source: trunk/FirmwareFX2/fx2/i2c.h@ 174

Last change on this file since 174 was 4, checked in by demin, 15 years ago

initial commit

File size: 1.5 KB
Line 
1/* -*- c++ -*- */
2/*-----------------------------------------------------------------------------
3 * I2C read/write functions for FX2
4 *-----------------------------------------------------------------------------
5 * Code taken from USRP2 firmware (GNU Radio Project), version 3.0.2,
6 * Copyright 2003 Free Software Foundation, Inc.
7 *-----------------------------------------------------------------------------
8 * This code is part of usbjtag. usbjtag is free software; you can redistribute
9 * it and/or modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of the License,
11 * or (at your option) any later version. usbjtag is distributed in the hope
12 * that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
13 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details. You should have received a
15 * copy of the GNU General Public License along with this program in the file
16 * COPYING; if not, write to the Free Software Foundation, Inc., 51 Franklin
17 * St, Fifth Floor, Boston, MA 02110-1301 USA
18 *-----------------------------------------------------------------------------
19 */
20
21#ifndef _I2C_H_
22#define _I2C_H_
23
24// returns non-zero if successful, else 0
25unsigned char i2c_read (unsigned char addr, xdata unsigned char *buf, unsigned char len);
26
27// returns non-zero if successful, else 0
28unsigned char i2c_write (unsigned char addr, xdata const unsigned char *buf, unsigned char len);
29
30#endif /* _I2C_H_ */
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