I have entered the following sketch using information from the Version 2.0 wiki, the tftbmp sketch and, analog datalogger sketch. I am unable to initialize the SD card. The message returned is, “Card failed or not present”. The microSD has been erased and formatted to FAT-32 via OSX disk utility.
/*
SD card datalogger V2.0 TFT Touch Screen Version 2.0
*SPI bus is as follows
** MOSI - pin 11
** MISO - pin 12
** CLK - pin 13
** CS - pin 10 - must be high to enable SPI communications?
- SD card attached to SPI bus as follows:?
** MOSI - pin 11
** MISO - pin 12
** CLK - pin 13
** CS - pin 4
- TFT is attached to SPI bus as follows:?
** MOSI - pin 11
** MISO - pin 12
** CLK - pin 13
** CS - pin 5
*/
#include <SD.h>
#include <SPI.h>
#include <TFTv2.h>
Sd2Card card;
SdVolume volume;
SdFile root;
// chip select constants
const int spiSelect = 10; //SPI enable
const int tftSelect = 5; //TFT enable
const int sdSelect = 4; //SD enable
void setup()
{
// Open serial communications and wait for port to open:
Serial.begin(9600);
while (!Serial) {
; // wait for serial port to connect. Needed for Leonardo only
}
pinMode(spiSelect, OUTPUT); // enable SPI chip
digitalWrite(spiSelect,HIGH);
SPI.begin();
pinMode(tftSelect, OUTPUT); // disable TFT as I only wish to talk to SD Card
digitalWrite(tftSelect,LOW);
Serial.print(“Initializing SD card…”);
// see if the card is present and can be initialized:
card.init(SPI_FULL_SPEED, sdSelect);
if (!SD.begin(sdSelect)) {
Serial.println(“Card failed, or not present”);
// don’t do anything more:
return;
}
Serial.println(“card initialized.”);
}
void loop() {
;
}
