518 lines
16 KiB
C
518 lines
16 KiB
C
/*
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* File : device_test.c
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2011, RT-Thread Development Team
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://openlab.rt-thread.com/license/LICENSE.
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*
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* Change Logs:
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* Date Author Notes
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* 2011-01-01 aozima the first version.
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* 2012-02-11 aozima add multiple sector speed test.
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* 2012-05-27 aozima use rt_deice API.
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*/
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#include <rtthread.h>
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/* calculate speed */
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static void calculate_speed_print(rt_uint32_t speed)
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{
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rt_uint32_t k,m;
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k = speed/1024UL;
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if( k )
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{
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m = k/1024UL;
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if( m )
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{
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rt_kprintf("%d.%dMbyte/s",m,k%1024UL*100/1024UL);
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}
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else
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{
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rt_kprintf("%d.%dKbyte/s",k,speed%1024UL*100/1024UL);
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}
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}
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else
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{
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rt_kprintf("%dbyte/s",speed);
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}
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}
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static rt_err_t _block_device_test(rt_device_t device)
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{
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rt_err_t result;
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struct rt_device_blk_geometry geometry;
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rt_uint8_t * read_buffer = RT_NULL;
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rt_uint8_t * write_buffer = RT_NULL;
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rt_kprintf("\r\n");
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if( (device->flag & RT_DEVICE_FLAG_RDWR) == RT_DEVICE_FLAG_RDWR )
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{
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// device can read and write.
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// step 1: open device
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result = rt_device_open(device,RT_DEVICE_FLAG_RDWR);
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if( result != RT_EOK )
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{
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return result;
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}
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// step 2: get device info
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rt_memset(&geometry, 0, sizeof(geometry));
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result = rt_device_control(device,
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RT_DEVICE_CTRL_BLK_GETGEOME,
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&geometry);
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if( result != RT_EOK )
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{
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rt_kprintf("device : %s cmd RT_DEVICE_CTRL_BLK_GETGEOME failed.\r\n");
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return result;
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}
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rt_kprintf("device info:\r\n");
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rt_kprintf("sector size : %d byte\r\n", geometry.bytes_per_sector);
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rt_kprintf("sector count : %d \r\n", geometry.sector_count);
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rt_kprintf("block size : %d byte\r\n", geometry.block_size);
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rt_kprintf("\r\n");
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read_buffer = rt_malloc(geometry.bytes_per_sector);
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if( read_buffer == RT_NULL )
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{
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rt_kprintf("no memory for read_buffer!\r\n");
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goto __return;
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}
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write_buffer = rt_malloc(geometry.bytes_per_sector);
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if( write_buffer == RT_NULL )
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{
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rt_kprintf("no memory for write_buffer!\r\n");
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goto __return;
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}
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/* step 3: R/W test */
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{
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rt_uint32_t i,err_count, sector_no;
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rt_uint8_t * data_point;
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i = rt_device_read(device, 0, read_buffer, 1);
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if(i != 1)
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{
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rt_kprintf("read device :%s ", device->parent.name);
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rt_kprintf("the first sector failed.\r\n");
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goto __return;
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}
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data_point = write_buffer;
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for(i=0; i<geometry.bytes_per_sector; i++)
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{
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*data_point++ = (rt_uint8_t)i;
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}
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/* write first sector */
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sector_no = 0;
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data_point = write_buffer;
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*data_point++ = (rt_uint8_t)sector_no;
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i = rt_device_write(device, sector_no, write_buffer,1);
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if( i != 1 )
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{
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rt_kprintf("read the first sector success!\r\n");
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rt_kprintf("but write device :%s ", device->parent.name);
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rt_kprintf("the first sector failed.\r\n");
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rt_kprintf("maybe readonly!\r\n");
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goto __return;
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}
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/* write the second sector */
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sector_no = 1;
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data_point = write_buffer;
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*data_point++ = (rt_uint8_t)sector_no;
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i = rt_device_write(device,sector_no,write_buffer,1);
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if( i != 1 )
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{
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rt_kprintf("write device :%s ",device->parent.name);
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rt_kprintf("the second sector failed.\r\n");
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goto __return;
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}
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/* write the end sector */
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sector_no = geometry.sector_count-1;
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data_point = write_buffer;
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*data_point++ = (rt_uint8_t)sector_no;
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i = rt_device_write(device,sector_no,write_buffer,1);
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if( i != 1 )
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{
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rt_kprintf("write device :%s ",device->parent.name);
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rt_kprintf("the end sector failed.\r\n");
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goto __return;
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}
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/* verify first sector */
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sector_no = 0;
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i = rt_device_read(device,sector_no,read_buffer,1);
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if( i != 1 )
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{
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rt_kprintf("read device :%s ",device->parent.name);
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rt_kprintf("the first sector failed.\r\n");
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goto __return;
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}
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err_count = 0;
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data_point = read_buffer;
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if( (*data_point++) != (rt_uint8_t)sector_no)
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{
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err_count++;
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}
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for(i=1; i<geometry.bytes_per_sector; i++)
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{
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if( (*data_point++) != (rt_uint8_t)i )
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{
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err_count++;
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}
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}
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if( err_count > 0 )
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{
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rt_kprintf("verify device :%s ",device->parent.name);
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rt_kprintf("the first sector failed.\r\n");
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goto __return;
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}
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/* verify sector sector */
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sector_no = 1;
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i = rt_device_read(device,sector_no,read_buffer,1);
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if( i != 1 )
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{
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rt_kprintf("read device :%s ",device->parent.name);
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rt_kprintf("the second sector failed.\r\n");
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goto __return;
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}
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err_count = 0;
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data_point = read_buffer;
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if( (*data_point++) != (rt_uint8_t)sector_no)
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{
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err_count++;
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}
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for(i=1; i<geometry.bytes_per_sector; i++)
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{
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if( (*data_point++) != (rt_uint8_t)i )
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{
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err_count++;
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}
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}
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if( err_count > 0 )
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{
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rt_kprintf("verify device :%s ",device->parent.name);
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rt_kprintf("the second sector failed.\r\n");
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goto __return;
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}
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/* verify the end sector */
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sector_no = geometry.sector_count-1;
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i = rt_device_read(device,sector_no,read_buffer,1);
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if( i != 1 )
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{
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rt_kprintf("read device :%s ",device->parent.name);
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rt_kprintf("the end sector failed.\r\n");
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goto __return;
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}
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err_count = 0;
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data_point = read_buffer;
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if( (*data_point++) != (rt_uint8_t)sector_no)
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{
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err_count++;
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}
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for(i=1; i<geometry.bytes_per_sector; i++)
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{
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if( (*data_point++) != (rt_uint8_t)i )
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{
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err_count++;
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}
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}
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if( err_count > 0 )
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{
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rt_kprintf("verify device :%s ",device->parent.name);
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rt_kprintf("the end sector failed.\r\n");
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goto __return;
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}
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rt_kprintf("device R/W test pass!\r\n");
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} /* step 3: I/O R/W test */
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rt_kprintf("\r\nRT_TICK_PER_SECOND:%d\r\n", RT_TICK_PER_SECOND);
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// step 4: continuous single sector speed test
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{
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rt_uint32_t tick_start,tick_end;
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rt_uint32_t i;
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rt_kprintf("\r\ncontinuous single sector speed test:\r\n");
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if( geometry.sector_count < 10 )
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{
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rt_kprintf("device sector_count < 10, speed test abort!\r\n");
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}
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else
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{
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unsigned int sector;
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// sign sector write
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rt_kprintf("write: ");
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sector = 0;
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tick_start = rt_tick_get();
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for(i=0; i<200; i++)
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{
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sector += rt_device_write(device, i, read_buffer, 1);
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if((i != 0) && ((i%4) == 0) )
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{
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if(sector < 4)
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{
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rt_kprintf("#");
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}
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else
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{
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rt_kprintf("<");
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}
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sector = 0;
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}
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}
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tick_end = rt_tick_get();
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rt_kprintf("\r\nwrite 200 sector from %d to %d, ",tick_start,tick_end);
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calculate_speed_print( (geometry.bytes_per_sector*200UL*RT_TICK_PER_SECOND)/(tick_end-tick_start) );
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rt_kprintf("\r\n");
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// sign sector read
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rt_kprintf("read : ");
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sector = 0;
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tick_start = rt_tick_get();
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for(i=0; i<200; i++)
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{
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sector += rt_device_read(device, i, read_buffer, 1);
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if((i != 0) && ((i%4) == 0) )
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{
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if(sector < 4)
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{
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rt_kprintf("#");
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}
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else
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{
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rt_kprintf(">");
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}
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sector = 0;
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}
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}
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tick_end = rt_tick_get();
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rt_kprintf("\r\nread 200 sector from %d to %d, ",tick_start,tick_end);
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calculate_speed_print( (geometry.bytes_per_sector*200UL*RT_TICK_PER_SECOND)/(tick_end-tick_start) );
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rt_kprintf("\r\n");
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}
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}// step 4: speed test
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// step 5: random single sector speed test
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{
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rt_uint32_t tick_start,tick_end;
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rt_uint32_t i;
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rt_kprintf("\r\nrandom single sector speed test:\r\n");
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if( geometry.sector_count < 10 )
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{
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rt_kprintf("device sector_count < 10, speed test abort!\r\n");
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}
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else
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{
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unsigned int sector;
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// sign sector write
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rt_kprintf("write: ");
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sector = 0;
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tick_start = rt_tick_get();
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for(i=0; i<200; i++)
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{
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sector += rt_device_write(device, (geometry.sector_count / 10) * (i%10) + (i%10), read_buffer, 1);
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if((i != 0) && ((i%4) == 0) )
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{
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if(sector < 4)
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{
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rt_kprintf("#");
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}
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else
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{
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rt_kprintf("<");
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}
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sector = 0;
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}
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}
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tick_end = rt_tick_get();
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rt_kprintf("\r\nwrite 200 sector from %d to %d, ",tick_start,tick_end);
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calculate_speed_print( (geometry.bytes_per_sector*200UL*RT_TICK_PER_SECOND)/(tick_end-tick_start) );
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rt_kprintf("\r\n");
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// sign sector read
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rt_kprintf("read : ");
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sector = 0;
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tick_start = rt_tick_get();
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for(i=0; i<200; i++)
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{
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sector += rt_device_read(device, (geometry.sector_count / 10) * (i%10) + (i%10), read_buffer, 1);
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if((i != 0) && ((i%4) == 0) )
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{
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if(sector < 4)
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{
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rt_kprintf("#");
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}
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else
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{
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rt_kprintf(">");
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}
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sector = 0;
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}
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}
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tick_end = rt_tick_get();
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rt_kprintf("\r\nread 200 sector from %d to %d, ",tick_start,tick_end);
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calculate_speed_print( (geometry.bytes_per_sector*200UL*RT_TICK_PER_SECOND)/(tick_end-tick_start) );
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rt_kprintf("\r\n");
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}
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}// step 4: speed test
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/* step 6: multiple sector speed test */
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{
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rt_uint8_t * multiple_buffer;
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rt_uint8_t * ptr;
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rt_uint32_t tick_start,tick_end;
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rt_uint32_t sector,i;
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rt_kprintf("\r\nmultiple sector speed test\r\n");
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for(sector=2; sector<256; sector=sector*2)
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{
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multiple_buffer = rt_malloc(geometry.bytes_per_sector * sector);
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if(multiple_buffer == RT_NULL)
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{
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rt_kprintf("no memory for %d sector! multiple sector speed test abort!\r\n", sector);
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break;
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}
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rt_memset(multiple_buffer, sector, geometry.bytes_per_sector * sector);
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rt_kprintf("write: ");
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tick_start = rt_tick_get();
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for(i=0; i<10; i++)
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{
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rt_size_t n;
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n = rt_device_write(device, 50, multiple_buffer, sector);
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if(n == sector)
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{
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rt_kprintf("<");
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}
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else
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{
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rt_kprintf("#");
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}
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}
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tick_end = rt_tick_get();
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rt_kprintf("\r\n");
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rt_kprintf("multiple write %d sector speed : ", sector);
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calculate_speed_print( (geometry.bytes_per_sector * sector * 10 * RT_TICK_PER_SECOND)/(tick_end-tick_start) );
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rt_kprintf("\r\n");
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rt_memset(multiple_buffer, ~sector, geometry.bytes_per_sector * sector);
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rt_kprintf("read : ");
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tick_start = rt_tick_get();
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for(i=0; i<10; i++)
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{
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rt_size_t n;
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n = rt_device_read(device, 50, multiple_buffer, sector);
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if(n == sector)
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{
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rt_kprintf(">");
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}
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else
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{
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rt_kprintf("#");
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}
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}
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tick_end = rt_tick_get();
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rt_kprintf("\r\n");
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rt_kprintf("multiple read %d sector speed : ", sector);
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calculate_speed_print( (geometry.bytes_per_sector * sector * 10 * RT_TICK_PER_SECOND)/(tick_end-tick_start) );
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ptr = multiple_buffer;
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for(i=0; i<geometry.bytes_per_sector * sector; i++)
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{
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if(*ptr != sector)
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{
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rt_kprintf(" but data verify fail!");
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break;
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}
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ptr++;
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}
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rt_kprintf("\r\n\r\n");
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rt_free(multiple_buffer);
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}
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} /* step 5: multiple sector speed test */
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return RT_EOK;
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}// device can read and write.
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else
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{
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// device read only
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return RT_EOK;
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}// device read only
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__return:
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if( read_buffer != RT_NULL )
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{
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rt_free(read_buffer);
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}
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if( write_buffer != RT_NULL )
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{
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rt_free(write_buffer);
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}
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return RT_ERROR;
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}
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int device_test(const char * device_name)
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{
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rt_device_t device = RT_NULL;
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// step 1:find device
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device = rt_device_find(device_name);
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if( device == RT_NULL)
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{
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rt_kprintf("device %s: not found!\r\n");
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return RT_ERROR;
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}
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// step 2:init device
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if (!(device->flag & RT_DEVICE_FLAG_ACTIVATED))
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{
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rt_err_t result;
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result = rt_device_init(device);
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if (result != RT_EOK)
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{
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rt_kprintf("To initialize device:%s failed. The error code is %d\r\n",
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device->parent.name, result);
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return result;
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}
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else
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{
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device->flag |= RT_DEVICE_FLAG_ACTIVATED;
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}
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}
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// step 3: device test
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switch( device->type )
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{
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case RT_Device_Class_Block :
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rt_kprintf("block device!\r\n");
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return _block_device_test(device);
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default:
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rt_kprintf("unkown device type : %02X",device->type);
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return RT_ERROR;
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}
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}
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#ifdef RT_USING_FINSH
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#include <finsh.h>
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FINSH_FUNCTION_EXPORT(device_test, e.g: device_test("sd0"));
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#endif
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