From 256c1ff08e49f65a0b3ca9a870529a263c1da12d Mon Sep 17 00:00:00 2001
From: Jason2866 <jason2866@github.com>
Date: Thu, 28 Oct 2021 19:25:07 +0200
Subject: [PATCH] del not needed code

---
 .../Mutichannel_Gas_Sensor/src/MutichannelGasSensor.cpp     | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/lib/lib_i2c/Mutichannel_Gas_Sensor/src/MutichannelGasSensor.cpp b/lib/lib_i2c/Mutichannel_Gas_Sensor/src/MutichannelGasSensor.cpp
index 2d4d4c5dd..1fc2c1ac1 100644
--- a/lib/lib_i2c/Mutichannel_Gas_Sensor/src/MutichannelGasSensor.cpp
+++ b/lib/lib_i2c/Mutichannel_Gas_Sensor/src/MutichannelGasSensor.cpp
@@ -240,12 +240,6 @@ int16_t MutichannelGasSensor::readData(uint8_t cmd)
     delay(2);
     //get response
     Wire.requestFrom(i2cAddress, (uint8_t)4);    // request 4 bytes from slave device
-    while(Wire.available() == 0)
-    {
-        if(timeout++ > 100)
-            return -2;//time out
-        delay(2);
-    }
     if(Wire.available() != 4)
         return -3;//rtnData length wrong
     buffer[0] = Wire.read();