touch_panel_spi.c

MTK6225

/*****************************************************************************
*  Copyright Statement:
*  --------------------
*  This software is protected by Copyright and the information contained
*  herein is confidential. The software may not be copied and the information
*  contained herein may not be used or disclosed except with the written
*  permission of MediaTek Inc. (C) 2005
*
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*  THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
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*  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
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*  SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
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*****************************************************************************/

/*****************************************************************************
 *
 * Filename:
 * ---------
 *    serial_interface.c
 *
 * Project:
 * --------
 *   Maui_Software
 *
 * Description:
 * ------------
 *   This Module defines Serial Interface.
 *
 * Author:
 * -------
 * -------
 *
 *============================================================================
 *             HISTORY
 * Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
 *------------------------------------------------------------------------------
 *------------------------------------------------------------------------------
 * Upper this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
 *============================================================================
 ****************************************************************************/
#if defined(TOUCH_PANEL_SUPPORT) || defined(HAND_WRITING)
//#ifdef TOUCH_PANEL_I2C_SUPPORT   ////Yh888_6225_V004.B&N002
#include 	"kal_release.h" 
#include    "drv_comm.h" 
#include    "gpio_hw.h"
#include    "gpio_sw.h"
//#include    "touch_panel_i2c.h"   ///Yh888_6225_V004.B&N001
#include    "touch_panel_spi.h"   ///Yh888_6225_V004.B&N001//qsh


//#include    "serial_interface.h"

//#include "DebugInitDef.h"

/////  global
kal_uint8 CF=0;

I2C_READ_ALL_DATA_TYPE g_i2c_tpReadalldata;
I2C_TOUCH_PANEL_DATA    i2c_tp_alldata;

/*//////////////////////////////////////////////////////////////////////////////////////////
////inside func
//////////////////////////////////////////////////////////////////////////////////////////*/
void tp_i2c_delay(kal_uint16 delay);
void tp_i2c_delay1(kal_uint16 delay);
void tp_i2c_crystal_on(void);
void tp_i2c_crystal_off(void);
void tp_i2c_start(void);
void tp_i2c_stop(void);
void mnack(void );
void tp_ackcheck_s2h(void);
void tp_i2cTxByte(kal_uint8 data);
kal_uint8 tp_i2cRxByte(void);

void i2c_tp_hw_init(void);
void i2c_tp_all_init(void);
kal_uint8 i2c_tp_Readid(void);
kal_uint8 i2c_tp_ReadXYCoord(kal_int16* xstart, kal_int16* ystart, \
							kal_int16* xend, kal_int16* yend, kal_int16* fingernum);

void i2c_tp_ReadAllData(void);
void i2c_tp_set_reg08(void);
void i2c_tp_setirq_Sleep(void);
void i2c_tp_setirqsensive(void);

void i2c_tp_ConfigSpecifiedReg(kal_uint8 SetData, kal_uint8 RegAddress);
void i2c_tp_ReadDataFromReg(kal_uint8* ReadData, kal_uint8 RegAddress);

/*//////////////////////////////////////////////////////////////////////////////////////////
////extern func
//////////////////////////////////////////////////////////////////////////////////////////*/
extern void GPIO_ModeSetup(kal_uint16 pin, kal_uint16 conf_dada);
extern void GPIO_InitIO(char direction, char port);
extern void GPIO_WriteIO(char data, char port);
extern void GPO_ModeSetup(kal_uint16 pin, kal_uint16 conf_dada);
extern void GPO_WriteIO(char data, char port);

//extern kal_uint32 SaveAndSetIRQMask(void);
//extern void RestoreIRQMask(kal_uint32);
///extern  kal_uint32 SaveAndSetIRQMask(void);
///extern void RestoreIRQMask(kal_uint32 irq);


/*///////////////////////////////////////////////////////////////////////////////////////////
/// below is I2C bus func
///////////////////////////////////////////////////////////////////////////////////////////*/

void tp_i2c_delay(kal_uint16 delay)
{
	kal_uint8 i;
	for(i = 0; i < delay*10; i++);//qsh 
//	for(i = 0; i < delay*8; i++); 
}

void tp_i2c_delay1(kal_uint16 delay)
{
	kal_uint8 i;
	for(i = 0; i < delay*1; i++);   
}

void tp_i2c_crystal_on(void)
{
	GPO_ModeSetup(TP_CRYCLK,2);	
}
void tp_i2c_crystal_off(void)
{
	GPO_ModeSetup(TP_CRYCLK,0);
}
void i2c_tp_hw_init(void)
{


	GPIO_ModeSetup(TP_SCL,0);	 //setting GPIO mode
   	GPIO_InitIO(1,TP_SCL);           //setting GPIO : output
	
   	GPIO_ModeSetup(TP_SDA,0);   //setting GPIO mode
	GPIO_InitIO(1,TP_SDA);          //setting GPIO : output
	tp_i2c_delay(1);


	GPIO_PullenSetup(TP_SCL,0);   //setting GPIO 8 PU
	GPIO_PullenSetup(TP_SDA,0);  //setting GPIO 9 PU
}
void tp_i2c_start(void)
{
	
	tp_i2c_delay(4);//
   	GPIO_WriteIO(1,TP_SDA);
	tp_i2c_delay(4);
   	GPIO_WriteIO(1,TP_SCL);
   	tp_i2c_delay(4);
   	GPIO_WriteIO(0,TP_SDA);  
   	tp_i2c_delay(4);
   	GPIO_WriteIO(0,TP_SCL); 
	tp_i2c_delay(4);
	
}
void tp_i2c_stop(void)
{
//终止I2C总线，当SCL为高电平时使9产生一个正跳变


   	GPIO_WriteIO(0,TP_SDA);
    	tp_i2c_delay(4);

   	GPIO_WriteIO(1,TP_SCL);
    	tp_i2c_delay(4);

   	GPIO_WriteIO(1,TP_SDA); 
    	tp_i2c_delay(4);

	GPIO_WriteIO(0,TP_SCL);
	tp_i2c_delay(4);

}
void mack(void)/*?癳?氮