Revert "crc: rename checksum to CRC"

This reverts commit 3f645884a4.

sys/checksum/crc16_ccitt.c

@@ -7,7 +7,7 @@
  */
 
 /**
- * @ingroup     sys_crc_crc16_ccitt
+ * @ingroup     sys_checksum_crc16_ccitt
  * @{
  *
  * @file
@@ -21,7 +21,7 @@
 #include <stdint.h>
 #include <stdlib.h>
 
-#include "crc/crc16_ccitt.h"
+#include "checksum/crc16_ccitt.h"
 
 static const uint16_t _crc16_lookuptable[256] = {
     0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7,

sys/checksum/doc.txt

@@ -7,7 +7,7 @@
  */
 
 /**
- * @defgroup    sys_crc CRC Cyclic redundancy checks
+ * @defgroup    sys_checksum Checksum
  * @ingroup     sys
- * @brief       CRC hashing functions
+ * @brief       Checksum function libraries
  */

sys/include/checksum/crc16_ccitt.h

@@ -7,8 +7,8 @@
  */
 
 /**
- * @defgroup    sys_crc_crc16_ccitt CRC16-CCITT
- * @ingroup     sys_crc
+ * @defgroup    sys_checksum_crc16_ccitt CRC16-CCITT
+ * @ingroup     sys_checksum
  *
  * @brief       CRC16-CCITT checksum algorithm
  * @details     This implementation of CRC16 is based on the CCITT

tests/unittests/tests-checksum/Makefile.include

@@ -0,0 +1 @@
+USEMODULE += checksum

tests/unittests/tests-checksum/tests-checksum-crc16-ccitt.c

@@ -10,9 +10,9 @@
 
 #include "embUnit/embUnit.h"
 
-#include "crc/crc16_ccitt.h"
+#include "checksum/crc16_ccitt.h"
 
-#include "tests-crc.h"
+#include "tests-checksum.h"
 
 static int calc_and_compare_crc_with_update(const unsigned char *buf,
         size_t len, size_t split, uint16_t expected)
@@ -32,7 +32,7 @@ static int calc_and_compare_crc(const unsigned char *buf, size_t len,
     return result == expected;
 }
 
-static void test_crc_crc16_ccitt_sequence(void)
+static void test_checksum_crc16_ccitt_sequence(void)
 {
     /* Reference values according to
      * http://srecord.sourceforge.net/crc16-ccitt.html */
@@ -85,13 +85,13 @@ static void test_crc_crc16_ccitt_sequence(void)
     }
 }
 
-Test *tests_crc_crc16_ccitt_tests(void)
+Test *tests_checksum_crc16_ccitt_tests(void)
 {
     EMB_UNIT_TESTFIXTURES(fixtures) {
-        new_TestFixture(test_crc_crc16_ccitt_sequence),
+        new_TestFixture(test_checksum_crc16_ccitt_sequence),
     };
 
-    EMB_UNIT_TESTCALLER(crc_crc16_ccitt_tests, NULL, NULL, fixtures);
+    EMB_UNIT_TESTCALLER(checksum_crc16_ccitt_tests, NULL, NULL, fixtures);
 
-    return (Test *)&crc_crc16_ccitt_tests;
+    return (Test *)&checksum_crc16_ccitt_tests;
 }

tests/unittests/tests-checksum/tests-checksum.c

@@ -6,9 +6,9 @@
  * directory for more details.
  */
 
-#include "tests-crc.h"
+#include "tests-checksum.h"
 
-void tests_crc(void)
+void tests_checksum(void)
 {
-    TESTS_RUN(tests_crc_crc16_ccitt_tests());
+    TESTS_RUN(tests_checksum_crc16_ccitt_tests());
 }

tests/unittests/tests-checksum/tests-checksum.h

@@ -11,7 +11,7 @@
  * @{
  *
  * @file
- * @brief       Unittests for the ``crc`` module
+ * @brief       Unittests for the ``checksum`` module
  *
  * @author      Ludwig Knüpfer <ludwig.knuepfer@fu-berlin.de>
  */
@@ -28,14 +28,14 @@ extern "C" {
 /**
  * @brief   The entry point of this test suite.
  */
-void tests_crc(void);
+void tests_checksum(void);
 
 /**
- * @brief   Generates tests for crc/crc16_ccitt.h
+ * @brief   Generates tests for checksum/crc16_ccitt.h
  *
  * @return  embUnit tests if successful, NULL if not.
  */
-Test *tests_crc_crc16_ccitt_tests(void);
+Test *tests_checksum_crc16_ccitt_tests(void);
 
 #ifdef __cplusplus
 }

tests/unittests/tests-crc/Makefile.include

@@ -1 +0,0 @@
-USEMODULE += crc