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