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// An example of the SdFatSoftSpi template class.
// This example is for an Adafruit Data Logging Shield on a Mega.
// Software SPI is required on Mega since this shield connects to pins 10-13.
// This example will also run on an Uno and other boards using software SPI.
//
#include <SPI.h>
#include "SdFat.h"
#if ENABLE_SOFTWARE_SPI_CLASS // Must be set in SdFat/SdFatConfig.h
//
// Pin numbers in templates must be constants.
const uint8_t SOFT_MISO_PIN = 12;
const uint8_t SOFT_MOSI_PIN = 11;
const uint8_t SOFT_SCK_PIN = 13;
//
// Chip select may be constant or RAM variable.
const uint8_t SD_CHIP_SELECT_PIN = 10;
// SdFat software SPI template
SdFatSoftSpi<SOFT_MISO_PIN, SOFT_MOSI_PIN, SOFT_SCK_PIN> sd;
// Test file.
SdFile file;
void setup() {
Serial.begin(9600);
// Wait for USB Serial
while (!Serial) {
SysCall::yield();
}
Serial.println("Type any character to start");
while (!Serial.available()) {
SysCall::yield();
}
if (!sd.begin(SD_CHIP_SELECT_PIN)) {
sd.initErrorHalt();
}
if (!file.open("SoftSPI.txt", O_RDWR | O_CREAT)) {
sd.errorHalt(F("open failed"));
}
file.println(F("This line was printed using software SPI."));
file.rewind();
while (file.available()) {
Serial.write(file.read());
}
file.close();
Serial.println(F("Done."));
}
//------------------------------------------------------------------------------
void loop() {}
#else // ENABLE_SOFTWARE_SPI_CLASS
#error ENABLE_SOFTWARE_SPI_CLASS must be set non-zero in SdFat/SdFatConfig.h
#endif //ENABLE_SOFTWARE_SPI_CLASS
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