Class SerialFlashChip

SerialFlash.h:36–71

class SerialFlashFile;

class SerialFlashChip
{
public:
	static bool begin(SPIClass& device, uint8_t pin = 6);
	static bool begin(uint8_t pin = 6);
	static uint32_t capacity(const uint8_t *id);
	static uint32_t blockSize();
	static void sleep();
	static void wakeup();
	static void readID(uint8_t *buf);
	static void readSerialNumber(uint8_t *buf);
	static void read(uint32_t addr, void *buf, uint32_t len);
	static bool ready();
	static void wait();
	static void write(uint32_t addr, const void *buf, uint32_t len);
	static void eraseAll();
	static void eraseBlock(uint32_t addr);

	static SerialFlashFile open(const char *filename);
	static bool create(const char *filename, uint32_t length, uint32_t align = 0);
	static bool createErasable(const char *filename, uint32_t length) {
		return create(filename, length, blockSize());
	}
	static bool exists(const char *filename);
	static bool remove(const char *filename);
	static bool remove(SerialFlashFile &file);
	static void opendir() { dirindex = 0; }
	static bool readdir(char *filename, uint32_t strsize, uint32_t &filesize);
private:
	static uint16_t dirindex; // current position for readdir()
	static uint8_t flags;	// chip features
	static uint8_t busy;	// 0 = ready
				// 1 = suspendable program operation
				// 2 = suspendable erase operation
				// 3 = busy for realz!!
};

extern SerialFlashChip SerialFlash;