exSID_defs.h

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//
//  exSID_defs.h
//      A simple I/O library for exSID USB - private header file
//
//  (C) 2015-2017 Thibaut VARENE
//  License: GPLv2 - http://www.gnu.org/licenses/gpl-2.0.html
//
 
#ifndef exSID_defs_h
#define exSID_defs_h
 
#ifdef HAVE_CONFIG_H
#  include "config.h"
#endif
 
// CLOCK_FREQ_NTSC = 1022727.14;
// CLOCK_FREQ_PAL  = 985248.4;
 
/* exSID hardware definitions */
#define XS_BDRATE       2000000         
#define XS_BUFFMS       40              
#define XS_SIDCLK       1000000         
#define XS_RSBCLK       (XS_BDRATE/10)  
#define XS_CYCCHR       (XS_SIDCLK/XS_RSBCLK)   
//#define       XS_CYCCHR       ((XS_SIDCLK+XS_RSBCLK-1)/XS_RSBCLK)     // ceiling
#define XS_USBLAT       1               
#define XS_BUFFSZ       ((((XS_RSBCLK/1000)*XS_BUFFMS)/62)*62)  
#define XS_LDMULT       501             
 
#define XS_MINDEL       (XS_CYCCHR)     
#define XS_CYCIO        (2*XS_CYCCHR)   
#define XS_MAXADJ       7               
#define XS_LDOFFS       (3*XS_CYCCHR)   
 
/* exSID+ hardware definitions */
#define XSP_MINDEL      2               
#define XSP_CYCIO       3               
#define XSP_PRE_RD      2
#define XSP_POSTRD      2
#define XSP_MAXADJ      4               
#define XSP_LDOFFS      3               
#define XSP_CYCCS       2               
 
/* IOCTLS */
/* IO controls 0x3D to 0x7F are only implemented on exSID+ */
#define XSP_AD_IOCTCP   0x3D    
#define XSP_AD_IOCTCN   0x3E    
#define XSP_AD_IOCTC1   0x3F    
 
#define XSP_AD_IOCTA0   0x5D    
#define XSP_AD_IOCTA1   0x5E    
#define XSP_AD_IOCTA2   0x5F    
 
#define XSP_AD_IOCTA3   0x7D    
#define XSP_AD_IOCTAM   0x7E    
#define XSP_AD_IOCTAU   0x7F    
 
#define XS_AD_IOCTD1    0x9D    
#define XS_AD_IOCTLD    0x9E    
 
#define XS_AD_IOCTS0    0xBD    
#define XS_AD_IOCTS1    0xBE    
#define XS_AD_IOCTSB    0xBF    
 
#define XS_AD_IOCTFV    0xFD    
#define XS_AD_IOCTHV    0xFE    
#define XS_AD_IOCTRS    0xFF    
 
#define XS_USBVID       0x0403  
#define XS_USBPID       0x6001  
#define XS_USBDSC       "exSID USB"
 
#define XSP_USBVID      0x0403  
#define XSP_USBPID      0x6015  
#define XSP_USBDSC      "exSID+ USB"
 
#define XS_MODEL_STD    0
#define XS_MODEL_PLUS   1
 
#ifdef DEBUG
 #define xsdbg(format, ...)       printf("(%s) " format, __func__, ## __VA_ARGS__)
#else
 #define xsdbg(format, ...)       /* nothing */
#endif
 
#define ERRORBUF        256
 
#define xserror(format, ...)      snprintf(xSerrstr, ERRORBUF, "(%s) ERROR " format, __func__, ## __VA_ARGS__)
 
#ifdef HAVE_BUILTIN_EXPECT
 #define likely(x)       __builtin_expect(!!(x), 1)
 #define unlikely(x)     __builtin_expect(!!(x), 0)
#else
 #define likely(x)      (x)
 #define unlikely(x)    (x)
#endif
 
extern char xSerrstr[ERRORBUF+1];       // 256-byte max string for error message
 
#endif /* exSID_defs_h */