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I2C 的代码
i2c.c
#include
#include "I2C.h"
//定义管脚
#define SCL BIT6
#define SDA BIT5
void I2C_Initial( void )
{
//将SCL管脚设置为输出管脚
P1DIR |= SCL;
I2C_Set_sck_low();
I2C_STOP(
i2c.c
#include
#include "i2c.h"
#define SLAVEADDR 0x50;
int tx_count;
int rx_count;
unsigned char I2CBuffer[3];
void InitI2C(void)
{
//将P3.1和P3.3设置为I2C管脚
P3SEL = 0x
i2c.c
#include "I2C.h"
#include "common.h"
#define SDA BIT3
#define SCL BIT2
void I2C_Initial( void )
{
P1DIR |= BIT2; //将SCL管脚（P1.2)设置为输出管脚
I2C_Set_sck_low();
I2C_STOP();
i2c.h
#include
//定义管脚
#define SCL BIT2
#define SDA BIT3
//定义函数
void I2C_Initial(void);
void I2C_Set_sda_high(void);
void I2C_Set_sda_low (void);
void I2C_Set_sck_high(void);
void I2C
i2c.c
#include "I2C.h"
void I2C_Initial( void )
{
//将SCL管脚设置为输出管脚
P1DIR |= SCL;
I2C_Set_sck_low();
I2C_STOP();
Delay_ms(10);
return;
}
void I2C_Set_sda_high( void )
i2c.h
#include
//定义管脚
#define SCL BIT6
#define SDA BIT5
//定义函数
void I2C_Initial(void);
void I2C_Set_sda_high(void);
void I2C_Set_sda_low (void);
void I2C_Set_sck_high(void);
void I2C
i2c.c
#include
#include "I2C.h"
void I2C_Initial( void )
{
P1DIR = 0x00;
P1OUT = 0x00;
//将SCL管脚设置为输出管脚
P1DIR |= SCL;
I2C_Set_sck_low();
I2C_STOP();
i2c.lst
C51 COMPILER V7.06 I2C 06/02/2010 14:14:53 PAGE 1
C51 COMPILER V7.06, COMPILATION OF MODULE I2C
OBJECT MODULE PLACED IN .\o
i2c.lst
C51 COMPILER V7.06 I2C 06/17/2010 16:04:36 PAGE 1
C51 COMPILER V7.06, COMPILATION OF MODULE I2C
OBJECT MODULE PLACED IN .\o
i2c.lst
C51 COMPILER V7.06 I2C 06/08/2010 12:40:45 PAGE 1
C51 COMPILER V7.06, COMPILATION OF MODULE I2C
OBJECT MODULE PLACED IN .\o