synaot.h

Synaptics电容式触摸芯片OT的IIC完整参考代码

// This is a OneTouch configuration file used by the OTLib Library.

// ******************************************
// ******************************************
// ==> WARNING: ** DO NOT EDIT This file <== 
// ******************************************
// ******************************************

#ifndef	_SYNAOT_H 
#define	_SYNAOT_H

#include "UserOT.h"
#include "SynaOTConfig.h"

// Error_codes 
#define		OT_SUCCESS				0x00
#define		OT_FAILURE				0x01

// True/ False Codes
#define OT_TRUE		1
#define	OT_FALSE	0

// OneTouch Register Definitions

#define 	OT_CONFIG_REG_START_ADDR		0x0000


#define		OT_DATA_REG_START_ADDR			0x0109
#define		OT_NUM_DATA_REG_BYTES			4		// (0x109 - 0x10A)*2

#define		OT_DATA_REG_START_ADDR_HIGH		0x01
#define		OT_DATA_REG_START_ADDR_LOW		0x09

#define		OT_BUTTON_OFFSET				0

// Define a prototype to check for Attention Line Assertion with TimeOut
OT_U8 OT_Poll_Attn_Line_TimeOut(void);		// customer implements this function

			

// ===============================================================
// Customer Implements I2C Hardware specific functions in UserOT.c
// ===============================================================

// ===================================
// * I2C Hardware Specific functions *
// ===================================

// Function Prototypes

// Delay in units of 1/10th of microseconds (100 nano seconds)
void 	OT_HAL_delay_10th_usec(OT_U16 tenth_usec);		

// bit-banging functions

// Set SDA and SCL lines to Input Mode
void 	OT_HAL_SDA_IN_MODE(void); 	 // SDA
void 	OT_HAL_SCL_IN_MODE(void); 	 // SCL

// Set SDA and SCL Lines to Output Mode
void 	OT_HAL_SDA_OUT_MODE(void);		//SDA
void 	OT_HAL_SCL_OUT_MODE(void);		//SCL

// Set SDA and SCL Lines to Low (logic "0")
void 	OT_HAL_I2C_SDA_LO(void);		//SDA
void 	OT_HAL_I2C_SCL_LO(void);		//SCL

// Read the state of SDA and SCL Lines
OT_U8 	OT_HAL_BitRead_I2C_SDA(void);	//SDA
OT_U8 	OT_HAL_BitRead_I2C_SCL(void);	//SCL

// Poll the status of the Attention Line
OT_U8 	OT_HAL_BitRead_ATTN(void);

// ************************************************************
// THE CUSTOMER CAN USE THESE FUNCTIONS - ALREADY IMPLEMENTED *
// ************************************************************

// =================================
// * I2C public functions of OTLib *
// =================================

// Initialize I2C communication
void 	OT_Init_BitBang_I2C(void);
// Write a buffer to I2C
OT_U8	OT_WriteI2C(OT_U8	bI2CAddr, OT_U8	pBuffer[], OT_U8	bBytesToSend);
// Read a buffere from I2C
OT_U8  	OT_ReadI2C(OT_U8	bI2CAddr, OT_U8	pBuffer[], OT_U8	bBytesToSend);


// API Function Prototypes in OTLib
OT_U8		OT_ReadDataReg(OT_U8 []);
OT_U8		OT_Init(void);


#endif