initial commit

2025-03-21 09:59:09 +01:00
parent 59637f4fa8
commit f690d03c57
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+/**
+ *
+ * @license MIT License
+ *
+ * Copyright (c) 2024 lewis he
+ *
+ * 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      XL9555_AdjustBacklight.ino
+ * @author    Lewis He (lewishe@outlook.com)
+ * @date      2024-11-22
+ * @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
+ */
+#include <Arduino.h>
+#include "ExtensionIOXL9555.hpp"
+#include "AW9364LedDriver.hpp"
+
+#ifdef ENABLE_TFT
+#include "TFT_eSPI.h"
+TFT_eSPI tft;
+#endif
+
+#ifndef SENSOR_SDA
+#define SENSOR_SDA  17
+#endif
+
+#ifndef SENSOR_SCL
+#define SENSOR_SCL  18
+#endif
+
+#ifndef SENSOR_IRQ
+#define SENSOR_IRQ  -1
+#endif
+
+// Drive LED  pin, corresponding to XL9555 GPIO2
+#define BACKLIGHT_PIN   2
+
+ExtensionIOXL9555 io;
+AW9364LedDriver ledDriver;
+uint8_t level = 0;
+
+void setup()
+{
+    Serial.begin(115200);
+
+    // Set the interrupt input to input pull-up
+    if (SENSOR_IRQ > 0) {
+        pinMode(SENSOR_IRQ, INPUT_PULLUP);
+    }
+
+#ifdef ENABLE_TFT
+    tft.begin();
+    tft.setRotation(1);
+    tft.fillScreen(TFT_GREEN);
+#endif
+
+    /*
+    *
+    *    If the device address is not known, the 0xFF parameter can be passed in.
+    *
+    *    XL9555_UNKOWN_ADDRESS  = 0xFF
+    *
+    *    If the device address is known, the device address is given
+    *
+    *    XL9555_SLAVE_ADDRESS0  = 0x20
+    *    XL9555_SLAVE_ADDRESS1  = 0x21
+    *    XL9555_SLAVE_ADDRESS2  = 0x22
+    *    XL9555_SLAVE_ADDRESS3  = 0x23
+    *    XL9555_SLAVE_ADDRESS4  = 0x24
+    *    XL9555_SLAVE_ADDRESS5  = 0x25
+    *    XL9555_SLAVE_ADDRESS6  = 0x26
+    *    XL9555_SLAVE_ADDRESS7  = 0x27
+    */
+    const uint8_t chip_address = XL9555_UNKOWN_ADDRESS;
+
+    if (!io.begin(Wire, chip_address, SENSOR_SDA, SENSOR_SCL)) {
+        while (1) {
+            Serial.println("Failed to find XL9555 - check your wiring!");
+            delay(1000);
+        }
+    }
+
+    ledDriver.begin(&io, BACKLIGHT_PIN);
+
+}
+
+void loop()
+{
+    // 16 dimming levels
+    Serial.print("level:");
+    Serial.println(level);
+    ledDriver.setBrightness(level);
+    level++;
+    level %= MAX_BRIGHTNESS_STEPS;
+    delay(1000);
+}
+
+
+