From b876b9a9274d446e8c5a6796f53ddb829efaa6df Mon Sep 17 00:00:00 2001
From: oscgonfer <oscgonfer@gmail.com>
Date: Wed, 6 Aug 2025 10:47:50 +0200
Subject: [PATCH] Bring back detection code for SEN5X after branch rebase

---
 src/detect/ScanI2CTwoWire.cpp | 36 +++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/src/detect/ScanI2CTwoWire.cpp b/src/detect/ScanI2CTwoWire.cpp
index 1736e2e4a..c10bad8e8 100644
--- a/src/detect/ScanI2CTwoWire.cpp
+++ b/src/detect/ScanI2CTwoWire.cpp
@@ -110,6 +110,42 @@ uint16_t ScanI2CTwoWire::getRegisterValue(const ScanI2CTwoWire::RegisterLocation
     return value;
 }
 
+/// for SEN5X detection
+// Note, this code needs to be called before setting the I2C bus speed
+// for the screen at high speed. The speed needs to be at 100kHz, otherwise
+// detection will not work
+String readSEN5xProductName(TwoWire* i2cBus, uint8_t address) {
+    uint8_t cmd[] = { 0xD0, 0x14 };
+    uint8_t response[48] = {0};
+
+    i2cBus->beginTransmission(address);
+    i2cBus->write(cmd, 2);
+    if (i2cBus->endTransmission() != 0) return "";
+
+    delay(20);
+    if (i2cBus->requestFrom(address, (uint8_t)48) != 48) return "";
+
+    for (int i = 0; i < 48 && i2cBus->available(); ++i) {
+        response[i] = i2cBus->read();
+    }
+
+    char productName[33] = {0};
+    int j = 0;
+    for (int i = 0; i < 48 && j < 32; i += 3) {
+        if (response[i] >= 32 && response[i] <= 126)
+            productName[j++] = response[i];
+        else
+            break;
+
+        if (response[i + 1] >= 32 && response[i + 1] <= 126)
+            productName[j++] = response[i + 1];
+        else
+            break;
+    }
+
+    return String(productName);
+}
+
 #define SCAN_SIMPLE_CASE(ADDR, T, ...)                                                                                           \
     case ADDR:                                                                                                                   \
         logFoundDevice(__VA_ARGS__);                                                                                             \