Move OS-dependent serial code from buspirate_spi.c to serial.c
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>
diff --git a/serial.c b/serial.c
index e22a8fa..be88166 100644
--- a/serial.c
+++ b/serial.c
@@ -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 @@
}
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;
+}