From 94b6a42cb17f8912eab5aaca809ac604c8a71fea Mon Sep 17 00:00:00 2001
From: chenxin <chenxin@servirst.com>
Date: Wed, 18 Jun 2025 11:16:34 +0800
Subject: [PATCH] main

---
 src/i2c_communication.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/i2c_communication.cpp b/src/i2c_communication.cpp
index 773595c..673d2cf 100644
--- a/src/i2c_communication.cpp
+++ b/src/i2c_communication.cpp
@@ -15,7 +15,7 @@ void init_i2c_slave() {
     Wire.setSCL(I2C_SCL_PIN);
     //Wire.Pins(16,17);
     Wire.begin(SLAVE_ADDRESS);                 // 设置从机地址为 0x55
-    Wire.onRequest(onRequestEvent);   // 注册请求回调  ***改用主机命令0x01
+    Wire.onRequest(onRequestEvent);   // 注册请求回调  ***主机使用命令0x01不行，无应答
     Wire.onReceive(onReceiveEvent);   // 注册接收回调
 }
 
@@ -49,7 +49,7 @@ void onReceiveEvent(int bytes) {
                 turn_on_ranging();
                 break;
             case CMD_MASTER_GET_SLAVE_DATA: 
-                onRequestEvent();  // 主动调用一次数据发送
+                onRequestEvent();  // 主动调用一次数据发送.功能不正常，需使用Wire.onRequest(onRequestEvent);
                 break;
             default:
                 Serial.printf("Unknown command received: 0x%02X\n", cmd);
@@ -89,7 +89,7 @@ void update_sensor_data() {
         sensor_data.height = 0.0f;
     }else {
         last_receive_cnt = receive_cnt;
-        sensor_data.height_sta = 0x02; // 有效高度
+        sensor_data.height_sta = 0x03; // 有效高度，正常工作
         sensor_data.height = (float)distance / 1000.0f; // mm -> m
     }
 }