302 lines
9.6 KiB
C
302 lines
9.6 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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*/
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#include <rtthread.h>
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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 = device->open(device,RT_DEVICE_FLAG_RDWR);
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if( result == RT_EOK )
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{
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device->open_flag |= RT_DEVICE_OFLAG_RDWR | RT_DEVICE_OFLAG_OPEN;
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}
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else
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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, RT_DEVICE_CTRL_BLK_GETGEOME, &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: I/O 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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// the 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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for(i=1; 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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i = 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 first sector failed.\r\n");
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goto __return;
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}
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i = 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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// 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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for(i=1; 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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i = 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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i = 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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// 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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for(i=1; 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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i = 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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i = 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 I/O R/W test pass!\r\n");
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}//step 3: I/O R/W test
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// step 4: 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\n");
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rt_kprintf("device I/O speed test.\r\n");
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rt_kprintf("RT_TICK_PER_SECOND:%d\r\n",RT_TICK_PER_SECOND);
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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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// sign sector read
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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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device->read(device,i%10,read_buffer,1);
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}
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tick_end = rt_tick_get();
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rt_kprintf("read 200 sector from %d to %d,",tick_start,tick_end);
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rt_kprintf("%d byte/s\r\n",(geometry.bytes_per_sector*200UL*RT_TICK_PER_SECOND)/(tick_end-tick_start) );
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// sign sector write
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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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device->write(device,i%10,read_buffer,1);
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}
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tick_end = rt_tick_get();
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rt_kprintf("write 200 sector from %d to %d,",tick_start,tick_end);
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rt_kprintf("%d byte/s\r\n",(geometry.bytes_per_sector*200UL*RT_TICK_PER_SECOND)/(tick_end-tick_start) );
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}
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}// step 4: 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 = 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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