initial software commit
This commit is contained in:
feda
709
Src/File_Handling.c
Normal file
709
Src/File_Handling.c
Normal file
@ -0,0 +1,709 @@
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/*
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* File_Handling_RTOS.c
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*
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* Created on: 14-May-2020
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* Author: Controllerstech
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*/
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#include <File_Handling.h>
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#include "stm32f7xx_hal.h"
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#define UART USART1
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/* =============================>>>>>>>> NO CHANGES AFTER THIS LINE =====================================>>>>>>> */
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FATFS fs; // file system
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FIL fil; // File
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FILINFO fno;
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extern FRESULT fresult; // result
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extern unsigned long sizeoffile;
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UINT br, bw; // File read/write count
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/**** capacity related *****/
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FATFS *pfs;
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DWORD fre_clust;
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uint32_t total, free_space;
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void Send_Uart (char *string)
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{
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//HAL_UART_Transmit(UART, (uint8_t *)string, strlen (string), HAL_MAX_DELAY);
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}
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int Mount_SD (const TCHAR* path)
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{
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fresult = f_mount(&fs, path, 1);
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if (fresult != FR_OK) return 1;
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else return 0;
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}
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int Unmount_SD (const TCHAR* path)
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{
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fresult = f_mount(NULL, path, 1);
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if (fresult == FR_OK) return 0;//Send_Uart ("SD CARD UNMOUNTED successfully...\n\n\n");
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return 1;//else Send_Uart("ERROR!!! in UNMOUNTING SD CARD\n\n\n");
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}
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/* Start node to be scanned (***also used as work area***) */
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FRESULT Scan_SD (char* pat)
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{
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DIR dir;
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UINT i;
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char *path = malloc(20*sizeof (char));
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sprintf (path, "%s",pat);
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fresult = f_opendir(&dir, path); /* Open the directory */
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if (fresult == FR_OK)
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{
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for (;;)
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{
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fresult = f_readdir(&dir, &fno); /* Read a directory item */
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if (fresult != FR_OK || fno.fname[0] == 0) break; /* Break on error or end of dir */
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if (fno.fattrib & AM_DIR) /* It is a directory */
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{
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if (!(strcmp ("SYSTEM~1", fno.fname))) continue;
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char *buf = malloc(30*sizeof(char));
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sprintf (buf, "Dir: %s\r\n", fno.fname);
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Send_Uart(buf);
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free(buf);
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i = strlen(path);
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sprintf(&path[i], "/%s", fno.fname);
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fresult = Scan_SD(path); /* Enter the directory */
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if (fresult != FR_OK) break;
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path[i] = 0;
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}
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else
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{ /* It is a file. */
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char *buf = malloc(30*sizeof(char));
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sprintf(buf,"File: %s/%s\n", path, fno.fname);
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Send_Uart(buf);
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free(buf);
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}
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}
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f_closedir(&dir);
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}
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free(path);
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return fresult;
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}
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/* Only supports removing files from home directory */
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FRESULT Format_SD (void)
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{
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DIR dir;
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char *path = malloc(20*sizeof (char));
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sprintf (path, "%s","/");
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fresult = f_opendir(&dir, path); /* Open the directory */
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if (fresult == FR_OK)
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{
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for (;;)
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{
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fresult = f_readdir(&dir, &fno); /* Read a directory item */
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if (fresult != FR_OK || fno.fname[0] == 0) break; /* Break on error or end of dir */
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if (fno.fattrib & AM_DIR) /* It is a directory */
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{
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if (!(strcmp ("SYSTEM~1", fno.fname))) continue;
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fresult = f_unlink(fno.fname);
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if (fresult == FR_DENIED) continue;
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}
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else
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{ /* It is a file. */
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fresult = f_unlink(fno.fname);
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}
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}
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f_closedir(&dir);
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}
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free(path);
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return fresult;
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}
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FRESULT Write_File (char *name, char *data)
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{
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/**** check whether the file exists or not ****/
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fresult = f_stat (name, &fno);
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if (fresult != FR_OK)
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{
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char *buf = malloc(100*sizeof(char));
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//sprintf (buf, "ERROR!!! *%s* does not exists\n\n", name);
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//Send_Uart (buf);
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free(buf);
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return fresult;
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}
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else
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{
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/* Create a file with read write access and open it */
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fresult = f_open(&fil, name, FA_OPEN_EXISTING | FA_WRITE);
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if (fresult != FR_OK)
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{
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char *buf = malloc(100*sizeof(char));
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//sprintf (buf, "ERROR!!! No. %d in opening file *%s*\n\n", fresult, name);
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//Send_Uart(buf);
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free(buf);
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return fresult;
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}
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else
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{
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fresult = f_write(&fil, data, strlen(data), &bw);
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if (fresult != FR_OK)
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{
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char *buf = malloc(100*sizeof(char));
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//sprintf (buf, "ERROR!!! No. %d while writing to the FILE *%s*\n\n", fresult, name);
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//Send_Uart(buf);
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free(buf);
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}
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/* Close file */
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fresult = f_close(&fil);
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if (fresult != FR_OK)
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{
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char *buf = malloc(100*sizeof(char));
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//sprintf (buf, "ERROR!!! No. %d in closing file *%s* after writing it\n\n", fresult, name);
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//Send_Uart(buf);
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free(buf);
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}
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else
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{
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char *buf = malloc(100*sizeof(char));
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//sprintf (buf, "File *%s* is WRITTEN and CLOSED successfully\n", name);
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//Send_Uart(buf);
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free(buf);
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}
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}
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return fresult;
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}
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}
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FRESULT Write_File_byte (char *name, uint8_t *data, unsigned int bytesize)
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{
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/**** check whether the file exists or not ****/
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fresult = f_stat (name, &fno);
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if (fresult != FR_OK)
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{
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char *buf = malloc(100*sizeof(char));
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//sprintf (buf, "ERROR!!! *%s* does not exists\n\n", name);
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//Send_Uart (buf);
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free(buf);
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return fresult;
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}
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else
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{
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/* Create a file with read write access and open it */
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fresult = f_open(&fil, name, FA_OPEN_EXISTING | FA_WRITE);
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if (fresult != FR_OK)
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{
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char *buf = malloc(100*sizeof(char));
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//sprintf (buf, "ERROR!!! No. %d in opening file *%s*\n\n", fresult, name);
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//Send_Uart(buf);
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free(buf);
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return fresult;
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}
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else
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{
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fresult = f_write(&fil, data, bytesize, &bw);
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if (fresult != FR_OK)
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{
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char *buf = malloc(100*sizeof(char));
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//sprintf (buf, "ERROR!!! No. %d while writing to the FILE *%s*\n\n", fresult, name);
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//Send_Uart(buf);
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free(buf);
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}
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/* Close file */
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fresult = f_close(&fil);
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if (fresult != FR_OK)
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{
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char *buf = malloc(100*sizeof(char));
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//sprintf (buf, "ERROR!!! No. %d in closing file *%s* after writing it\n\n", fresult, name);
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//Send_Uart(buf);
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free(buf);
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}
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else
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{
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char *buf = malloc(100*sizeof(char));
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//sprintf (buf, "File *%s* is WRITTEN and CLOSED successfully\n", name);
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//Send_Uart(buf);
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free(buf);
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}
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}
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return fresult;
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}
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}
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FRESULT Read_File (char *name)
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{
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/**** check whether the file exists or not ****/
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fresult = f_stat (name, &fno);
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if (fresult != FR_OK)
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{
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char *buf = malloc(100*sizeof(char));
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sprintf (buf, "ERRROR!!! *%s* does not exists\n\n", name);
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Send_Uart (buf);
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free(buf);
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return fresult;
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}
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else
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{
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/* Open file to read */
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fresult = f_open(&fil, name, FA_READ);
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if (fresult != FR_OK)
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{
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char *buf = malloc(100*sizeof(char));
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sprintf (buf, "ERROR!!! No. %d in opening file *%s*\n\n", fresult, name);
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Send_Uart(buf);
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free(buf);
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return fresult;
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}
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/* Read data from the file
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* see the function details for the arguments */
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char *buffer = malloc(sizeof(f_size(&fil)));
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fresult = f_read (&fil, buffer, f_size(&fil), &br);
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if (fresult != FR_OK)
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{
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char *buf = malloc(100*sizeof(char));
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free(buffer);
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sprintf (buf, "ERROR!!! No. %d in reading file *%s*\n\n", fresult, name);
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Send_Uart(buffer);
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free(buf);
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}
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else
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{
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Send_Uart(buffer);
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free(buffer);
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/* Close file */
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fresult = f_close(&fil);
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if (fresult != FR_OK)
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{
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char *buf = malloc(100*sizeof(char));
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sprintf (buf, "ERROR!!! No. %d in closing file *%s*\n\n", fresult, name);
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Send_Uart(buf);
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free(buf);
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}
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else
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{
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char *buf = malloc(100*sizeof(char));
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sprintf (buf, "File *%s* CLOSED successfully\n", name);
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Send_Uart(buf);
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free(buf);
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}
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}
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return fresult;
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}
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}
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FRESULT Seek_Read_File (char *name, uint8_t *data, unsigned int bytesize, unsigned long goto_label)
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{
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/**** check whether the file exists or not ****/
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fresult = f_stat (name, &fno);
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if (fresult != FR_OK)
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{
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char *buf = malloc(100*sizeof(char));
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sprintf (buf, "ERRROR!!! *%s* does not exists\n\n", name);
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//Send_Uart (buf);
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free(buf);
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return fresult;
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}
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else
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{
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/* Open file to read */
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fresult = f_open(&fil, name, FA_READ);
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if (fresult != FR_OK)
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{
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char *buf = malloc(100*sizeof(char));
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sprintf (buf, "ERROR!!! No. %d in opening file *%s*\n\n", fresult, name);
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//Send_Uart(buf);
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free(buf);
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return fresult;
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}
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/* Read data from the file
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* see the function details for the arguments */
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//char *buffer = malloc(sizeof(f_size(&fil)));
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fresult = f_lseek (&fil, goto_label); /* Move file pointer of the file object */
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if (fresult != FR_OK)
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{
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char *buf = malloc(100*sizeof(char));
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//free(buffer);
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sprintf (buf, "ERROR!!! Can't seek the file: *%s*\n\n", name);
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//Send_Uart(buffer);
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free(buf);
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return fresult;
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}
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fresult = f_read (&fil, data, bytesize, &br);
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if (fresult != FR_OK)
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{
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char *buf = malloc(100*sizeof(char));
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//free(buffer);
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sprintf (buf, "ERROR!!! No. %d in reading file *%s*\n\n", fresult, name);
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//Send_Uart(buffer);
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free(buf);
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}
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else
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{
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//Send_Uart(buffer);
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//free(buffer);
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if (goto_label==0)//Set size of file in first 4 bytes
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{
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sizeoffile = f_size(&fil);
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data[0] = (uint8_t) (sizeoffile&0xff);
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data[1] = (uint8_t) ((sizeoffile>>8)&0xff);
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data[2] = (uint8_t) ((sizeoffile>>16)&0xff);
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data[3] = (uint8_t) ((sizeoffile>>24)&0xff);
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}
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/* Close file */
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fresult = f_close(&fil);
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if (fresult != FR_OK)
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{
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char *buf = malloc(100*sizeof(char));
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sprintf (buf, "ERROR!!! No. %d in closing file *%s*\n\n", fresult, name);
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//Send_Uart(buf);
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free(buf);
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}
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else
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{
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char *buf = malloc(100*sizeof(char));
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sprintf (buf, "File *%s* CLOSED successfully\n", name);
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//Send_Uart(buf);
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free(buf);
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}
|
||||
}
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return fresult;
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}
|
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}
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FRESULT Create_File (char *name)
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{
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fresult = f_stat (name, &fno);
|
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if (fresult == FR_OK)
|
||||
{
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char *buf = malloc(100*sizeof(char));
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//sprintf (buf, "ERROR!!! *%s* already exists!!!!\n use Update_File \n\n",name);
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//Send_Uart(buf);
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free(buf);
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return fresult;
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}
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else
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||||
{
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fresult = f_open(&fil, name, FA_CREATE_ALWAYS|FA_READ|FA_WRITE);
|
||||
if (fresult != FR_OK)
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||||
{
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char *buf = malloc(100*sizeof(char));
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//sprintf (buf, "ERROR!!! No. %d in creating file *%s*\n\n", fresult, name);
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//Send_Uart(buf);
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free(buf);
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||||
return fresult;
|
||||
}
|
||||
else
|
||||
{
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||||
char *buf = malloc(100*sizeof(char));
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//sprintf (buf, "*%s* created successfully\n Now use Write_File to write data\n",name);
|
||||
//Send_Uart(buf);
|
||||
free(buf);
|
||||
}
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||||
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fresult = f_close(&fil);
|
||||
if (fresult != FR_OK)
|
||||
{
|
||||
char *buf = malloc(100*sizeof(char));
|
||||
//sprintf (buf, "ERROR No. %d in closing file *%s*\n\n", fresult, name);
|
||||
//Send_Uart(buf);
|
||||
free(buf);
|
||||
}
|
||||
else
|
||||
{
|
||||
char *buf = malloc(100*sizeof(char));
|
||||
//sprintf (buf, "File *%s* CLOSED successfully\n", name);
|
||||
//Send_Uart(buf);
|
||||
free(buf);
|
||||
}
|
||||
}
|
||||
return fresult;
|
||||
}
|
||||
|
||||
FRESULT Update_File (char *name, char *data)
|
||||
{
|
||||
/**** check whether the file exists or not ****/
|
||||
fresult = f_stat (name, &fno);
|
||||
if (fresult != FR_OK)
|
||||
{
|
||||
char *buf = malloc(100*sizeof(char));
|
||||
//sprintf (buf, "ERROR!!! *%s* does not exists\n\n", name);
|
||||
//Send_Uart (buf);
|
||||
free(buf);
|
||||
return fresult;
|
||||
}
|
||||
|
||||
else
|
||||
{
|
||||
/* Create a file with read write access and open it */
|
||||
fresult = f_open(&fil, name, FA_OPEN_APPEND | FA_WRITE);
|
||||
if (fresult != FR_OK)
|
||||
{
|
||||
char *buf = malloc(100*sizeof(char));
|
||||
//sprintf (buf, "ERROR!!! No. %d in opening file *%s*\n\n", fresult, name);
|
||||
//Send_Uart(buf);
|
||||
free(buf);
|
||||
return fresult;
|
||||
}
|
||||
|
||||
/* Writing text */
|
||||
fresult = f_write(&fil, data, strlen (data), &bw);
|
||||
if (fresult != FR_OK)
|
||||
{
|
||||
char *buf = malloc(100*sizeof(char));
|
||||
//sprintf (buf, "ERROR!!! No. %d in writing file *%s*\n\n", fresult, name);
|
||||
//Send_Uart(buf);
|
||||
free(buf);
|
||||
}
|
||||
|
||||
else
|
||||
{
|
||||
char *buf = malloc(100*sizeof(char));
|
||||
//sprintf (buf, "*%s* UPDATED successfully\n", name);
|
||||
//Send_Uart(buf);
|
||||
free(buf);
|
||||
}
|
||||
|
||||
/* Close file */
|
||||
fresult = f_close(&fil);
|
||||
if (fresult != FR_OK)
|
||||
{
|
||||
char *buf = malloc(100*sizeof(char));
|
||||
//sprintf (buf, "ERROR!!! No. %d in closing file *%s*\n\n", fresult, name);
|
||||
//Send_Uart(buf);
|
||||
free(buf);
|
||||
}
|
||||
else
|
||||
{
|
||||
char *buf = malloc(100*sizeof(char));
|
||||
//sprintf (buf, "File *%s* CLOSED successfully\n", name);
|
||||
//Send_Uart(buf);
|
||||
free(buf);
|
||||
}
|
||||
}
|
||||
return fresult;
|
||||
}
|
||||
|
||||
FRESULT Remove_File (char *name)
|
||||
{
|
||||
/**** check whether the file exists or not ****/
|
||||
fresult = f_stat (name, &fno);
|
||||
if (fresult != FR_OK)
|
||||
{
|
||||
char *buf = malloc(100*sizeof(char));
|
||||
sprintf (buf, "ERROR!!! *%s* does not exists\n\n", name);
|
||||
Send_Uart (buf);
|
||||
free(buf);
|
||||
return fresult;
|
||||
}
|
||||
|
||||
else
|
||||
{
|
||||
fresult = f_unlink (name);
|
||||
if (fresult == FR_OK)
|
||||
{
|
||||
char *buf = malloc(100*sizeof(char));
|
||||
sprintf (buf, "*%s* has been removed successfully\n", name);
|
||||
Send_Uart (buf);
|
||||
free(buf);
|
||||
}
|
||||
|
||||
else
|
||||
{
|
||||
char *buf = malloc(100*sizeof(char));
|
||||
sprintf (buf, "ERROR No. %d in removing *%s*\n\n",fresult, name);
|
||||
Send_Uart (buf);
|
||||
free(buf);
|
||||
}
|
||||
}
|
||||
return fresult;
|
||||
}
|
||||
|
||||
FRESULT Create_Dir (char *name)
|
||||
{
|
||||
fresult = f_mkdir(name);
|
||||
if (fresult == FR_OK)
|
||||
{
|
||||
char *buf = malloc(100*sizeof(char));
|
||||
sprintf (buf, "*%s* has been created successfully\n", name);
|
||||
Send_Uart (buf);
|
||||
free(buf);
|
||||
}
|
||||
else
|
||||
{
|
||||
char *buf = malloc(100*sizeof(char));
|
||||
sprintf (buf, "ERROR No. %d in creating directory *%s*\n\n", fresult,name);
|
||||
Send_Uart(buf);
|
||||
free(buf);
|
||||
}
|
||||
return fresult;
|
||||
}
|
||||
|
||||
void Check_SD_Space (void)
|
||||
{
|
||||
/* Check free space */
|
||||
f_getfree("", &fre_clust, &pfs);
|
||||
|
||||
total = (uint32_t)((pfs->n_fatent - 2) * pfs->csize * 0.5);
|
||||
char *buf = malloc(30*sizeof(char));
|
||||
sprintf (buf, "SD CARD Total Size: \t%lu\n",total);
|
||||
Send_Uart(buf);
|
||||
free(buf);
|
||||
free_space = (uint32_t)(fre_clust * pfs->csize * 0.5);
|
||||
buf = malloc(30*sizeof(char));
|
||||
sprintf (buf, "SD CARD Free Space: \t%lu\n",free_space);
|
||||
Send_Uart(buf);
|
||||
free(buf);
|
||||
}
|
||||
|
||||
FRESULT Update_File_float (char *name, float *data, unsigned int bytesize)
|
||||
{
|
||||
/**** check whether the file exists or not ****/
|
||||
fresult = f_stat (name, &fno);
|
||||
if (fresult != FR_OK)
|
||||
{
|
||||
char *buf = malloc(100*sizeof(char));
|
||||
//sprintf (buf, "ERROR!!! *%s* does not exists\n\n", name);
|
||||
//Send_Uart (buf);
|
||||
free(buf);
|
||||
return fresult;
|
||||
}
|
||||
|
||||
else
|
||||
{
|
||||
/* Create a file with read write access and open it */
|
||||
fresult = f_open(&fil, name, FA_OPEN_APPEND | FA_WRITE);
|
||||
if (fresult != FR_OK)
|
||||
{
|
||||
char *buf = malloc(100*sizeof(char));
|
||||
//sprintf (buf, "ERROR!!! No. %d in opening file *%s*\n\n", fresult, name);
|
||||
//Send_Uart(buf);
|
||||
free(buf);
|
||||
return fresult;
|
||||
}
|
||||
|
||||
/* Writing text */
|
||||
fresult = f_write(&fil, data, bytesize, &bw);
|
||||
if (fresult != FR_OK)
|
||||
{
|
||||
char *buf = malloc(100*sizeof(char));
|
||||
//sprintf (buf, "ERROR!!! No. %d in writing file *%s*\n\n", fresult, name);
|
||||
//Send_Uart(buf);
|
||||
free(buf);
|
||||
}
|
||||
|
||||
else
|
||||
{
|
||||
char *buf = malloc(100*sizeof(char));
|
||||
//sprintf (buf, "*%s* UPDATED successfully\n", name);
|
||||
//Send_Uart(buf);
|
||||
free(buf);
|
||||
}
|
||||
|
||||
/* Close file */
|
||||
fresult = f_close(&fil);
|
||||
if (fresult != FR_OK)
|
||||
{
|
||||
char *buf = malloc(100*sizeof(char));
|
||||
//sprintf (buf, "ERROR!!! No. %d in closing file *%s*\n\n", fresult, name);
|
||||
//Send_Uart(buf);
|
||||
free(buf);
|
||||
}
|
||||
else
|
||||
{
|
||||
char *buf = malloc(100*sizeof(char));
|
||||
//sprintf (buf, "File *%s* CLOSED successfully\n", name);
|
||||
//Send_Uart(buf);
|
||||
free(buf);
|
||||
}
|
||||
}
|
||||
return fresult;
|
||||
}
|
||||
|
||||
FRESULT Update_File_byte (char *name, uint8_t *data, unsigned int bytesize)
|
||||
{
|
||||
/**** check whether the file exists or not ****/
|
||||
fresult = f_stat (name, &fno);
|
||||
if (fresult != FR_OK)
|
||||
{
|
||||
char *buf = malloc(100*sizeof(char));
|
||||
//sprintf (buf, "ERROR!!! *%s* does not exists\n\n", name);
|
||||
//Send_Uart (buf);
|
||||
free(buf);
|
||||
return fresult;
|
||||
}
|
||||
|
||||
else
|
||||
{
|
||||
/* Create a file with read write access and open it */
|
||||
fresult = f_open(&fil, name, FA_OPEN_APPEND | FA_WRITE);
|
||||
if (fresult != FR_OK)
|
||||
{
|
||||
char *buf = malloc(100*sizeof(char));
|
||||
//sprintf (buf, "ERROR!!! No. %d in opening file *%s*\n\n", fresult, name);
|
||||
//Send_Uart(buf);
|
||||
free(buf);
|
||||
return fresult;
|
||||
}
|
||||
|
||||
/* Writing text */
|
||||
fresult = f_write(&fil, data, bytesize, &bw);
|
||||
if (fresult != FR_OK)
|
||||
{
|
||||
char *buf = malloc(100*sizeof(char));
|
||||
//sprintf (buf, "ERROR!!! No. %d in writing file *%s*\n\n", fresult, name);
|
||||
//Send_Uart(buf);
|
||||
free(buf);
|
||||
}
|
||||
|
||||
else
|
||||
{
|
||||
char *buf = malloc(100*sizeof(char));
|
||||
//sprintf (buf, "*%s* UPDATED successfully\n", name);
|
||||
//Send_Uart(buf);
|
||||
free(buf);
|
||||
}
|
||||
|
||||
/* Close file */
|
||||
fresult = f_close(&fil);
|
||||
if (fresult != FR_OK)
|
||||
{
|
||||
char *buf = malloc(100*sizeof(char));
|
||||
//sprintf (buf, "ERROR!!! No. %d in closing file *%s*\n\n", fresult, name);
|
||||
//Send_Uart(buf);
|
||||
free(buf);
|
||||
}
|
||||
else
|
||||
{
|
||||
char *buf = malloc(100*sizeof(char));
|
||||
//sprintf (buf, "File *%s* CLOSED successfully\n", name);
|
||||
//Send_Uart(buf);
|
||||
free(buf);
|
||||
}
|
||||
}
|
||||
return fresult;
|
||||
}
|
||||
Reference in New Issue
Block a user