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[/] [gecko3/] [trunk/] [GECKO3COM/] [gecko3com-fw/] [firmware/] [gpif-design/] [gecko3main_gpif.c] - Blame information for rev 17

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Line No. Rev Author Line
1 9 nussgipfel
// This program configures the General Programmable Interface (GPIF) for FX2.     
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// Please do not modify sections of text which are marked as "DO NOT EDIT ...". 
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//                                                                                
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// DO NOT EDIT ...                  
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// GPIF Initialization              
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// Interface Timing      Sync         
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// Internal Ready Init   IntRdy=1     
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// CTL Out Tristate-able Binary       
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// SingleWrite WF Select     1     
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// SingleRead WF Select      0     
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// FifoWrite WF Select       3     
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// FifoRead WF Select        2     
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// Data Bus Idle Drive   Tristate     
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// END DO NOT EDIT                  
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// DO NOT EDIT ...       
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// GPIF Wave Names       
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// Wave 0   = Single R     
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// Wave 1   = Single W     
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// Wave 2   = FIFO Rea     
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// Wave 3   = FIFO Wri     
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// GPIF Ctrl Outputs   Level   
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// CTL 0    = RDYU     CMOS        
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// CTL 1    = WRU      CMOS        
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// CTL 2    = RDYU     CMOS        
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// CTL 3    = intern   CMOS        
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// CTL 4    = unused   CMOS        
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// CTL 5    = unused   CMOS        
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// GPIF Rdy Inputs         
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// RDY0     = WRX            
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// RDY1     = RDYX           
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// RDY2     = unused         
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// RDY3     = unused         
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// RDY4     = unused         
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// RDY5     = TCXpire        
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// FIFOFlag = FIFOFlag       
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// IntReady = IntReady       
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// END DO NOT EDIT         
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// DO NOT EDIT ...                                                                         
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//                                                                                         
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// GPIF Waveform 0: Single R                                                                
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//                                                                                         
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// Interval     0         1         2         3         4         5         6     Idle (7) 
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//          _________ _________ _________ _________ _________ _________ _________ _________
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//                                                                                         
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// AddrMode Same Val  Same Val  Same Val  Same Val  Same Val  Same Val  Same Val           
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// DataMode NO Data   NO Data   Activate  Activate  Activate  Activate  Activate           
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// NextData SameData  SameData  SameData  SameData  SameData  SameData  SameData           
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// Int Trig No Int    No Int    No Int    No Int    No Int    No Int    No Int             
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// IF/Wait  IF        Wait 1    IF        Wait 1    Wait 1    Wait 1    Wait 1             
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//   Term A WRX                 WRX                                                        
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//   LFunc  AND                 AND                                                        
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//   Term B WRX                 WRX                                                        
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// Branch1  Then 1              ThenIdle                                                   
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// Branch0  ElseIdle            ElseIdle                                                   
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// Re-Exec  Yes                 Yes                                                        
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// Sngl/CRC Default   Default   Default   Default   Default   Default   Default            
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// RDYU         0         0         0         0         0         0         0         0    
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// WRU          0         0         0         0         0         0         0         0    
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// RDYU         0         1         1         1         1         1         1         0    
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// intern       0         0         0         0         0         0         0         0    
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// unused       0         0         0         0         0         0         0         0    
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// unused       0         0         0         0         0         0         0         0    
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//                     
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// END DO NOT EDIT     
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// DO NOT EDIT ...                                                                         
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//                                                                                         
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// GPIF Waveform 1: Single W                                                                
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//                                                                                         
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// Interval     0         1         2         3         4         5         6     Idle (7) 
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//          _________ _________ _________ _________ _________ _________ _________ _________
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//                                                                                         
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// AddrMode Same Val  Same Val  Same Val  Same Val  Same Val  Same Val  Same Val           
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// DataMode NO Data   NO Data   Activate  NO Data   NO Data   NO Data   NO Data            
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// NextData SameData  SameData  SameData  SameData  SameData  SameData  SameData           
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// Int Trig No Int    No Int    No Int    No Int    No Int    No Int    No Int             
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// IF/Wait  IF        IF        IF        IF        Wait 1    Wait 1    Wait 1             
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//   Term A WRX       RDYX      RDYX      RDYX                                             
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//   LFunc  OR        AND       AND       AND                                              
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//   Term B WRX       RDYX      IntReady  RDYX                                             
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// Branch1  ThenIdle  Then 2    ThenIdle  Then 3                                           
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// Branch0  Else 1    Else 1    Else 3    ElseIdle                                         
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// Re-Exec  No        No        Yes       No                                               
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// Sngl/CRC Default   Default   Default   Default   Default   Default   Default            
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// RDYU         0         0         0         0         0         0         0         0    
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// WRU          0         1         1         1         1         1         1         0    
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// RDYU         0         0         0         1         1         1         1         0    
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// intern       0         0         0         0         0         0         0         0    
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// unused       0         0         0         0         0         0         0         0    
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// unused       0         0         0         0         0         0         0         0    
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//                     
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// END DO NOT EDIT     
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// DO NOT EDIT ...                                                                         
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//                                                                                         
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// GPIF Waveform 2: FIFO Rea                                                                
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//                                                                                         
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// Interval     0         1         2         3         4         5         6     Idle (7) 
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//          _________ _________ _________ _________ _________ _________ _________ _________
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//                                                                                         
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// AddrMode Same Val  Same Val  Same Val  Same Val  Same Val  Same Val  Same Val           
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// DataMode NO Data   NO Data   NO Data   Activate  Activate  NO Data   NO Data            
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// NextData SameData  SameData  SameData  SameData  NextData  SameData  SameData           
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// Int Trig No Int    No Int    No Int    No Int    Trig Int  No Int    No Int             
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// IF/Wait  IF        Wait 2    Wait 1    IF        Wait 1    IF        IF                 
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//   Term A WRX                           WRX                 WRX       WRX                
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//   LFunc  AND                           AND                 AND       AND                
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//   Term B WRX                           WRX                 WRX       WRX                
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// Branch1  Then 1                        Then 3              ThenIdle  ThenIdle           
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// Branch0  Else 0                        Else 4              ElseIdle  ElseIdle           
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// Re-Exec  No                            Yes                 No        Yes                
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// Sngl/CRC Default   Default   Default   Default   Default   Default   Default            
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// RDYU         0         0         0         0         0         0         0         0    
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// WRU          0         0         0         0         0         0         0         0    
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// RDYU         0         0         1         1         1         0         0         0    
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// intern       0         1         1         1         1         0         0         0    
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// unused       0         0         0         0         0         0         0         0    
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// unused       0         0         0         0         0         0         0         0    
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//                     
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// END DO NOT EDIT     
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// DO NOT EDIT ...                                                                         
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//                                                                                         
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// GPIF Waveform 3: FIFO Wri                                                                
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//                                                                                         
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// Interval     0         1         2         3         4         5         6     Idle (7) 
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//          _________ _________ _________ _________ _________ _________ _________ _________
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//                                                                                         
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// AddrMode Same Val  Same Val  Same Val  Same Val  Same Val  Same Val  Same Val           
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// DataMode NO Data   NO Data   NO Data   Activate  Activate  Activate  NO Data            
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// NextData SameData  SameData  SameData  SameData  SameData  NextData  SameData           
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// Int Trig No Int    No Int    No Int    No Int    No Int    Trig Int  No Int             
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// IF/Wait  IF        Wait 1    IF        IF        IF        IF        IF                 
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//   Term A WRX                 WRX       RDYX      FIFOFlag  RDYX      WRX                
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//   LFunc  AND                 AND       AND       AND       AND       AND                
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//   Term B WRX                 WRX       RDYX      FIFOFlag  RDYX      WRX                
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// Branch1  ThenIdle            Then 2    Then 4    Then 4    ThenIdle  ThenIdle           
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// Branch0  Else 1              Else 3    Else 3    Else 5    ElseIdle  ElseIdle           
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// Re-Exec  No                  No        No        Yes       No        No                 
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// Sngl/CRC Default   Default   Default   Default   Default   Default   Default            
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// RDYU         0         0         0         0         0         0         0         0    
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// WRU          0         1         1         1         1         0         0         0    
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// RDYU         0         0         0         0         0         0         0         0    
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// intern       0         0         0         0         0         0         0         0    
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// unused       0         0         0         0         0         0         0         0    
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// unused       0         0         0         0         0         0         0         0    
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//                     
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// END DO NOT EDIT     
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// GPIF Program Code                          
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// DO NOT EDIT ...                            
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#include "fx2.h"                            
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#include "fx2regs.h"                        
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#include "fx2sdly.h"     // SYNCDELAY macro 
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// END DO NOT EDIT                            
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// DO NOT EDIT ...                     
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const char xdata WaveData[128] =
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{
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// Wave 0 
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/* LenBr */ 0x8F,     0x01,     0xBF,     0x01,     0x01,     0x01,     0x01,     0x07,
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/* Opcode*/ 0x01,     0x00,     0x03,     0x02,     0x02,     0x02,     0x02,     0x00,
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/* Output*/ 0x00,     0x04,     0x04,     0x04,     0x04,     0x04,     0x04,     0x00,
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/* LFun  */ 0x00,     0x00,     0x00,     0x00,     0x00,     0x00,     0x00,     0x3F,
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// Wave 1 
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/* LenBr */ 0x39,     0x11,     0xBB,     0x1F,     0x01,     0x01,     0x01,     0x07,
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/* Opcode*/ 0x01,     0x01,     0x03,     0x01,     0x00,     0x00,     0x00,     0x00,
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/* Output*/ 0x00,     0x02,     0x02,     0x06,     0x06,     0x06,     0x06,     0x00,
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/* LFun  */ 0x40,     0x09,     0x0F,     0x09,     0x00,     0x00,     0x00,     0x3F,
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// Wave 2 
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/* LenBr */ 0x08,     0x02,     0x01,     0x9C,     0x01,     0x3F,     0xBF,     0x07,
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/* Opcode*/ 0x01,     0x00,     0x00,     0x03,     0x16,     0x01,     0x01,     0x00,
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/* Output*/ 0x00,     0x08,     0x0C,     0x0C,     0x0C,     0x00,     0x00,     0x00,
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/* LFun  */ 0x00,     0x00,     0x00,     0x00,     0x00,     0x00,     0x00,     0x3F,
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// Wave 3 
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/* LenBr */ 0x39,     0x01,     0x13,     0x23,     0xA5,     0x3F,     0x3F,     0x07,
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/* Opcode*/ 0x01,     0x00,     0x01,     0x03,     0x03,     0x17,     0x01,     0x00,
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/* Output*/ 0x00,     0x02,     0x02,     0x02,     0x02,     0x00,     0x00,     0x00,
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/* LFun  */ 0x00,     0x00,     0x00,     0x09,     0x36,     0x09,     0x00,     0x3F,
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};
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// END DO NOT EDIT     
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// DO NOT EDIT ...                     
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const char xdata FlowStates[36] =
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{
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/* Wave 0 FlowStates */ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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/* Wave 1 FlowStates */ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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/* Wave 2 FlowStates */ 0x83,0x36,0x04,0x00,0x03,0x23,0x03,0x02,0x00,
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/* Wave 3 FlowStates */ 0x84,0x09,0x02,0x02,0x02,0x23,0x03,0x02,0x00,
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};
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// END DO NOT EDIT     
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// DO NOT EDIT ...                                               
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const char xdata InitData[7] =
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{
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/* Regs  */ 0xE0,0x00,0x00,0x00,0xEE,0x4E,0x00
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};
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// END DO NOT EDIT                                               
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// TO DO: You may add additional code below.
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void GpifInit( void )
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{
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  BYTE i;
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  // Registers which require a synchronization delay, see section 15.14
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  // FIFORESET        FIFOPINPOLAR
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  // INPKTEND         OUTPKTEND
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  // EPxBCH:L         REVCTL
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  // GPIFTCB3         GPIFTCB2
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  // GPIFTCB1         GPIFTCB0
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  // EPxFIFOPFH:L     EPxAUTOINLENH:L
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  // EPxFIFOCFG       EPxGPIFFLGSEL
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  // PINFLAGSxx       EPxFIFOIRQ
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  // EPxFIFOIE        GPIFIRQ
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  // GPIFIE           GPIFADRH:L
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  // UDMACRCH:L       EPxGPIFTRIG
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  // GPIFTRIG
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  // Note: The pre-REVE EPxGPIFTCH/L register are affected, as well...
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  //      ...these have been replaced by GPIFTC[B3:B0] registers
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  // 8051 doesn't have access to waveform memories 'til
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  // the part is in GPIF mode.
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  IFCONFIG = 0xEE;
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  // IFCLKSRC=1   , FIFOs executes on internal clk source
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  // xMHz=1       , 48MHz internal clk rate
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  // IFCLKOE=0    , Don't drive IFCLK pin signal at 48MHz
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  // IFCLKPOL=0   , Don't invert IFCLK pin signal from internal clk
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  // ASYNC=1      , master samples asynchronous
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  // GSTATE=1     , Drive GPIF states out on PORTE[2:0], debug WF
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  // IFCFG[1:0]=10, FX2 in GPIF master mode
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236
  GPIFABORT = 0xFF;  // abort any waveforms pending
237
 
238
  GPIFREADYCFG = InitData[ 0 ];
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  GPIFCTLCFG = InitData[ 1 ];
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  GPIFIDLECS = InitData[ 2 ];
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  GPIFIDLECTL = InitData[ 3 ];
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  GPIFWFSELECT = InitData[ 5 ];
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  GPIFREADYSTAT = InitData[ 6 ];
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245
  // use dual autopointer feature... 
246
  AUTOPTRSETUP = 0x07;          // inc both pointers, 
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                                // ...warning: this introduces pdata hole(s)
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                                // ...at E67B (XAUTODAT1) and E67C (XAUTODAT2)
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250
  // source
251
  AUTOPTRH1 = MSB( &WaveData );
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  AUTOPTRL1 = LSB( &WaveData );
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254
  // destination
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  AUTOPTRH2 = 0xE4;
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  AUTOPTRL2 = 0x00;
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258
  // transfer
259
  for ( i = 0x00; i < 128; i++ )
260
  {
261
    EXTAUTODAT2 = EXTAUTODAT1;
262
  }
263
 
264
// Configure GPIF Address pins, output initial value,
265
  PORTCCFG = 0xFF;    // [7:0] as alt. func. GPIFADR[7:0]
266
  OEC = 0xFF;         // and as outputs
267
  PORTECFG |= 0x80;   // [8] as alt. func. GPIFADR[8]
268
  OEE |= 0x80;        // and as output
269
 
270
// ...OR... tri-state GPIFADR[8:0] pins
271
//  PORTCCFG = 0x00;  // [7:0] as port I/O
272
//  OEC = 0x00;       // and as inputs
273
//  PORTECFG &= 0x7F; // [8] as port I/O
274
//  OEE &= 0x7F;      // and as input
275
 
276
// GPIF address pins update when GPIFADRH/L written
277
  SYNCDELAY;                    // 
278
  GPIFADRH = 0x00;    // bits[7:1] always 0
279
  SYNCDELAY;                    // 
280
  GPIFADRL = 0x00;    // point to PERIPHERAL address 0x0000
281
 
282
// Configure GPIF FlowStates registers for Wave 0 of WaveData
283
  FLOWSTATE = FlowStates[ 0 ];
284
  FLOWLOGIC = FlowStates[ 1 ];
285
  FLOWEQ0CTL = FlowStates[ 2 ];
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  FLOWEQ1CTL = FlowStates[ 3 ];
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  FLOWHOLDOFF = FlowStates[ 4 ];
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  FLOWSTB = FlowStates[ 5 ];
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  FLOWSTBEDGE = FlowStates[ 6 ];
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  FLOWSTBHPERIOD = FlowStates[ 7 ];
291
}
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