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// This program configures the General Programmable Interface (GPIF) for FX2.     
// Please do not modify sections of text which are marked as "DO NOT EDIT ...". 
//                                                                                
// DO NOT EDIT ...                  
// GPIF Initialization              
// Interface Timing      Sync         
// Internal Ready Init   IntRdy=1     
// CTL Out Tristate-able Binary       
// SingleWrite WF Select     1     
// SingleRead WF Select      0     
// FifoWrite WF Select       3     
// FifoRead WF Select        2     
// Data Bus Idle Drive   Tristate     
// END DO NOT EDIT                  
 
// DO NOT EDIT ...       
// GPIF Wave Names       
// Wave 0   = Single R     
// Wave 1   = Single W     
// Wave 2   = FIFO Rea     
// Wave 3   = FIFO Wri     
 
// GPIF Ctrl Outputs   Level   
// CTL 0    = RDYU     CMOS        
// CTL 1    = WRU      CMOS        
// CTL 2    = RDYU     CMOS        
// CTL 3    = X2U_ex   CMOS        
// CTL 4    = U2X_th   CMOS        
// CTL 5    = unused   CMOS        
 
// GPIF Rdy Inputs         
// RDY0     = WRX            
// RDY1     = RDYX           
// RDY2     = unused         
// RDY3     = unused         
// RDY4     = unused         
// RDY5     = TCXpire        
// FIFOFlag = FIFOFlag       
// IntReady = IntReady       
// END DO NOT EDIT         
// DO NOT EDIT ...                                                                         
//                                                                                         
// GPIF Waveform 0: Single R                                                                
//                                                                                         
// Interval     0         1         2         3         4         5         6     Idle (7) 
//          _________ _________ _________ _________ _________ _________ _________ _________
//                                                                                         
// AddrMode Same Val  Same Val  Same Val  Same Val  Same Val  Same Val  Same Val           
// DataMode NO Data   NO Data   Activate  Activate  Activate  Activate  Activate           
// NextData SameData  SameData  SameData  SameData  SameData  SameData  SameData           
// Int Trig No Int    No Int    No Int    No Int    No Int    No Int    No Int             
// IF/Wait  IF        Wait 1    IF        Wait 1    Wait 1    Wait 1    Wait 1             
//   Term A WRX                 WRX                                                        
//   LFunc  AND                 AND                                                        
//   Term B WRX                 WRX                                                        
// Branch1  Then 1              ThenIdle                                                   
// Branch0  ElseIdle            ElseIdle                                                   
// Re-Exec  Yes                 Yes                                                        
// Sngl/CRC Default   Default   Default   Default   Default   Default   Default            
// RDYU         0         0         0         0         0         0         0         0    
// WRU          0         0         0         0         0         0         0         0    
// RDYU         0         1         1         1         1         1         1         0    
// X2U_ex       0         0         0         0         0         0         0         0    
// U2X_th       0         0         0         0         0         0         0         0    
// unused       0         0         0         0         0         0         0         0    
//                     
// END DO NOT EDIT     
// DO NOT EDIT ...                                                                         
//                                                                                         
// GPIF Waveform 1: Single W                                                                
//                                                                                         
// Interval     0         1         2         3         4         5         6     Idle (7) 
//          _________ _________ _________ _________ _________ _________ _________ _________
//                                                                                         
// AddrMode Same Val  Same Val  Same Val  Same Val  Same Val  Same Val  Same Val           
// DataMode NO Data   NO Data   Activate  NO Data   NO Data   NO Data   NO Data            
// NextData SameData  SameData  SameData  SameData  SameData  SameData  SameData           
// Int Trig No Int    No Int    No Int    No Int    No Int    No Int    No Int             
// IF/Wait  IF        IF        IF        IF        Wait 1    Wait 1    Wait 1             
//   Term A WRX       RDYX      RDYX      RDYX                                             
//   LFunc  OR        AND       AND       AND                                              
//   Term B WRX       RDYX      IntReady  RDYX                                             
// Branch1  ThenIdle  Then 2    ThenIdle  Then 3                                           
// Branch0  Else 1    Else 1    Else 3    ElseIdle                                         
// Re-Exec  No        No        Yes       No                                               
// Sngl/CRC Default   Default   Default   Default   Default   Default   Default            
// RDYU         0         0         0         0         0         0         0         0    
// WRU          0         1         1         1         1         1         1         0    
// RDYU         0         0         0         1         1         1         1         0    
// X2U_ex       0         0         0         0         0         0         0         0    
// U2X_th       0         0         0         0         0         0         0         0    
// unused       0         0         0         0         0         0         0         0    
//                     
// END DO NOT EDIT     
// DO NOT EDIT ...                                                                         
//                                                                                         
// GPIF Waveform 2: FIFO Rea                                                                
//                                                                                         
// Interval     0         1         2         3         4         5         6     Idle (7) 
//          _________ _________ _________ _________ _________ _________ _________ _________
//                                                                                         
// AddrMode Same Val  Same Val  Same Val  Same Val  Same Val  Same Val  Same Val           
// DataMode NO Data   NO Data   NO Data   Activate  Activate  NO Data   NO Data            
// NextData SameData  SameData  SameData  SameData  NextData  SameData  SameData           
// Int Trig No Int    No Int    No Int    No Int    Trig Int  No Int    No Int             
// IF/Wait  IF        Wait 2    Wait 1    IF        Wait 1    IF        IF                 
//   Term A WRX                           WRX                 WRX       WRX                
//   LFunc  AND                           AND                 AND       AND                
//   Term B WRX                           WRX                 WRX       WRX                
// Branch1  Then 1                        Then 3              ThenIdle  ThenIdle           
// Branch0  Else 0                        Else 4              ElseIdle  ElseIdle           
// Re-Exec  No                            Yes                 No        Yes                
// Sngl/CRC Default   Default   Default   Default   Default   Default   Default            
// RDYU         0         0         0         0         0         0         0         0    
// WRU          0         0         0         0         0         0         0         0    
// RDYU         0         0         1         1         1         0         0         0    
// X2U_ex       0         1         1         1         1         0         0         0    
// U2X_th       0         0         0         0         0         0         0         0    
// unused       0         0         0         0         0         0         0         0    
//                     
// END DO NOT EDIT     
// DO NOT EDIT ...                                                                         
//                                                                                         
// GPIF Waveform 3: FIFO Wri                                                                
//                                                                                         
// Interval     0         1         2         3         4         5         6     Idle (7) 
//          _________ _________ _________ _________ _________ _________ _________ _________
//                                                                                         
// AddrMode Same Val  Same Val  Same Val  Same Val  Same Val  Same Val  Same Val           
// DataMode NO Data   NO Data   NO Data   Activate  Activate  Activate  NO Data            
// NextData SameData  SameData  SameData  SameData  NextData  NextData  SameData           
// Int Trig No Int    No Int    No Int    No Int    No Int    Trig Int  No Int             
// IF/Wait  IF        Wait 1    IF        Wait 1    IF        IF        IF                 
//   Term A WRX                 WRX                 FIFOFlag  RDYX      WRX                
//   LFunc  AND                 AND                 AND       AND       AND                
//   Term B WRX                 WRX                 FIFOFlag  RDYX      WRX                
// Branch1  ThenIdle            Then 2              Then 5    Then 5    ThenIdle           
// Branch0  Else 1              Else 3              Else 4    ElseIdle  ElseIdle           
// Re-Exec  No                  No                  Yes       No        No                 
// Sngl/CRC Default   Default   Default   Default   Default   Default   Default            
// RDYU         0         0         0         0         0         0         0         0    
// WRU          0         1         1         1         1         0         0         0    
// RDYU         0         0         0         0         0         0         0         0    
// X2U_ex       0         0         0         0         0         0         0         0    
// U2X_th       0         0         0         0         0         0         0         0    
// unused       0         0         0         0         0         0         0         0    
//                     
// END DO NOT EDIT     
 
// GPIF Program Code                          
 
// DO NOT EDIT ...                            
#include "fx2.h"                            
#include "fx2regs.h"                        
#include "fx2sdly.h"     // SYNCDELAY macro 
// END DO NOT EDIT                            
 
// DO NOT EDIT ...                     
const char xdata WaveData[128] =     
{                                      
// Wave 0 
/* LenBr */ 0x8F,     0x01,     0xBF,     0x01,     0x01,     0x01,     0x01,     0x07,
/* Opcode*/ 0x01,     0x00,     0x03,     0x02,     0x02,     0x02,     0x02,     0x00,
/* Output*/ 0x00,     0x04,     0x04,     0x04,     0x04,     0x04,     0x04,     0x00,
/* LFun  */ 0x00,     0x00,     0x00,     0x00,     0x00,     0x00,     0x00,     0x3F,
// Wave 1 
/* LenBr */ 0x39,     0x11,     0xBB,     0x1F,     0x01,     0x01,     0x01,     0x07,
/* Opcode*/ 0x01,     0x01,     0x03,     0x01,     0x00,     0x00,     0x00,     0x00,
/* Output*/ 0x00,     0x02,     0x02,     0x06,     0x06,     0x06,     0x06,     0x00,
/* LFun  */ 0x40,     0x09,     0x0F,     0x09,     0x00,     0x00,     0x00,     0x3F,
// Wave 2 
/* LenBr */ 0x08,     0x02,     0x01,     0x9C,     0x01,     0x3F,     0xBF,     0x07,
/* Opcode*/ 0x01,     0x00,     0x00,     0x03,     0x16,     0x01,     0x01,     0x00,
/* Output*/ 0x00,     0x08,     0x0C,     0x0C,     0x0C,     0x00,     0x00,     0x00,
/* LFun  */ 0x00,     0x00,     0x00,     0x00,     0x00,     0x00,     0x00,     0x3F,
// Wave 3 
/* LenBr */ 0x39,     0x01,     0x13,     0x01,     0xAC,     0x2F,     0x3F,     0x07,
/* Opcode*/ 0x01,     0x00,     0x01,     0x02,     0x07,     0x17,     0x01,     0x00,
/* Output*/ 0x00,     0x02,     0x02,     0x02,     0x02,     0x00,     0x00,     0x00,
/* LFun  */ 0x00,     0x00,     0x00,     0x00,     0x36,     0x09,     0x00,     0x3F,
};                     
// END DO NOT EDIT     
 
// DO NOT EDIT ...                     
const char xdata FlowStates[36] =   
{                                      
/* Wave 0 FlowStates */ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
/* Wave 1 FlowStates */ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
/* Wave 2 FlowStates */ 0x83,0x36,0x04,0x00,0x03,0x23,0x03,0x02,0x00,
/* Wave 3 FlowStates */ 0x84,0x09,0x02,0x02,0x04,0x23,0x03,0x02,0x00,
};                     
// END DO NOT EDIT     
 
// DO NOT EDIT ...                                               
const char xdata InitData[7] =                                   
{                                                                
/* Regs  */ 0xE0,0x00,0x00,0x00,0xEE,0x4E,0x00     
};                                                               
// END DO NOT EDIT                                               
 
// TO DO: You may add additional code below.
 
void GpifInit( void )
{
  BYTE i;
 
  // Registers which require a synchronization delay, see section 15.14
  // FIFORESET        FIFOPINPOLAR
  // INPKTEND         OUTPKTEND
  // EPxBCH:L         REVCTL
  // GPIFTCB3         GPIFTCB2
  // GPIFTCB1         GPIFTCB0
  // EPxFIFOPFH:L     EPxAUTOINLENH:L
  // EPxFIFOCFG       EPxGPIFFLGSEL
  // PINFLAGSxx       EPxFIFOIRQ
  // EPxFIFOIE        GPIFIRQ
  // GPIFIE           GPIFADRH:L
  // UDMACRCH:L       EPxGPIFTRIG
  // GPIFTRIG
 
  // Note: The pre-REVE EPxGPIFTCH/L register are affected, as well...
  //      ...these have been replaced by GPIFTC[B3:B0] registers
 
  // 8051 doesn't have access to waveform memories 'til
  // the part is in GPIF mode.
 
  IFCONFIG = 0xEE;
  // IFCLKSRC=1   , FIFOs executes on internal clk source
  // xMHz=1       , 48MHz internal clk rate
  // IFCLKOE=0    , Don't drive IFCLK pin signal at 48MHz
  // IFCLKPOL=0   , Don't invert IFCLK pin signal from internal clk
  // ASYNC=1      , master samples asynchronous
  // GSTATE=1     , Drive GPIF states out on PORTE[2:0], debug WF
  // IFCFG[1:0]=10, FX2 in GPIF master mode
 
  GPIFABORT = 0xFF;  // abort any waveforms pending
 
  GPIFREADYCFG = InitData[ 0 ];
  GPIFCTLCFG = InitData[ 1 ];
  GPIFIDLECS = InitData[ 2 ];
  GPIFIDLECTL = InitData[ 3 ];
  GPIFWFSELECT = InitData[ 5 ];
  GPIFREADYSTAT = InitData[ 6 ];
 
  // use dual autopointer feature... 
  AUTOPTRSETUP = 0x07;          // inc both pointers, 
                                // ...warning: this introduces pdata hole(s)
                                // ...at E67B (XAUTODAT1) and E67C (XAUTODAT2)
 
  // source
  AUTOPTRH1 = MSB( &WaveData );
  AUTOPTRL1 = LSB( &WaveData );
 
  // destination
  AUTOPTRH2 = 0xE4;
  AUTOPTRL2 = 0x00;
 
  // transfer
  for ( i = 0x00; i < 128; i++ )
  {
    EXTAUTODAT2 = EXTAUTODAT1;
  }
 
// Configure GPIF Address pins, output initial value,
  PORTCCFG = 0xFF;    // [7:0] as alt. func. GPIFADR[7:0]
  OEC = 0xFF;         // and as outputs
  PORTECFG |= 0x80;   // [8] as alt. func. GPIFADR[8]
  OEE |= 0x80;        // and as output
 
// ...OR... tri-state GPIFADR[8:0] pins
//  PORTCCFG = 0x00;  // [7:0] as port I/O
//  OEC = 0x00;       // and as inputs
//  PORTECFG &= 0x7F; // [8] as port I/O
//  OEE &= 0x7F;      // and as input
 
// GPIF address pins update when GPIFADRH/L written
  SYNCDELAY;                    // 
  GPIFADRH = 0x00;    // bits[7:1] always 0
  SYNCDELAY;                    // 
  GPIFADRL = 0x00;    // point to PERIPHERAL address 0x0000
 
// Configure GPIF FlowStates registers for Wave 0 of WaveData
  FLOWSTATE = FlowStates[ 0 ];
  FLOWLOGIC = FlowStates[ 1 ];
  FLOWEQ0CTL = FlowStates[ 2 ];
  FLOWEQ1CTL = FlowStates[ 3 ];
  FLOWHOLDOFF = FlowStates[ 4 ];
  FLOWSTB = FlowStates[ 5 ];
  FLOWSTBEDGE = FlowStates[ 6 ];
  FLOWSTBHPERIOD = FlowStates[ 7 ];
}