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kpicosim/src/jtag.h

64 lines
1.0 KiB

#include <stdint.h>
#include <fcntl.h>
class CJTAG {
public:
enum JTAG_STATE {
ST_UNDEFINED,
ST_TEST_LOGIC_RESET,
ST_RUN_TEST_IDLE,
ST_SELECT_DR_SCAN,
ST_CAPTURE_DR,
ST_SHIFT_DR,
ST_EXIT_DR,
ST_PAUSE_DR,
ST_EXIT2_DR,
ST_UPDATE_DR,
ST_SELECT_IR_SCAN,
ST_CAPTURE_IR,
ST_SHIFT_IR,
ST_EXIT_IR,
ST_PAUSE_IR,
ST_EXIT2_IR,
ST_UPDATE_IR
} ;
CJTAG() ;
~CJTAG() ;
bool open( char *dev ) ;
void close() ;
void selectIR() ;
void setIR( bool *instruction, int len ) ;
void exitIR( bool b ) ;
void selectDR() ;
void setDR( bool *data, bool *out, int len ) ; // 'data' is replaced by data that is read.
bool exitDR( bool data ) ;
void selectRunTestIdle() ;
void selectTestLogicReset() ;
bool execute( bool TMS, bool TDI ) ;
void setVerbose( bool verbose ) ;
void printState() ;
bool isOpen() ;
private:
void error( char *str ) ;
bool step( bool TMS, bool TDI ) ;
int m_fd ;
bool m_open ;
enum JTAG_STATE m_state ;
bool m_verbose ;
} ;