116 lines
3.1 KiB
C++
116 lines
3.1 KiB
C++
/**
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*
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* @license MIT License
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*
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* Copyright (c) 2024 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 XL9555_AdjustBacklight.ino
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* @author Lewis He (lewishe@outlook.com)
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* @date 2024-11-22
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* @note Use XL9555 to drive AW9364 led driver, use esp32 to test, the highest I2C communication rate must reach 1MHz, otherwise it will not work
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*/
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#include <Arduino.h>
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#include "ExtensionIOXL9555.hpp"
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#include "AW9364LedDriver.hpp"
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#ifdef ENABLE_TFT
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#include "TFT_eSPI.h"
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TFT_eSPI tft;
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#endif
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#ifndef SENSOR_SDA
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#define SENSOR_SDA 17
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#endif
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#ifndef SENSOR_SCL
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#define SENSOR_SCL 18
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#endif
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#ifndef SENSOR_IRQ
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#define SENSOR_IRQ -1
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#endif
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// Drive LED pin, corresponding to XL9555 GPIO2
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#define BACKLIGHT_PIN 2
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ExtensionIOXL9555 io;
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AW9364LedDriver ledDriver;
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uint8_t level = 0;
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void setup()
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{
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Serial.begin(115200);
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// Set the interrupt input to input pull-up
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if (SENSOR_IRQ > 0) {
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pinMode(SENSOR_IRQ, INPUT_PULLUP);
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}
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#ifdef ENABLE_TFT
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tft.begin();
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tft.setRotation(1);
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tft.fillScreen(TFT_GREEN);
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#endif
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/*
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*
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* If the device address is not known, the 0xFF parameter can be passed in.
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*
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* XL9555_UNKOWN_ADDRESS = 0xFF
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*
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* If the device address is known, the device address is given
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*
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* XL9555_SLAVE_ADDRESS0 = 0x20
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* XL9555_SLAVE_ADDRESS1 = 0x21
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* XL9555_SLAVE_ADDRESS2 = 0x22
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* XL9555_SLAVE_ADDRESS3 = 0x23
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* XL9555_SLAVE_ADDRESS4 = 0x24
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* XL9555_SLAVE_ADDRESS5 = 0x25
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* XL9555_SLAVE_ADDRESS6 = 0x26
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* XL9555_SLAVE_ADDRESS7 = 0x27
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*/
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const uint8_t chip_address = XL9555_UNKOWN_ADDRESS;
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if (!io.begin(Wire, chip_address, SENSOR_SDA, SENSOR_SCL)) {
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while (1) {
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Serial.println("Failed to find XL9555 - check your wiring!");
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delay(1000);
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}
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}
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ledDriver.begin(&io, BACKLIGHT_PIN);
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}
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void loop()
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{
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// 16 dimming levels
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Serial.print("level:");
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Serial.println(level);
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ledDriver.setBrightness(level);
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level++;
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level %= MAX_BRIGHTNESS_STEPS;
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delay(1000);
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}
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