package kfl;/***	Flash programming.*		read and write data to address 0x80000.**	address mapping:**		0x00000 - 0x17fff	96kB Acex config*		0x18000 - 0x1bfff	16kB java program*		0x1c000 - 0x1c3ff	1kB MS data*		0x1c400 - 0x1dfff	7kB text data*		0x1e000 - 0x1ffff	8kB log book*		0x1ffff				address of Mast**/public class Flash {	public static final int LAST_ADDR = 0x9ffff;	public static final int FLASH_START = 0x80000;	public static final int TEXT_START = FLASH_START+0x1c400;	public static final int LOG_LEN = 8192;	public static final int LOG_SIZE = 32;	public static final int LOG_START = 0xa0000-LOG_LEN;////	use relativ offset for MS data//	public static final int MS_DATA = 0x1c000;	public static final int MS_DATA_LEN = 17*32;	private static int[] buf;	private static int addr, cnt;	public static void init() {		buf = new int[128];		for (int i=0; i<128; ++i) {			buf[i] = 0xff;		}		addr = 0;		cnt = 0;	}////	only for Mast//	public static void setStationAddress(int val) {		if (val<0 || val>31) return;		JopSys.wrMem(val, LAST_ADDR);		while(JopSys.rdMem(LAST_ADDR) != val)		// WD on failure			;	}	public static int getStationAddress() {		int i = JopSys.rdMem(LAST_ADDR);		if (i<0 || i>31) {			return 0;		} else {			return i;		}	}/**	Set address in 128 byte pages.*/	public static void setPage(int p) {		addr = p<<7;		cnt = 0;	}	public static void setData(int data) {		buf[cnt & 0x7f] = data;		++cnt;	}/**	read one page in intern buffer.*/	private static void readPage() {		for (int i=0; i<128; ++i) {			buf[i] = JopSys.rdMem(((FLASH_START+addr) & 0xfff80) | i);		}	}/***	program one byte.*/	public static void write(int a, int data) {		addr = a;		readPage();		buf[addr & 0x7f] = data;		program();	}/***	program one 16 bit value.*/	public static void write16(int a, int data) {		addr = a;		readPage();		buf[addr & 0x7f] = data>>>8;		buf[(addr+1) & 0x7f] = data;		program();	}	public static void program() {		int i, val;		val = buf[127] & 0xff;		for (i=0; i<128; ++i) {			JopSys.wrMem(buf[i], ((FLASH_START+addr) & 0xfff80) | i);			buf[i] = 0xff;		}		// wait 1 ms to start programming (min 150 us)		Timer.sleep(1);		while(JopSys.rdMem(FLASH_START+addr+127) != val)		// WD on failure			;	}	public static int read() {		return JopSys.rdMem(FLASH_START+addr+(cnt++));	}	public static int read(int addr) {		return JopSys.rdMem(FLASH_START+addr);	}	public static int read16(int addr) {		return (JopSys.rdMem(FLASH_START+addr)<<8) | JopSys.rdMem(FLASH_START+addr+1);	}}