/** * * @license MIT License * * Copyright (c) 2022 micky * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. * * @file ModulesGT911.tpp * @author Micky (513673326@qq.com) * @date 2022-10-24 * */ #if defined(ARDUINO) #include #endif #include "REG/GT911Constants.h" #include "TouchLibCommon.tpp" #include "TouchLibInterface.hpp" class TouchLibGT911 : public TouchLibCommon, public TouchLibInterface { friend class TouchLibCommon; public: #if defined(ARDUINO) TouchLibGT911(TwoWire &w, int sda = SDA, int scl = SCL, uint8_t addr = GT911_SLAVE_ADDRESS2, int rst = -1) { __wire = &w; __sda = sda; __scl = scl; __addr = addr; __rst = rst; } #endif TouchLibGT911() { #if defined(ARDUINO) __wire = &Wire; __sda = SDA; __scl = SCL; __rst = -1; #endif __addr = GT911_SLAVE_ADDRESS2; } ~TouchLibGT911() { log_i("~TouchLibGT911"); deinit(); } bool init() { begin(); this->writeRegister(GT911_COMMAND, (uint8_t)0x02); // software reset delay(200); int val = readRegister(GT911_MODULE_SWITCH_1); val &= 0XFC; val |= 0x03; this->writeRegister(GT911_MODULE_SWITCH_1, (uint8_t)val); delay(200); return true; } void deinit() { end(); } bool enableSleep() { this->writeRegister(GT911_COMMAND, (uint8_t)0x05); return 0; } bool read() { this->readRegister(GT911_POINT_INFO, raw_data, sizeof(raw_data)); this->writeRegister(GT911_POINT_INFO, (uint8_t)0x00); // sync signal return (raw_data[0] & 0xF) != 0 ? true : false; } uint8_t getPointNum() { return raw_data[0] & 0xF; } TP_Point getPoint(uint8_t n) { if (n > 4) { log_i("The parameter range of getPoint is between 0 and 4."); return TP_Point(0, 0, 0, 0, 0, 0); } TP_Point t; uint16_t point_reg[5] = GT911_POINTS_REG; uint16_t offset = point_reg[n] - GT911_POINT_INFO; t.id = raw_data[offset]; t.x = raw_data[offset + 1] + (raw_data[offset + 2] << 8); t.y = raw_data[offset + 3] + (raw_data[offset + 4] << 8); t.size = raw_data[offset + 5] | (raw_data[offset + 6] << 8); if (rotation == 0) { } else if (rotation == 1) { uint16_t tmp = t.x; t.x = t.y; t.y = tmp; } return t; } void setRotation(uint8_t r) { rotation = r % 4; } uint8_t getRotation() { return rotation; } protected: bool initImpl() { return true; } uint8_t raw_data[40] = {0}; uint8_t rotation = 0; };