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/*
* Copyright (c) 2006-2022, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2022-04-11 Wayne the first version
*/
#ifndef __FT5446_H__
#define __FT5446_H__
#include <rtdevice.h>
#define FT_REGITER_LEN 1
#define FT_MAX_TOUCH 5
#define FT5446_ADDRESS 0x38
#pragma anon_unions
typedef struct
{
//03H
union
{
uint8_t m_u8XH;
struct
{
uint8_t u8X_11_8: 4;
uint8_t : 2;
uint8_t u8EvtFlag: 2;
#define FT_EVENTFLAG_PRESS_DOWN 0x0
#define FT_EVENTFLAG_LIFT_UP 0x1
#define FT_EVENTFLAG_CONTACT 0x2
#define FT_EVENTFLAG_NONE 0x3
};
};
//04H
union
{
uint8_t m_u8XL;
struct
{
uint8_t u8X_7_0;
};
};
//05H
union
{
uint8_t m_u8YH;
struct
{
uint8_t u8Y_11_8: 4;
uint8_t u8TouchID: 4; /* Touch ID of Touch Point, this value is 0x0F when the ID is invalid */
};
};
//06H
union
{
uint8_t m_u8YL;
struct
{
uint8_t u8Y_7_0;
};
};
//07H
uint8_t m_u8Weight; /* Touch pressure value */
//08H
union
{
uint8_t m_u8Misc;
struct
{
uint8_t : 4;
uint8_t u8TouchArea: 4; /* Touch area value */
};
};
} S_FT_TP;
#pragma pack(push)
#pragma pack(4)
typedef struct
{
union
{
uint8_t m_u8ModeSwitch;
#define FT_DEVICE_MODE_WORKING 0x0
#define FT_DEVICE_MODE_TEST 0x4
struct
{
uint8_t : 4;
uint8_t u8DevMode: 3;
uint8_t : 1;
};
};
uint8_t m_u8Guesture;
#define FT_GESTURE_ID_MOVE_UP 0x10
#define FT_GESTURE_ID_MOVE_RIGHT 0x14
#define FT_GESTURE_ID_MOVE_DOWN 0x18
#define FT_GESTURE_ID_MOVE_LEFT 0x1C
#define FT_GESTURE_ID_MOVE_IN 0x48
#define FT_GESTURE_ID_MOVE_OUT 0x49
#define FT_GESTURE_ID_MOVE_NONE 0x00
union
{
uint8_t m_u8Status;
struct
{
uint8_t u8TDStatus: 4;
uint8_t : 4;
};
};
S_FT_TP m_sTP[FT_MAX_TOUCH];
} S_FT_REGMAP;
#pragma pack(pop)
int rt_hw_ft5446_init(const char *name, struct rt_touch_config *cfg);
#endif /* __FT5446_H__ */
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