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// Yep, this is actually -*- c++ -*-
#ifdef USE_SD_CARD
void init_sd_card()
{
if (!card.init_card())
{
if (!card.isAvailable())
{
Serial.println("No card present");
error = 1;
}
else
{
Serial.println("Card init failed");
error = 2;
}
}
else if (!card.open_partition())
{
Serial.println("No partition");
error = 3;
}
else if (!card.open_filesys())
{
Serial.println("Can't open filesys");
error = 4;
}
else if (!card.open_dir("/"))
{
Serial.println("Can't open /");
error = 5;
}
else if (card.isLocked())
{
Serial.println("Card is locked");
error = 6;
}
}
void open_file()
{
open_new_file();
if (error == 0)
{
bufferIndex = 0;
for (char c = 'a'; c<= 'z'; c++)
{
buffer[bufferIndex] = c;
bufferIndex++;
}
card.write_file(f, (uint8_t *) buffer, bufferIndex);
card.close_file(f);
}
read_first_file();
}
void open_new_file()
{
strcpy(buffer, "RRJOB00.TXT");
for (buffer[5] = '0'; buffer[5] <= '9'; buffer[5]++)
{
for (buffer[6] = '0'; buffer[6] <= '9'; buffer[6]++)
{
f = card.open_file(buffer);
if (!f)
break; // found a file!
card.close_file(f);
}
if (!f)
break;
}
if(!card.create_file(buffer))
{
Serial.print("couldnt create: ");
Serial.println(buffer);
error = 7;
}
else
{
f = card.open_file(buffer);
if (!f)
{
Serial.print("error opening: ");
Serial.println(buffer);
error = 8;
}
else
{
Serial.print("writing to: ");
Serial.println(buffer);
}
}
}
void read_first_file()
{
strcpy(buffer, "RRJOB00.TXT");
f = card.open_file(buffer);
if (!f)
{
Serial.print("error opening: ");
Serial.println(buffer);
error = 8;
}
else
{
Serial.print("reading from: ");
Serial.println(buffer);
uint8_t result = card.read_file(f, (uint8_t *)buffer, 8);
if (result >0)
Serial.print(buffer);
else if (result == 0)
Serial.println("end of file.");
else
{
Serial.print("read error: ");
Serial.println(result, DEC);
}
}
}
#endif
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