64 lines
2.3 KiB
C
64 lines
2.3 KiB
C
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#pragma once
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#include "ac_cfg.h"
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#include <stdint.h>
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#ifdef HAVE_LIBFTDI1
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# include <libftdi1/ftdi.h>
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#else
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# error "libftdi1 required for avrftdi."
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#endif
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#include "pgm.h"
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#define E(x, ftdi) \
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do { \
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if ((x)) \
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{ \
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fprintf(stderr, "%s:%d %s() %s: %s (%d)\n\t%s\n", \
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__FILE__, __LINE__, __FUNCTION__, \
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#x, strerror(errno), errno, ftdi_get_error_string(ftdi)); \
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return -1; \
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} \
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} while(0)
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#define E_VOID(x, ftdi) \
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do { \
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if ((x)) \
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{ \
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fprintf(stderr, "%s:%d %s() %s: %s (%d)\n\t%s\n", \
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__FILE__, __LINE__, __FUNCTION__, \
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#x, strerror(errno), errno, ftdi_get_error_string(ftdi)); \
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} \
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} while(0)
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#define to_pdata(pgm) \
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((avrftdi_t *)((pgm)->cookie))
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typedef struct avrftdi_s {
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/* pointer to struct maintained by libftdi to identify the device */
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struct ftdi_context* ftdic;
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/* bitmask of values for pins. bit 0 represents pin 0 ([A|B]DBUS0) */
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uint16_t pin_value;
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/* bitmask of pin direction. a '1' make a pin an output.
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* bit 0 corresponds to pin 0. */
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uint16_t pin_direction;
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/* don't know. not useful. someone put it in. */
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uint16_t led_mask;
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/* total number of pins supported by a programmer. varies with FTDI chips */
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int pin_limit;
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/* internal RX buffer of the device. needed for INOUT transfers */
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int rx_buffer_size;
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/* number of guard bits for TPI. should be moved to struct PROGRAMMER */
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int guard_bits;
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/* function pointer to the set_pin function, so that we do not have to drag
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* it into global scope. it's a hack, but i think it's slightly better than
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* the alternative.
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*/
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int (*set_pin)(PROGRAMMER *, int, int);
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} avrftdi_t;
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void avrftdi_print(int level, const char * fmt, ...);
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