/* 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 */ | |
#define MEGA256_IS_ADK // Undefine this if you're using a non-ADK Mega256 | |
// TODO: Check if the 2560 check should use `defined` too. | |
#if defined(__AVR_ATmega1280__) || (__AVR_ATmega2560__) | |
#define SCK_PIN 52 | |
#define MISO_PIN 50 | |
#define MOSI_PIN 51 | |
#if defined(__AVR_ATmega2560__) && defined(MEGA256_IS_ADK) | |
#define TARGET_MEGA_ADK | |
#define SS_PIN 53 // TODO: Handle this as an internal pin. | |
#else | |
// TODO: Test with Mega + shield combination | |
#define SS_PIN 53 | |
#endif | |
#elif defined(__AVR_ATmega168__) || defined(__AVR_ATmega328P__) | |
#define SCK_PIN 13 | |
#define MISO_PIN 12 | |
#define MOSI_PIN 11 | |
#define SS_PIN 10 | |
#else | |
#error The currently selected board needs to have its SPI pin definitions added to this file. | |
#endif | |
#if !defined(TARGET_MEGA_ADK) | |
#define MAX_SS SS_PIN | |
#define MAX_INT 9 | |
#define MAX_GPX 8 | |
#define MAX_RESET 7 | |
#else | |
// Because the Arduino Mega ADK board uses "internal" pins (i.e. ones that | |
// are not broken out to headers, are not in `pins_arduino.h` and can't | |
// be used with functions like `pinMode()` & `digitalWrite()`) they need | |
// to be defined by the low-level AVR approach. | |
// These definitions and the code to use them comes from an older version | |
// of the `Max3421e.cpp` file. | |
// TODO: Add these internal pins to `pins_arduino.h` for the Mega ADK so | |
// we can usual the standard Arduino functions & not special-case this? | |
#define INT PE6 | |
#define INT_PORT PORTE | |
#define INT_DDR DDRE | |
#define INT_PIN PINE | |
#define RST PJ2 | |
#define RST_PORT PORTJ | |
#define RST_DDR DDRJ | |
#define RST_PIN PINJ | |
#define GPX PJ3 | |
#define GPX_PORT PORTJ | |
#define GPX_DDR DDRJ | |
#define GPX_PIN PINJ | |
#define MAX_SS SS_PIN // TODO: Handle this as an internal pin. | |
#endif | |
/* "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_ |