40 lines
1.0 KiB
C
40 lines
1.0 KiB
C
#include "usr_file.h"
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#include "usr_drv_uart.h"
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#include "ff.h"
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#include "string.h"
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FATFS g_usr_fs; // 逻辑磁盘工作区
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int8_t usr_file_init(void)
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{
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FRESULT res;
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DIR dir_init;
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/* 挂载文件，文件系统挂载时会SPI设备初始化 */
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res = f_mount(&g_usr_fs, USR_DISK_PATH, 1);
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if (res == FR_NO_FILESYSTEM) {
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res = f_mkfs(USR_DISK_PATH, 0, 0, FF_MAX_SS);
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if (res == FR_OK) {
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/* 格式化后，先取消挂载 */
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res = f_mount(NULL, USR_DISK_PATH, 1);
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/* 重新挂载 */
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res = f_mount(&g_usr_fs, USR_DISK_PATH, 1);
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}
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} else if (res == FR_OK) {
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}
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res = f_opendir(&dir_init, "ZTT");
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/* 增加2s的延迟 */
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OSTimeDly(2000);
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if (res == FR_NO_PATH) {
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res = f_mkdir("ZTT");
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if (res == FR_OK) {
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usr_drv_printf((uint8_t *)"ZTT create path success!!\n", strlen("ZTT create path success!!\n"));
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} else {
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usr_drv_printf((uint8_t *)"ZTT create path err!!\n", strlen("ZTT create path err!!\n"));
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}
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}
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return 0;
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}
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