Merge pull request #39 from CREATE-ROCKET/MCP2562FD

Add:MCP2562FD

MCP2562FD 1.0.0/src/CAN.cpp

@@ -0,0 +1,36 @@
+// CAN CREATE Library
+
+#include "CAN.h"
+
+//----------------------------
+// return 0:ACK ERROR
+//----------------------------
+int CAN_CREATE::sendPacket(int id, char data) {
+    // set data
+    beginPacket(id);
+    write(data);
+    // send data
+    return endPacket();
+}
+int CAN_CREATE::sendBytes(int id, uint8_t* tx, size_t size) {
+    beginPacket(id);
+    write(tx, size);
+    return endPacket();
+}
+
+int CAN_CREATE::available() {
+    int packetSize = parsePacket();  // Datafield value (DLC)
+    if (packetRtr()) {  // RTR 0:data 1:remote
+        return 0;
+    }
+    return CANControllerClass::available();  //  number of bytes available for
+                                             //  reading
+}
+
+int CAN_CREATE::read(long* pID) {
+    if (!CANControllerClass::available()) {
+        return -1;
+    }
+    *pID = packetId();
+    return _rxData[_rxIndex++];
+}

MCP2562FD 1.0.0/src/CAN.h

@@ -0,0 +1,18 @@
+// Copyright (c) Sandeep Mistry. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full
+// license information.
+
+#ifndef CAN_H
+#define CAN_H
+
+#include "ESP32SJA1000.h"
+
+class CAN_CREATE : public ESP32SJA1000Class {
+   public:
+    int sendPacket(int id, char data);  // send data
+    int available();                    // receive data
+    int read(long* pID);
+    int sendBytes(int id, uint8_t* tx, size_t size);
+};
+
+#endif

MCP2562FD 1.0.0/src/CANController.cpp

@@ -0,0 +1,216 @@
+// Copyright (c) Sandeep Mistry. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+#include "CANController.h"
+
+CANControllerClass::CANControllerClass() :
+  _onReceive(NULL),
+
+  _packetBegun(false),
+  _txId(-1),
+  _txExtended(-1),
+  _txRtr(false),
+  _txDlc(0),
+  _txLength(0),
+
+  _rxId(-1),
+  _rxExtended(false),
+  _rxRtr(false),
+  _rxDlc(0),
+  _rxLength(0),
+  _rxIndex(0)
+{
+  // overide Stream timeout value
+  setTimeout(0);
+}
+
+CANControllerClass::~CANControllerClass()
+{
+}
+
+int CANControllerClass::begin(long /*baudRate*/)
+{
+  _packetBegun = false;
+  _txId = -1;
+  _txRtr =false;
+  _txDlc = 0;
+  _txLength = 0;
+
+  _rxId = -1;
+  _rxRtr = false;
+  _rxDlc = 0;
+  _rxLength = 0;
+  _rxIndex = 0;
+
+  return 1;
+}
+
+void CANControllerClass::end()
+{
+}
+
+int CANControllerClass::beginPacket(int id, int dlc, bool rtr)
+{
+  if (id < 0 || id > 0x7FF) {
+    return 0;
+  }
+
+  if (dlc > 8) {
+    return 0;
+  }
+
+  _packetBegun = true;
+  _txId = id;
+  _txExtended = false;
+  _txRtr = rtr;
+  _txDlc = dlc;
+  _txLength = 0;
+
+  memset(_txData, 0x00, sizeof(_txData));
+
+  return 1;
+}
+
+int CANControllerClass::beginExtendedPacket(long id, int dlc, bool rtr)
+{
+  if (id < 0 || id > 0x1FFFFFFF) {
+    return 0;
+  }
+
+  if (dlc > 8) {
+    return 0;
+  }
+
+  _packetBegun = true;
+  _txId = id;
+  _txExtended = true;
+  _txRtr = rtr;
+  _txDlc = dlc;
+  _txLength = 0;
+
+  memset(_txData, 0x00, sizeof(_txData));
+
+  return 1;
+}
+
+int CANControllerClass::endPacket()
+{
+  if (!_packetBegun) {
+    return 0;
+  }
+  _packetBegun = false;
+
+  if (_txDlc >= 0) {
+    _txLength = _txDlc;
+  }
+
+  return 1;
+}
+
+int CANControllerClass::parsePacket()
+{
+  return 0;
+}
+
+long CANControllerClass::packetId()
+{
+  return _rxId;
+}
+
+bool CANControllerClass::packetExtended()
+{
+  return _rxExtended;
+}
+
+bool CANControllerClass::packetRtr()
+{
+  return _rxRtr;
+}
+
+int CANControllerClass::packetDlc()
+{
+  return _rxDlc;
+}
+
+size_t CANControllerClass::write(uint8_t byte)
+{
+  return write(&byte, sizeof(byte));
+}
+
+size_t CANControllerClass::write(const uint8_t *buffer, size_t size)
+{
+  if (!_packetBegun) {
+    return 0;
+  }
+
+  if (size > (sizeof(_txData) - _txLength)) {
+    size = sizeof(_txData) - _txLength;
+  }
+
+  memcpy(&_txData[_txLength], buffer, size);
+  _txLength += size;
+
+  return size;
+}
+
+int CANControllerClass::available()
+{
+  return (_rxLength - _rxIndex);
+}
+
+int CANControllerClass::read()
+{
+  if (!available()) {
+    return -1;
+  }
+
+  return _rxData[_rxIndex++];
+}
+
+int CANControllerClass::peek()
+{
+  if (!available()) {
+    return -1;
+  }
+
+  return _rxData[_rxIndex];
+}
+
+void CANControllerClass::flush()
+{
+}
+
+void CANControllerClass::onReceive(void(*callback)(int))
+{
+  _onReceive = callback;
+}
+
+int CANControllerClass::filter(int /*id*/, int /*mask*/)
+{
+  return 0;
+}
+
+int CANControllerClass::filterExtended(long /*id*/, long /*mask*/)
+{
+  return 0;
+}
+
+int CANControllerClass::observe()
+{
+  return 0;
+}
+
+int CANControllerClass::loopback()
+{
+  return 0;
+}
+
+int CANControllerClass::sleep()
+{
+  return 0;
+}
+
+int CANControllerClass::wakeup()
+{
+  return 0;
+}

MCP2562FD 1.0.0/src/CANController.h

@@ -0,0 +1,71 @@
+// Copyright (c) Sandeep Mistry. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+#ifndef CAN_CONTROLLER_H
+#define CAN_CONTROLLER_H
+
+#include <Arduino.h>
+
+class CANControllerClass : public Stream {
+
+public:
+  virtual int begin(long baudRate);
+  virtual void end();
+
+  int beginPacket(int id, int dlc = -1, bool rtr = false);
+  int beginExtendedPacket(long id, int dlc = -1, bool rtr = false);
+  virtual int endPacket();
+
+  virtual int parsePacket();
+  long packetId();
+  bool packetExtended();
+  bool packetRtr();
+  int packetDlc();
+
+  // from Print
+  virtual size_t write(uint8_t byte);
+  virtual size_t write(const uint8_t *buffer, size_t size);
+
+  // from Stream
+  virtual int available();
+  virtual int read();
+  virtual int peek();
+  virtual void flush();
+
+  virtual void onReceive(void(*callback)(int));
+
+  virtual int filter(int id) { return filter(id, 0x7ff); }
+  virtual int filter(int id, int mask);
+  virtual int filterExtended(long id) { return filterExtended(id, 0x1fffffff); }
+  virtual int filterExtended(long id, long mask);
+
+  virtual int observe();
+  virtual int loopback();
+  virtual int sleep();
+  virtual int wakeup();
+
+protected:
+  CANControllerClass();
+  virtual ~CANControllerClass();
+
+protected:
+  void (*_onReceive)(int);
+
+  bool _packetBegun;
+  long _txId;
+  bool _txExtended;
+  bool _txRtr;
+  int _txDlc;
+  int _txLength;
+  uint8_t _txData[8];
+
+  long _rxId;
+  bool _rxExtended;
+  bool _rxRtr;
+  int _rxDlc;
+  int _rxLength;
+  int _rxIndex;
+  uint8_t _rxData[8];
+};
+
+#endif