Gregory Cristian / DmTftLibrary

Driver Library with inverted screen and increased SPI speed (16MHz). You need to use this library with the sx1280

Dependents:   MSNV2-Terminal_V1-6 SX1280DevKit SX126xDevKit SX126xDevKit ... more

Fork of DmTftLibrary by Display Module

DmTpFt6x06.cpp@17:0e2203ae4cec, 2016-11-11 (annotated)

Committer:
GregCr
Date:
Fri Nov 11 12:48:02 2016 +0000
Revision:
17:0e2203ae4cec
Parent:
14:2db7065edbec 
typo

Who changed what in which revision?

UserRevisionLine numberNew contents of line
displaymodule 13:6ff2649b6c27 1 /**********************************************************************************************
displaymodule 13:6ff2649b6c27 2 Copyright (c) 2015 DisplayModule. All rights reserved.
displaymodule 13:6ff2649b6c27 3
displaymodule 13:6ff2649b6c27 4 Redistribution and use of this source code, part of this source code or any compiled binary
displaymodule 13:6ff2649b6c27 5 based on this source code is permitted as long as the above copyright notice and following
displaymodule 13:6ff2649b6c27 6 disclaimer is retained.
displaymodule 13:6ff2649b6c27 7
displaymodule 13:6ff2649b6c27 8 DISCLAIMER:
displaymodule 13:6ff2649b6c27 9 THIS SOFTWARE IS SUPPLIED "AS IS" WITHOUT ANY WARRANTIES AND SUPPORT. DISPLAYMODULE ASSUMES
displaymodule 13:6ff2649b6c27 10 NO RESPONSIBILITY OR LIABILITY FOR THE USE OF THE SOFTWARE.
displaymodule 13:6ff2649b6c27 11 ********************************************************************************************/
displaymodule 13:6ff2649b6c27 12 // Tested with FT6X06
displaymodule 13:6ff2649b6c27 13
displaymodule 13:6ff2649b6c27 14 #include "DmTpFt6x06.h"
displaymodule 13:6ff2649b6c27 15 //#define log(...) Serial.println(__VA_ARGS__)
displaymodule 13:6ff2649b6c27 16 #define log(...)
displaymodule 13:6ff2649b6c27 17
displaymodule 13:6ff2649b6c27 18 #if defined(DM_TOOLCHAIN_ARDUINO)
displaymodule 13:6ff2649b6c27 19 // disp - which display is used
displaymodule 13:6ff2649b6c27 20 // useIrq - Enable IRQ or disable IRQ
displaymodule 13:6ff2649b6c27 21 DmTpFt6x06::DmTpFt6x06(Display disp, bool useIrq)
displaymodule 13:6ff2649b6c27 22 #elif defined (DM_TOOLCHAIN_MBED)
displaymodule 13:6ff2649b6c27 23 // disp - which display is used
displaymodule 13:6ff2649b6c27 24 // &i2c - I2C class
displaymodule 13:6ff2649b6c27 25 // useIrq - Enable IRQ or disable IRQ
displaymodule 13:6ff2649b6c27 26 DmTpFt6x06::DmTpFt6x06(Display disp, I2C &i2c, bool useIrq)
displaymodule 13:6ff2649b6c27 27 #endif
displaymodule 13:6ff2649b6c27 28 {
displaymodule 13:6ff2649b6c27 29 switch (disp) {
displaymodule 13:6ff2649b6c27 30 case DmTpFt6x06::DM_TFT28_116:
displaymodule 13:6ff2649b6c27 31 _irq = D2;
displaymodule 13:6ff2649b6c27 32 break;
displaymodule 13:6ff2649b6c27 33 default:
displaymodule 13:6ff2649b6c27 34 _irq = D2;
displaymodule 13:6ff2649b6c27 35 break;
displaymodule 13:6ff2649b6c27 36 }
displaymodule 13:6ff2649b6c27 37
displaymodule 13:6ff2649b6c27 38 if (!useIrq) {
displaymodule 14:2db7065edbec 39 _irq = NC;
displaymodule 13:6ff2649b6c27 40 }
displaymodule 13:6ff2649b6c27 41 #if defined (DM_TOOLCHAIN_MBED)
displaymodule 13:6ff2649b6c27 42 _i2c = &i2c;
displaymodule 13:6ff2649b6c27 43 #endif
displaymodule 13:6ff2649b6c27 44 }
displaymodule 13:6ff2649b6c27 45
displaymodule 13:6ff2649b6c27 46 void DmTpFt6x06::init() {
displaymodule 13:6ff2649b6c27 47 log("enter init()");
displaymodule 13:6ff2649b6c27 48
displaymodule 13:6ff2649b6c27 49 #if defined (DM_TOOLCHAIN_ARDUINO)
displaymodule 13:6ff2649b6c27 50 Wire.begin();
displaymodule 13:6ff2649b6c27 51 Serial.print("Panel ID: "); Serial.println(readRegister8(FT6x06_FOCALTECH_ID));
displaymodule 13:6ff2649b6c27 52 Serial.print("Chip ID: "); Serial.println(readRegister8(FT6x06_CHIPER));
displaymodule 13:6ff2649b6c27 53 Serial.print("Firmware V: "); Serial.println(readRegister8(FT6x06_FIRMID));
displaymodule 13:6ff2649b6c27 54 Serial.print("Point Rate Hz: "); Serial.println(readRegister8(FT6x06_PERIODACTIVE));
displaymodule 13:6ff2649b6c27 55 Serial.print("Threshold: "); Serial.println(readRegister8(FT6x06_TH_GROUP));
displaymodule 13:6ff2649b6c27 56 #elif defined (DM_TOOLCHAIN_MBED)
displaymodule 13:6ff2649b6c27 57 _i2c->frequency(400000);
displaymodule 13:6ff2649b6c27 58 #endif
displaymodule 13:6ff2649b6c27 59 if (_irq != -1) { // We will use Touch IRQ
displaymodule 13:6ff2649b6c27 60 enableIrq();
displaymodule 13:6ff2649b6c27 61 }
displaymodule 13:6ff2649b6c27 62
displaymodule 13:6ff2649b6c27 63
displaymodule 13:6ff2649b6c27 64 log("exit init()");
displaymodule 13:6ff2649b6c27 65 }
displaymodule 13:6ff2649b6c27 66
displaymodule 13:6ff2649b6c27 67 void DmTpFt6x06::enableIrq() {
displaymodule 13:6ff2649b6c27 68 log("enter enableIrq()");
displaymodule 13:6ff2649b6c27 69
displaymodule 13:6ff2649b6c27 70 #if defined (DM_TOOLCHAIN_ARDUINO)
displaymodule 13:6ff2649b6c27 71 pinMode(_irq, INPUT);
displaymodule 13:6ff2649b6c27 72 _pinIrq = portInputRegister(digitalPinToPort(_irq));
displaymodule 13:6ff2649b6c27 73 _bitmaskIrq = digitalPinToBitMask(_irq);
displaymodule 13:6ff2649b6c27 74 #elif defined (DM_TOOLCHAIN_MBED)
displaymodule 13:6ff2649b6c27 75 _pinIrq = new DigitalIn((PinName)_irq);
displaymodule 13:6ff2649b6c27 76 _pinIrq->mode(PullUp);
displaymodule 13:6ff2649b6c27 77 #endif
displaymodule 13:6ff2649b6c27 78
displaymodule 13:6ff2649b6c27 79 log("exit enableIrq()");
displaymodule 13:6ff2649b6c27 80 }
displaymodule 13:6ff2649b6c27 81
displaymodule 13:6ff2649b6c27 82 uint8_t DmTpFt6x06::readRegister8(uint8_t reg) {
displaymodule 13:6ff2649b6c27 83 #if defined (DM_TOOLCHAIN_ARDUINO)
displaymodule 13:6ff2649b6c27 84 uint8_t x ;
displaymodule 13:6ff2649b6c27 85 Wire.beginTransmission(FT6x06_ADDR);
displaymodule 13:6ff2649b6c27 86 Wire.write((byte)reg);
displaymodule 13:6ff2649b6c27 87 Wire.endTransmission();
displaymodule 13:6ff2649b6c27 88 Wire.beginTransmission(FT6x06_ADDR);
displaymodule 13:6ff2649b6c27 89 Wire.requestFrom((byte)FT6x06_ADDR, (byte)1);
displaymodule 13:6ff2649b6c27 90 x = Wire.read();
displaymodule 13:6ff2649b6c27 91 Wire.endTransmission();
displaymodule 13:6ff2649b6c27 92 return x;
displaymodule 13:6ff2649b6c27 93 #elif defined (DM_TOOLCHAIN_MBED)
displaymodule 13:6ff2649b6c27 94 char buf[1] = {reg}, data = 0;
displaymodule 13:6ff2649b6c27 95 _i2c->write(FT6x06_ADDR, buf, 1, true);
displaymodule 13:6ff2649b6c27 96 _i2c->read(FT6x06_ADDR, &data, 1);
displaymodule 13:6ff2649b6c27 97 return data;
displaymodule 13:6ff2649b6c27 98 #endif
displaymodule 13:6ff2649b6c27 99 }
displaymodule 13:6ff2649b6c27 100
displaymodule 13:6ff2649b6c27 101 void DmTpFt6x06::writeRegister8(uint8_t reg, uint8_t val) {
displaymodule 13:6ff2649b6c27 102 #if defined (DM_TOOLCHAIN_ARDUINO)
displaymodule 13:6ff2649b6c27 103 Wire.beginTransmission(FT6x06_ADDR);
displaymodule 13:6ff2649b6c27 104 Wire.write((byte)reg);
displaymodule 13:6ff2649b6c27 105 Wire.write((byte)val);
displaymodule 13:6ff2649b6c27 106 Wire.endTransmission();
displaymodule 13:6ff2649b6c27 107 #elif defined (DM_TOOLCHAIN_MBED)
displaymodule 13:6ff2649b6c27 108 char buf[2] = {reg, val};
displaymodule 13:6ff2649b6c27 109 _i2c->write(FT6x06_ADDR, buf, 2);
displaymodule 13:6ff2649b6c27 110 #endif
displaymodule 13:6ff2649b6c27 111 }
displaymodule 13:6ff2649b6c27 112
displaymodule 13:6ff2649b6c27 113
displaymodule 13:6ff2649b6c27 114 bool DmTpFt6x06::isTouched() {
displaymodule 13:6ff2649b6c27 115 if (_irq == -1) {
displaymodule 13:6ff2649b6c27 116 uint8_t val;
displaymodule 13:6ff2649b6c27 117 val = readRegister8(FT6x06_TD_STATUS);
displaymodule 13:6ff2649b6c27 118 if ((val == 1) || (val == 2)) return true;
displaymodule 13:6ff2649b6c27 119 return false;
displaymodule 13:6ff2649b6c27 120 }
displaymodule 13:6ff2649b6c27 121
displaymodule 13:6ff2649b6c27 122 #if defined (DM_TOOLCHAIN_ARDUINO)
displaymodule 13:6ff2649b6c27 123 if ( !gbi(_pinIrq, _bitmaskIrq) ) {
displaymodule 13:6ff2649b6c27 124 return true;
displaymodule 13:6ff2649b6c27 125 }
displaymodule 13:6ff2649b6c27 126 return false;
displaymodule 13:6ff2649b6c27 127 #elif defined (DM_TOOLCHAIN_MBED)
displaymodule 13:6ff2649b6c27 128 if (!_pinIrq->read()) {
displaymodule 13:6ff2649b6c27 129 return true;
displaymodule 13:6ff2649b6c27 130 }
displaymodule 13:6ff2649b6c27 131 return false;
displaymodule 13:6ff2649b6c27 132 #endif
displaymodule 13:6ff2649b6c27 133 }
displaymodule 13:6ff2649b6c27 134
displaymodule 13:6ff2649b6c27 135
displaymodule 13:6ff2649b6c27 136 void DmTpFt6x06::readTouchData(uint16_t& posX, uint16_t& posY, bool& touching) {
displaymodule 13:6ff2649b6c27 137 #if defined (DM_TOOLCHAIN_ARDUINO)
displaymodule 13:6ff2649b6c27 138 uint8_t buf[16];
displaymodule 13:6ff2649b6c27 139 Wire.beginTransmission(FT6x06_ADDR);
displaymodule 13:6ff2649b6c27 140 Wire.write((byte)0);
displaymodule 13:6ff2649b6c27 141 Wire.endTransmission();
displaymodule 13:6ff2649b6c27 142 Wire.beginTransmission(FT6x06_ADDR);
displaymodule 13:6ff2649b6c27 143 Wire.requestFrom((byte)FT6x06_ADDR, (byte)16);
displaymodule 13:6ff2649b6c27 144 for (uint8_t i=0; i<16; i++)
displaymodule 13:6ff2649b6c27 145 buf[i] = Wire.read();
displaymodule 13:6ff2649b6c27 146 Wire.endTransmission();
displaymodule 13:6ff2649b6c27 147
displaymodule 13:6ff2649b6c27 148 posX = buf[3] & 0x0F;
displaymodule 13:6ff2649b6c27 149 posX <<= 8;
displaymodule 13:6ff2649b6c27 150 posX |= buf[4];
displaymodule 13:6ff2649b6c27 151 posY = buf[5] & 0x0F;
displaymodule 13:6ff2649b6c27 152 posY <<= 8;
displaymodule 13:6ff2649b6c27 153 posY |= buf[6];
displaymodule 13:6ff2649b6c27 154 #elif defined (DM_TOOLCHAIN_MBED)
displaymodule 13:6ff2649b6c27 155 posX = readRegister8(0x03) & 0x0F;
displaymodule 13:6ff2649b6c27 156 posX <<= 8;
displaymodule 13:6ff2649b6c27 157 posX |= readRegister8(0x04);
displaymodule 13:6ff2649b6c27 158 posY = readRegister8(0x05) & 0x0F;
displaymodule 13:6ff2649b6c27 159 posY <<= 8;
displaymodule 13:6ff2649b6c27 160 posY |= readRegister8(0x06);
displaymodule 13:6ff2649b6c27 161
displaymodule 13:6ff2649b6c27 162 posX = map(posX, 0, 240, 240, 0);
displaymodule 13:6ff2649b6c27 163 posY = map(posY, 0, 320, 320, 0);
displaymodule 13:6ff2649b6c27 164 #endif
displaymodule 13:6ff2649b6c27 165 touching = isTouched();
displaymodule 13:6ff2649b6c27 166 }
displaymodule 13:6ff2649b6c27 167
displaymodule 13:6ff2649b6c27 168 bool DmTpFt6x06::readTouchData(uint16_t& posX, uint16_t& posY) {
displaymodule 13:6ff2649b6c27 169 #if defined (DM_TOOLCHAIN_ARDUINO)
displaymodule 13:6ff2649b6c27 170 uint8_t buf[16];
displaymodule 13:6ff2649b6c27 171 Wire.beginTransmission(FT6x06_ADDR);
displaymodule 13:6ff2649b6c27 172 Wire.write((byte)0);
displaymodule 13:6ff2649b6c27 173 Wire.endTransmission();
displaymodule 13:6ff2649b6c27 174 Wire.beginTransmission(FT6x06_ADDR);
displaymodule 13:6ff2649b6c27 175 Wire.requestFrom((byte)FT6x06_ADDR, (byte)16);
displaymodule 13:6ff2649b6c27 176 for (uint8_t i=0; i<16; i++)
displaymodule 13:6ff2649b6c27 177 buf[i] = Wire.read();
displaymodule 13:6ff2649b6c27 178 Wire.endTransmission();
displaymodule 13:6ff2649b6c27 179
displaymodule 13:6ff2649b6c27 180 if(buf[2] > 2){
displaymodule 13:6ff2649b6c27 181 posX = 0;
displaymodule 13:6ff2649b6c27 182 posY = 0;
displaymodule 13:6ff2649b6c27 183 return false;
displaymodule 13:6ff2649b6c27 184 }
displaymodule 13:6ff2649b6c27 185 posX = buf[3] & 0x0F;
displaymodule 13:6ff2649b6c27 186 posX <<= 8;
displaymodule 13:6ff2649b6c27 187 posX |= buf[4];
displaymodule 13:6ff2649b6c27 188 posY = buf[5] & 0x0F;
displaymodule 13:6ff2649b6c27 189 posY <<= 8;
displaymodule 13:6ff2649b6c27 190 posY |= buf[6];
displaymodule 13:6ff2649b6c27 191 return true;
displaymodule 13:6ff2649b6c27 192 #elif defined (DM_TOOLCHAIN_MBED)
displaymodule 13:6ff2649b6c27 193 if(readRegister8(0x03) > 2){
displaymodule 13:6ff2649b6c27 194 posX = 0;
displaymodule 13:6ff2649b6c27 195 posY = 0;
displaymodule 13:6ff2649b6c27 196 return false;
displaymodule 13:6ff2649b6c27 197 }
displaymodule 13:6ff2649b6c27 198
displaymodule 13:6ff2649b6c27 199 posX = readRegister8(0x03) & 0x0F;
displaymodule 13:6ff2649b6c27 200 posX <<= 8;
displaymodule 13:6ff2649b6c27 201 posX |= readRegister8(0x04);
displaymodule 13:6ff2649b6c27 202 posY = readRegister8(0x05) & 0x0F;
displaymodule 13:6ff2649b6c27 203 posY <<= 8;
displaymodule 13:6ff2649b6c27 204 posY |= readRegister8(0x06);
displaymodule 13:6ff2649b6c27 205
displaymodule 13:6ff2649b6c27 206 posX = map(posX, 0, 240, 240, 0);
displaymodule 13:6ff2649b6c27 207 posY = map(posY, 0, 320, 320, 0);
displaymodule 13:6ff2649b6c27 208 return true;
displaymodule 13:6ff2649b6c27 209 #endif
displaymodule 13:6ff2649b6c27 210 }
displaymodule 13:6ff2649b6c27 211
displaymodule 13:6ff2649b6c27 212 long DmTpFt6x06::map(long x, long in_min, long in_max, long out_min, long out_max)
displaymodule 13:6ff2649b6c27 213 {
displaymodule 13:6ff2649b6c27 214 return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
displaymodule 13:6ff2649b6c27 215 }