37 lines
1.1 KiB
C
Executable File
37 lines
1.1 KiB
C
Executable File
/*******************************************************/
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/* file: ports.h */
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/* abstract: This file contains extern declarations */
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/* for providing stimulus to the JTAG ports.*/
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/*******************************************************/
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#ifndef ports_dot_h
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#define ports_dot_h
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/* these constants are used to send the appropriate ports to setPort */
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/* they should be enumerated types, but some of the microcontroller */
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/* compilers don't like enumerated types */
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#define TCK (short) 0
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#define TMS (short) 1
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#define TDI (short) 2
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/* set the port "p" (TCK, TMS, or TDI) to val (0 or 1) */
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extern void setPort(short p, short val);
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/* read the TDO bit and store it in val */
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extern unsigned char readTDOBit();
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/* make clock go down->up->down*/
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extern void pulseClock();
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/* read the next byte of data from the xsvf file */
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extern void readByte(unsigned char *data);
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extern void waitTime(long microsec);
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/* set the callback function used to read the next byte of the xsvf data */
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typedef unsigned char (*ReadFuncPtr)(void);
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extern void setReadCallback(ReadFuncPtr p);
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#endif
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