166 lines
3.4 KiB
C
166 lines
3.4 KiB
C
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#include "wm_include.h"
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#include "wm_gpio_afsel.h"
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#include "ff.h"
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#include "wm_demo.h"
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#if DEMO_FATFS
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#define TEST_DEBUG_EN 1
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#if TEST_DEBUG_EN
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#define TEST_DEBUG(fmt, ...) printf("%s: "fmt, __func__, ##__VA_ARGS__)
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#else
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#define TEST_DEBUG(fmt, ...)
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#endif
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#define FATFS_TASK_SIZE 1024
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#define FATFS_TASK_PRIO 1
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static OS_STK FatfsTaskStk[FATFS_TASK_SIZE];
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static int console_cmd = 0;
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//FAT功能测试：格式化测试，文件写入测试，文件读取测试（基本功能）
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int fatfs_func(void)
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{
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FATFS fs; //FatFs文件系统对象
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FIL fnew; //文件对象
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FRESULT res_sd;//文件操作结果
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UINT fnum; //文件成功读写数量
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BYTE ReadBuffer[256] = {0};
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BYTE work[FF_MAX_SS];
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BYTE WriteBuffer[] = "成功移植了FatFs文件系统！\r\n"; //写缓存区
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wm_sdio_host_config(0);
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//挂载SD卡
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res_sd = f_mount(&fs, "0:", 1);
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//***********************格式化测试****************************
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if(res_sd == FR_NO_FILESYSTEM)
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{
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while(1)
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{
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TEST_DEBUG("SD卡没有文件系统，即将进行格式化...\r\n");
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//格式化
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res_sd = f_mkfs("0:", 0, work, sizeof(work));
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if(res_sd == FR_OK)
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{
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TEST_DEBUG("SD卡成功格式化！\r\n");
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//格式化后先取消挂载
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res_sd = f_mount(NULL, "0:", 1);
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//再重新挂载
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res_sd = f_mount(&fs, "0:", 1);
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break;
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}
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else
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{
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TEST_DEBUG("文件格式化失败！错误代码：%d; will try again...\r\n",res_sd);
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}
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}
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}
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else if(res_sd != FR_OK)
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{
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TEST_DEBUG("挂载文件系统失败！可能是因为文件初始化失败！错误代码：%d\r\n", res_sd);
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}
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else
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{
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TEST_DEBUG("文件系统挂载成功， 可进行读写测试！\r\n");
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}
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//***********************写测试****************************
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//打开文件，如果文件不存在则创建它
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TEST_DEBUG("即将进行文件写入测试....\r\n");
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//打开文件，若不存在就创建
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res_sd = f_open(&fnew, "0:FatFs读写测试文件.txt", FA_CREATE_ALWAYS | FA_WRITE);
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//文件打开成功
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if(res_sd == FR_OK)
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{
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TEST_DEBUG("打开文件成功！开始写入数据！\r\n");
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res_sd= f_write(&fnew, WriteBuffer, sizeof(WriteBuffer), &fnum);
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if(res_sd == FR_OK)
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{
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TEST_DEBUG("数据写入成功，共写入%d个字符！\r\n", fnum);
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TEST_DEBUG("数据：%s", WriteBuffer);
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}
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else
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{
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TEST_DEBUG("数据写入失败！\r\n");
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}
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//关闭文件
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f_close(&fnew);
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}
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//***********************读测试****************************
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//打开文件，如果文件不存在则创建它
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TEST_DEBUG("即将进行文件读取测试....\r\n");
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//打开文件，若不存在就创建
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res_sd = f_open(&fnew, "0:FatFs读写测试文件.txt", FA_OPEN_EXISTING | FA_READ);
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//文件打开成功
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if(res_sd == FR_OK)
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{
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TEST_DEBUG("打开文件成功！开始读取数据！\r\n");
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res_sd= f_read(&fnew, ReadBuffer, sizeof(ReadBuffer), &fnum);
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if(res_sd == FR_OK)
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{
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TEST_DEBUG("数据读取成功！\r\n");
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TEST_DEBUG("数据：%s\r\n", ReadBuffer);
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}
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else
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{
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TEST_DEBUG("数据读取失败！\r\n");
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}
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//关闭文件
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f_close(&fnew);
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}
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//取消挂载文件系统
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f_mount(NULL, "0:", 1);
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return 0;
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}
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static void fatfs_task(void)
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{
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while(1)
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{
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if( console_cmd==1 )
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{
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fatfs_func();
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console_cmd = 0;
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}
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tls_os_time_delay(HZ);
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}
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}
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int fatfs_test(void)
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{
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static int flag = 0;
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console_cmd = 1;
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if( flag == 0 )
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{
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flag = 1;
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tls_os_task_create(NULL, NULL,
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( void (*))fatfs_task,
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NULL,
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(void *)FatfsTaskStk, /* task's stack start address */
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FATFS_TASK_SIZE * sizeof(u32), /* task's stack size, unit:byte */
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FATFS_TASK_PRIO,
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0);
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}
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return 0;
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}
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#endif
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