bool sdApaga(char *nome) {
SDSPI_Handle sdspiHandle;
SDSPI_Params sdspiParams;
char arquivo[20] = "fat:"STR(SD_DRIVE_NUM)":";
strcat(arquivo, nome);
strcat(arquivo, ".txt");
/* Mount and register the SD Card */
SDSPI_Params_init(&sdspiParams);
sdspiHandle = SDSPI_open(Board_SDSPI0, SD_DRIVE_NUM, &sdspiParams);
if (sdspiHandle == NULL) {
printf("Erro ao iniciar o SD card!\n");
return false;
}
if (remove(arquivo) != 0) {
printf("Nao foi possivel apagar o arquivo!\n");
Task_sleep(10);
SDSPI_close(sdspiHandle);
return false;
} else {
printf("\t\tArquivo apagado!\n");
}
SDSPI_close(sdspiHandle);
return true;
}
void sdEscreve(char *conteudo, int tamanho) {
SDSPI_Handle sdspiHandle;
SDSPI_Params sdspiParams;
FILE *src;
const char outputfile[] = "fat:"STR(SD_DRIVE_NUM)":input.txt";
/* Mount and register the SD Card */
SDSPI_Params_init(&sdspiParams);
sdspiHandle = SDSPI_open(Board_SDSPI0, SD_DRIVE_NUM, &sdspiParams);
if (sdspiHandle == NULL) {
printf("Erro ao iniciar o SD card!\n");
return;
}
// else {
// printf("Drive %u montado!\n", SD_DRIVE_NUM);
// }
/* Tenta abrir o arquivo */
src = fopen(outputfile, "ab");
if (!src) {
printf("Nao foi possivel criar o arquivo!\n");
Task_sleep(1);
SDSPI_close(sdspiHandle);
return;
} else {
printf("Arquivo criado!\n\n");
/* escreve do arquivo */
fputs(conteudo, src);
//fflush(src);
fclose(src);
}
SDSPI_close(sdspiHandle);
}
void sdLe() {
SDSPI_Handle sdspiHandle;
SDSPI_Params sdspiParams;
FILE *src;
// unsigned int bytesRead = 0;
const char inputfile[] = "fat:"STR(SD_DRIVE_NUM)":input.txt";
char read_buff[BUFF_SIZE + 1];
/* Mount and register the SD Card */
SDSPI_Params_init(&sdspiParams);
sdspiHandle = SDSPI_open(Board_SDSPI0, SD_DRIVE_NUM, &sdspiParams);
if (sdspiHandle == NULL) {
printf("Erro ao iniciar o SD card!\n");
return;
}
// else {
// printf("Drive %u montado!\n", SD_DRIVE_NUM);
// }
/* Tenta abrir o arquivo */
src = fopen(inputfile, "rb");
if (!src) {
printf("Nao foi possivel abrir o arquivo!\n");
Task_sleep(1);
SDSPI_close(sdspiHandle);
return;
} else {
printf("\t\tArquivo aberto!\n");
while (true) {
/* Le blocos do arquivo arquivo */
//bytesRead = fread(read_buff,sizeof(char), sizeof(read_buff), src);
//TODO: Está lendo duas vezes a última linha!
if (!feof(src)) {
fgets(read_buff, sizeof(read_buff), src); //le linhas do arquivo
printf("%s", read_buff);
fflush(stdout);
} else {
printf("\t\tFim do arquivo\n");
break;
}
// if (bytesRead == 0) {
// printf("\t\tFim do arquivo\n");
// break; /* Error or EOF */
// }
}
fclose(src);
}
SDSPI_close(sdspiHandle);
}
/*
* ======== taskFxn ========
* Task to perform a file copy
*
* Task tries to open an existing file inputfile[]. If the file doesn't
* exist, create one and write some known content into it.
* The contents of the inputfile[] are then copied to an output file
* outputfile[]. Once completed, the contents of the output file are
* printed onto the system console (stdout).
*
* Task for this function is created statically. See the project's .cfg file.
*/
Void taskFxn(UArg arg0, UArg arg1)
{
FRESULT fresult;
SDSPI_Handle sdspiHandle;
SDSPI_Params sdspiParams;
/* Variables to keep track of the file copy progress */
unsigned int bytesRead = 0;
unsigned int bytesWritten = 0;
unsigned int filesize;
unsigned int totalBytesCopied = 0;
/* Mount and register the SD Card */
SDSPI_Params_init(&sdspiParams);
sdspiHandle = SDSPI_open(Board_SDSPI0, DRIVE_NUM, &sdspiParams);
if (sdspiHandle == NULL) {
System_abort("Error starting the SD card\n");
}
else {
System_printf("Drive %u is mounted\n", DRIVE_NUM);
}
printDrive(STR(DRIVE_NUM), &(dst.fs));
/* Try to open the source file */
fresult = f_open(&src, inputfile, FA_READ);
if (fresult != FR_OK) {
System_printf("Creating a new file \"%s\"...", inputfile);
/* Open file for both reading and writing */
fresult = f_open(&src, inputfile, FA_CREATE_NEW|FA_READ|FA_WRITE);
if (fresult != FR_OK) {
System_printf("Error: \"%s\" could not be created.\n"
"Please check the Getting Started Guide "
"if additional jumpers are necessary.\n",
inputfile);
System_abort("Aborting...\n");
}
f_write(&src, textarray, strlen(textarray), &bytesWritten);
f_sync(&src);
/* Reset the internal file pointer */
f_lseek(&src, 0);
System_printf("done\n");
}
else {
System_printf("Using existing copy of \"%s\"\n", inputfile);
}
/* Create a new file object for the file copy */
fresult = f_open(&dst, outputfile, FA_CREATE_ALWAYS|FA_WRITE);
if (fresult != FR_OK) {
System_printf("Error opening \"%s\"\n", outputfile);
System_abort("Aborting...\n");
}
else {
System_printf("Starting file copy\n");
}
/* Copy the contents from the src to the dst */
while (true) {
/* Read from source file */
fresult = f_read(&src, cpy_buff, CPY_BUFF_SIZE, &bytesRead);
if (fresult || bytesRead == 0) {
break; /* Error or EOF */
}
/* Write to dst file */
fresult = f_write(&dst, cpy_buff, bytesRead, &bytesWritten);
if (fresult || bytesWritten < bytesRead) {
System_printf("Disk Full\n");
break; /* Error or Disk Full */
}
/* Update the total number of bytes copied */
totalBytesCopied += bytesWritten;
}
f_sync(&dst);
/* Get the filesize of the source file */
filesize = f_size(&src);
/* Close both inputfile[] and outputfile[] */
f_close(&src);
f_close(&dst);
System_printf("File \"%s\" (%u B) copied to \"%s\" (Wrote %u B)\n",
inputfile, filesize, outputfile, totalBytesCopied);
/* Now output the outputfile[] contents onto the console */
fresult = f_open(&dst, outputfile, FA_READ);
if (fresult != FR_OK) {
System_printf("Error opening \"%s\"\n", outputfile);
System_abort("Aborting...\n");
}
/* Print file contents */
while (true) {
/* Read from output file */
fresult = f_read(&dst, cpy_buff, CPY_BUFF_SIZE, &bytesRead);
if (fresult || bytesRead == 0) {
break; /* Error or EOF */
}
cpy_buff[bytesRead] = '\0';
/* Write output */
System_printf("%s", cpy_buff);
System_flush();
}
/* Close the file */
f_close(&dst);
printDrive(STR(DRIVE_NUM), &(dst.fs));
/* Stopping the SDCard */
SDSPI_close(sdspiHandle);
System_printf("Drive %u unmounted\n", DRIVE_NUM);
BIOS_exit(0);
}
/*
* ======== taskFxn ========
* Task to perform a file copy
*
* Task tries to open an existing file inputfile[]. If the file doesn't
* exist, create one and write some known content into it.
* The contents of the inputfile[] are then copied to an output file
* outputfile[]. Once completed, the contents of the output file are
* printed onto the system console (stdout).
*
* Task for this function is created statically. See the project's .cfg file.
*/
Void taskFxn(UArg arg0, UArg arg1)
{
SDSPI_Handle sdspiHandle;
SDSPI_Params sdspiParams;
USBMSCHFatFs_Handle usbmschfatfsHandle;
USBMSCHFatFs_Params usbmschfatfsParams;
/* Variables for the CIO functions */
FILE *src, *dst;
/* Variables to keep track of the file copy progress */
unsigned int bytesRead = 0;
unsigned int bytesWritten = 0;
unsigned int filesize;
unsigned int totalBytesCopied = 0;
/* Mount and register the USB Drive */
SDSPI_Params_init(&sdspiParams);
sdspiHandle = SDSPI_open(Board_SDSPI0, SD_DRIVE_NUM, &sdspiParams);
if (sdspiHandle == NULL) {
System_abort("Error starting the SD card\n");
}
else {
System_printf("Drive %u is mounted\n", SD_DRIVE_NUM);
}
/* Mount and register the USB Drive */
USBMSCHFatFs_Params_init(&usbmschfatfsParams);
usbmschfatfsParams.serviceTaskStackPtr = usbServiceTaskStack;
usbmschfatfsParams.serviceTaskStackSize = sizeof(usbServiceTaskStack);
usbmschfatfsHandle = USBMSCHFatFs_open(Board_USBMSCHFatFs0,
USB_DRIVE_NUM,
&usbmschfatfsParams);
if (usbmschfatfsHandle == NULL) {
System_abort("Error starting the USB Drive\n");
}
else {
System_printf("Drive %u is mounted\n", USB_DRIVE_NUM);
}
/* Need to block until a USB Drive has been enumerated */
if (!USBMSCHFatFs_waitForConnect(usbmschfatfsHandle, 10000)) {
System_abort("No USB drive present, aborting...\n");
}
/* Try to open the source file */
src = fopen(inputfilesd, "r");
if (!src) {
System_printf("Creating a new file \"%s\"...", inputfilesd);
/* Open file for both reading and writing */
src = fopen(inputfilesd, "w+");
if ( !src ) {
System_printf("Error: \"%s\" could not be created.\n"
"Please check the Getting Started Guide "
"if additional jumpers are necessary.\n",
inputfilesd);
System_abort("Aborting...\n");
}
fwrite(textarray, 1, strlen(textarray), src);
fflush(src);
/* Reset the internal file pointer */
rewind(src);
System_printf("done\n");
}
else {
System_printf("Using existing copy of \"%s\"\n", inputfilesd);
}
/* Create a new file object for the file copy */
dst = fopen(outputfileusb, "w");
if (!dst) {
System_printf("Error opening \"%s\"\n", outputfileusb);
System_abort("Aborting...\n");
}
else {
System_printf("Starting file copy\n");
}
/* Copy the contents from the src to the dst */
while (true) {
/* Read from source file */
bytesRead = fread(cpy_buff, 1, CPY_BUFF_SIZE, src);
if (bytesRead == 0) {
break; /* Error or EOF */
}
/* Write to dst file */
bytesWritten = fwrite(cpy_buff, 1, bytesRead, dst);
if (bytesWritten < bytesRead) {
System_printf("Disk Full\n");
break; /* Error or Disk Full */
}
/* Update the total number of bytes copied */
totalBytesCopied += bytesWritten;
}
fflush(dst);
/* Get the filesize of the source file */
fseek(src, 0, SEEK_END);
filesize = ftell(src);
rewind(src);
/* Close both inputfile[] and outputfile[] */
fclose(src);
fclose(dst);
System_printf("File \"%s\" (%u B) copied to \"%s\" (Wrote %u B)\n",
inputfilesd, filesize, outputfileusb, totalBytesCopied);
/* Now output the outputfile[] contents onto the console */
dst = fopen(outputfileusb, "r");
if (!dst) {
System_printf("Error opening \"%s\"\n", outputfileusb);
System_abort("Aborting...\n");
}
/* Print file contents */
while (true) {
/* Read from output file */
bytesRead = fread(cpy_buff, 1, CPY_BUFF_SIZE, dst);
if (bytesRead == 0) {
break; /* Error or EOF */
}
/* Write output */
System_printf("%s", cpy_buff);
}
/* Close the file */
fclose(dst);
/* Stopping the SDCard */
SDSPI_close(sdspiHandle);
System_printf("Drive %u unmounted\n", SD_DRIVE_NUM);
/* Stopping the USB Drive */
USBMSCHFatFs_close(usbmschfatfsHandle);
System_printf("Drive %u unmounted\n", USB_DRIVE_NUM);
BIOS_exit(0);
}