--- a/src/cs/drivers/drv_app/sim/sim32.c	Tue Jan 19 06:10:27 2021 +0000
+++ b/src/cs/drivers/drv_app/sim/sim32.c	Sat Jan 30 06:34:22 2021 +0000
@@ -15,7 +15,7 @@
 
 #include "main/sys_types.h"
 #include <assert.h>
-#include "inth/iq.h" 
+#include "inth/iq.h"
 #include "sim.h"
 
 
@@ -33,8 +33,8 @@
 /*
  * SIM_IntHandler
  *
- * Read cause of SIM interrupt : 
- * 
+ * Read cause of SIM interrupt :
+ *
  * if receive buffer full, read char
  * if transmitter empty, change direction, transmit a dummy char
  *
@@ -42,17 +42,17 @@
 void SIM_IntHandler(void)
 {
    volatile unsigned short it, i, stat, conf1;
-   volatile SYS_UWORD8 ins; 
+   volatile SYS_UWORD8 ins;
    volatile SYS_UWORD8 rx;
    volatile SYS_UWORD8 nack;
    volatile SYS_UWORD8 nack1;
 
-   
+
    SIM_PORT *p;
 
    p = &(Sim[0]);
 
-   p->rxParityErr = 0;   
+   p->rxParityErr = 0;
    it = p->c->it;
 
    if ((it & SIM_IT_ITRX) && !(p->c->maskit & SIM_MASK_RX)) // int on reception
@@ -74,21 +74,21 @@
           rx    = (SYS_UWORD8) (stat & 0x00FF);
           ins   = p->xbuf[1] & p->hw_mask;
           nack  = (~p->xbuf[1]) & p->hw_mask;
-            
+
           switch (p->moderx)
           {
               case 0:                  //mode of normal reception without proc char (like PTS proc)
                   p->rbuf[p->rx_index++] = rx;
-                  break;      
+                  break;
 
               case 1:                  //mode wait for ACK
                   if ((rx & p->hw_mask) == ins)
                   {
                       p->moderx = 2;
-                  }  
+                  }
                   else if ((rx & p->hw_mask) == nack)
                   {
-                      p->moderx = 4;          
+                      p->moderx = 4;
                   }
                   else if (((rx & 0xF0) == 0x60) || ((rx & 0xF0) == 0x90))
                   {
@@ -108,9 +108,9 @@
                   else
                   {
                     p->errorSIM = SIM_ERR_ABNORMAL_CASE2;
-                  }  
+                  }
                                         //if rx = 0x60 wait for ACK
-                  break;      
+                  break;
 
               case 2:                  //mode reception by block
                   p->rbuf[p->rx_index++] = rx;
@@ -121,38 +121,38 @@
                       {
                           p->moderx = 5;
                       }
-                  }	
+                  }
                   else
-                  {  
+                  {
                   if (p->rx_index == p->expected_data)
                   {
                       p->moderx = 5;
                   }
                   }
-                  break;      
-  
+                  break;
+
               case 3:                  //mode reception char by char. reception of proc char
                   if ((rx & p->hw_mask) == ins)
                   {
                       p->moderx = 2;
-                  }            
+                  }
                   else if ((rx & p->hw_mask) == nack)
                   {
-                      p->moderx = 4;          
-                  }                      //if rx = 0x60 wait for ACK  
+                      p->moderx = 4;
+                  }                      //if rx = 0x60 wait for ACK
                   else if (rx == 0x60)
                   {
                       p->null_received == 1;
 #ifdef SIM_DEBUG_TRACE
 		      SIM_dbg_null[1]++;
 #endif
-                  }  
-                    
+                  }
+
                   break;
 
               case 4:                  //mode reception char by char. reception of data
                   p->rbuf[p->rx_index++] = rx;
-                  p->moderx = 3;        //switch to receive proc char mode      
+                  p->moderx = 3;        //switch to receive proc char mode
 
                   if(p->expected_data == 256)
                   {
@@ -162,14 +162,14 @@
                       }
                   }
                   else
-                  {  
+                  {
                   if (p->rx_index == p->expected_data)
                   {
                       p->moderx = 5;
                   }
                   }
                   break;
-              
+
               case 5:                  //mode wait for procedure character except NULL
                   if ((rx != 0x60) || (p->SWcount != 0))  //treat NULL character only if arriving before SW1 SW2
                   {
@@ -185,7 +185,7 @@
 
 
                   break;
-                  
+
               case 6:                  //give the acknowledge char
                   if (((rx & 0xF0) == 0x60) || ((rx & 0xF0) == 0x90))
                   {
@@ -203,7 +203,7 @@
                       }
                   }
                   else
-                  {                     
+                  {
                      p->ack = rx;
                   }
           }
@@ -235,18 +235,18 @@
                 p->conf1 &= ~SIM_CONF1_TXRX;   // return the direction
                 p->c->conf1 = p->conf1;
              }
-             
+
              if (p->xOut < (p->xIn - 2))
              {
                 p->xOut++;
                 p->c->tx = *(p->xOut);         // transmit
-             }                                 
-         }   
+             }
+         }
       }
       else
       {
          p->c->tx = *(p->xOut);            // transmit same char
-         p->txParityErr++;                 // count number of transmit parity errors 
+         p->txParityErr++;                 // count number of transmit parity errors
       }
 
    }
@@ -255,7 +255,7 @@
    if ((it & SIM_IT_ITOV) && !(p->c->maskit & SIM_MASK_OV))
    {
       p->errorSIM = SIM_ERR_OVF;
-      
+
    }
    if ((it & SIM_IT_WT) && !(p->c->maskit & SIM_MASK_WT))
    {
@@ -287,8 +287,8 @@
   /*
    * SIM_CD_IntHandler
    *
-   * Read cause of SIM interrupt : 
-   * 
+   * Read cause of SIM interrupt :
+   *
    */
   void SIM_CD_IntHandler(void)
   {
@@ -297,7 +297,7 @@
 
     p = &(Sim[0]);
 
-    p->rxParityErr = 0;   
+    p->rxParityErr = 0;
     it_cd = p->c->it_cd;
 
     // SIM card insertion / extraction
@@ -317,5 +317,5 @@
 // to force this module to be linked
 SYS_UWORD16 SIM_Dummy(void)
 {
-   
+
 }