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rt-thread-official/examples/test/device_test.c

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add calculate_speed_print for device_test git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1747 bbd45198-f89e-11dd-88c7-29a3b14d5316
2011-10-10 00:14:45 +08:00
/*
* File : device_test.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2011, RT-Thread Development Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://openlab.rt-thread.com/license/LICENSE.
*
* Change Logs:
* Date Author Notes
* 2011-01-01 aozima the first version
*/
#include <rtthread.h>
/* calculate speed */
static void calculate_speed_print(rt_uint32_t speed)
{
rt_uint32_t k,m;
k = speed/1024UL;
if( k )
{
m = k/1024UL;
if( m )
{
rt_kprintf("%d.%dMbyte/s",m,k%1024UL*100/1024UL);
}
else
{
rt_kprintf("%d.%dKbyte/s",k,speed%1024UL*100/1024UL);
}
}
else
{
rt_kprintf("%dbyte/s",speed);
}
}
static rt_err_t _block_device_test(rt_device_t device)
{
rt_err_t result;
struct rt_device_blk_geometry geometry;
rt_uint8_t * read_buffer = RT_NULL;
rt_uint8_t * write_buffer = RT_NULL;
rt_kprintf("\r\n");
if( (device->flag & RT_DEVICE_FLAG_RDWR) == RT_DEVICE_FLAG_RDWR )
{
// device can read and write.
// step 1: open device
result = device->open(device,RT_DEVICE_FLAG_RDWR);
if( result == RT_EOK )
{
device->open_flag |= RT_DEVICE_OFLAG_RDWR | RT_DEVICE_OFLAG_OPEN;
}
else
{
return result;
}
// step 2: get device info
rt_memset(&geometry, 0, sizeof(geometry));
result = rt_device_control(device, RT_DEVICE_CTRL_BLK_GETGEOME, &geometry);
if( result != RT_EOK )
{
rt_kprintf("device : %s cmd RT_DEVICE_CTRL_BLK_GETGEOME failed.\r\n");
return result;
}
rt_kprintf("device info:\r\n");
rt_kprintf("sector size : %d byte\r\n",geometry.bytes_per_sector);
rt_kprintf("sector count : %d \r\n",geometry.sector_count);
rt_kprintf("block size : %d byte\r\n",geometry.block_size);
rt_kprintf("\r\n");
read_buffer = rt_malloc(geometry.bytes_per_sector);
if( read_buffer == RT_NULL )
{
rt_kprintf("no memory for read_buffer!\r\n");
goto __return;
}
write_buffer = rt_malloc(geometry.bytes_per_sector);
if( write_buffer == RT_NULL )
{
rt_kprintf("no memory for write_buffer!\r\n");
goto __return;
}
//step 3: I/O R/W test
{
rt_uint32_t i,err_count,sector_no;
rt_uint8_t * data_point;
// the first sector
sector_no = 0;
data_point = write_buffer;
*data_point++ = (rt_uint8_t)sector_no;
for(i=1; i<geometry.bytes_per_sector; i++)
{
*data_point++ = (rt_uint8_t)i;
}
i = device->write(device,sector_no,write_buffer,1);
if( i != 1 )
{
rt_kprintf("write device :%s ",device->parent.name);
rt_kprintf("the first sector failed.\r\n");
goto __return;
}
i = device->read(device,sector_no,read_buffer,1);
if( i != 1 )
{
rt_kprintf("read device :%s ",device->parent.name);
rt_kprintf("the first sector failed.\r\n");
goto __return;
}
err_count = 0;
data_point = read_buffer;
if( (*data_point++) != (rt_uint8_t)sector_no)
{
err_count++;
}
for(i=1; i<geometry.bytes_per_sector; i++)
{
if( (*data_point++) != (rt_uint8_t)i )
{
err_count++;
}
}
if( err_count > 0 )
{
rt_kprintf("verify device :%s ",device->parent.name);
rt_kprintf("the first sector failed.\r\n");
goto __return;
}
// the second sector
sector_no = 1;
data_point = write_buffer;
*data_point++ = (rt_uint8_t)sector_no;
for(i=1; i<geometry.bytes_per_sector; i++)
{
*data_point++ = (rt_uint8_t)i;
}
i = device->write(device,sector_no,write_buffer,1);
if( i != 1 )
{
rt_kprintf("write device :%s ",device->parent.name);
rt_kprintf("the second sector failed.\r\n");
goto __return;
}
i = device->read(device,sector_no,read_buffer,1);
if( i != 1 )
{
rt_kprintf("read device :%s ",device->parent.name);
rt_kprintf("the second sector failed.\r\n");
goto __return;
}
err_count = 0;
data_point = read_buffer;
if( (*data_point++) != (rt_uint8_t)sector_no)
{
err_count++;
}
for(i=1; i<geometry.bytes_per_sector; i++)
{
if( (*data_point++) != (rt_uint8_t)i )
{
err_count++;
}
}
if( err_count > 0 )
{
rt_kprintf("verify device :%s ",device->parent.name);
rt_kprintf("the second sector failed.\r\n");
goto __return;
}
// the end sector
sector_no = geometry.sector_count-1;
data_point = write_buffer;
*data_point++ = (rt_uint8_t)sector_no;
for(i=1; i<geometry.bytes_per_sector; i++)
{
*data_point++ = (rt_uint8_t)i;
}
i = device->write(device,sector_no,write_buffer,1);
if( i != 1 )
{
rt_kprintf("write device :%s ",device->parent.name);
rt_kprintf("the end sector failed.\r\n");
goto __return;
}
i = device->read(device,sector_no,read_buffer,1);
if( i != 1 )
{
rt_kprintf("read device :%s ",device->parent.name);
rt_kprintf("the end sector failed.\r\n");
goto __return;
}
err_count = 0;
data_point = read_buffer;
if( (*data_point++) != (rt_uint8_t)sector_no)
{
err_count++;
}
for(i=1; i<geometry.bytes_per_sector; i++)
{
if( (*data_point++) != (rt_uint8_t)i )
{
err_count++;
}
}
if( err_count > 0 )
{
rt_kprintf("verify device :%s ",device->parent.name);
rt_kprintf("the end sector failed.\r\n");
goto __return;
}
rt_kprintf("device I/O R/W test pass!\r\n");
}//step 3: I/O R/W test
// step 4: speed test
{
rt_uint32_t tick_start,tick_end;
rt_uint32_t i;
rt_kprintf("\r\n");
rt_kprintf("device I/O speed test.\r\n");
rt_kprintf("RT_TICK_PER_SECOND:%d\r\n",RT_TICK_PER_SECOND);
if( geometry.sector_count < 10 )
{
rt_kprintf("device sector_count < 10,speed test abort!\r\n");
}
else
{
// sign sector read
tick_start = rt_tick_get();
for(i=0; i<200; i++)
{
device->read(device,i%10,read_buffer,1);
}
tick_end = rt_tick_get();
rt_kprintf("read 200 sector from %d to %d, ",tick_start,tick_end);
calculate_speed_print( (geometry.bytes_per_sector*200UL*RT_TICK_PER_SECOND)/(tick_end-tick_start) );
rt_kprintf("\r\n");
// sign sector write
tick_start = rt_tick_get();
for(i=0; i<200; i++)
{
device->write(device,i%10,read_buffer,1);
}
tick_end = rt_tick_get();
rt_kprintf("write 200 sector from %d to %d, ",tick_start,tick_end);
calculate_speed_print( (geometry.bytes_per_sector*200UL*RT_TICK_PER_SECOND)/(tick_end-tick_start) );
rt_kprintf("\r\n");
}
}// step 4: speed test
return RT_EOK;
}// device can read and write.
else
{
// device read only
return RT_EOK;
}// device read only
__return:
if( read_buffer != RT_NULL )
{
rt_free(read_buffer);
}
if( write_buffer != RT_NULL )
{
rt_free(write_buffer);
}
return RT_ERROR;
}
int device_test(const char * device_name)
{
rt_device_t device = RT_NULL;
// step 1:find device
device = rt_device_find(device_name);
if( device == RT_NULL)
{
rt_kprintf("device %s: not found!\r\n");
return RT_ERROR;
}
// step 2:init device
if (!(device->flag & RT_DEVICE_FLAG_ACTIVATED))
{
rt_err_t result;
result = device->init(device);
if (result != RT_EOK)
{
rt_kprintf("To initialize device:%s failed. The error code is %d\r\n",
device->parent.name, result);
return result;
}
else
{
device->flag |= RT_DEVICE_FLAG_ACTIVATED;
}
}
// step 3: device test
switch( device->type )
{
case RT_Device_Class_Block :
rt_kprintf("block device!\r\n");
return _block_device_test(device);
default:
rt_kprintf("unkown device type : %02X",device->type);
return RT_ERROR;
}
}
#ifdef RT_USING_FINSH
#include <finsh.h>
FINSH_FUNCTION_EXPORT(device_test, e.g:device_test("sd0"));
#endif