STM32F4 Discovery, SPI and microSD

Thanks for the suggestion @Frida. Unfortunately it still gives the same error:

This is what I saw in my two attempts, this time monitoring the CS and DI pins.

**First attempt**

I started by executing the following command to set the CS pin low:

B12.write(false);

I then followed this up with the file read command:

var f = require("fs").readFile("test.txt");
```

and saw the following on the scope:

Second attempt

This time I just ran the file read command and saw the following on the scope:

Conclusion

From this it seems the chip select pin is being set correctly.

Any other ideas?