Diff: main.cpp

Revision:

0:38c92792be1d

diff -r 000000000000 -r 38c92792be1d main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Jun 07 22:11:31 2019 +0000
@@ -0,0 +1,52 @@
+#include "mbed.h"
+
+Serial  out(USBTX, USBRX);
+
+
+
+unsigned char  crc8   (unsigned  char  data,unsigned  char crc){ 
+
+unsigned  char  i = data ^ crc; 
+  crc = 0;
+  if(i & 0x01) crc ^= 0x5e;
+  if(i & 0x02) crc ^= 0xbc;  
+  if(i & 0x04) crc ^= 0x61;
+  if(i & 0x08) crc ^= 0xc2;
+  if(i & 0x10) crc ^= 0x9d;
+  if(i & 0x20) crc ^= 0x23;
+  if(i & 0x40) crc ^= 0x46;
+  if(i & 0x80) crc ^= 0x8c;
+  return crc;
+ }
+
+
+void main (void ){
+    
+    unsigned  char datos[8];
+    unsigned  char crc= 0x00;
+    int  cont = 0;
+    datos[0]=  0x3e;
+    datos[1]=  0x01;
+    datos[2]=  0x06;
+    datos[3]=  0x66;
+    datos[4]=  0x58;
+    datos[5]=  0x00;
+    datos[6]=  0x3f;
+    datos[7]=  0x5e;
+
+    
+  
+    for(cont = 0; cont< 8; cont++ ) {
+        
+        crc=  crc8(datos[cont],crc);
+        
+
+        }
+    
+    out.printf("EL CRC ES :%2X", crc);
+    
+      
+    
+    }
+
+