thodg/cgminer/fpgautils.h

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• Hash : 71bae003
  Author :
  Date : 2013-04-05T14:52:07
  

  First draft of port of avalon driver to new cgminer queued infrastructure.

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• fpgautils.h

• /*
   * Copyright 2012 Luke Dashjr
   *
   * This program is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License as published by the Free
   * Software Foundation; either version 3 of the License, or (at your option)
   * any later version.  See COPYING for more details.
   */
  
  #ifndef FPGAUTILS_H
  #define FPGAUTILS_H
  
  #include <stdbool.h>
  #include <stdio.h>
  
  typedef bool(*detectone_func_t)(const char*);
  typedef int(*autoscan_func_t)();
  
  extern int _serial_detect(struct device_drv *drv, detectone_func_t, autoscan_func_t, bool force_autoscan);
  #define serial_detect_fauto(drv, detectone, autoscan)  \
  	_serial_detect(drv, detectone, autoscan, true)
  #define serial_detect_auto(drv, detectone, autoscan)  \
  	_serial_detect(drv, detectone, autoscan, false)
  #define serial_detect(drv, detectone)  \
  	_serial_detect(drv, detectone, NULL, false)
  extern int serial_autodetect_devserial(detectone_func_t, const char *prodname);
  extern int serial_autodetect_udev(detectone_func_t, const char *prodname);
  
  extern int serial_open(const char *devpath, unsigned long baud, signed short timeout, bool purge);
  extern ssize_t _serial_read(int fd, char *buf, size_t buflen, char *eol);
  #define serial_read(fd, buf, count)  \
  	_serial_read(fd, (char*)(buf), count, NULL)
  #define serial_read_line(fd, buf, bufsiz, eol)  \
  	_serial_read(fd, buf, bufsiz, &eol)
  #define serial_close(fd)  close(fd)
  
  extern FILE *open_bitstream(const char *dname, const char *filename);
  
  extern int get_serial_cts(int fd);
  
  #ifndef WIN32
  extern const struct timeval tv_timeout_default;
  extern const struct timeval tv_inter_char_default;
  
  extern size_t _select_read(int fd, char *buf, size_t bufsiz, struct timeval *timeout, struct timeval *char_timeout, int finished);
  extern size_t _select_write(int fd, char *buf, size_t siz, struct timeval *timeout);
  
  #define select_open(devpath) \
  	serial_open(devpath, 0, 0, false)
  
  #define select_open_purge(devpath, purge)\
  	serial_open(devpath, 0, 0, purge)
  
  #define select_write(fd, buf, siz) \
  	_select_write(fd, buf, siz, (struct timeval *)(&tv_timeout_default))
  
  #define select_write_full _select_write
  
  #define select_read(fd, buf, bufsiz) \
  	_select_read(fd, buf, bufsiz, (struct timeval *)(&tv_timeout_default), \
  			(struct timeval *)(&tv_inter_char_default), -1)
  
  #define select_read_til(fd, buf, bufsiz, eol) \
  	_select_read(fd, buf, bufsiz, (struct timeval *)(&tv_timeout_default), \
  			(struct timeval *)(&tv_inter_char_default), eol)
  
  #define select_read_wait(fd, buf, bufsiz, timeout) \
  	_select_read(fd, buf, bufsiz, timeout, \
  			(struct timeval *)(&tv_inter_char_default), -1)
  
  #define select_read_wait_til(fd, buf, bufsiz, timeout, eol) \
  	_select_read(fd, buf, bufsiz, timeout, \
  			(struct timeval *)(&tv_inter_char_default), eol)
  
  #define select_read_wait_both(fd, buf, bufsiz, timeout, char_timeout) \
  	_select_read(fd, buf, bufsiz, timeout, char_timeout, -1)
  
  #define select_read_full _select_read
  
  #define select_close(fd)  close(fd)
  
  #endif // ! WIN32
  
  #endif
  

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