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Tasmota/lib/lib_display/GT911/GT911.h

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#ifndef GT911_H
#define GT911_H
#include <stdint.h>
#include <Wire.h>
// Real-time command (Write only)
#define GT911_COMMAND (uint16_t)0x8040
#define GT911_ESD_CHECK (uint16_t)0x8041
#define GT911_COMMAND_CHECK (uint16_t)0x8046
// Configuration information (R/W)
#define GT911_CONFIG_START (uint16_t)0x8047
#define GT911_CONFIG_VERSION (uint16_t)0x8047
#define GT911_X_OUTPUT_MAX_LOW (uint16_t)0x8048
#define GT911_X_OUTPUT_MAX_HIGH (uint16_t)0x8049
#define GT911_Y_OUTPUT_MAX_LOW (uint16_t)0x804A
#define GT911_Y_OUTPUT_MAX_HIGH (uint16_t)0x804B
#define GT911_TOUCH_NUMBER (uint16_t)0x804C
#define GT911_MODULE_SWITCH_1 (uint16_t)0x804D
#define GT911_MODULE_SWITCH_2 (uint16_t)0x804E
#define GT911_SHAKE_COUNT (uint16_t)0x804F
#define GT911_FILTER (uint16_t)0x8050
#define GT911_LARGE_TOUCH (uint16_t)0x8051
#define GT911_NOISE_REDUCTION (uint16_t)0x8052
#define GT911_SCREEN_TOUCH_LEVEL (uint16_t)0x8053
#define GT911_SCREEN_RELEASE_LEVEL (uint16_t)0x8054
#define GT911_LOW_POWER_CONTROL (uint16_t)0x8055
#define GT911_REFRESH_RATE (uint16_t)0x8056
#define GT911_X_THRESHOLD (uint16_t)0x8057
#define GT911_Y_THRESHOLD (uint16_t)0x8058
#define GT911_X_SPEED_LIMIT (uint16_t)0x8059 //Reserve
#define GT911_Y_SPEED_LIMIT (uint16_t)0x805A //Reserve
#define GT911_SPACE_TOP_BOTTOM (uint16_t)0x805B
#define GT911_SPACE_LEFT_RIGHT (uint16_t)0x805C
#define GT911_MINI_FILTER (uint16_t)0x805D
#define GT911_STRETCH_R0 (uint16_t)0x805E
#define GT911_STRETCH_R1 (uint16_t)0x805F
#define GT911_STRETCH_R2 (uint16_t)0x8060
#define GT911_STRETCH_RM (uint16_t)0x8061
#define GT911_DRV_GROUPA_NUM (uint16_t)0x8062
#define GT911_DRV_GROUPB_NUM (uint16_t)0x8063
#define GT911_SENSOR_NUM (uint16_t)0x8064
#define GT911_FREQ_A_FACTOR (uint16_t)0x8065
#define GT911_FREQ_B_FACTOR (uint16_t)0x8066
#define GT911_PANEL_BIT_FREQ_L (uint16_t)0x8067
#define GT911_PANEL_BIT_FREQ_H (uint16_t)0x8068
#define GT911_PANEL_SENSOR_TIME_L (uint16_t)0x8069 //Reserve
#define GT911_PANEL_SENSOR_TIME_H (uint16_t)0x806A
#define GT911_PANEL_TX_GAIN (uint16_t)0x806B
#define GT911_PANEL_RX_GAIN (uint16_t)0x806C
#define GT911_PANEL_DUMP_SHIFT (uint16_t)0x806D
#define GT911_DRV_FRAME_CONTROL (uint16_t)0x806E
#define GT911_CHARGING_LEVEL_UP (uint16_t)0x806F
#define GT911_MODULE_SWITCH3 (uint16_t)0x8070
#define GT911_GESTURE_DIS (uint16_t)0X8071
#define GT911_GESTURE_LONG_PRESS_TIME (uint16_t)0x8072
#define GT911_X_Y_SLOPE_ADJUST (uint16_t)0X8073
#define GT911_GESTURE_CONTROL (uint16_t)0X8074
#define GT911_GESTURE_SWITCH1 (uint16_t)0X8075
#define GT911_GESTURE_SWITCH2 (uint16_t)0X8076
#define GT911_GESTURE_REFRESH_RATE (uint16_t)0x8077
#define GT911_GESTURE_TOUCH_LEVEL (uint16_t)0x8078
#define GT911_NEWGREENWAKEUPLEVEL (uint16_t)0x8079
#define GT911_FREQ_HOPPING_START (uint16_t)0x807A
#define GT911_FREQ_HOPPING_END (uint16_t)0X807B
#define GT911_NOISE_DETECT_TIMES (uint16_t)0x807C
#define GT911_HOPPING_FLAG (uint16_t)0X807D
#define GT911_HOPPING_THRESHOLD (uint16_t)0X807E
#define GT911_NOISE_THRESHOLD (uint16_t)0X807F //Reserve
#define GT911_NOISE_MIN_THRESHOLD (uint16_t)0X8080
#define GT911_HOPPING_SENSOR_GROUP (uint16_t)0X8082
#define GT911_HOPPING_SEG1_NORMALIZE (uint16_t)0X8083
#define GT911_HOPPING_SEG1_FACTOR (uint16_t)0X8084
#define GT911_MAIN_CLOCK_AJDUST (uint16_t)0X8085
#define GT911_HOPPING_SEG2_NORMALIZE (uint16_t)0X8086
#define GT911_HOPPING_SEG2_FACTOR (uint16_t)0X8087
#define GT911_HOPPING_SEG3_NORMALIZE (uint16_t)0X8089
#define GT911_HOPPING_SEG3_FACTOR (uint16_t)0X808A
#define GT911_HOPPING_SEG4_NORMALIZE (uint16_t)0X808C
#define GT911_HOPPING_SEG4_FACTOR (uint16_t)0X808D
#define GT911_HOPPING_SEG5_NORMALIZE (uint16_t)0X808F
#define GT911_HOPPING_SEG5_FACTOR (uint16_t)0X8090
#define GT911_HOPPING_SEG6_NORMALIZE (uint16_t)0X8092
#define GT911_KEY_1 (uint16_t)0X8093
#define GT911_KEY_2 (uint16_t)0X8094
#define GT911_KEY_3 (uint16_t)0X8095
#define GT911_KEY_4 (uint16_t)0X8096
#define GT911_KEY_AREA (uint16_t)0X8097
#define GT911_KEY_TOUCH_LEVEL (uint16_t)0X8098
#define GT911_KEY_LEAVE_LEVEL (uint16_t)0X8099
#define GT911_KEY_SENS_1_2 (uint16_t)0X809A
#define GT911_KEY_SENS_3_4 (uint16_t)0X809B
#define GT911_KEY_RESTRAIN (uint16_t)0X809C
#define GT911_KEY_RESTRAIN_TIME (uint16_t)0X809D
#define GT911_GESTURE_LARGE_TOUCH (uint16_t)0X809E
#define GT911_HOTKNOT_NOISE_MAP (uint16_t)0X80A1
#define GT911_LINK_THRESHOLD (uint16_t)0X80A2
#define GT911_PXY_THRESHOLD (uint16_t)0X80A3
#define GT911_GHOT_DUMP_SHIFT (uint16_t)0X80A4
#define GT911_GHOT_RX_GAIN (uint16_t)0X80A5
#define GT911_FREQ_GAIN0 (uint16_t)0X80A6
#define GT911_FREQ_GAIN1 (uint16_t)0X80A7
#define GT911_FREQ_GAIN2 (uint16_t)0X80A8
#define GT911_FREQ_GAIN3 (uint16_t)0X80A9
#define GT911_COMBINE_DIS (uint16_t)0X80B3
#define GT911_SPLIT_SET (uint16_t)0X80B4
#define GT911_SENSOR_CH0 (uint16_t)0X80B7
#define GT911_DRIVER_CH0 (uint16_t)0X80D5
#define GT911_CONFIG_CHKSUM (uint16_t)0X80FF
#define GT911_CONFIG_FRESH (uint16_t)0X8100
#define GT911_CONFIG_SIZE (uint16_t)0xFF-0x46
// Coordinate information
#define GT911_PRODUCT_ID (uint16_t)0X8140
#define GT911_FIRMWARE_VERSION (uint16_t)0X8140
#define GT911_RESOLUTION (uint16_t)0X8140
#define GT911_VENDOR_ID (uint16_t)0X8140
#define GT911_IMFORMATION (uint16_t)0X8140
#define GT911_POINT_INFO (uint16_t)0X814E
#define GT911_POINT_1 (uint16_t)0X814F
#define GT911_POINT_2 (uint16_t)0X8157
#define GT911_POINT_3 (uint16_t)0X815F
#define GT911_POINT_4 (uint16_t)0X8167
#define GT911_POINT_5 (uint16_t)0X816F
#define GT911_POINTS_REG {GT911_POINT_1, GT911_POINT_2, GT911_POINT_3, GT911_POINT_4, GT911_POINT_5}
typedef struct
{
uint16_t x;
uint16_t y;
uint16_t id;
uint16_t size;
}tp_finger_t;
class GT911
{
public:
static const uint8_t ROTATE_0 = 0;
static const uint8_t ROTATE_90 = 1;
static const uint8_t ROTATE_180 = 2;
static const uint8_t ROTATE_270 = 3;
public:
GT911();
int32_t begin(TwoWire *use_wire, int8_t pin_int, int8_t pin_res, uint16_t xs, uint16_t ys);
bool avaliable();
void update();
void SetRotation(uint16_t rotate);
tp_finger_t readFinger(uint8_t num);
uint16_t readFingerX(uint8_t num);
uint16_t readFingerY(uint8_t num);
uint16_t readFingerID(uint8_t num);
uint16_t readFingerSize(uint8_t num);
uint8_t getFingerNum(void);
bool isFingerUp(void);
void flush(void);
private:
void write(uint16_t addr, uint8_t data);
void write(uint16_t addr, const uint8_t *data, uint16_t len);
uint8_t read(uint16_t addr);
void read(uint16_t addr, uint8_t *buf, uint16_t len);
uint8_t calcChecksum(const uint8_t *buf, uint8_t len);
void reflashConfig();
void calculateChecksum();
void setResolution(uint16_t _width, uint16_t _height);
void readBlockData(uint8_t *buf, uint16_t reg, uint8_t size);
bool _is_finger_up = false;
uint8_t _num = 0;
uint8_t _rotate = ROTATE_90;
tp_finger_t _fingers[2];
uint8_t _iic_addr = 0x14;
TwoWire *wire;
uint8_t configBuf[GT911_CONFIG_SIZE];
};
#endif
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