i2c_te.c

来自「contain many examples code for I2c,UART,」· C语言 代码 · 共 44 行

	#include <pic.h>
	#include "c:\test\i2c.h"
	#include "c:\test\delay.c"

	
unsigned char
i2c_WaitForSCL(void)
{
	
}



unsigned char
i2c_SendByte(unsigned char byte)
{
	signed char i;
	
	for(i=7; i>=0; i--)
	{
		SDA_DIR = I2C_OUTPUT;		/* drive clock low */
						/* data hold time = 0, send data now */
		SDA = ((byte>>1) & 0x01);	/* bit to send */
		//SDA=0;
		//SDA=1;
		//SDA=0;
		SDA_DIR = I2C_OUTPUT;
		
		/* float clock high */
		//DelayUs(I2C_TM_SCL_HIGH);	/* clock high time */
	}

	
	//return FALSE;
}