Changeset 49 for trunk/kernel/devices/dev_txt.c

Timestamp:

Jun 26, 2017, 1:40:02 PM (6 years ago)

Author:

max@…

Message:

style

File:

• trunk/kernel/devices/dev_txt.c (modified) (9 diffs)

trunk/kernel/devices/dev_txt.c

@@ -1 +1 @@
 /*
  * dev_txt.c - TXT (Text Terminal) generic device API implementation.
- * 
+ *
  * Author  Alain Greiner    (2016)
  *
@@ -43 +43 @@
 {
     // the local ICU chdev must be initialized before the TXT chdev, because
-    // the TXT chdev initialisation requires allocation of a WTI from local ICU
+    // the TXT chdev initialization requires allocation of a WTI from local ICU
     xptr_t  icu_xp  = chdev_dir.icu[local_cxy];
     assert( (icu_xp != XPTR_NULL) , __FUNCTION__ , "ICU not initialised before TXT" );
@@ -77 +77 @@
     dev_icu_enable_irq( lid , WTI_TYPE , wti_id , chdev );
 
-    // link IOC IRQ to WTI mailbox in PIC component 
+    // link IOC IRQ to WTI mailbox in PIC component
     uint32_t irq_id = chdev_pic_input.txt[channel];
     dev_pic_bind_irq( irq_id , local_cxy , wti_id );
@@ -89 +89 @@
                                   &chdev_sequencial_server,
                                   chdev,
-                                  lid ); 
+                                  lid );
     assert( (error == 0) , __FUNCTION__ , "cannot create server thread" );
 
     // set "server" field in chdev descriptor
     chdev->server = new_thread;
-    
+
     // start server thread
     thread_unblock( XPTR( local_cxy , new_thread ) , THREAD_BLOCKED_GLOBAL );
-
-} // end dev_txt_init()
-
+}
 
 //////////////////////////////////////////////////////////////////////////////////
@@ -111 +109 @@
     thread_t * this = CURRENT_THREAD;
 
-    txt_dmsg("\n[INFO] in %s : thread %x in process %x enters\n", 
+    txt_dmsg("\n[INFO] in %s : thread %x in process %x enters\n",
                  __FUNCTION__ , this->trdid , this->process->pid );
 
@@ -133 +131 @@
     chdev_register_command( dev_xp , this );
 
-    txt_dmsg("\n[INFO] in %s : thread %x in process %x completes / error = %d\n", 
+    txt_dmsg("\n[INFO] in %s : thread %x in process %x completes / error = %d\n",
              __FUNCTION__ , this->trdid , this->process->pid , this->command.txt.error );
 
     // return I/O operation status from calling thread descriptor
-    return this->command.txt.error;  
-
-}  // end dev_txt_access()
+    return this->command.txt.error;
+}
 
 /////////////////////////////////////////
@@ -148 +145 @@
     return dev_txt_access( TXT_WRITE , channel , buffer , count );
 }
- 
+
 /////////////////////////////////////////
 error_t dev_txt_read( uint32_t   channel,
@@ -161 +158 @@
                             uint32_t   count )
 {
-    // get pointer on calling thread 
+    // get pointer on calling thread
     thread_t * this = CURRENT_THREAD;
 
-    // get extended pointer on TXT[0] chdev 
+    // get extended pointer on TXT[0] chdev
     xptr_t  dev_xp = chdev_dir.txt[channel];
 
     assert( (dev_xp != XPTR_NULL) , __FUNCTION__ , "undefined TXT0 chdev descriptor" );
 
-    // register command in calling thread 
+    // register command in calling thread
     this->command.txt.dev_xp  = dev_xp;
     this->command.txt.type    = TXT_SYNC_WRITE;
@@ -175 +172 @@
     this->command.txt.count   = count;
 
-    // get driver command function 
+    // get driver command function
     cxy_t       dev_cxy = GET_CXY( dev_xp );
     chdev_t   * dev_ptr = (chdev_t *)GET_PTR( dev_xp );
     dev_cmd_t * cmd = (dev_cmd_t *)hal_remote_lpt( XPTR( dev_cxy , &dev_ptr->cmd ) );
 
-    // call directly driver command 
+    // call directly driver command
     cmd( XPTR( local_cxy , this ) );
 
     // return I/O operation status from calling thread descriptor
     return this->command.txt.error;
-  
-}  // end dev_txt_sync_write()
+}