Initial commit

T-Display-S3-main/example/I2CScan/I2CScan.ino

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+/**
+ * @file      I2CScan.ino
+ * @author    Lewis He (lewishe@outlook.com)
+ * @license   MIT
+ * @copyright Copyright (c) 2023  Shenzhen Xin Yuan Electronic Technology Co., Ltd
+ * @date      2023-06-30
+ *
+ */
+
+#include <Arduino.h>
+#include <Wire.h>
+
+
+void deviceScan(TwoWire *_port, Stream *stream)
+{
+    uint8_t err, addr;
+    int nDevices = 0;
+    for (addr = 1; addr < 127; addr++) {
+        _port->beginTransmission(addr);
+        err = _port->endTransmission();
+        if (err == 0) {
+            stream->print("I2C device found at address 0x");
+            if (addr < 16)
+                stream->print("0");
+            stream->print(addr, HEX);
+            stream->println(" !");
+            nDevices++;
+        } else if (err == 4) {
+            stream->print("Unknow error at address 0x");
+            if (addr < 16)
+                stream->print("0");
+            stream->println(addr, HEX);
+        }
+    }
+    if (nDevices == 0)
+        stream->println("No I2C devices found\n");
+    else
+        stream->println("Done\n");
+}
+
+int sda = 18;
+int scl = 17;
+#define PIN_POWER_ON 15
+
+void setup()
+{
+    pinMode(PIN_POWER_ON, OUTPUT);
+    digitalWrite(PIN_POWER_ON, HIGH);
+
+    Serial.begin(115200);
+    Wire.begin(sda, scl);
+}
+
+void loop()
+{
+    deviceScan(&Wire, &Serial);
+    delay(1000);
+}