fix speed calculate bug

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1231 bbd45198-f89e-11dd-88c7-29a3b14d5316

2 files changed, 4 insertions, 4 deletions

diff --git a/examples/file/readspeed.c b/examples/file/readspeed.c
index 2426756fab..a41c126550 100644
--- a/examples/file/readspeed.c
+++ b/examples/file/readspeed.c
@@ -55,7 +55,7 @@ void readspeed(const char* filename, int block_size)
 	rt_free(buff_ptr);

 

     /* calculate read speed */

-    rt_kprintf("File read speed: %d byte/s\n", total_length/ (tick/RT_TICK_PER_SECOND));

+    rt_kprintf("File read speed: %d byte/s\n", total_length*RT_TICK_PER_SECOND/tick);

 }

 

 #ifdef RT_USING_FINSH

diff --git a/examples/file/writespeed.c b/examples/file/writespeed.c
index 22b6d565d2..157b24f47a 100644
--- a/examples/file/writespeed.c
+++ b/examples/file/writespeed.c
@@ -20,7 +20,7 @@ void writespeed(const char* filename, int total_length, int block_size)
     char *buff_ptr;

     rt_tick_t tick;

 

-    fd = open(filename, O_WRONLY | O_WRONLY | O_TRUNC, 0);

+    fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC, 0);

     if (fd < 0)

     {

         rt_kprintf("open file:%s failed\n", filename);

@@ -53,7 +53,7 @@ void writespeed(const char* filename, int total_length, int block_size)
 			rt_kprintf("write failed\n");

 			break;

 		}

-		

+

 		index ++;

 	}

     tick = rt_tick_get() - tick;

@@ -63,7 +63,7 @@ void writespeed(const char* filename, int total_length, int block_size)
 	rt_free(buff_ptr);

 

     /* calculate write speed */

-    rt_kprintf("File write speed: %d byte/s\n", total_length/ (tick/RT_TICK_PER_SECOND));

+    rt_kprintf("File write speed: %d byte/s\n", total_length*RT_TICK_PER_SECOND/tick);

 }

 

 #ifdef RT_USING_FINSH