lib_lpc_ad.h

使用embest IDE开发工具开发的基于LPC2294 的触摸屏开发

/*
***********************************************************************

       Embest Info&Tech Co., Ltd.  All rights reserved.
                     www.embedinfo.com

***********************************************************************

---------------- file information -------------------------------------

file name: lib_lpc_ad.h
version  : v0
author   : zhangxuquan
	       peter pan / [e-mail]
	                   [e-mail]
begin    : 2006-02-10
finish   : 2006-02-10
define   : lpc ad convert lib head file

notes    :

---------------- modify information -----------------------------------
version  :
modify   :
begin    :
finish   :
define   :
-----------------------------------------------------------------------
*/

// (--------------------- compiler condition --------------------------

#ifndef lpc_lib_AD
	#define lpc_lib_AD

// --------------------- compiler condition --------------------------)


/*-------------------------------------------------------------------*/
/*                       include files                               */
/*---------------------------------------------------------------- --*/
#include	"..\..\..\com\type_redefine.h"
#include	"..\..\..\com\register_lpc22xx.h"


#include   "..\..\..\com\lib_lpc\lib_lpc_pll\lib_lpc_pll.h"
/*
#include    "..\..\..\com\lib_22eb06\module_control\lib_22eb06_mc.h"
*/


/*-------------------------------------------------------------------*/
/*                       variable define                             */
/*-------------------------------------------------------------------*/
//define the control value for pinsel
#define     P2_30_31_AIN_4_5_PINSEL2_V     (0x01<<4)
#define     P3_28_29_AIN_6_7_PINSEL2_V     (0x01<<4)

#define     P2_30_31_AIN_4_5_PINSEL2_M     (0x3<<4)
#define     P3_28_29_AIN_6_7_PINSEL2_M     (0x3<<4)
//control by one data


#define     P3_29_AIN_6_PINSEL2_V          (0x1<<6)
#define     P3_28_AIN_7_PINSEL2_V          (0x1<<7)

#define     P3_29_AIN_6_PINSEL2_M          (0x1<<6)
#define     P3_28_AIN_7_PINSEL2_M          (0x1<<7)


#define     P2_30_AIN_4_PINSEL2_V          (0x1<<21)
#define     P2_31_AIN_5_PINSEL2_V          (0x1<<22)

#define     P2_30_AIN_4_PINSEL2_M          (0x1<<21)
#define     P2_31_AIN_5_PINSEL2_M          (0x1<<22)



//define the value for ad part
#define 	SEL_DEFAULT 	(0x1)
#define 	SEL_AIN4		(0x1<<4)
#define 	SEL_AIN5		(0x1<<5)
#define 	SEL_AIN6		(0x1<<6)
#define 	SEL_AIN7		(0x1<<7)

#define 	CHG_F			4500000

#define 	CLKDIV 			((PCLKF/CHG_F)<<8)
#define		BURST_A			(0x1<<16)
#define		BURST_F			(0x0<<16)		
#define		CLKS_0			(0x0)
#define		PDN_N			(0x1<<21)
#define		PDN_U			(0x0)
#define 	TEST_0			(0x0)	
#define		START_0			(0x0)
#define		START_A			(0x1<<24)
#define 	START_CAP0_0	(0x3<<24)
#define 	START_CAP0_2	(0x2<<24)
#define 	START_MAT0_1	(0x4<<24)
#define 	START_MAT0_3	(0x5<<24)
#define 	START_MAT1_0	(0x6<<24)
#define 	START_MAT1_1	(0x7<<24)

#define 	DATA_MASK		(0xFFC0)


typedef enum{
	         AIN0=0,
	         AIN1,
	         AIN2,
	         AIN3,
	         AIN4,
	         AIN5,
	         AIN6,
	         AIN7 } AD_channel;
	         
typedef enum{ CAP0_0,
	          CAP0_2,
	          MAT0_1,
	          MAT0_3,
	          MAT1_0,
	          MAT1_1} AD_trigger_mode;


/*-------------------------------------------------------------------*/
/*                       local function declare                      */
/*-------------------------------------------------------------------*/

void  port_toad_en(AD_channel AD_channel_v);
INT32U AD_read(void);
void AD_close();
void AD_init(INT8U Chg_mode,AD_channel ad_ch,AD_trigger_mode tri_mode,INT8U edge);

#endif