-- EikonixProtocol.mesa -- Last edited by Tim Diebert: 22-Jan-86 12:22:54 -- Copyright (C) 1985, 1986, Xerox Corporation. All rights reserved. -- Tim Diebert: January 27, 1986 9:21:56 am PST DIRECTORY PupTypes USING [PupSocketID] ; EikonixProtocol: DEFINITIONS = BEGIN Address: TYPE = LONG CARDINAL; Width: CARDINAL = 2048; Height: CARDINAL = 2048; ScanLine: TYPE = [0 .. Height); Pixel: TYPE = [0 .. Width); SampleLength: CARDINAL = 16; BitsPerPoint: TYPE = MACHINE DEPENDENT {bp8 (0), bp12 (1)}; -- This protocol is based upon a PUP BSP stream implementing the transfer -- of these RECORDs. The Well Known Sockets to be used is. scannerSocket: PupTypes.PupSocketID = [0, 45B]; -- If there is a need to abort the transfer of data from the scanner to the -- Cedar machine, the BSP stream is simply closed, causing the scanner to -- abort and set up to listen again at the scannerSocket. -- There may be only one open BPS stream at any time. The restriction is -- implemented at the scanner end by returning an ABORT [Busy] pup. -- If no commands are received by the scanner in 30 minutes. The -- connection is closed from the scanner end. The CEDAR code must -- clean-up accordingly. CommandToScanner: TYPE = MACHINE DEPENDENT RECORD [ wastedSpace: [0 .. 256) _ 0, var: SELECT command: Command FROM -- the command type of this message SetCommandReg => [cmd: CARDINAL], -- Loads the cmd to General cmd reg SetDeviceCommandReg => [cmd: CARDINAL], -- Loads the cmd to Device cmd reg GetStatus => [ ], -- Gets the general status register GetDeviceStatus => [ ], -- Gets the device status register SetFCR => [ cmd: CARDINAL ], -- Loads the cmd to FCR reg SetDMAData => [ data: CARDINAL ], -- Loads the data to DMA data reg SendDataBuffer0 => [ ], -- Sends the contents of buffer 0 SendDataBuffer1 => [ ], -- Sends the contents of buffer 1 TurnOnLights => [ ], -- Turns on lights TurnOffLights => [ ], -- Turns off lights SetFilter => [ color: CARDINAL ], -- Sets the color filter ScanPage => [ scanStart, pixelStart, numScans, numPixel: CARDINAL, bits: CARDINAL], -- Limited by sender to BitsPerPoint SampleScan => [ bits: CARDINAL ], -- Limited by sender LoadNormalizer => [ darkCurrent: ARRAY [0 .. 0 -- Width --) OF CARDINAL, gain: ARRAY [0 .. 0 -- Width --) OF CARDINAL ], -- Sets the dark current and the gain buffers in the normalizer board ScanMaxMin => [ scanStart, pixelStart, numScans, numPixel: CARDINAL], ComputeCal => [ ] -- Reads the whole field and sends the average back ENDCASE ]; ResponseFromScanner: TYPE = MACHINE DEPENDENT RECORD [ ok: BOOL _ FALSE, wastedSpace: [0 .. 177B] _ 0, var: SELECT command: Command FROM -- the command type of this message SetCommandReg => [ ], -- Loads the cmd to General command reg SetDeviceCommandReg => [ ], -- Loads the cmd to device command reg GetStatus => [ status: CARDINAL ], -- Gets the general status register GetDeviceStatus => [ status: CARDINAL ], -- Gets the device status register SetFCR => [ ], -- Loads the cmd to FCR reg SetDMAData => [ ], -- Loads the data to DMA data reg SendDataBuffer0 => [ data: ARRAY [0 .. 0) OF WORD ], -- The buffer width SendDataBuffer1 => [ data: ARRAY [0 .. 0) OF WORD ], -- The buffer width TurnOnLights => [ ], -- Turns on lights TurnOffLights => [ ], -- Turns off lights SetFilter => [ ], -- Sets the color filter ScanPage => [ numScans, numPixel: CARDINAL, data: ARRAY [0 .. 0) OF WORD], -- The length of the array is numScans * numPixel words; -- that is the number of words sent in the stream before the -- scanner starts listening again is numScans * numPixel. SampleScan => [ data: ARRAY [0 .. 0 -- 16384 --) OF WORD ], -- Sample always sends the data unswapped and to the left in the word. -- The length of the data is Width/SampleLength * Height/SampleLength, -- or 16384 for the standard parameters. LoadNormalizer => [ ], ScanMaxMin => [min, minScan, minPixel, max, maxScan, maxPixel: CARDINAL], ComputeCal => [ data: ARRAY [0 .. 0) OF CARDINAL ] ENDCASE ]; Command: TYPE = MACHINE DEPENDENT { SetCommandReg (0), -- Loads the General Command Register SetDeviceCommandReg (1), -- Loads the device command register GetStatus (2), -- Reads the general status register GetDeviceStatus (3), -- Reads the device status register SetFCR (4), -- Loads the Function control register SetDMAData (5), -- Loads the DMA data register SendDataBuffer0 (6), -- Sends the contents of buffer 0 to host SendDataBuffer1 (7), -- Sends the contents of buffer 1 to host TurnOnLights (8), -- Turns on lights TurnOffLights (9), -- Turns off lights ScanPage (10), -- Scans a page specified by the params. SampleScan (11), -- Scans every 16th pixel and scan line. LoadNormalizer (12), -- Loads the dark current buffer then the gain. SetFilter (13), -- Sets color filter. ScanMaxMin (14), -- Scan the specified area for max & min ComputeCal (15), -- Computes the average of the whole field. (255)}; Color: TYPE = MACHINE DEPENDENT {Red (0), Green (1), Blue (2), Clear (3), Opaque (4), (LAST[CARDINAL])}; -- Addresses for the various Eikonix registers. -- The divide by 2 is because the Eikonix addresses are byte addresses EikonixBase: Address = 0400000H; dataBuffer0: Address = EikonixBase + 0A000H / 2; dataBuffer1: Address = EikonixBase + 0C000H / 2; commandRegister: Address = EikonixBase + 0E000H / 2; deviceCommandRegister: Address = EikonixBase + 0E002H / 2; statusRegister: Address = EikonixBase + 0E004H / 2; deviceStatusRegister: Address = EikonixBase + 0E006H / 2; functionControlRegister: Address = EikonixBase + 0E00EH / 2; dataRegister: Address = EikonixBase + 0E010H / 2; scc0: Address = EikonixBase + 9010H; -- This is the base address of the SCC. -- Commands EikonixCommand: TYPE = MACHINE DEPENDENT RECORD [ reg: Reg, readBack: [0 .. 1] _ 0, bits: [0 .. 7FFH] _ 0 ]; Reg: TYPE = MACHINE DEPENDENT { ITimeLow (0), -- The integration time register ITimeHigh (1), -- The high byte of the integration time. Filter (8), -- Filter Control Console (9), -- Console Stage (0AH), -- Stage (head platform) StagePosition (0CH), -- Special stage reg. (0FH) }; EikonixFunctionControl: TYPE = MACHINE DEPENDENT RECORD [ j1: [0 .. 07FH] _ 0, direction: [0 .. 1], -- 0 to scanner, 1 from scanner j2: [0 .. 07B] _ 0, buffer: [0 .. 1], -- 0 buffer 0, 1 buffer 1 funct: Function _ Data12Bit, go: [0 .. 1]]; Function: TYPE = [0 .. 7]; DarkC: Function = 0; -- The dark current register Gain: Function = 1; -- The gain registers HeadTest: Function = 4; -- The head test register GainTest: Function = 5; -- The gain test register. -- This is really after the dark subtract! Data12Bit: Function = 0; -- 12 bit data, no step. Data8Bit: Function = 1; -- 8 bit data, no step. Data12Step: Function = 2; -- 12 bit data, step. Data8Step: Function = 3; -- 8 bit data, step. Data4Bit: Function = 4; -- 4 bit data, no step. Data2Bit: Function = 5; -- 2 bit data, no step. Data4Step: Function = 6; -- 4 bit data, step. Data2Step: Function = 7; -- 2 bit data, step. busyBit: CARDINAL = 08000H; goBit: CARDINAL = 00001H; toDarkCurrent: CARDINAL = 00000H; toGain: CARDINAL = 00002H; END... Ê#˜JšÏfÏA˜ÏA—…— Ò û