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attempt to fix a bug with ft5316

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This commit is contained in:
gemu2015 2021-05-01 09:56:09 +02:00
parent b3e69e71e5
commit 8a22f591ea
2 changed files with 22 additions and 18 deletions
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39
lib/lib_display/FT5206_Library/src/FT5206.cpp
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@ -29,8 +29,7 @@ github:https://github.com/lewisxhe/FT5206_Library
///////////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////////////
#include "FT5206.h" #include "FT5206.h"
int FT5206_Class::begin(TwoWire &port, uint8_t addr) int FT5206_Class::begin(TwoWire &port, uint8_t addr) {
{
_i2cPort = &port; _i2cPort = &port;
_address = addr; _address = addr;
uint8_t val; uint8_t val;
@ -39,9 +38,9 @@ int FT5206_Class::begin(TwoWire &port, uint8_t addr)
if (val != FT5206_VENDID) { if (val != FT5206_VENDID) {
// return false; // return false;
} }
_readByte(FT5206_CHIPID_REG, 1, &val); _readByte(FT5206_CHIPID_REG, 1, &chip_id);
//Serial.printf("chip id %d\n",val ); //Serial.printf("chip id %d\n",val );
if ((val != FT6206_CHIPID) && (val != FT6236_CHIPID) && (val != FT6236U_CHIPID) && (val != FT5206U_CHIPID) && (val != FT5316_CHIPID) ) { if ((chip_id != FT6206_CHIPID) && (chip_id != FT6236_CHIPID) && (chip_id != FT6236U_CHIPID) && (chip_id != FT5206U_CHIPID) && (chip_id != FT5316_CHIPID) ) {
return false; return false;
} }
_init = true; _init = true;
@ -49,14 +48,12 @@ int FT5206_Class::begin(TwoWire &port, uint8_t addr)
} }
// valid touching detect threshold. // valid touching detect threshold.
void FT5206_Class::adjustTheshold(uint8_t thresh) void FT5206_Class::adjustTheshold(uint8_t thresh) {
{
if (!_init)return; if (!_init)return;
_writeByte(FT5206_THRESHHOLD_REG, 1, &thresh); _writeByte(FT5206_THRESHHOLD_REG, 1, &thresh);
} }
TP_Point FT5206_Class::getPoint(uint8_t num) TP_Point FT5206_Class::getPoint(uint8_t num) {
{
if (!_init) return TP_Point(0, 0); if (!_init) return TP_Point(0, 0);
_readRegister(); _readRegister();
if ((_touches == 0) || (num > 1)) { if ((_touches == 0) || (num > 1)) {
@ -66,30 +63,36 @@ TP_Point FT5206_Class::getPoint(uint8_t num)
} }
} }
uint8_t FT5206_Class::touched() uint8_t FT5206_Class::touched() {
{ if (!_init) return 0;
if (!_init)return 0;
uint8_t val = 0; uint8_t val = 0;
_readByte(FT5206_TOUCHES_REG,1,&val); if (chip_id == FT5316_CHIPID) {
_readByte(FT5206_MODE_REG, 1, &val);
if (val) {
// wrong mode
val = 0;
_writeByte(FT5206_MODE_REG, 1, &val);
}
}
_readByte(FT5206_TOUCHES_REG, 1, &val);
//Serial.printf(">> TP: %d\n", val);
return val > 2 ? 0: val; return val > 2 ? 0: val;
} }
void FT5206_Class::enterSleepMode() void FT5206_Class::enterSleepMode() {
{
if (!_init)return; if (!_init)return;
uint8_t val = FT5206_SLEEP_IN; uint8_t val = FT5206_SLEEP_IN;
_writeByte(FT5206_POWER_REG, 1, &val); _writeByte(FT5206_POWER_REG, 1, &val);
} }
void FT5206_Class::enterMonitorMode() void FT5206_Class::enterMonitorMode() {
{
if (!_init)return; if (!_init)return;
uint8_t val = FT5206_MONITOR; uint8_t val = FT5206_MONITOR;
_writeByte(FT5206_POWER_REG, 1, &val); _writeByte(FT5206_POWER_REG, 1, &val);
} }
void FT5206_Class::_readRegister() void FT5206_Class::_readRegister() {
{
_readByte(DEVIDE_MODE, 16, _data); _readByte(DEVIDE_MODE, 16, _data);
_touches = _data[TD_STATUS]; _touches = _data[TD_STATUS];
if ((_touches > 2) || (_touches == 0)) { if ((_touches > 2) || (_touches == 0)) {

1
lib/lib_display/FT5206_Library/src/FT5206.h
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@ -120,4 +120,5 @@ private:
uint8_t _touches = 0; uint8_t _touches = 0;
bool _init = false; bool _init = false;
TwoWire *_i2cPort; TwoWire *_i2cPort;
uint8_t chip_id;
}; };