/*******************************************************************************
*?文?件:?GT911.c
*?功?能:?單片機作為主機，觸控IC作為從機，通過模擬的I2C總線通信
*?說?明:?
*????????P4.7---->CT_SCLK
*????????P4.6---->CT_SDA
*????????P4.5---->CT_RST
*????????P2.1---->CT_INT
*?版?權(quán):?******
*?編?寫:?PYH
*?日?期:?2017.02.22
**********************************頭文件***************************************/
#include?
#include?
#include?“gt911_driver.h“?
#include?“tft.h“
#include?“touch.h“


//GT911配置信息，共184個寄存器value
const?uchar?GT911_CFG_TBL[]=
{??
????0X410XE00X010X200X030X010X040X000X020X08
	0X280X0C0X500X320X030X050X000X000X000X00
	0x000x000x000x170x190x1E0x140X8C0X2E0X0E
	0x330x350x0C0x080X000X000X000x9A0x030x11
	0X000X000X000X000X000X000X000X000X000X00
	0X000X0F0X360X940XC50X020X070X000X000X04
	0X9B0X110X000X7A0X160X000X610X1C0X000X4B
	0X250X000X3C0X2F0X000X3C0X000X000X000X00
	0X000X000X000X000X000X000X000X000X000X00
	0X000X000X000X000X000X000X000X000X000X00
	0X000X000X000X000X000X000X000X000X000X00
	0X000X000X020X040X060X080X0A0X0C0X0E0X10
	0X120X140X160X180X1A0X1C0XFF0X000X000X00
	0X000X000X000X000X000X000X000X000X000X00
	0X000X000X000X020X040X060X080X0A0X0C0X0F
	0X100X120X130X140X160X180X1C0X1D0X1E0X1F
	0X200X210X220X240X260X280X290X2A0XFF0X00
	0X000X000X000X000X000X000X000X000X000X00
	0X000X000X000X00
};?????
/*******************************************************************************
*?函數(shù)名：GT911_Send_Cfg
*?功??能：發(fā)送GT911配置參數(shù)
*?參??數(shù)：mode:0參數(shù)不保存到flash:1保存到flash
*?返回值：寫入結(jié)果：1--成功，0--失敗
*******************************************************************************/
uchar?GT911_Send_Cfg（uchar?mode）
{
	uchar?buf[2];
	uchar?i=0;
	buf[0]=0;
	buf[1]=mode;	????????????????????//是否掉電保存
	for（i=0;i????{
????????buf[0]+=GT911_CFG_TBL[i];???????//計算校驗和
????}
????buf[0]=（~buf[0]）+1;?????????????????//要寫入到0x80FF的校驗值，buf[0]
	GT911_WR_Reg（GT_CFGS_REG（uchar*）GT911_CFG_TBLsizeof（GT911_CFG_TBL））;//發(fā)送寄存器配置（0x8040--0x80FE）
	GT911_WR_Reg（GT_CHECK_REGbuf2）;???//以0x80FF為開始地址，寫入校驗和buf[0]、配置更新標記buf[1]=0x01
	return?0;
}

/*******************************************************************************
*?函數(shù)名：uchar?Write_1Byte（uchar?wdatauchar?dataaddress）
*?功??能：寫入1個字節(jié)的數(shù)據(jù)
*?參??數(shù)：data--寫入的數(shù)據(jù)
*?????????addr--數(shù)據(jù)的寫入地址
*?返回值：寫入結(jié)果：1--成功，0--失敗
*******************************************************************************/
uchar?Write_1Byte（uchar?addruchar?data）
{??
????CT_I2C_Start（）;?????????????//開始
????write1byte（GT_CMD_WR）;??????//寫
????CT_I2C_Ack（）;???????????????//應(yīng)答
????write1byte（addr）;???????????//寄存器地址
????CT_I2C_Ack（）;
????write1byte（data）;
????CT_I2C_Ack（）;
????CT_I2C_Stop（）;
????return?0;
}

/*******************************************************************************
*?函數(shù)名：GT911_WR_Re

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????10205??2020-02-16?21:46??gt911驅(qū)動\gt911_driver.c

?????文件???????2437??2020-02-16?21:47??gt911驅(qū)動\gt911_driver.h

?????目錄??????????0??2020-02-16?21:47??gt911驅(qū)動

-----------?---------??----------?-----??----

????????????????12642????????????????????3