?? i2cmu.c
字號:
/*======================================================================
;
; File Name : I2CMU.C
;
; Originator : Digital Control Systems Group
; Texas Instruments
;
; Description : This source file contains utilitis for I2C master driver
;
; Date : 30/01/2002 (DD/MM/YYYY)
;=====================================================================*/
#include "..\include\i2cm_io.h"
unsigned int vi2cmFree(VI2CM_IO *i2c)
{
if(i2c->taskIndex == IDLE_STATE)
return(1);
else
return(0);
}
void vi2cmCmd(VI2CM_IO *i2c, I2C_COMMAND cmd)
{
i2c->taskIndex=(0xff&cmd);
if( cmd & 0xff00 )
i2c->I2CCSR |=I2C_ACKDT; /* Issue ACK HI */
else
i2c->I2CCSR &= (~I2C_ACKDT); /* Issue ACK LO */
}
unsigned int vi2cmReadAck(VI2CM_IO *i2c)
{
return( i2c->I2CCSR & I2C_ACKSTAT );
}
?? 快捷鍵說明
復(fù)制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -