Add Bugfix / Diagnose / Version

Bugfix: reset Flag when message received.
Diagnose: Function to read debug information.
Version: Function to read lib version.

examples/EMUcanAdvancedTest/EMUcanAdvancedTest.ino

@@ -25,6 +25,9 @@ void setup() {
   //Call this in the setup to init the lib:
   emucan.begin(CAN_500KBPS, MCP_8MHZ);
 
+  Serial.print("EMUCAN_LIB_VERSION: ");
+  Serial.println(EMUCAN_LIB_VERSION);
+
   //Setup the Callback to receive every CAN Message:
   ReturnAllFramesFunction LetMeHaveIt = specialframefunction;
   emucan.ReturnAllFrames(LetMeHaveIt);
@@ -52,7 +55,21 @@ void loop() {
     }
     //Stop sending all frames after 1 second, this spams the serial
     emucan.ReturnAllFramesStop();
+
+    //Check RX/TX CAN error counts:
+    Serial.print("RX error count: ");
+    Serial.println(emucan.CanErrorCounter(false));
+    Serial.print("TX error count: ");
+    Serial.println(emucan.CanErrorCounter(true));
+
+    //retreive the mcp2515 object for direct access
+    MCP2515 mcp = *emucan.getMcp2515();
+    //call the getErrorFlags function from the mcp2515 lib:
+    uint8_t eflg = mcp.getErrorFlags();
+    Serial.print("eflg register:");
+    Serial.println(eflg);
   }
+
 }
 
 // self defined function to handle all frames:
@@ -71,4 +88,4 @@ void specialframefunction(const struct can_frame *frame) {
 
   //Toggle the onboard LED for show:
   digitalWrite(LED_BUILTIN, !digitalRead(LED_BUILTIN));
-}
+}

keywords.txt

@@ -18,4 +18,4 @@ emu_data	LITERAL1
 EMUcan_FRESH	LITERAL1
 EMUcan_RECEIVED_WITHIN_LAST_SECOND	LITERAL1
 EMUcan_RECEIVED_NOTHING_WITHIN_LAST_SECOND	LITERAL1
-ReturnAllFramesFunction	LITERAL1
+ReturnAllFramesFunction	LITERAL1

library.json

@@ -11,7 +11,7 @@
 		"type": "git",
 		"url": "https://github.com/designer2k2/EMUcan"
 	},
-	"version": "1.0.2",
+	"version": "1.0.3",
 	"license": "GPL-3.0-only",
 	"frameworks": "arduino",
 	"platforms": "*",

library.properties

@@ -1,5 +1,5 @@
 name=EMUcan
-version=1.0.2
+version=1.0.3
 author=Stephan M. <designer2k2@gmail.com>
 maintainer=Stephan M. <designer2k2@gmail.com>
 sentence=ECUMaster EMU CAN Stream Reader Arduino Library

src/EMUcan.cpp

@@ -42,6 +42,8 @@ void EMUcan::begin(const CAN_SPEED canSpeed, CAN_CLOCK canClock) {
 
 bool EMUcan::checkEMUcan() {
   if (mcp2515->readMessage(&canMsg) == MCP2515::ERROR_OK) {
+    //Clear RX1OVR Flag:
+    mcp2515->clearRXnOVR();
     //Check if Message is within Range of 0-7 from base:
     if ( canMsg.can_id >= _EMUbase && canMsg.can_id <= _EMUbase + 7) {
       //So messages here should be decoded!
@@ -192,3 +194,17 @@ void EMUcan::ReturnAllFrames (ReturnAllFramesFunction response) {
 void EMUcan::ReturnAllFramesStop() {
   _returnexists = false;
 }
+
+bool EMUcan::CanCheckError() {
+  return mcp2515->checkError();
+}
+
+uint8_t EMUcan::CanErrorCounter(bool RXorTX)
+{
+  if (RXorTX == false) {
+    return mcp2515->errorCountRX();
+  }
+  else {
+    return mcp2515->errorCountTX();
+  }
+}

src/EMUcan.h

@@ -26,6 +26,8 @@
 
 #include <mcp2515.h>
 
+#define EMUCAN_LIB_VERSION               (F("1.0.3"))
+
 // Available data
 struct emu_data_t {
   uint16_t RPM;  //RPM
@@ -94,7 +96,9 @@ class EMUcan {
     void begin(const CAN_SPEED canSpeed, const CAN_CLOCK canClock);
     bool checkEMUcan();
     bool sendFrame(const struct can_frame *);
-
+    bool CanCheckError();
+    uint8_t CanErrorCounter(bool RXorTX);
+
     // Data
     struct emu_data_t emu_data;