From e209cf01962a4c4744a87a02eefbab6924257749 Mon Sep 17 00:00:00 2001
From: Fatima Idrees <fatimaxidrees@gmail.com>
Date: Mon, 19 May 2025 14:26:59 +0300
Subject: [PATCH] Updated

---
 examples/Master/Master.ino |  5 ++---
 src/I2CMotor.cpp           | 11 ++++++-----
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/examples/Master/Master.ino b/examples/Master/Master.ino
index 448f220..a63c76e 100644
--- a/examples/Master/Master.ino
+++ b/examples/Master/Master.ino
@@ -1,11 +1,10 @@
 #include <I2CMotor.h>
-#include <Wire.h>
 
 // Define I2C pins and slave addresses
 #define SDA_PIN 8
 #define SCL_PIN 3
-#define INITIAL_SLAVE_ADDR 0x08
-#define NEW_SLAVE_ADDR     0x10
+#define INITIAL_SLAVE_ADDR 0x10
+#define NEW_SLAVE_ADDR     0x12
 
 I2CMotor motor(SDA_PIN, SCL_PIN);
 
diff --git a/src/I2CMotor.cpp b/src/I2CMotor.cpp
index 5c53999..82aeb73 100644
--- a/src/I2CMotor.cpp
+++ b/src/I2CMotor.cpp
@@ -18,11 +18,12 @@ String I2CMotor::identify() {
 }
 
 void I2CMotor::setDeviceName(const char* newname) {
-    uint8_t len = strlen(newname);
     Wire.beginTransmission(slave_addr_);
-    Wire.write(0x06);
-    Wire.write(len);
-    Wire.write((const uint8_t*)newname, len);
+    Wire.write(0x02); // CMD_SET_NAME (must match slave)
+    for (uint8_t i = 0; i < strlen(newname); i++) {
+        Wire.write(newname[i]);
+    }
+    Wire.write('\0'); // Ensure null-terminated string for slave
     Wire.endTransmission();
 }
 
@@ -74,7 +75,7 @@ uint8_t I2CMotor::scanForMotorController() {
                 if (c == '\0') break;
                 id += c;
             }
-            if (id.length() && id.indexOf("dc motor") >= 0) {
+            if (id.length() && id.indexOf("GENERIC") >= 0) {
                 Serial.print("Found motor controller at 0x");
                 Serial.print(addr, HEX);
                 Serial.print(": ");