1 files changed, 25 insertions, 0 deletions
diff --git a/3544/CH4/EX4.17/Ex4_17.sce b/3544/CH4/EX4.17/Ex4_17.sce
new file mode 100644
index 000000000..d11259888
--- /dev/null
+++ b/3544/CH4/EX4.17/Ex4_17.sce
@@ -0,0 +1,25 @@
+
+//Longitudinal redundancy check
+
+data = [ "11100100","11011101","00111001","00101001" ]
+disp("Original data")
+disp(data)
+data = bin2dec(data)
+
+lrc = 0.
+
+for i=1:length(data)
+    lrc = bitxor(lrc,data(i))
+end
+
+disp("LRC: ")
+
+for i=1:7
+    if lrc<(2^(8-i)) then
+        printf("0")
+    else
+        printf("%s",dec2bin(lrc))
+        break        
+    end
+end
+