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/* Copyright 2009-2011 Oleg Mazurov, Circuits At Home, http://www.circuitsathome.com */

/* MAX3421E register/bit names and bitmasks */

#ifndef _MAX3421Econstants_h_

#define _MAX3421Econstants_h_

/* SPI pins for diffrent Arduinos */

#if defined(__AVR_ATmega1280__) || (__AVR_ATmega2560__)

  #define SCK_PIN   52

  #define MISO_PIN  50

  #define MOSI_PIN  51

  #define SS_PIN    53

#endif

#if  defined(__AVR_ATmega168__) || defined(__AVR_ATmega328P__)

  #define SCK_PIN   13

  #define MISO_PIN  12

  #define MOSI_PIN  11

  #define SS_PIN    10

#endif

#define MAX_SS    10

#define MAX_INT   9

#define MAX_GPX   8

#define MAX_RESET 7

/* "Breakpoint" pins for debugging */

//#define BPNT_0      3

//#define BPNT_1      2

//#define Select_MAX3421E     digitalWrite(MAX_SS,LOW)

//#define Deselect_MAX3421E   digitalWrite(MAX_SS,HIGH)

/* */

#define ON  true

#define OFF false

/* VBUS states */

#define SE0     0

#define SE1     1

#define FSHOST  2

#define LSHOST  3

/* MAX3421E command byte format: rrrrr0wa where 'r' is register number  */

//

// MAX3421E Registers in HOST mode. 

//

#define rRCVFIFO    0x08    //1<<3

#define rSNDFIFO    0x10    //2<<3

#define rSUDFIFO    0x20    //4<<3

#define rRCVBC      0x30    //6<<3

#define rSNDBC      0x38    //7<<3

#define rUSBIRQ     0x68    //13<<3

/* USBIRQ Bits  */

#define bmVBUSIRQ   0x40    //b6

#define bmNOVBUSIRQ 0x20    //b5

#define bmOSCOKIRQ  0x01    //b0

#define rUSBIEN     0x70    //14<<3

/* USBIEN Bits  */

#define bmVBUSIE    0x40    //b6

#define bmNOVBUSIE  0x20    //b5

#define bmOSCOKIE   0x01    //b0

#define rUSBCTL     0x78    //15<<3

/* USBCTL Bits  */

#define bmCHIPRES   0x20    //b5

#define bmPWRDOWN   0x10    //b4

#define rCPUCTL     0x80    //16<<3

/* CPUCTL Bits  */

#define bmPUSLEWID1 0x80    //b7

#define bmPULSEWID0 0x40    //b6

#define bmIE        0x01    //b0

#define rPINCTL     0x88    //17<<3

/* PINCTL Bits  */

#define bmFDUPSPI   0x10    //b4

#define bmINTLEVEL  0x08    //b3

#define bmPOSINT    0x04    //b2

#define bmGPXB      0x02    //b1

#define bmGPXA      0x01    //b0

// GPX pin selections

#define GPX_OPERATE 0x00

#define GPX_VBDET   0x01

#define GPX_BUSACT  0x02

#define GPX_SOF     0x03

#define rREVISION   0x90    //18<<3

#define rIOPINS1    0xa0    //20<<3

/* IOPINS1 Bits */

#define bmGPOUT0    0x01

#define bmGPOUT1    0x02

#define bmGPOUT2    0x04

#define bmGPOUT3    0x08

#define bmGPIN0     0x10

#define bmGPIN1     0x20

#define bmGPIN2     0x40

#define bmGPIN3     0x80

#define rIOPINS2    0xa8    //21<<3

/* IOPINS2 Bits */

#define bmGPOUT4    0x01

#define bmGPOUT5    0x02

#define bmGPOUT6    0x04

#define bmGPOUT7    0x08

#define bmGPIN4     0x10

#define bmGPIN5     0x20

#define bmGPIN6     0x40

#define bmGPIN7     0x80

#define rGPINIRQ    0xb0    //22<<3

/* GPINIRQ Bits */

#define bmGPINIRQ0 0x01

#define bmGPINIRQ1 0x02

#define bmGPINIRQ2 0x04

#define bmGPINIRQ3 0x08

#define bmGPINIRQ4 0x10

#define bmGPINIRQ5 0x20

#define bmGPINIRQ6 0x40

#define bmGPINIRQ7 0x80

#define rGPINIEN    0xb8    //23<<3

/* GPINIEN Bits */

#define bmGPINIEN0 0x01

#define bmGPINIEN1 0x02

#define bmGPINIEN2 0x04

#define bmGPINIEN3 0x08

#define bmGPINIEN4 0x10

#define bmGPINIEN5 0x20

#define bmGPINIEN6 0x40

#define bmGPINIEN7 0x80

#define rGPINPOL    0xc0    //24<<3

/* GPINPOL Bits */

#define bmGPINPOL0 0x01

#define bmGPINPOL1 0x02

#define bmGPINPOL2 0x04

#define bmGPINPOL3 0x08

#define bmGPINPOL4 0x10

#define bmGPINPOL5 0x20

#define bmGPINPOL6 0x40

#define bmGPINPOL7 0x80

#define rHIRQ       0xc8    //25<<3

/* HIRQ Bits */

#define bmBUSEVENTIRQ   0x01   // indicates BUS Reset Done or BUS Resume     

#define bmRWUIRQ        0x02

#define bmRCVDAVIRQ     0x04

#define bmSNDBAVIRQ     0x08

#define bmSUSDNIRQ      0x10

#define bmCONDETIRQ     0x20

#define bmFRAMEIRQ      0x40

#define bmHXFRDNIRQ     0x80

#define rHIEN       0xd0    //26<<3

/* HIEN Bits */

#define bmBUSEVENTIE    0x01

#define bmRWUIE         0x02

#define bmRCVDAVIE      0x04

#define bmSNDBAVIE      0x08

#define bmSUSDNIE       0x10

#define bmCONDETIE      0x20

#define bmFRAMEIE       0x40

#define bmHXFRDNIE      0x80

#define rMODE       0xd8    //27<<3

/* MODE Bits */

#define bmHOST          0x01

#define bmLOWSPEED      0x02

#define bmHUBPRE        0x04

#define bmSOFKAENAB     0x08

#define bmSEPIRQ        0x10

#define bmDELAYISO      0x20

#define bmDMPULLDN      0x40

#define bmDPPULLDN      0x80

#define rPERADDR    0xe0    //28<<3

#define rHCTL       0xe8    //29<<3

/* HCTL Bits */

#define bmBUSRST        0x01

#define bmFRMRST        0x02

#define bmSAMPLEBUS     0x04

#define bmSIGRSM        0x08

#define bmRCVTOG0       0x10

#define bmRCVTOG1       0x20

#define bmSNDTOG0       0x40

#define bmSNDTOG1       0x80

#define rHXFR       0xf0    //30<<3

/* Host transfer token values for writing the HXFR register (R30)   */

/* OR this bit field with the endpoint number in bits 3:0               */

#define tokSETUP  0x10  // HS=0, ISO=0, OUTNIN=0, SETUP=1

#define tokIN     0x00  // HS=0, ISO=0, OUTNIN=0, SETUP=0

#define tokOUT    0x20  // HS=0, ISO=0, OUTNIN=1, SETUP=0

#define tokINHS   0x80  // HS=1, ISO=0, OUTNIN=0, SETUP=0

#define tokOUTHS  0xA0  // HS=1, ISO=0, OUTNIN=1, SETUP=0 

#define tokISOIN  0x40  // HS=0, ISO=1, OUTNIN=0, SETUP=0

#define tokISOOUT 0x60  // HS=0, ISO=1, OUTNIN=1, SETUP=0

#define rHRSL       0xf8    //31<<3

/* HRSL Bits */

#define bmRCVTOGRD  0x10

#define bmSNDTOGRD  0x20

#define bmKSTATUS   0x40

#define bmJSTATUS   0x80

#define bmSE0       0x00    //SE0 - disconnect state

#define bmSE1       0xc0    //SE1 - illegal state       

/* Host error result codes, the 4 LSB's in the HRSL register */

#define hrSUCCESS   0x00

#define hrBUSY      0x01

#define hrBADREQ    0x02

#define hrUNDEF     0x03

#define hrNAK       0x04

#define hrSTALL     0x05

#define hrTOGERR    0x06

#define hrWRONGPID  0x07

#define hrBADBC     0x08

#define hrPIDERR    0x09

#define hrPKTERR    0x0A

#define hrCRCERR    0x0B

#define hrKERR      0x0C

#define hrJERR      0x0D

#define hrTIMEOUT   0x0E

#define hrBABBLE    0x0F

#define MODE_FS_HOST    (bmDPPULLDN|bmDMPULLDN|bmHOST|bmSOFKAENAB)

#define MODE_LS_HOST    (bmDPPULLDN|bmDMPULLDN|bmHOST|bmLOWSPEED|bmSOFKAENAB)

#endif //_MAX3421Econstants_h_