add missing files not taken with github import

2017-12-25 10:21:08 +01:00
parent c6de494f33
commit d6a9aa14e3
260 changed files with 75195 additions and 0 deletions
--- a/include/i2c.h
+++ b/include/i2c.h
@@ -0,0 +1,97 @@
+/* ------------------------------------------------------------------------- */
+/*                                                                           */
+/* i2c.h - definitions for the i2c-bus interface                             */
+/*                                                                           */
+/* ------------------------------------------------------------------------- */
+/*   Copyright (C) 1995-2000 Simon G. Vogl
+
+    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 2 of the License, or
+    (at your option) any later version.
+
+    This program 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 this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.		     */
+/* ------------------------------------------------------------------------- */
+
+/* With some changes from Ky<4B>sti M<>lkki <kmalkki@cc.hut.fi> and
+   Frodo Looijaard <frodol@dds.nl> */
+
+/* $Id: i2c.h,v 1.1.1.1 2012/08/16 18:43:05 mfro Exp $ */
+
+#ifndef _I2C_H
+#define _I2C_H
+
+#include "bas_types.h"
+
+/* --- General options ------------------------------------------------	*/
+
+struct i2c_msg;
+struct i2c_algorithm;
+struct i2c_adapter;
+
+/* Transfer num messages.
+ */
+extern int i2c_transfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num);
+
+/*
+ * The following structs are for those who like to implement new bus drivers:
+ * i2c_algorithm is the interface to a class of hardware solutions which can
+ * be addressed using the same bus algorithms - i.e. bit-banging or the PCF8584
+ * to name two of the most common.
+ */
+struct i2c_algorithm
+{
+    unsigned int id;
+    int (*master_xfer)(struct i2c_adapter *adap,struct i2c_msg *msgs, int num);
+    /* --- ioctl like call to set div. parameters. */
+    int (*algo_control)(struct i2c_adapter *, unsigned int, unsigned long);
+};
+
+/*
+ * i2c_adapter is the structure used to identify a physical i2c bus along
+ * with the access algorithms necessary to access it.
+ */
+struct i2c_adapter
+{
+    struct i2c_algorithm *algo;     /* the algorithm to access the bus	*/
+    void *algo_data;
+    int timeout;
+    int retries;
+    int nr;
+};
+
+/*
+ * I2C Message - used for pure i2c transaction, also from /dev interface
+ */
+struct i2c_msg
+{
+    unsigned short addr;	/* slave address			*/
+    unsigned short flags;
+#define I2C_M_TEN           0x10	/* we have a ten bit chip address	*/
+#define I2C_M_RD            0x01
+#define I2C_M_NOSTART       0x4000
+#define I2C_M_REV_DIR_ADDR  0x2000
+#define I2C_M_IGNORE_NAK    0x1000
+#define I2C_M_NO_RD_ACK     0x0800
+    unsigned short len;     /* msg length				*/
+    unsigned char *buf;     /* pointer to msg data			*/
+};
+
+/*
+extern void i2c_init(void);
+extern void i2c_set_frequency(int hz);
+extern int i2c_read(int address, char *data, int lengt, bool repeated);
+extern int i2c_read_byte(int ack);
+extern int i2c_write(int address, const char *data, int length, bool repeated);
+extern int i2c_write_byte(int data);
+extern void i2c_start(void);
+extern void i2c_stop(void);
+*/
+#endif /* _I2C_H */