sd.h

#ifndef RUSP_SD_H
#define RUSP_SD_H_

#include <HardwareSerial.h>
#include <SD.h>

#define STR_EXPAND(tok) #tok
#define STR(tok) STR_EXPAND(tok)

// https://en.wikipedia.org/wiki/X_macro
#define CONFIG_FILES \
	X(PREPEND) \
	X(CONTACT1) \
	X(CONTACT2) \
	X(CONTACT3) \
	X(CONTACT4) \
	X(CONTACT5) \
	X(CONTACT6) \
	X(CONTACT7) \
	X(CONTACT8) \
	X(CONTACT9) \
	X(CONTACT0)

#define MAX_CONF_STR_LEN 64

// state of the lara system
struct sd_state {
	// serial port the console is on
	HardwareSerial *cons;
	// SD library stuff
	Sd2Card card;
	SdVolume volume;
	SdFile root;
	// config strings
	#define X(name) char name[MAX_CONF_STR_LEN];
	CONFIG_FILES
	#undef X
};

void sd_init(HardwareSerial *cons);
void sd_info();
void sd_read_all();

#define X(name) char *sd_##name();
CONFIG_FILES
#undef X

#endif	// include guard