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lsdlsd88
2024-04-25 17:22:13 +02:00
parent 683b846d60
commit b5204b2a68
2737 changed files with 1534650 additions and 0 deletions
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1-Demo/Demo_Arduino/Libraries/Touch_GT911/Touch_GT911.cpp
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#include "Arduino.h"
#include <Touch_GT911.h>
#include <Wire.h>
Touch_GT911::Touch_GT911(uint8_t _sda, uint8_t _scl, uint8_t _int, uint8_t _rst, uint16_t _width, uint16_t _height) :
pinSda(_sda), pinScl(_scl), pinRst(_rst), width(_width), height(_height) {
}
TPoint::TPoint(void) {
id = x = y = size = 0;
}
TPoint::TPoint(uint8_t _id, uint16_t _x, uint16_t _y, uint16_t _size) {
id = _id;
x = _x;
y = _y;
size = _size;
}
bool TPoint::operator==(TPoint point) {
return ((point.x == x) && (point.y == y) && (point.size == size));
}
bool TPoint::operator!=(TPoint point) {
return ((point.x != x) || (point.y != y) || (point.size != size));
}
void Touch_GT911::begin(uint8_t _addr) {
addr = _addr;
Wire.begin(pinSda, pinScl);
}
void Touch_GT911::calculateChecksum() {
uint8_t checksum;
for (uint8_t i=0; i<GT911_CONFIG_SIZE; i++) {
checksum += configBuf[i];
}
checksum = (~checksum) + 1;
configBuf[GT911_CONFIG_CHKSUM - GT911_CONFIG_START] = checksum;
}
void Touch_GT911::reConfig() {
calculateChecksum();
writeByteData(GT911_CONFIG_CHKSUM, configBuf[GT911_CONFIG_CHKSUM-GT911_CONFIG_START]);
writeByteData(GT911_CONFIG_FRESH, 1);
}
void Touch_GT911::setRotation(uint8_t rot) {
rotation = rot;
}
void Touch_GT911::setResolution(uint16_t _width, uint16_t _height) {
configBuf[GT911_X_OUTPUT_MAX_LOW - GT911_CONFIG_START] = lowByte(_width);
configBuf[GT911_X_OUTPUT_MAX_HIGH - GT911_CONFIG_START] = highByte(_width);
configBuf[GT911_Y_OUTPUT_MAX_LOW - GT911_CONFIG_START] = lowByte(_height);
configBuf[GT911_Y_OUTPUT_MAX_HIGH - GT911_CONFIG_START] = highByte(_height);
reConfig();
}
void Touch_GT911::read(void) {
uint8_t data[7];
uint8_t id;
uint16_t x, y, size;
uint8_t pointInfo = readByteData(GT911_POINT_INFO);
uint8_t bufferStatus = pointInfo >> 7 & 1;
uint8_t proximityValid = pointInfo >> 5 & 1;
uint8_t haveKey = pointInfo >> 4 & 1;
isLargeDetect = pointInfo >> 6 & 1;
touches = pointInfo & 0xF;
isTouched = touches > 0;
if (bufferStatus == 1 && isTouched) {
for (uint8_t i=0; i<touches; i++) {
readBlockData(data, GT911_POINT_1 + i * 8, 7);
points[i] = readPoint(data);
}
}
writeByteData(GT911_POINT_INFO, 0);
}
TPoint Touch_GT911::readPoint(uint8_t *data) {
uint16_t temp;
uint8_t id = data[0];
uint16_t x = data[1] + (data[2] << 8);
uint16_t y = data[3] + (data[4] << 8);
uint16_t size = data[5] + (data[6] << 8);
switch (rotation){
case ROTATION_NORMAL:
x = width - x;
y = height - y;
break;
case ROTATION_LEFT:
temp = x;
x = width - y;
y = temp;
break;
case ROTATION_INVERTED:
x = x;
y = y;
break;
case ROTATION_RIGHT:
temp = x;
x = y;
y = height - temp;
break;
default:
break;
}
return TPoint(id, x, y, size);
}
void Touch_GT911::writeByteData(uint16_t reg, uint8_t val) {
Wire.beginTransmission(addr);
Wire.write(highByte(reg));
Wire.write(lowByte(reg));
Wire.write(val);
Wire.endTransmission();
}
uint8_t Touch_GT911::readByteData(uint16_t reg) {
uint8_t x;
Wire.beginTransmission(addr);
Wire.write(highByte(reg));
Wire.write(lowByte(reg));
Wire.endTransmission();
Wire.requestFrom(addr, (uint8_t)1);
x = Wire.read();
return x;
}
void Touch_GT911::writeBlockData(uint16_t reg, uint8_t *val, uint8_t size) {
Wire.beginTransmission(addr);
Wire.write(highByte(reg));
Wire.write(lowByte(reg));
// Wire.write(val, size);
for (uint8_t i=0; i<size; i++) {
Wire.write(val[i]);
}
Wire.endTransmission();
}
void Touch_GT911::readBlockData(uint8_t *buf, uint16_t reg, uint8_t size) {
Wire.beginTransmission(addr);
Wire.write(highByte(reg));
Wire.write(lowByte(reg));
Wire.endTransmission();
Wire.requestFrom(addr, size);
for (uint8_t i=0; i<size; i++) {
buf[i] = Wire.read();
}
}
1-Demo/Demo_Arduino/Libraries/Touch_GT911/Touch_GT911.h
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#ifndef Touch_GT911_H
#define Touch_GT911_H
#include "Arduino.h"
#include <Wire.h>
#define GT911_ADDR1 (uint8_t)0x5D
#define GT911_ADDR2 (uint8_t)0x14
#define ROTATION_LEFT (uint8_t)0
#define ROTATION_INVERTED (uint8_t)1
#define ROTATION_RIGHT (uint8_t)2
#define ROTATION_NORMAL (uint8_t)3
// 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
#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_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_SPACE_TOP_BOTTOM (uint16_t)0x805B
#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_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}
class TPoint {
public:
TPoint(void);
TPoint(uint8_t id, uint16_t x, uint16_t y, uint16_t size);
bool operator==(TPoint);
bool operator!=(TPoint);
uint8_t id;
uint16_t x;
uint16_t y;
uint8_t size;
};
class Touch_GT911 {
public:
Touch_GT911(uint8_t _sda, uint8_t _scl, uint8_t _int, uint8_t _rst, uint16_t _width, uint16_t _height);
void begin(uint8_t _addr=GT911_ADDR1);
void setRotation(uint8_t rot);
void setResolution(uint16_t _width, uint16_t _height);
// void setOnRead(void (*isr)());
uint8_t getGesture(void);
void read(void);
uint8_t isLargeDetect;
uint8_t touches = 0;
bool isTouched = false;
// uint8_t gesture = NO_GESTURE;
TPoint points[5];
private:
void calculateChecksum();
void reConfig();
TPoint readPoint(uint8_t *data);
void writeByteData(uint16_t reg, uint8_t val);
uint8_t readByteData(uint16_t reg);
void writeBlockData(uint16_t reg, uint8_t *val, uint8_t size);
void readBlockData(uint8_t *buf, uint16_t reg, uint8_t size);
uint8_t rotation = ROTATION_NORMAL;
uint8_t addr;
uint8_t pinSda;
uint8_t pinScl;
uint8_t pinRst;
uint16_t width;
uint16_t height;
uint8_t configBuf[GT911_CONFIG_SIZE];
};
#endif // Touch_GT911_H