/*************************************************************************** * __________ __ ___. * Open \______ \ ____ ____ | | _\_ |__ _______ ___ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ * \/ \/ \/ \/ \/ * $Id$ * * Copyright (C) 2007 by Michael Sevakis * * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY * KIND, either express or implied. * ****************************************************************************/ /* chip-specific i2c functions */ /* IICCON */ #define I2C_ACKGEN (1 << 7) #define I2C_TXCLK_512 (1 << 6) #define I2C_TXRX_INTENB (1 << 5) #define I2C_TXRX_INTPND (1 << 4) /* IICSTAT */ #define I2C_MODE_MASTER (2 << 6) #define I2C_MODE_TX (1 << 6) #define I2C_BUSY (1 << 5) #define I2C_START (1 << 5) #define I2C_RXTX_ENB (1 << 4) #define I2C_BUS_ARB_FAILED (1 << 3) #define I2C_S_ADDR_STAT (1 << 2) #define I2C_S_ADDR_MATCH (1 << 1) #define I2C_ACK_L (1 << 0) /* IICLC */ #define I2C_FLT_ENB (1 << 2) void i2c_init(void) INIT_ATTR; void i2c_write(int addr, const unsigned char *data, int count);