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Fix touch flickering caused by invalid buffer status! #9

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Fix touch flickering caused by invalid buffer status! #9

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6 changes: 5 additions & 1 deletion TAMC_GT911.cpp
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
#include "Arduino.h"
#include <Arduino.h>
#include <TAMC_GT911.h>
#include <Wire.h>

Expand Down Expand Up @@ -70,6 +70,10 @@ void TAMC_GT911::read(void) {
uint8_t bufferStatus = pointInfo >> 7 & 1;
uint8_t proximityValid = pointInfo >> 5 & 1;
uint8_t haveKey = pointInfo >> 4 & 1;

if (!bufferStatus)
return;

isLargeDetect = pointInfo >> 6 & 1;
touches = pointInfo & 0xF;
// Serial.print("bufferStatus: ");Serial.println(bufferStatus);
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3 changes: 1 addition & 2 deletions TAMC_GT911.h
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@
#ifndef TAMC_GT911_H
#define TAMC_GT911_H

#include "Arduino.h"
#include <Arduino.h>
#include <Wire.h>

#define GT911_ADDR1 (uint8_t)0x5D
Expand All @@ -13,7 +13,6 @@
#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
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2 changes: 1 addition & 1 deletion library.properties
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
name=TAMC_GT911
version=1.0.2
version=1.0.3
author=TAMC
maintainer=TAMC <tamctec@gmail.com>
sentence=Arduino library for GT911
Expand Down