321 lines
8.3 KiB
C++
321 lines
8.3 KiB
C++
/**
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*
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* @license MIT License
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*
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* Copyright (c) 2022 lewis he
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* @file ExtensionIOXL9555.hpp
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* @author Lewis He (lewishe@outlook.com)
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* @date 2022-12-27
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*
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*/
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#pragma once
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#include "REG/XL9555Constants.h"
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#include "SensorPlatform.hpp"
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#include "ExtensionSPI.hpp"
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#include "VirtualGpio.hpp"
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typedef void (*gpio_event_t)(void *user_data);
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typedef struct ioEvent {
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uint8_t mode;
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gpio_event_t cb;
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void *user_data;
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uint8_t last_state;
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ioEvent() : mode(0), cb(NULL), user_data(NULL), last_state(LOW)
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{
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}
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} ioEvent_t;
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class ExtensionIOXL9555 :
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public VirtualGpio,
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public XL95xxConstants,
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public ExtensionSPI<ExtensionIOXL9555>
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{
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friend class ExtensionSPI<ExtensionIOXL9555>;
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public:
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enum {
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PORT0,
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PORT1,
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};
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enum ExtensionGPIO {
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IO0,
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IO1,
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IO2,
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IO3,
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IO4,
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IO5,
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IO6,
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IO7,
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IO8,
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IO9,
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IO10,
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IO11,
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IO12,
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IO13,
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IO14,
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IO15,
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};
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ExtensionIOXL9555() : comm(nullptr) {}
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~ExtensionIOXL9555()
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{
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if (comm) {
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comm->deinit();
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}
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}
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#if defined(ARDUINO)
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bool begin(TwoWire &wire, uint8_t addr = XL9555_UNKOWN_ADDRESS, int sda = -1, int scl = -1)
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{
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comm = std::make_unique<SensorCommI2C>(wire, addr, sda, scl);
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if (!comm) {
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return false;
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}
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comm->init();
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return initImpl(addr);
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}
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#elif defined(ESP_PLATFORM)
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#if defined(USEING_I2C_LEGACY)
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bool begin(i2c_port_t port_num, uint8_t addr = XL9555_UNKOWN_ADDRESS, int sda = -1, int scl = -1)
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{
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comm = std::make_unique<SensorCommI2C>(port_num, addr, sda, scl);
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if (!comm) {
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return false;
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}
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comm->init();
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return initImpl(addr);
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}
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#else
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bool begin(i2c_master_bus_handle_t handle, uint8_t addr = XL9555_UNKOWN_ADDRESS)
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{
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comm = std::make_unique<SensorCommI2C>(handle, addr);
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if (!comm) {
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return false;
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}
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comm->init();
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return initImpl(addr);
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}
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#endif //ESP_PLATFORM
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#endif //ARDUINO
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bool begin(SensorCommCustom::CustomCallback callback, uint8_t addr)
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{
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comm = std::make_unique<SensorCommCustom>(callback, addr);
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if (!comm) {
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return false;
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}
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comm->init();
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return initImpl(addr);
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}
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void deinit()
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{
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// end();
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}
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void pinMode(uint8_t pin, uint8_t mode)
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{
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uint8_t registers = 0;
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if (pin >= IO8) {
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pin -= IO8;
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registers = XL9555_CTRL_CFG1;
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} else {
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registers = XL9555_CTRL_CFG0;
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}
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switch (mode) {
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case INPUT:
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comm->setRegisterBit(registers, pin);
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break;
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case OUTPUT:
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comm->clrRegisterBit(registers, pin);
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break;
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default:
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break;
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}
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}
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int digitalRead(uint8_t pin)
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{
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uint8_t registers = 0;
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if (pin >= IO8) {
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pin -= IO8;
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registers = XL9555_CTRL_INP1;
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} else {
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registers = XL9555_CTRL_INP0;
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}
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return comm->getRegisterBit(registers, pin);
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}
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void digitalWrite(uint8_t pin, uint8_t val)
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{
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uint8_t registers = 0;
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if (pin >= IO8) {
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pin -= IO8;
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registers = XL9555_CTRL_OUTP1;
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} else {
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registers = XL9555_CTRL_OUTP0;
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}
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val ? comm->setRegisterBit(registers, pin) : comm->clrRegisterBit(registers, pin);
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}
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// Invert gpio
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void digitalToggle(uint8_t pin)
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{
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int state = 1 - digitalRead(pin);
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digitalWrite(pin, state);
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}
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// Read 8-bit gpio input status
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int readPort(uint8_t port)
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{
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return comm->readRegister(port == PORT0 ? XL9555_CTRL_INP0 : XL9555_CTRL_INP1);
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}
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// Write 8 bits of data to the specified port
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int writePort(uint8_t port, uint8_t mask)
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{
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return comm->writeRegister(port == PORT0 ? XL9555_CTRL_OUTP0 : XL9555_CTRL_OUTP1, mask);
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}
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// Read 16-bit gpio input status
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uint16_t read()
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{
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uint16_t val = 0x0;
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comm->readRegister(XL9555_CTRL_INP0, (uint8_t *)&val, 2);
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return val;
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}
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// Write 16-bit data to gpio, low bit port 0
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void write(uint16_t value)
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{
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uint8_t buffer[2] = {highByte(value), lowByte(value)};
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comm->writeRegister(XL9555_CTRL_OUTP0, buffer, 2);
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}
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// Read the specified port configuration status
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int readConfig(uint8_t port)
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{
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return comm->readRegister(port == PORT0 ? XL9555_CTRL_CFG0 : XL9555_CTRL_CFG1);
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}
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// Configure the specified port as input or output , 0xFF = all pin input , 0x00 = all pin output
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int configPort(uint8_t port, uint8_t mask)
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{
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return comm->writeRegister(port == PORT0 ? XL9555_CTRL_CFG0 : XL9555_CTRL_CFG1, mask);
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}
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void setPinEvent(uint8_t pin, uint8_t mode, gpio_event_t event, void *user_data)
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{
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if (pin > XL9555_MAX_PIN) {
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log_e("XL9555 Max use io pin is 0 ~ 15 .");
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return;
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}
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this->event[pin].cb = event;
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this->event[pin].mode = mode;
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this->event[pin].user_data = user_data;
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}
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void removePinEvent(uint8_t pin)
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{
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if (pin > XL9555_MAX_PIN) {
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log_e("XL9555 Max use io pin is 0 ~ 15 .");
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return;
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}
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this->event[pin].cb = NULL;
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}
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void update()
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{
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uint16_t val = this->read();
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int i = XL9555_MAX_PIN;
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for (; i >= 0; i--) {
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uint8_t _index = XL9555_MAX_PIN - i;
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if (this->event[_index].cb != NULL) {
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if (!(val & 1)) {
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if (this->event[_index].mode == LOW) {
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this->event[_index].cb(this->event[_index].user_data);
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}
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this->event[_index].last_state = LOW;
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} else {
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if (this->event[_index].mode == HIGH && this->event[_index].last_state == LOW) {
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this->event[_index].cb(this->event[_index].user_data);
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}
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this->event[_index].last_state = HIGH;
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}
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}
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val >>= 1;
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}
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}
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void setClock(uint32_t frequency)
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{
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//TODO:
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}
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uint32_t getClock()
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{
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//TODO:
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return 0;
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}
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private:
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bool initImpl(uint8_t addr)
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{
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if (addr == XL9555_UNKOWN_ADDRESS) {
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log_d("Try to automatically discover the device");
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for (uint8_t a = XL9555_SLAVE_ADDRESS0; a <= XL9555_SLAVE_ADDRESS7; ++a) {
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I2CParam params(I2CParam::I2C_SET_ADDR, a);
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comm->setParams(params);
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log_d("Try to use 0x%02x address.", a);
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if (comm->readRegister(XL9555_CTRL_INP0) != -1) {
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log_d("Found the xl9555 chip address is 0x%X", a);
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return true;
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}
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}
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log_e("No found xl9555 chip ...");
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return false;
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}
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if (comm->readRegister(XL9555_CTRL_INP0) < 0 ) {
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return false;
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}
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return true;
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}
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ioEvent_t event[16];
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protected:
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uint32_t _frequency;
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std::unique_ptr<SensorCommBase> comm;
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};
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