RobTillaart · RobTillaart · Apr 11, 2024 · Apr 11, 2024
diff --git a/.github/FUNDING.yml b/.github/FUNDING.yml
@@ -1,4 +1,4 @@
 # These are supported funding model platforms
 
 github: RobTillaart
-
+custom: "https://www.paypal.me/robtillaart"
diff --git a/.github/workflows/arduino-lint.yml b/.github/workflows/arduino-lint.yml
@@ -1,13 +1,13 @@
-
 name: Arduino-lint
 
 on: [push, pull_request]
 jobs:
   lint:
     runs-on: ubuntu-latest
+    timeout-minutes: 5
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: arduino/arduino-lint-action@v1
         with:
           library-manager: update
-          compliance: strict
+          compliance: strict
diff --git a/.github/workflows/arduino_test_runner.yml b/.github/workflows/arduino_test_runner.yml
@@ -1,17 +1,18 @@
----
 name: Arduino CI
 
 on: [push, pull_request]
 
 jobs:
   runTest:
     runs-on: ubuntu-latest
+    timeout-minutes: 20
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: 2.6
       - run: |
+          sudo sysctl vm.mmap_rnd_bits=28
           gem install arduino_ci
           arduino_ci.rb
diff --git a/.github/workflows/jsoncheck.yml b/.github/workflows/jsoncheck.yml
@@ -9,10 +9,10 @@ on:
 jobs:
   test:
     runs-on: ubuntu-latest
+    timeout-minutes: 5
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: json-syntax-check
-        uses: limitusus/json-syntax-check@v1
+        uses: limitusus/json-syntax-check@v2
         with:
-          pattern: "\\.json$"
-
+          pattern: "\\.json$"
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,16 +1,20 @@
-# Change Log CRC
+# Changelog CRC
 
 All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
 
+## [1.0.3] - 2024-04-11
+- update GitHub actions
+- add URL to examples
+- minor edits
+
 ## [1.0.2] - 2023-10-19
 - update readme.md (badges)
 - fix changelog
 
-
 ## [1.0.1] - 2023-07-13
 - added headers in examples
 - added headers in src

diff --git a/LICENSE b/LICENSE
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2021-2023 Rob Tillaart
+Copyright (c) 2021-2024 Rob Tillaart
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

diff --git a/examples/CRC12_test/CRC12_test.ino b/examples/CRC12_test/CRC12_test.ino
@@ -2,13 +2,13 @@
 //    FILE: CRC16_test.ino
 //  AUTHOR: Rob Tillaart
 // PURPOSE: demo
-//    DATE: 2022-01-24
-//    (c) : MIT
+//     URL: https://github.com/RobTillaart/CRC
 
 
 #include "CRC12.h"
 #include "CRC.h"
 
+
 char str1[24] =  "123456789";
 char str2[24] =  "123456789123456789";
 
@@ -20,7 +20,7 @@ void setup()
   Serial.begin(115200);
   Serial.println(__FILE__);
 
-  // Serial.println("Verified with - http://zorc.breitbandkatze.de/crc.html \n");
+  //  Serial.println("Verified with - http://zorc.breitbandkatze.de/crc.html \n");
 
   test();
 }
@@ -55,10 +55,10 @@ void test()
   Serial.println(crc.count());
 }
 
-////
-// reference function
 
-uint16_t crc_check(uint8_t * ptr, uint8_t length)   // crc12
+//  reference function
+
+uint16_t crc_check(uint8_t * ptr, uint8_t length)   //  crc12
 {
   uint16_t crc12out = 0;
   uint8_t i, j;
@@ -81,4 +81,4 @@ uint16_t crc_check(uint8_t * ptr, uint8_t length)   // crc12
 }
 
 
-// -- END OF FILE --
+//  -- END OF FILE --
diff --git a/examples/CRC16_test/CRC16_test.ino b/examples/CRC16_test/CRC16_test.ino
@@ -2,8 +2,7 @@
 //    FILE: CRC16_test.ino
 //  AUTHOR: Rob Tillaart
 // PURPOSE: demo
-//    DATE: 2021-01-20
-//    (c) : MIT
+//     URL: https://github.com/RobTillaart/CRC
 
 
 #include "CRC16.h"
@@ -19,7 +18,7 @@ void setup()
   Serial.begin(115200);
   Serial.println(__FILE__);
 
-  // Serial.println("Verified with - http://zorc.breitbandkatze.de/crc.html \n");
+  //  Serial.println("Verified with - http://zorc.breitbandkatze.de/crc.html \n");
 
   test();
 }
@@ -47,5 +46,5 @@ void test()
 }
 
 
-// -- END OF FILE --
+//  -- END OF FILE --
 
diff --git a/examples/CRC16_test_modbus/CRC16_test_modbus.ino b/examples/CRC16_test_modbus/CRC16_test_modbus.ino
@@ -2,8 +2,7 @@
 //    FILE: CRC16_test_modbus.ino
 //  AUTHOR: Rob Tillaart
 // PURPOSE: demo
-//    DATE: 2023-07-25
-//    (c) : MIT
+//     URL: https://github.com/RobTillaart/CRC
 
 
 #include "CRC16.h"
@@ -19,7 +18,7 @@ void setup()
   Serial.begin(115200);
   Serial.println(__FILE__);
 
-  // uint8_t arr[12] = { 0xFE, 0x03, 0x14, 0x00, 0x01, 0x00, 0x55, 0xA5 };
+  //  uint8_t arr[12] = { 0xFE, 0x03, 0x14, 0x00, 0x01, 0x00, 0x55, 0xA5 };
   uint8_t arr[12] = { 0xFE, 0x10, 0x04, 0x00, 0x01, 0x00, 0x01, 0x60, 0x00, 0x42, 0x58 };
 
   for (int i = 0; i < 9; i++)
@@ -36,4 +35,4 @@ void loop()
 }
 
 
-// -- END OF FILE --
+//  -- END OF FILE --
diff --git a/examples/CRC32_performance/CRC32_performance.ino b/examples/CRC32_performance/CRC32_performance.ino
@@ -2,11 +2,11 @@
 //    FILE: CRC32_performance.ino
 //  AUTHOR: Rob Tillaart
 // PURPOSE: demo
-//    DATE: 2022-01-28
-//    (c) : MIT
+//     URL: https://github.com/RobTillaart/CRC
 
 
 #include "CRC32.h"
+#include "FastCRC32.h"
 
 char str[] = "Lorem ipsum dolor sit amet, \
 consectetuer adipiscing elit. Aenean commodo ligula eget dolor. \
@@ -66,6 +66,20 @@ void test()
   Serial.println(nonReversedCrc.calc(), HEX);
   Serial.print("TIME: \t");
   Serial.println(stop - start);
+  Serial.println();
+  delay(100);
+
+  FastCRC32 FCRC32;
+  start = micros();
+  FCRC32.add((uint8_t*)str, length);
+  stop = micros();
+  Serial.print("DATA: \t");
+  Serial.println(length);
+  Serial.print("FCRC:\t");
+  Serial.println(FCRC32.calc(), HEX);
+  Serial.print("TIME: \t");
+  Serial.println(stop - start);
+  Serial.println();
   delay(100);
 }
 

diff --git a/examples/CRC32_performance/CRC32_performance.md b/examples/CRC32_performance/CRC32_performance.md
@@ -17,10 +17,10 @@ Test Lorum ipsum (868 bytes).
 ### Runtimes
 
 
-| algo  |  output 0.3.3  |  output 1.0.0  | time 0.3.3 | time 1.0.0 | delta % |
-|:-----:|:--------------:|:--------------:|:----------:|:----------:|:-------:|
-| CRC32 |  36ED2953      |  5E22D36F      |    7468    |    8236    |  +10%   |
-| CRC32 |  BB768E7C      |  5E22D36F      |    8252    |    7764    |  -06%   |
+|   algo    |  output 0.3.3  |  output 1.0.0  | time 0.3.3 | time 1.0.0 | delta % | notes |
+|:---------:|:--------------:|:--------------:|:----------:|:----------:|:-------:|:------|
+|   CRC32   |  36ED2953      |  5E22D36F      |    7468    |    8236    |  +10%   |
+|   CRC32   |  BB768E7C      |  5E22D36F      |    8252    |    7764    |  -06%   |
 
 
 - Output differs in 0.3.3 and from 1.0.0. 
@@ -38,8 +38,8 @@ Test Lorum ipsum (868 bytes).
 
 ### Runtimes
 
-| algo  | output 0.3.3  |  output 1.0.0  | time 0.3.3 | time 1.0.0 | delta % |
-|:-----:|:-------------:|:--------------:|:----------:|:----------:|:-------:|
+| algo  | output 0.3.3  |  output 1.0.0  | time 0.3.3 | time 1.0.0 | delta % | notes |
+|:-----:|:-------------:|:--------------:|:----------:|:----------:|:-------:|:------|          
 | CRC32 |  36ED2953     |  5E22D36F      |    621     |     598    |  -04%   |
 | CRC32 |  BB768E7C     |  5E22D36F      |    705     |     583    |  -20%   |
 

diff --git a/examples/CRC32_performance/performance_1.0.2.txt b/examples/CRC32_performance/performance_1.0.2.txt
@@ -0,0 +1,17 @@
+
+Tested on UNO
+IDE 1.18.19
+
+CRC32_performance\CRC32_performance.ino
+DATA: 	868
+ CRC:	5E22D36F
+TIME: 	18440
+
+DATA: 	868
+ CRC:	7B50E355   (no reverse)
+TIME: 	16688
+
+DATA: 	868
+FCRC:	5E22D36F   (fast CRC32 with lookup table)
+TIME: 	6440
+
diff --git a/examples/CRC32_test/CRC32_test.ino b/examples/CRC32_test/CRC32_test.ino
@@ -2,8 +2,7 @@
 //    FILE: CRC32_test.ino
 //  AUTHOR: Rob Tillaart
 // PURPOSE: demo
-//    DATE: 2021-01-20
-//    (c) : MIT
+//     URL: https://github.com/RobTillaart/CRC
 
 
 #include "CRC32.h"
@@ -18,7 +17,7 @@ void setup()
   Serial.begin(115200);
   Serial.println(__FILE__);
 
-  // Serial.println("Verified with - http://zorc.breitbandkatze.de/crc.html \n");
+  //  Serial.println("Verified with - http://zorc.breitbandkatze.de/crc.html \n");
 
   test();
 }
@@ -44,5 +43,5 @@ void test()
 }
 
 
-// -- END OF FILE --
+//  -- END OF FILE --
 
diff --git a/examples/CRC64_test/CRC64_test.ino b/examples/CRC64_test/CRC64_test.ino
@@ -2,12 +2,11 @@
 //    FILE: CRC64_test.ino
 //  AUTHOR: Rob Tillaart
 // PURPOSE: demo
-//    DATE: 2021-01-20
-//    (c) : MIT
+//     URL: https://github.com/RobTillaart/CRC
 
 
 #include "CRC64.h"
-#include "printHelpers.h"     // https://github.com/RobTillaart/printHelpers
+#include "printHelpers.h"     //  https://github.com/RobTillaart/printHelpers
 
 char str[24] =  "123456789";
 
@@ -17,7 +16,7 @@ void setup()
   Serial.begin(115200);
   Serial.println(__FILE__);
 
-  // Serial.println("Verified with - http://zorc.breitbandkatze.de/crc.html \n");
+  //  Serial.println("Verified with - http://zorc.breitbandkatze.de/crc.html \n");
 
   test();
 }
@@ -55,5 +54,5 @@ void test()
 }
 
 
-// -- END OF FILE --
+//  -- END OF FILE --
 
diff --git a/examples/CRC8_test/CRC8_test.ino b/examples/CRC8_test/CRC8_test.ino
@@ -2,8 +2,7 @@
 //    FILE: CRC8_test.ino
 //  AUTHOR: Rob Tillaart
 // PURPOSE: demo
-//    DATE: 2021-01-20
-//    (c) : MIT
+//     URL: https://github.com/RobTillaart/CRC
 
 
 #include "CRC8.h"
@@ -20,7 +19,7 @@ void setup()
   Serial.begin(115200);
   Serial.println(__FILE__);
 
-  // Serial.println("Verified with - http://zorc.breitbandkatze.de/crc.html \n");
+  //  Serial.println("Verified with - http://zorc.breitbandkatze.de/crc.html \n");
 
   test();
 }
@@ -48,5 +47,5 @@ void test()
 }
 
 
-// -- END OF FILE --
+//  -- END OF FILE --
 
diff --git a/examples/CRC8_test2/CRC8_test2.ino b/examples/CRC8_test2/CRC8_test2.ino
@@ -0,0 +1,37 @@
+//
+//    FILE: CRC8_test.ino
+//  AUTHOR: Rob Tillaart
+// PURPOSE: demo
+//     URL: https://github.com/RobTillaart/CRC
+
+
+#include "CRC8.h"
+
+byte arr[7] = { 0x13, 0x54, 0x13, 0x88, 0x00, 0x0e, 0x99 };
+
+CRC8 crc(0x1D, 0xFF, 0xFF, false, false);
+
+
+void setup()
+{
+  Serial.begin(115200);
+  Serial.println(__FILE__);
+
+  crc.add((uint8_t*)arr, 7);
+  Serial.println(crc.calc(), HEX);
+
+  crc.restart();
+  for (int i = 0; i < 7; i++)
+  {
+    crc.add(arr[i]);
+  }
+  uint8_t result = crc.calc();
+  Serial.println(result, HEX);
+  Serial.println(crc.count());
+}
+
+void loop()
+{
+}
+
+//  -- END OF FILE --