🌈 style:增加注释

HJ232_Source/source/Driver/src/IIC.c

@@ -320,7 +320,7 @@ void  bsp_IIC_NACK( void )
     bsp_IIC_nop();
 
     bsp_IIC_SCL_out( 0 );
-
+    //sda = 1?
     bsp_IIC_nop();
 
 }
@@ -338,14 +338,14 @@ uint8_t  bsp_IIC_WaitAck( void )
 
     bsp_IIC_SDA_inConfig();
 
-    bsp_IIC_SCL_out( 1 );
+    bsp_IIC_SCL_out( 1 );//高电平获取
 
     while ( ( ack ) && ( --i != 0 ) )
     {
         ack = bsp_IIC_SDA_getVal();
     }
 
-    bsp_IIC_SCL_out( 0 );
+    bsp_IIC_SCL_out( 0 );//从机可发送数据
 
     if ( IIC_addr == 0x38 )
     {