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Code Issues Releases Wiki Activity

Move OS-dependent serial code from buspirate_spi.c to serial.c

Browse Source 
While at it, also rename a few functions to make it obvious
that they are generic and not specific to the Bus Pirate.

Corresponding to flashrom svn r830.

Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Patrick Georgi <patrick.georgi@coresystems.de>
This commit is contained in:
Carl-Daniel Hailfinger
2010-01-06 16:09:10 +00:00
parent cc1802db50
commit efa151eb10
3 changed files with 60 additions and 56 deletions
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52
serial.c
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@ -2,6 +2,7 @@
* This file is part of the flashrom project.
*
* Copyright (C) 2009 Urja Rannikko <urjaman@gmail.com>
* Copyright (C) 2009,2010 Carl-Daniel Hailfinger
*
* 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
@ -140,3 +141,54 @@ void sp_flush_incoming(void)
}
return;
}
int serialport_shutdown(void)
{
close(sp_fd);
return 0;
}
int serialport_write(unsigned char *buf, unsigned int writecnt)
{
int tmp = 0;
while (tmp != writecnt) {
tmp = write(sp_fd, buf + tmp, writecnt - tmp);
if (tmp == -1)
return 1;
if (!tmp)
printf_debug("Empty write\n");
}
return 0;
}
int serialport_read(unsigned char *buf, unsigned int readcnt)
{
int tmp = 0;
while (tmp != readcnt) {
tmp = read(sp_fd, buf + tmp, readcnt - tmp);
if (tmp == -1)
return 1;
if (!tmp)
printf_debug("Empty read\n");
}
return 0;
}
int serialport_discard_read(void)
{
int flags;
printf_debug("%s\n", __func__);
flags = fcntl(sp_fd, F_GETFL);
flags |= O_NONBLOCK;
fcntl(sp_fd, F_SETFL, flags);
sp_flush_incoming();
flags &= ~O_NONBLOCK;
fcntl(sp_fd, F_SETFL, flags);
return 0;
}