPos=0
MRUFloatStyle=4
MRUFloatXPos=-2147483648
MRUFloatYPos=0
Style=20372
ExStyle=3857
PrevFloating=False
MDIChild=False
PctWidth=1000000
MRUFloatCX=300
MRUFloatCY=180
MRUHorzDockCX=300
MRUHorzDockCY=180
MRUVertDockCX=150
MRUVertDockCY=180
MRUDockingState=0
DockingStyle=61440
TypeID=0
ClassName=PeriphWnd
WindowName=EP2 Index Registers
ResourceID=0
[WorkState_v1_1.DockState.Bar-46]
BarID=274
Visible=False
XPos=0
YPos=0
Docking=True
MRUDockID=0
MRUDockLeftPos=0
MRUDockTopPos=0
MRUDockRightPos=0
MRUDockBottomPos=0
MRUFloatStyle=4
MRUFloatXPos=-2147483648
MRUFloatYPos=0
Style=20372
ExStyle=3857
PrevFloating=False
MDIChild=False
PctWidth=1000000
MRUFloatCX=300
MRUFloatCY=180
MRUHorzDockCX=300
MRUHorzDockCY=180
MRUVertDockCX=150
MRUVertDockCY=180
MRUDockingState=0
DockingStyle=61440
TypeID=0
ClassName=PeriphWnd
WindowName=EP3 Index Registers
ResourceID=0
[WorkState_v1_1.DockState.Bar-47]
BarID=275
Visible=False
XPos=0
YPos=0
Docking=True
MRUDockID=0
MRUDockLeftPos=0
MRUDockTopPos=0
MRUDockRightPos=774778414
MRUDockBottomPos=774778414
MRUFloatStyle=4
MRUFloatXPos=-2147483648
MRUFloatYPos=736
Style=20372
ExStyle=3857
PrevFloating=False
MDIChild=False
PctWidth=1000000
MRUFloatCX=300
MRUFloatCY=180
MRUHorzDockCX=300
MRUHorzDockCY=180
MRUVertDockCX=180
MRUVertDockCY=180
MRUDockingState=0
DockingStyle=61440
TypeID=0
ClassName=USBFIFOWnd
WindowName=FIFO 0
ResourceID=0
[WorkState_v1_1.DockState.Bar-48]
BarID=276
Visible=False
XPos=0
YPos=0
Docking=True
MRUDockID=0
MRUDockLeftPos=0
MRUDockTopPos=0
MRUDockRightPos=774778414
MRUDockBottomPos=774778414
MRUFloatStyle=4
MRUFloatXPos=-2147483648
MRUFloatYPos=736
Style=20372
ExStyle=3857
PrevFloating=False
MDIChild=False
PctWidth=1000000
MRUFloatCX=300
MRUFloatCY=180
MRUHorzDockCX=300
MRUHorzDockCY=180
MRUVertDockCX=180
MRUVertDockCY=180
MRUDockingState=0
DockingStyle=61440
TypeID=0
ClassName=USBFIFOWnd
WindowName=FIFO 1
ResourceID=0
[WorkState_v1_1.DockState.Bar-49]
BarID=277
Visible=False
XPos=0
YPos=0
Docking=True
MRUDockID=0
MRUDockLeftPos=0
MRUDockTopPos=0
MRUDockRightPos=774778414
MRUDockBottomPos=774778414
MRUFloatStyle=4
MRUFloatXPos=-2147483648
MRUFloatYPos=736
Style=20372
ExStyle=3857
PrevFloating=False
MDIChild=False
PctWidth=1000000
MRUFloatCX=300
MRUFloatCY=180
MRUHorzDockCX=300
MRUHorzDockCY=180
MRUVertDockCX=180
MRUVertDockCY=180
MRUDockingState=0
DockingStyle=61440
TypeID=0
ClassName=USBFIFOWnd
WindowName=FIFO 2
ResourceID=0
[WorkState_v1_1.DockState.Bar-50]
BarID=278
Visible=False
XPos=0
YPos=0
Docking=True
MRUDockID=0
MRUDockLeftPos=0
MRUDockTopPos=0
MRUDockRightPos=774778414
MRUDockBottomPos=774778414
MRUFloatStyle=4
MRUFloatXPos=-2147483648
MRUFloatYPos=736
Style=20372
ExStyle=3857
PrevFloating=False
MDIChild=False
PctWidth=1000000
MRUFloatCX=300
MRUFloatCY=180
MRUHorzDockCX=300
MRUHorzDockCY=180
MRUVertDockCX=180
MRUVertDockCY=180
MRUDockingState=0
DockingStyle=61440
TypeID=0
ClassName=USBFIFOWnd
WindowName=FIFO 3
ResourceID=0
[WorkState_v1_1.ToolBarMgr]
ToolTips=True
CoolLook=True
LargeButtons=False
[WorkState_v1_1.Frames]
ptn_Child1=MainFrame
ptn_Child2=ChildFrames
[WorkState_v1_1.Frames.MainFrame]
WindowPlacement=MCAAAAAACAAAAAAADAAAAAAAAADIPPPPAADIPPPPPPPPPPPPPPPPPPPPAAAAAAAAAAAAAAAAAADAAAAAJBCAAAAA
Title=Silicon Laboratories IDE - [I2C.c]
[WorkState_v1_1.Frames.ChildFrames]
ptn_Child1=Document-0
ptn_Child2=Document-1
ptn_Child3=Document-2
ptn_Child4=Document-3
ptn_Child5=Document-4
ptn_Child6=Document-5
ptn_Child7=Document-6
ptn_Child8=Document-7
ptn_Child9=Document-8
[WorkState_v1_1.Frames.ChildFrames.Document-0]
ptn_Child1=ViewFrame-0
[WorkState_v1_1.Frames.ChildFrames.Document-0.ViewFrame-0]
DocPathName=F:\memsic_C8051\Examples\C8051F32x\Memsic2\I2C.c
DocumentString=Source File
DocTemplateIndex=0
WindowPlacement=MCAAAAAACAAAAAAADAAAAAAAPPPPPPPPPPPPPPPPMPPPPPPPCOPPPPPPIFAAAAAAEHAAAAAAAPCAAAAAKHBAAAAA
IsActiveChildFrame=True
[WorkState_v1_1.Frames.ChildFrames.Document-1]
ptn_Child1=ViewFrame-0
[WorkState_v1_1.Frames.ChildFrames.Document-1.ViewFrame-0]
DocPathName=F:\memsic_C8051\Examples\C8051F32x\Memsic2\MEMSIC.c
DocumentString=Source File
DocTemplateIndex=0
WindowPlacement=MCAAAAAAAAAAAAAABAAAAAAAPPPPPPPPPPPPPPPPMPPPPPPPCOPPPPPPAAAAAAAAAAAAAAAAMJCAAAAAHABAAAAA
IsActiveChildFrame=False
[WorkState_v1_1.Frames.ChildFrames.Document-2]
ptn_Child1=ViewFrame-0
[WorkState_v1_1.Frames.ChildFrames.Document-2.ViewFrame-0]
DocPathName=F:\memsic_C8051\Examples\C8051F32x\Memsic2\I2C.h
DocumentString=Source File
DocTemplateIndex=0
WindowPlacement=MCAAAAAAAAAAAAAABAAAAAAAPPPPPPPPPPPPPPPPMPPPPPPPCOPPPPPPGBAAAAAANBAAAAAAHPBAAAAAECBAAAAA
IsActiveChildFrame=False
[WorkState_v1_1.Frames.ChildFrames.Document-3]
ptn_Child1=ViewFrame-0
[WorkState_v1_1.Frames.ChildFrames.Document-3.ViewFrame-0]
DocPathName=F:\memsic_C8051\Examples\C8051F32x\Memsic2\MEMSIC.h
DocumentString=Source File
DocTemplateIndex=0
WindowPlacement=MCAAAAAAAAAAAAAABAAAAAAAPPPPPPPPPPPPPPPPMPPPPPPPCOPPPPPPMCAAAAAAKDAAAAAANACAAAAABEBAAAAA
IsActiveChildFrame=False
[WorkState_v1_1.Frames.ChildFrames.Document-4]
ptn_Child1=ViewFrame-0
[WorkState_v1_1.Frames.ChildFrames.Document-4.ViewFrame-0]
DocPathName=F:\memsic_C8051\Examples\C8051F32x\Memsic2\c8051F320.h
DocumentString=Source File
DocTemplateIndex=0
WindowPlacement=MCAAAAAAAAAAAAAABAAAAAAAPPPPPPPPPPPPPPPPMPPPPPPPCOPPPPPPCEAAAAAAHFAAAAAADCCAAAAAOFBAAAAA
IsActiveChildFrame=False
[WorkState_v1_1.Frames.ChildFrames.Document-5]
ptn_Child1=ViewFrame-0
[WorkState_v1_1.Frames.ChildFrames.Document-5.ViewFrame-0]
DocPathName=F:\memsic_C8051\Examples\C8051F32x\Memsic2\timer.h
DocumentString=Source File
DocTemplateIndex=0
WindowPlacement=MCAAAAAAAAAAAAAABAAAAAAAPPPPPPPPPPPPPPPPMPPPPPPPCOPPPPPPIFAAAAAAEHAAAAAAJDCAAAAALHBAAAAA
IsActiveChildFrame=False
[WorkState_v1_1.Frames.ChildFrames.Document-6]
ptn_Child1=ViewFrame-0
[WorkState_v1_1.Frames.ChildFrames.Document-6.ViewFrame-0]
DocPathName=F:\memsic_C8051\Examples\C8051F32x\Memsic2\UART.h
DocumentString=Source File
DocTemplateIndex=0
WindowPlacement=MCAAAAAAAAAAAAAABAAAAAAAPPPPPPPPPPPPPPPPMPPPPPPPCOPPPPPPAAAAAAAAAAAAAAAABOBAAAAAHABAAAAA
IsActiveChildFrame=False
[WorkState_v1_1.Frames.ChildFrames.Document-7]
ptn_Child1=ViewFrame-0
[WorkState_v1_1.Frames.ChildFrames.Document-7.ViewFrame-0]
DocPathName=F:\memsic_C8051\Examples\C8051F32x\Memsic2\target.h
DocumentString=Source File
DocTemplateIndex=0
WindowPlacement=MCAAAAAAAAAAAAAABAAAAAAAPPPPPPPPPPPPPPPPMPPPPPPPCOPPPPPPGBAAAAAANBAAAAAAHPBAAAAAECBAAAAA
IsActiveChildFrame=False
[WorkState_v1_1.Frames.ChildFrames.Document-8]
ptn_Child1=ViewFrame-0
[WorkState_v1_1.Frames.ChildFrames.Document-8.ViewFrame-0]
DocPathName=F:\memsic_C8051\Examples\C8051F32x\Memsic2\target.c
DocumentString=Source File
DocTemplateIndex=0
WindowPlacement=MCAAAAAAAAAAAAAABAAAAAAAPPPPPPPPPPPPPPPPMPPPPPPPCOPPPPPPMCAAAAAAKDAAAAAANACAAAAABEBAAAAA
IsActiveChildFrame=False
[WorkState_v1_1.ProjectTarget]
ProjectTarget=SC88F000
[WorkState_v1_1.WorkSpaceName]
WorkSpaceName=F:\memsic_C8051\Examples\C8051F32x\Memsic2\MEMSIC.wsp
[WorkState_v1_1.SerialPort]
SerialPort=1
[WorkState_v1_1.StepInc]
StepInc=0
[WorkState_v1_1.DisassemblyAutoView]
DisassemblyAutoView=0
[WorkState_v1_1.Watch0Base]
Watch0Base=1
[WorkState_v1_1.Watch1Base]
Watch1Base=1
[WorkState_v1_1.WatchList1:0]
ptn_Child1=Name
ptn_Child2=Module
ptn_Child3=Function
ptn_Child4=Type
ptn_Child5=Page
[WorkState_v1_1.WatchList1:0.Name]
Name=Ax
[WorkState_v1_1.WatchList1:0.Module]
Module=I2C
[WorkState_v1_1.WatchList1:0.Function]
Function=
[WorkState_v1_1.WatchList1:0.Type]
Type=4
[WorkState_v1_1.WatchList1:0.Page]
Page=256
[WorkState_v1_1.WatchList1:1]
ptn_Child1=Name
ptn_Child2=Module
ptn_Child3=Function
ptn_Child4=Type
ptn_Child5=Page
[WorkState_v1_1.WatchList1:1.Name]
Name=Ay
[WorkState_v1_1.WatchList1:1.Module]
Module=I2C
[WorkState_v1_1.WatchList1:1.Function]
Function=
[WorkState_v1_1.WatchList1:1.Type]
Type=4
[WorkState_v1_1.WatchList1:1.Page]
Page=256
[WorkState_v1_1.Vendor]
Vendor=0
[WorkState_v1_1.Assembler]
Assembler=C:\Keil\C51\BIN\A51.EXE
[WorkState_v1_1.AssFlag]
AssFlag=XR GEN DB EP NOMOD51
[WorkState_v1_1.AssFormat]
AssFormat=<Executable Name> <Input File(s)> <Flags> 
[WorkState_v1_1.Compiler]
Compiler=C:\Keil\C51\BIN\c51.exe
[WorkState_v1_1.CompFlag]
CompFlag=DB OE
[WorkState_v1_1.CompFormat]
CompFormat=<Executable Name> <Input File(s)> <Flags> 
[WorkState_v1_1.RunOptimizer]
RunOptimizer=0
[WorkState_v1_1.Linker]
Linker=C:\Keil\C51\BIN\BL51.EXE
[WorkState_v1_1.LinkFlag]
LinkFlag=RS(256) PL(68) PW(78)
[WorkState_v1_1.LinkFormat]
LinkFormat=<Executable Name> <Input File(s)> TO <Output File> <Flags> 
[WorkState_v1_1.PreprocFlag]
PreprocFlag=
[WorkState_v1_1.PreprocFormat]
PreprocFormat= 
[WorkState_v1_1.DisList]
DisList=1
[WorkState_v1_1.DisOP]
DisOP=1
[WorkState_v1_1.ParseErr]
ParseErr=1
[WorkState_v1_1.Download]
Download=0
[WorkState_v1_1.AutoSave]
AutoSave=1
[WorkState_v1_1.UseMake]
UseMake=0
[WorkState_v1_1.ErrorFormat]
ErrorFormat=CS CS CS CS CS LN
[WorkState_v1_1.ErrorString]
ErrorString=%s %s %s %s %s %d
[WorkState_v1_1.MultiDeviceJTAG]
DevicesAfterTarget=0
DevicesBeforeTarget=0
BitsAfterTargetIR=0
BitsBeforeTargetIR=0
[WorkState_v1_1.BankingPN]
BankingPN=32767
[WorkState_v1_1.OutputFile]
OutputFile=MEMSIC
[WorkState_v1_1.MakeFile]
MakeFile=
[WorkState_v1_1.CExt]
CExt=.obj
[WorkState_v1_1.IDEVer]
IDEVer=2.4
[WorkState_v1_1.ECProtocol]
ECProtocol=1
[WorkState_v1_1.Adapter]
Adapter=3
[WorkState_v1_1.USB Adapter Power]
USB Adapter Power=0
[WorkState_v1_1.PFiles]
[WorkState_v1_1.AFiles]
[WorkState_v1_1.CFiles]
ptn_Child1=FileName
[WorkState_v1_1.CFiles.FileName]
FileName=MEMSIC.c
ptn_Child1=FileName
[WorkState_v1_1.CFiles.FileName.FileName]
FileName=I2C.c
ptn_Child1=FileName
[WorkState_v1_1.CFiles.FileName.FileName.FileName]
FileName=target.c
ptn_Child1=FileName
[WorkState_v1_1.CFiles.FileName.FileName.FileName.FileName]
FileName=timer.c
ptn_Child1=FileName
[WorkState_v1_1.CFiles.FileName.FileName.FileName.FileName.FileName]
FileName=UART.c
[WorkState_v1_1.LFiles]
ptn_Child1=FileName
[WorkState_v1_1.LFiles.FileName]
FileName=MEMSIC.obj
ptn_Child1=FileName
[WorkState_v1_1.LFiles.FileName.FileName]
FileName=I2C.obj
ptn_Child1=FileName
[WorkState_v1_1.LFiles.FileName.FileName.FileName]
FileName=target.obj
ptn_Child1=FileName
[WorkState_v1_1.LFiles.FileName.FileName.FileName.FileName]
FileName=timer.obj
ptn_Child1=FileName
[WorkState_v1_1.LFiles.FileName.FileName.FileName.FileName.FileName]
FileName=UART.obj
[WorkState_v1_1.BankMap]
[WorkState_v1_1.Folders]
ptn_Child1=FolderName
[WorkState_v1_1.Folders.FolderName]
FolderName=Header Files
ptn_Child1=FolderName
[WorkState_v1_1.Folders.FolderName.FolderName]
FolderName=Source File
[WorkState_v1_1.Header Files]
ptn_Child1=FileName
[WorkState_v1_1.Header Files.FileName]
FileName=c8051F320.h
ptn_Child1=FileName
[WorkState_v1_1.Header Files.FileName.FileName]
FileName=MEMSIC.h
ptn_Child1=FileName
[WorkState_v1_1.Header Files.FileName.FileName.FileName]
FileName=target.h
ptn_Child1=FileName
[WorkState_v1_1.Header Files.FileName.FileName.FileName.FileName]
FileName=timer.h
ptn_Child1=FileName
[WorkState_v1_1.Header Files.FileName.FileName.FileName.FileName.FileName]
FileName=UART.h
ptn_Child1=FileName
[WorkState_v1_1.Header Files.FileName.FileName.FileName.FileName.FileName.FileName]
FileName=I2C.h
[WorkState_v1_1.Source File]
ptn_Child1=FileName
[WorkState_v1_1.Source File.FileName]
FileName=MEMSIC.c
ptn_Child1=FileName
[WorkState_v1_1.Source File.FileName.FileName]
FileName=target.c
ptn_Child1=FileName
[WorkState_v1_1.Source File.FileName.FileName.FileName]
FileName=timer.c
ptn_Child1=FileName
[WorkState_v1_1.Source File.FileName.FileName.FileName.FileName]
FileName=UART.c
ptn_Child1=FileName
[WorkState_v1_1.Source File.FileName.FileName.FileName.FileName.FileName]
FileName=I2C.c