From cab7429540a5790d4fe0997c3fa056386ebaca5f Mon Sep 17 00:00:00 2001
From: Tom Rondeau <trondeau@vt.edu>
Date: Sun, 17 Mar 2013 17:45:38 -0400
Subject: core: removed i2c, sdr1000, microtune code.
---
gnuradio-core/src/lib/io/i2c_bitbang.cc | 144 --------------------------------
1 file changed, 144 deletions(-)
delete mode 100644 gnuradio-core/src/lib/io/i2c_bitbang.cc
(limited to 'gnuradio-core/src/lib/io/i2c_bitbang.cc')
diff --git a/gnuradio-core/src/lib/io/i2c_bitbang.cc b/gnuradio-core/src/lib/io/i2c_bitbang.cc
deleted file mode 100644
index eb801c68f5..0000000000
--- a/gnuradio-core/src/lib/io/i2c_bitbang.cc
+++ /dev/null
@@ -1,144 +0,0 @@
-/* -*- c++ -*- */
-/*
- * Copyright 2001,2004 Free Software Foundation, Inc.
- *
- * This file is part of GNU Radio
- *
- * GNU Radio 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, or (at your option)
- * any later version.
- *
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
- */
-
-#include "i2c_bitbang.h"
-
-i2c_bitbang::i2c_bitbang (i2c_bbio_sptr io)
-{
- d_io = io;
- d_io->lock ();
-
- stop (); // get bus in known state
-
- d_io->unlock ();
-}
-
-i2c_sptr
-make_i2c_bitbang (i2c_bbio_sptr io)
-{
- return i2c_sptr (new i2c_bitbang (io));
-}
-
-
-// start:
-// entry: SCL = 1, SDA = 1
-// exit: SCL = 0, SDA = 0
-
-void
-i2c_bitbang::start ()
-{
- set_sda (1);
- set_scl (1);
- set_sda (0); // SDA high -> low while SCL high
- set_scl (0);
-}
-
-
-// stop:
-// entry: SCL = X, SDA = X
-// exit: SCL = 1, SDA = 1
-
-void
-i2c_bitbang::stop ()
-{
- set_scl (0);
- set_sda (0);
- set_scl (1);
- set_sda (1); // SDA low -> high while SCL high
-}
-
-
-// write_bit:
-// entry: SCL = 0, SDA = X
-// exit: SCL = 0, SDA = X
-
-void
-i2c_bitbang::write_bit (bool bit)
-{
- set_sda (bit);
- set_scl (1);
- set_scl (0);
-}
-
-
-// write_byte:
-// entry: SCL = 0, SDA = X
-// exit: SCL = 0, SDA = 1
-
-bool
-i2c_bitbang::write_byte (char t)
-{
- int i;
- bool ack_bit;
-
- for (i = 0; i < 8; i++){
- write_bit (t & 0x80);
- t <<= 1;
- }
-
- // clock #9. This is the ACK bit.
-
- set_sda (1); // tristate SDA
- set_scl (1);
- ack_bit = get_sda (); // slave should pull SDA line low
- set_scl (0);
-
- return ack_bit == 0;
-}
-
-
-// write: the high level entry point...
-// entry: SCL = 1, SDA = 1
-// exit: SCL = 1, SDA = 1
-
-bool
-i2c_bitbang::write (int addr, const unsigned char *buf, int nbytes)
-{
- bool ok = true;
-
- d_io->lock ();
- start ();
- ok = write_byte ((addr << 1) | 0); // addr plus "read opcode"
-
- for (int i = 0; i < nbytes; i++)
- ok &= write_byte (buf[i]);
-
- stop ();
- d_io->unlock ();
- return ok;
-}
-
-
-// read: the high level entry point...
-// entry: SCL = 1, SDA = 1
-// exit: SCL = 1, SDA = 1
-
-int
-i2c_bitbang::read (int addr, unsigned char *buf, int max_bytes)
-{
- d_io->lock ();
-
- // FIXME
-
- d_io->unlock ();
- return -1;
-}
--
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