Diff: main.cpp

Revision:

0:4ea3a9a52bb6

Child:

1:6f792125397a

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Dec 18 22:53:07 2017 +0000
@@ -0,0 +1,58 @@
+#include "mbed.h"
+#include "mbed_crc.h"
+#include "SlowCRC.h"
+#include "FastCRC.h"
+
+#define FAST_COMPUTE        1
+
+#if defined(FAST_COMPUTE)
+#define CRC_TYPE    FastCRC
+#else
+#define CRC_TYPE    SlowCRC
+#endif
+
+char  test[] = "123456789";
+uint32_t crc;
+
+int crc_ibm_16bit() {
+    CRC_TYPE<uint16_t> ct(CRC_16BIT_IBM);
+    
+    ct.init();
+    ct.compute((void *)test, strlen((const char*)test), &crc);    
+    
+    printf("The CRC of 0x%x \"123456789\" is \"0xBB3D\" Result: 0x%x\n", 
+                            ct.get_polynomial(), crc);
+    ct.deinit();
+    return 0;
+}
+
+int crc_ccitt_16bit() {
+    CRC_TYPE<uint16_t> ct(CRC_16BIT_CCITT);
+    
+    ct.init();
+    ct.compute((void *)test, strlen((const char*)test), &crc);    
+    
+    printf("The CRC of 0x%x \"123456789\" is \"0x29B1\" Result: 0x%x\n", 
+                            ct.get_polynomial(), crc);
+    ct.deinit();
+    return 0;
+}
+
+int crc_32_bit() {
+    CRC_TYPE<uint32_t> ct(CRC_32BIT);
+    
+    ct.init();
+    ct.compute((void *)test, strlen((const char*)test), &crc);    
+    
+    printf("The CRC of 0x%x \"123456789\" is \"0xCBF43926\" Result: 0x%x\n", 
+                            ct.get_polynomial(), crc);
+    ct.deinit();
+    return 0;
+}
+
+int main() {
+    crc_ibm_16bit();
+    crc_ccitt_16bit();
+    crc_32_bit();
+    return 0;
+}