public static QsiMessage getReset() {
QsiMessage m = new QsiMessage(3);
m.setOpCode(0);
m.setLength(0);
m.setChecksum();
return m.frame();
}
// Bootloader messages are initially created long enough for
// the message and checksum. The message is then framed with control
// characters before being returned
public static QsiMessage getReadBootVersion() {
QsiMessage m = new QsiMessage(3);
m.setOpCode(RD_VER);
m.setLength(2);
m.setChecksum();
return m.frame();
}
public static QsiMessage getWriteEE(int addr, int[] data) {
QsiMessage m = new QsiMessage(6 + data.length);
m.setOpCode(WT_EEDATA);
m.setLength(data.length);
m.setAddress(addr & 0xff);
m.setData(data);
m.setChecksum();
return m.frame();
}
public static QsiMessage getEraseFlash(int addr, int rows) {
QsiMessage m = new QsiMessage(6);
m.setOpCode(ER_FLASH);
// Erase a number of 64 byte rows
m.setLength(rows);
m.setAddress(addr);
m.setChecksum();
return m.frame();
}
public static QsiMessage getWriteFlash(int addr, int[] data) {
int l = data.length;
// Writes are rounded up to multiples of 8 bytes
if (l % 8 != 0) {
l = l + (8 - l % 8);
}
// and data padded with erased condition
int padded[] = new int[l];
for (int i = 0; i < l; i++) {
if (i < data.length) {
padded[i] = data[i];
} else {
padded[i] = 0xff;
}
}
QsiMessage m = new QsiMessage(6 + l);
m.setOpCode(WT_FLASH);
// length is number of 8 byte blocks
m.setLength(l / 8);
m.setAddress(addr);
m.setData(padded);
m.setChecksum();
return m.frame();
}
