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I2C 的代码
cpvi2c.h
/* cpvI2c.h - I2C bus interface header for PPC 8xx */
/* Copyright 1998-1999 Wind River Systems, Inc. */
/* Copyright 1997,1998,1999 Motorola, Inc., All Rights Reserved */
/*
modification history
--
hawki2c.c
/* hawkI2c.c - Low-Level Hawk I2C Routines */
/* Copyright 1999-2002 Wind River Systems, Inc. All rights reserved */
/* Copyright 1998,1999 Motorola, Inc., All Rights Reserved */
/*
modification his
i2c_s.c
#include
/* 主器件函数库 */
/*******************************************
设置总线函数
用于设置I2C控制寄存器,包括总线时钟,速率及从地址.不接受广播地址
********************************************/
void setbus(uns
sysmpc834xi2c.h
/* sysMpc834xI2c.h - Mpc834x I2C Driver Header Module */
/* Copyright 1998-2005 Motorola, Inc. All Rights Reserved */
/*
modification history
--------------------
01a,21feb05,gtf created
i2c_target 1.dep
Dependencies for Project 'I2C', Target 'Target 1': (DO NOT MODIFY !)
F (.\Startup.s)(0x4985129D)(--device DARMP -g --apcs=interwork -I "C:\Keil\ARM\INC\Philips" --list "Startup.lst" --xref -o "Startu
coregen.log
# Xilinx CORE Generator 6.1i
# User = 刘韬
Initializing default project...
Loading plug-ins...
All runtime messages will be recorded in E:\刘韬\MY_WORK\FPGA\程序\I2C\coregen.log
# busformat=BusFormatAn
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
coregen.log
# Xilinx CORE Generator 6.1i
# User = 刘韬
Initializing default project...
Loading plug-ins...
All runtime messages will be recorded in E:\刘韬\MY_WORK\FPGA\程序\I2C\coregen.log
# busformat=BusFormatAn
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
max6875.c
/*
max6875.c - driver for MAX6874/MAX6875
Copyright (C) 2005 Ben Gardner
Based on i2c/chips/eeprom.c
The MAX6875 has a bank of registers and two banks of EEPRO