562 lines
19 KiB
C++
562 lines
19 KiB
C++
/*
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* Copyright (C) OpenTX
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*
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* Based on code named
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* th9x - http://code.google.com/p/th9x
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* er9x - http://code.google.com/p/er9x
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* gruvin9x - http://code.google.com/p/gruvin9x
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*
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* License GPLv2: http://www.gnu.org/licenses/gpl-2.0.html
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include "opentx.h"
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#include "tp_gt911.h"
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#include "touch.h"
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//GT911 param table
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const uint8_t TOUCH_GT911_Cfg[] =
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{
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GT911_CFG_NUMER, // 0x8047 Config version
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0xE0, // 0x8048 X output map : x 480
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0x01,
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0x10, // 0x804A Y ouptut max : y 272
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0x01,
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GT911_MAX_TP, // 0x804C Touch number
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0x3C, // 0x804D Module switch 1 : bit4= xy change Int mode
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0x20, // 0x804E Module switch 2
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0x22, // 0x804F Shake_Count
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0x0A, // 0x8050 Filter
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0x28, // 0x8051 Larger touch
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0x0F, // 0x8052 Noise reduction
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0x5A, // 0x8053 Screen touch level
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0x3C, // 0x8054 Screen touch leave
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0x03, // 0x8055 Low power control
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0x05, // 0x8056 Refresh rate
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0x00, // 0x8057 X threshold
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0x00, // 0x8058 Y threshold
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0x00, // 0x8059 Reserved
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0x00, // 0x805A Reserved
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0x11, // 0x805B Space (top, bottom)
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0x11, // 0x805C Space (left, right)
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0x08, // 0x805D Mini filter
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0x18, // 0x805E Strech R0
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0x1A, // 0x805F Strech R1
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0x1E, // 0x8060 Strech R2
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0x14, // 0x8061 Strech RM
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0x87, // 0x8062 Drv groupA num
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0x29, // 0x8063 Drv groupB num
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0x0A, // 0x8064 Sensor num
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0xCF, // 0x8065 FreqA factor
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0xD1, // 0x8066 FreqB factor
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0xB2, // 0x8067 Panel bit freq
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0x04,
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0x00, // 0x8069 Reserved
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0x00,
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0x00, // 0x806B Panel tx gain
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0xD8, // 0x806C Panel rx gain
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0x02, // 0x806D Panel dump shift
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0x1D, // 0x806E Drv frame control
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0x00, // 0x806F Charging level up
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0x01, // 0x8070 Module switch 3
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0x00, // 0x8071 Gesture distance
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0x00, // 0x8072 Gesture long press time
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0x00, // 0x8073 X/Y slope adjust
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0x00, // 0x8074 Gesture control
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0x00, // 0x8075 Gesture switch 1
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0x00, // 0x8076 Gesture switch 2
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0x00, // 0x8077 Gesture refresh rate
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0x00, // 0x8078 Gesture touch level
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0x00, // 0x8079 New green wake up level
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0xB4, // 0x807A Freq hopping start
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0xEF, // 0x807B Freq hopping end
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0x94, // 0x807C Noise detect time
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0xD5, // 0x807D Hopping flag
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0x02, // 0x807E Hopping flag
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0x07, // 0x807F Noise threshold
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0x00, // 0x8080 Nois min threshold old
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0x00, // 0x8081 Reserved
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0x04, // 0x8082 Hopping sensor group
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0x6E, // 0x8083 Hopping Seg1 normalize
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0xB9, // 0x8084 Hopping Seg1 factor
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0x00, // 0x8085 Main clock adjust
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0x6A, // 0x8086 Hopping Seg2 normalize
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0xC4, // 0x8087 Hopping Seg2 factor
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0x00, // 0x8088 Reserved
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0x66, // 0x8089 Hopping Seg3 normalize
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0xCF, // 0x808A Hopping Seg3 factor
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0x00, // 0x808B Reserved
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0x62, // 0x808C Hopping Seg4 normalize
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0xDB, // 0x808D Hopping Seg4 factor
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0x00, // 0x808E Reserved
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0x5E, // 0x808F Hopping Seg5 normalize
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0xE8, // 0x8090 Hopping Seg5 factor
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0x00, // 0x8091 Reserved
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0x5E, // 0x8092 Hopping Seg6 normalize
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0x00, // 0x8093 Key1
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0x00, // 0x8094 Key2
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0x00, // 0x8095 Key3
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0x00, // 0x8096 Key4
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0x00, // 0x8097 Key area
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0x00, // 0x8098 Key touch level
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0x00, // 0x8099 Key leave level
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0x00, // 0x809A Key sens
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0x00, // 0x809B Key sens
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0x00, // 0x809C Key restrain
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0x00, // 0x809D Key restrain time
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0x00, // 0x809E Large gesture touch
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0x00, // 0x809F Reserved
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0x00, // 0x80A0 Reserved
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0x00, // 0x80A1 Hotknot noise map
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0x00, // 0x80A2 Link threshold
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0x00, // 0x80A3 Pxy threshold
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0x00, // 0x80A4 GHot dump shift
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0x00, // 0x80A5 GHot rx gain
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0x00, // 0x80A6 Freg gain
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0x00, // 0x80A7 Freg gain 1
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0x00, // 0x80A8 Freg gain 2
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0x00, // 0x80A9 Freg gain 3
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0x00, // 0x80AA Reserved
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0x00, // 0x80AB Reserved
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0x00, // 0x80AC Reserved
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0x00, // 0x80AD Reserved
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0x00, // 0x80AE Reserved
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0x00, // 0x80AF Reserved
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0x00, // 0x80B0 Reserved
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0x00, // 0x80B1 Reserved
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0x00, // 0x80B2 Reserved
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0x00, // 0x80B3 Combine dis
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0x00, // 0x80B4 Split set
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0x00, // 0x80B5 Reserved
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0x00, // 0x80B6 Reserved
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0x14, // 0x80B7 Sensor CH0
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0x12, // 0x80B8 Sensor CH1
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0x10, // 0x80B9 Sensor CH2
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0x0E, // 0x80BA Sensor CH3
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0x0C, // 0x80BB Sensor CH4
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0x0A, // 0x80BC Sensor CH5
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0x08, // 0x80BD Sensor CH6
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0x06, // 0x80BE Sensor CH7
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0x04, // 0x80BF Sensor CH8
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0x02, // 0x80C0 Sensor CH9
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0xFF, // 0x80C1 Sensor CH10
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0xFF, // 0x80C2 Sensor CH11
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0xFF, // 0x80C3 Sensor CH12
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0xFF, // 0x80C4 Sensor CH13
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0x00, // 0x80C5 Reserved
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0x00, // 0x80C6 Reserved
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0x00, // 0x80C7 Reserved
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0x00, // 0x80C8 Reserved
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0x00, // 0x80C9 Reserved
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0x00, // 0x80CA Reserved
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0x00, // 0x80CB Reserved
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0x00, // 0x80CC Reserved
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0x00, // 0x80CD Reserved
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0x00, // 0x80CE Reserved
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0x00, // 0x80CF Reserved
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0x00, // 0x80D0 Reserved
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0x00, // 0x80D1 Reserved
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0x00, // 0x80D2 Reserved
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0x00, // 0x80D3 Reserved
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0x00, // 0x80D4 Reserved
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0x28, // 0x80D5 Driver CH0
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0x26, // 0x80D6 Driver CH1
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0x24, // 0x80D7 Driver CH2
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0x22, // 0x80D8 Driver CH3
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0x21, // 0x80D9 Driver CH4
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0x20, // 0x80DA Driver CH5
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0x1F, // 0x80DB Driver CH6
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0x1E, // 0x80DC Driver CH7
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0x1D, // 0x80DD Driver CH8
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0x0C, // 0x80DE Driver CH9
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0x0A, // 0x80DF Driver CH10
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0x08, // 0x80E0 Driver CH11
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0x06, // 0x80E1 Driver CH12
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0x04, // 0x80E2 Driver CH13
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0x02, // 0x80E3 Driver CH14
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0x00, // 0x80E4 Driver CH15
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0xFF, // 0x80E5 Driver CH16
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0xFF, // 0x80E6 Driver CH17
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0xFF, // 0x80E7 Driver CH18
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0xFF, // 0x80E8 Driver CH19
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0xFF, // 0x80E9 Driver CH20
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0xFF, // 0x80EA Driver CH21
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0xFF, // 0x80EB Driver CH22
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0xFF, // 0x80EC Driver CH23
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0xFF, // 0x80ED Driver CH24
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0xFF, // 0x80EE Driver CH25
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0x00, // 0x80EF Reserved
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0x00, // 0x80F0 Reserved
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0x00, // 0x80F1 Reserved
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0x00, // 0x80F2 Reserved
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0x00, // 0x80F3 Reserved
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0x00, // 0x80F4 Reserved
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0x00, // 0x80F5 Reserved
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0x00, // 0x80F6 Reserved
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0x00, // 0x80F7 Reserved
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0x00, // 0x80F8 Reserved
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0x00, // 0x80F9 Reserved
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0x00, // 0x80FA Reserved
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0x00, // 0x80FB Reserved
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0x00, // 0x80FC Reserved
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0x00, // 0x80FD Reserved
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0x00 // 0x80FE Reserved
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};
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uint8_t touchGT911Flag = 0;
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uint8_t touchEventOccured = 0;
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struct TouchData touchData;
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struct TouchState touchState;
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static void TOUCH_AF_ExtiStop(void)
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{
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SYSCFG_EXTILineConfig(TOUCH_INT_EXTI_PortSource, TOUCH_INT_EXTI_PinSource1);
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EXTI_InitTypeDef EXTI_InitStructure;
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EXTI_StructInit(&EXTI_InitStructure);
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EXTI_InitStructure.EXTI_Line = TOUCH_INT_EXTI_LINE1;
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EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
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EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising_Falling;
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EXTI_InitStructure.EXTI_LineCmd = DISABLE;
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EXTI_Init(&EXTI_InitStructure);
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NVIC_InitTypeDef NVIC_InitStructure;
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NVIC_InitStructure.NVIC_IRQChannel = TOUCH_INT_EXTI_IRQn1;
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NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 9;
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NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; /* Not used as 4 bits are used for the pre-emption priority. */;
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NVIC_InitStructure.NVIC_IRQChannelCmd = DISABLE;
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NVIC_Init(&NVIC_InitStructure);
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}
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static void TOUCH_AF_ExtiConfig(void)
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{
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SYSCFG_EXTILineConfig(TOUCH_INT_EXTI_PortSource, TOUCH_INT_EXTI_PinSource1);
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EXTI_InitTypeDef EXTI_InitStructure;
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EXTI_StructInit(&EXTI_InitStructure);
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EXTI_InitStructure.EXTI_Line = TOUCH_INT_EXTI_LINE1;
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EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
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EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising_Falling;
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EXTI_InitStructure.EXTI_LineCmd = ENABLE;
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EXTI_Init(&EXTI_InitStructure);
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NVIC_InitTypeDef NVIC_InitStructure;
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NVIC_InitStructure.NVIC_IRQChannel = TOUCH_INT_EXTI_IRQn1;
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NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 9;
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NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; /* Not used as 4 bits are used for the pre-emption priority. */;
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NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
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NVIC_Init(&NVIC_InitStructure);
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}
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static void TOUCH_AF_GPIOConfig(void)
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{
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GPIO_InitTypeDef GPIO_InitStructure;
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GPIO_InitStructure.GPIO_Pin = TOUCH_RST_GPIO_PIN;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
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GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
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GPIO_Init(TOUCH_RST_GPIO, &GPIO_InitStructure);
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GPIO_ResetBits(TOUCH_RST_GPIO, TOUCH_RST_GPIO_PIN);
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GPIO_InitStructure.GPIO_Pin = TOUCH_INT_GPIO_PIN;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
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GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
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GPIO_Init(TOUCH_INT_GPIO, &GPIO_InitStructure);
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GPIO_ResetBits(TOUCH_INT_GPIO, TOUCH_INT_GPIO_PIN);
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}
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void TOUCH_AF_INT_Change(void)
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{
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GPIO_InitTypeDef GPIO_InitStructure;
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GPIO_InitStructure.GPIO_Pin = TOUCH_INT_GPIO_PIN;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
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GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
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GPIO_Init(TOUCH_INT_GPIO, &GPIO_InitStructure);
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}
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void I2C_Init()
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{
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I2C_DeInit(I2C);
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GPIO_InitTypeDef GPIO_InitStructure;
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I2C_InitTypeDef I2C_InitStructure;
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I2C_InitStructure.I2C_ClockSpeed = I2C_SPEED;
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I2C_InitStructure.I2C_DutyCycle = I2C_DutyCycle_2;
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I2C_InitStructure.I2C_OwnAddress1 = 0x00;
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I2C_InitStructure.I2C_Mode = I2C_Mode_I2C;
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I2C_InitStructure.I2C_Ack = I2C_Ack_Enable;
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I2C_InitStructure.I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit;
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I2C_Init(I2C, &I2C_InitStructure);
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I2C_Cmd(I2C, ENABLE);
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GPIO_PinAFConfig(I2C_GPIO, I2C_SCL_GPIO_PinSource, I2C_GPIO_AF);
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GPIO_PinAFConfig(I2C_GPIO, I2C_SDA_GPIO_PinSource, I2C_GPIO_AF);
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GPIO_InitStructure.GPIO_Pin = I2C_SCL_GPIO_PIN | I2C_SDA_GPIO_PIN;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
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GPIO_InitStructure.GPIO_OType = GPIO_OType_OD;
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GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
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GPIO_Init(I2C_GPIO, &GPIO_InitStructure);
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}
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bool I2C_WaitEvent(uint32_t event)
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{
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uint32_t timeout = I2C_TIMEOUT_MAX;
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while (!I2C_CheckEvent(I2C, event)) {
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if ((timeout--) == 0) return false;
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}
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return true;
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}
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bool I2C_WaitEventCleared(uint32_t event)
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{
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uint32_t timeout = I2C_TIMEOUT_MAX;
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while (I2C_CheckEvent(I2C, event)) {
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if ((timeout--) == 0) return false;
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}
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return true;
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}
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uint8_t I2C_GT911_WriteRegister(uint16_t reg, uint8_t * buf, uint8_t len)
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{
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if (!I2C_WaitEventCleared(I2C_FLAG_BUSY))
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return false;
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I2C_GenerateSTART(I2C, ENABLE);
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if (!I2C_WaitEvent(I2C_EVENT_MASTER_MODE_SELECT))
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return false;
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I2C_Send7bitAddress(I2C, GT_CMD_WR, I2C_Direction_Transmitter);
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if (!I2C_WaitEvent(I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED))
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return false;
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I2C_SendData(I2C, (uint8_t)((reg & 0xFF00) >> 8));
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if (!I2C_WaitEvent(I2C_EVENT_MASTER_BYTE_TRANSMITTING))
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return false;
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I2C_SendData(I2C, (uint8_t)(reg & 0x00FF));
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if (!I2C_WaitEvent(I2C_EVENT_MASTER_BYTE_TRANSMITTING))
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return false;
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/* While there is data to be written */
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while (len--) {
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I2C_SendData(I2C, *buf);
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if (!I2C_WaitEvent(I2C_EVENT_MASTER_BYTE_TRANSMITTING))
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return false;
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buf++;
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}
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if (!I2C_WaitEvent(I2C_EVENT_MASTER_BYTE_TRANSMITTED))
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return false;
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I2C_GenerateSTOP(I2C, ENABLE);
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return true;
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}
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bool I2C_GT911_ReadRegister(u16 reg, uint8_t * buf, uint8_t len)
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{
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if (!I2C_WaitEventCleared(I2C_FLAG_BUSY))
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return false;
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I2C_GenerateSTART(I2C, ENABLE);
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if (!I2C_WaitEvent(I2C_EVENT_MASTER_MODE_SELECT))
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return false;
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I2C_Send7bitAddress(I2C, GT_CMD_WR, I2C_Direction_Transmitter);
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if (!I2C_WaitEvent(I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED))
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return false;
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I2C_SendData(I2C, (uint8_t)((reg & 0xFF00) >> 8));
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if (!I2C_WaitEvent(I2C_EVENT_MASTER_BYTE_TRANSMITTING))
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return false;
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I2C_SendData(I2C, (uint8_t)(reg & 0x00FF));
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if (!I2C_WaitEvent(I2C_EVENT_MASTER_BYTE_TRANSMITTED))
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return false;
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I2C_GenerateSTART(I2C, ENABLE);
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if (!I2C_WaitEvent(I2C_EVENT_MASTER_MODE_SELECT))
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return false;
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I2C_Send7bitAddress(I2C, GT_CMD_RD, I2C_Direction_Receiver);
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if (!I2C_WaitEvent(I2C_EVENT_MASTER_RECEIVER_MODE_SELECTED))
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return false;
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if (len > 1) {
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I2C_AcknowledgeConfig(I2C, ENABLE);
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}
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while (len) {
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if (len == 1) {
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I2C_AcknowledgeConfig(I2C, DISABLE);
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}
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if (!I2C_WaitEvent(I2C_EVENT_MASTER_BYTE_RECEIVED))
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return false;
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*buf++ = I2C_ReceiveData(I2C);
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len--;
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}
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I2C_GenerateSTOP(I2C, ENABLE);
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return true;
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}
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uint8_t I2C_GT911_SendConfig(uint8_t mode)
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{
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uint8_t buf[2];
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uint8_t i = 0;
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buf[0] = 0;
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buf[1] = mode;
|
|
for (i = 0; i < sizeof(TOUCH_GT911_Cfg); i++)
|
|
buf[0] += TOUCH_GT911_Cfg[i];//check sum
|
|
|
|
buf[0] = (~buf[0]) + 1;
|
|
I2C_GT911_WriteRegister(GT_CFGS_REG, (uint8_t *) TOUCH_GT911_Cfg, sizeof(TOUCH_GT911_Cfg));//
|
|
I2C_GT911_WriteRegister(GT_CHECK_REG, buf, 2);//write checksum
|
|
return 0;
|
|
}
|
|
|
|
void touchPanelDeInit(void)
|
|
{
|
|
TOUCH_AF_ExtiStop();
|
|
}
|
|
|
|
bool touchPanelInit(void)
|
|
{
|
|
uint8_t tmp[4] = {0};
|
|
|
|
if (touchGT911Flag) {
|
|
TOUCH_AF_ExtiConfig();
|
|
return true;
|
|
}
|
|
else {
|
|
TRACE("Touchpanel init start ...");
|
|
|
|
TOUCH_AF_GPIOConfig(); //SET RST=OUT INT=OUT INT=LOW
|
|
I2C_Init();
|
|
|
|
TPRST_LOW();
|
|
TPINT_HIGH();
|
|
delay_us(200);
|
|
|
|
TPRST_HIGH();
|
|
delay_ms(6);
|
|
|
|
TPINT_LOW();
|
|
delay_ms(55);
|
|
|
|
TOUCH_AF_INT_Change(); //Set INT INPUT INT=LOW
|
|
|
|
delay_ms(50);
|
|
|
|
TRACE("Reading Touch registry");
|
|
I2C_GT911_ReadRegister(GT_PID_REG, tmp, 4);
|
|
|
|
if (strcmp((char *) tmp, "911") == 0) //ID==9147
|
|
{
|
|
TRACE("GT911 chip detected");
|
|
tmp[0] = 0X02;
|
|
I2C_GT911_WriteRegister(GT_CTRL_REG, tmp, 1);
|
|
I2C_GT911_ReadRegister(GT_CFGS_REG, tmp, 1);
|
|
|
|
TRACE("Chip config Ver:%x\r\n", tmp[0]);
|
|
if (tmp[0] < GT911_CFG_NUMER) //Config ver
|
|
{
|
|
TRACE("Sending new config %d", GT911_CFG_NUMER);
|
|
I2C_GT911_SendConfig(1);
|
|
}
|
|
|
|
delay_ms(10);
|
|
tmp[0] = 0X00;
|
|
I2C_GT911_WriteRegister(GT_CTRL_REG, tmp, 1); //end reset
|
|
touchGT911Flag = true;
|
|
|
|
TOUCH_AF_ExtiConfig();
|
|
|
|
return true;
|
|
}
|
|
TRACE("GT911 chip NOT FOUND");
|
|
return false;
|
|
}
|
|
}
|
|
|
|
void touchPanelRead()
|
|
{
|
|
uint8_t state = 0;
|
|
|
|
if (!touchEventOccured)
|
|
return;
|
|
|
|
touchEventOccured = false;
|
|
I2C_GT911_ReadRegister(GT911_READ_XY_REG, &state, 1);
|
|
|
|
if ((state & 0x80u) == 0x00) {
|
|
// not ready
|
|
return;
|
|
}
|
|
|
|
uint8_t pointsCount = (state & 0x0Fu);
|
|
|
|
if (pointsCount > 0 && pointsCount < GT911_MAX_TP) {
|
|
I2C_GT911_ReadRegister(GT911_READ_XY_REG + 1, touchData.data, pointsCount * sizeof(TouchPoint));
|
|
if (touchData.pointsCount == 0) {
|
|
touchState.event = TE_DOWN;
|
|
touchState.startX = touchState.x = touchData.points[0].x;
|
|
touchState.startY = touchState.y = touchData.points[0].y;
|
|
}
|
|
else {
|
|
touchState.deltaX = touchData.points[0].x - touchState.x;
|
|
touchState.deltaY = touchData.points[0].y - touchState.y;
|
|
if (touchState.event == TE_SLIDE || abs(touchState.deltaX) >= SLIDE_RANGE || abs(touchState.deltaY) >= SLIDE_RANGE) {
|
|
touchState.event = TE_SLIDE;
|
|
touchState.x = touchData.points[0].x;
|
|
touchState.y = touchData.points[0].y;
|
|
}
|
|
}
|
|
touchData.pointsCount = pointsCount;
|
|
}
|
|
else {
|
|
if (touchData.pointsCount > 0) {
|
|
touchData.pointsCount = 0;
|
|
if (touchState.event == TE_SLIDE)
|
|
touchState.event = TE_SLIDE_END;
|
|
else
|
|
touchState.event = TE_UP;
|
|
}
|
|
}
|
|
|
|
uint8_t zero = 0;
|
|
I2C_GT911_WriteRegister(GT911_READ_XY_REG, &zero, 1);
|
|
}
|
|
|
|
extern "C" void TOUCH_INT_EXTI_IRQHandler1(void)
|
|
{
|
|
if (EXTI_GetITStatus(TOUCH_INT_EXTI_LINE1) != RESET) {
|
|
if (g_eeGeneral.backlightMode & e_backlight_mode_keys) {
|
|
// on touch turn the light on
|
|
resetBacklightTimeout();
|
|
}
|
|
touchEventOccured = 1;
|
|
EXTI_ClearITPendingBit(TOUCH_INT_EXTI_LINE1);
|
|
}
|
|
}
|
|
|
|
bool touchPanelEventOccured()
|
|
{
|
|
return touchEventOccured;
|
|
} |