X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=altosui%2FAltosEepromChunk.java;h=77707f7bedf6acb9c55170ff72e4b01726d37082;hb=40ee170753f4fd422c848e34a8da104683b7c8a2;hp=1e42077ff01f5168593ca3df415cedf34b12540a;hpb=d41edb3384b6336f3482e61b0c9f9400a8b4f519;p=fw%2Faltos

diff --git a/altosui/AltosEepromChunk.java b/altosui/AltosEepromChunk.java
index 1e42077f..77707f7b 100644
--- a/altosui/AltosEepromChunk.java
+++ b/altosui/AltosEepromChunk.java
@@ -52,14 +52,27 @@ public class AltosEepromChunk {
 		return data[offset] | (data[offset + 1] << 8);
 	}
 
-	public AltosEepromChunk(AltosSerial serial_line, int block)
+	int data32(int offset) {
+		return data[offset] | (data[offset + 1] << 8) |
+			(data[offset+2] << 16) | (data[offset+3] << 24);
+	}
+
+	boolean erased(int start, int len) {
+		for (int i = 0; i < len; i++)
+			if (data[start+i] != 0xff)
+				return false;
+		return true;
+	}
+
+	public AltosEepromChunk(AltosSerial serial_line, int block, boolean flush)
 		throws TimeoutException, InterruptedException {
 
 		int	offset;
 
 		data = new int[chunk_size];
 		address = block * chunk_size;
-		serial_line.flush_input();
+		if (flush)
+			serial_line.flush_input();
 		serial_line.printf("e %x\n", block);
 
 		for (offset = 0; offset < chunk_size; offset += per_line) {