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I2C 的代码
tas3001c.c
/*
* Driver for the i2c/i2s based TA3004 sound chip used
* on some Apple hardware. Also known as "snapper".
*
* Tobias Sargeant
* Based upon, tas3001c.c by Christoph
tas3004.c
/*
* Driver for the i2c/i2s based TA3004 sound chip used
* on some Apple hardware. Also known as "snapper".
*
* Tobias Sargeant
* Based upon tas3001c.c by Christophe
tst_ds1621.vhd
--
--
-- State machine for reading data from Dallas 1621
--
-- Testsystem for i2c controller
--
--
library ieee;
use ieee.std_logic_1164.all;
use ieee.std_logic_arith.all;
use work.i2c.all;
entity D
i2ctest.c
/****************************************************************************
* 文件名：I2CTest.C
* 功能：使用硬件I2C对E2PROM进行操作，利用中断方式操作。
* 说明：将跳线器JP5、JP9短接。
************************************************
i2ccore.c
/* I2cCore.c - MPC8220 PPC I2C Library */
/* Copyright 2004 Freescale Semiconductor, Inc. */
/*
modification history
--------------------
01c,29jun04,tcl 1.3 removed CR. Added two bytes offset
i2ctest.c
/****************************************************************************
* 文件名：I2CTest.C
* 功能：使用硬件I2C对E2PROM进行操作，利用中断方式操作。
* 说明：将跳线器JP5、JP9短接。
************************************************
i2ccore.c
/* I2cCore.c - MPC8220 PPC I2C Library */
/* Copyright 2004 Freescale Semiconductor, Inc. */
/*
modification history
--------------------
01c,29jun04,tcl 1.3 removed CR. Added two bytes offset
i2crtc.c
#include "i2crtc.h"
#define RTC_ADDRESS 0xA2 // I2C address of Real Time Clock
#define TIMEOUT 0xAA0F // timer reload value gives 22ms timeout period
i2cbus.asm
FLAG EQU RLT ; I2C状态标志寄存器
ERCODE EQU RLTH ; 错误码备份
TXBUF EQU SOU ; 发送数据缓冲器
RXBUF EQU SOUH ; 接收数据缓冲器
BCOUNT EQU CNT
i2c.lis
.module I2c.c
.area text(rom, con, rel)
0000 .dbfile D:\avrmcu\AT980\I2C\I2c.c
0000 .dbfunc s I2C_delay _I2C_