Add CAN support

Author: AdamSlowik

MyConfig.h

@@ -267,6 +267,12 @@
  */
 //#define MY_RS485
 
+/**
+ * @def MY_CAN
+ * @brief Define this to use the CAN wired transport for sensor network communication.
+ */
+//#define MY_CAN
+
 /**
  * @def MY_RS485_BAUD_RATE
  * @brief The RS485 BAUD rate.
@@ -2275,7 +2281,7 @@
 #endif
 
 // Enable sensor network "feature" if one of the transport types was enabled
-#if defined(MY_RADIO_RF24) || defined(MY_RADIO_NRF5_ESB) || defined(MY_RADIO_RFM69) || defined(MY_RADIO_RFM95) || defined(MY_RS485) || defined(MY_PJON)
+#if defined(MY_RADIO_RF24) || defined(MY_RADIO_NRF5_ESB) || defined(MY_RADIO_RFM69) || defined(MY_RADIO_RFM95) || defined(MY_RS485) || defined(MY_PJON) || defined(MY_CAN)
 #define MY_SENSOR_NETWORK
 #endif
 
@@ -2443,6 +2449,9 @@
 // PJON
 #define MY_PJON
 #define MY_DEBUG_VERBOSE_PJON
+// CAN
+//TODO add more.
+#define MY_CAN
 // RF24
 #define MY_RADIO_RF24
 #define MY_RADIO_NRF24 //deprecated

MySensors.h

@@ -290,8 +290,13 @@ MY_DEFAULT_RX_LED_PIN in your sketch instead to enable LEDs
 #else
 #define _PJONCNT 0	//!< _PJONCNT
 #endif
+#if defined(MY_CAN)
+#define __CANCNT 1	//!< __CANCNT
+#else
+#define __CANCNT 0	//!< __CANCNT
+#endif
 
-#if (__RF24CNT + __NRF5ESBCNT + __RFM69CNT + __RFM95CNT + __RS485CNT + _PJONCNT > 1)
+#if (__RF24CNT + __NRF5ESBCNT + __RFM69CNT + __RFM95CNT + __RS485CNT + _PJONCNT + __CANCNT> 1)
 #error Only one forward link driver can be activated
 #endif
 #endif //DOXYGEN
@@ -302,7 +307,7 @@ MY_DEFAULT_RX_LED_PIN in your sketch instead to enable LEDs
 #endif
 
 // TRANSPORT INCLUDES
-#if defined(MY_RADIO_RF24) || defined(MY_RADIO_NRF5_ESB) || defined(MY_RADIO_RFM69) || defined(MY_RADIO_RFM95) || defined(MY_RS485) || defined (MY_PJON)
+#if defined(MY_RADIO_RF24) || defined(MY_RADIO_NRF5_ESB) || defined(MY_RADIO_RFM69) || defined(MY_RADIO_RFM95) || defined(MY_RS485) || defined (MY_PJON) || defined(MY_CAN)
 #include "hal/transport/MyTransportHAL.h"
 #include "core/MyTransport.h"
 
@@ -389,6 +394,9 @@ MY_DEFAULT_RX_LED_PIN in your sketch instead to enable LEDs
 #elif defined(MY_PJON)
 #include "hal/transport/PJON/driver/PJON.h"
 #include "hal/transport/PJON/driver/PJONSoftwareBitBang.h"
+#elif defined(MY_CAN)
+#include "hal/transport/CAN/MyTransportCAN.cpp"
+#endif
 #if (PJON_BROADCAST == 0)
 #error "You must change PJON_BROADCAST to BROADCAST_ADDRESS (255u) and PJON_NOT_ASSIGNED to other one."
 #endif

configure

@@ -62,7 +62,7 @@ MySensors options:
                                 MQTT publish topic prefix.
     --my-mqtt-subscribe-topic-prefix=<PREFIX>
                                 MQTT subscribe topic prefix.
-    --my-transport=[none|rf24|rfm69|rfm95|rs485]
+    --my-transport=[none|rf24|rfm69|rfm95|rs485|can]
                                 Set the transport to be used to communicate with other nodes. [rf24]
     --my-rf24-channel=<0-125>   RF channel for the sensor net. [76]
     --my-rf24-pa-level=[RF24_PA_MAX|RF24_PA_HIGH|RF24_PA_LOW|RF24_PA_MIN]
@@ -637,6 +637,8 @@ elif [[ ${transport_type} == "rfm95" ]]; then
     CPPFLAGS="-DMY_RADIO_RFM95 $CPPFLAGS"
 elif [[ ${transport_type} == "rs485" ]]; then
     CPPFLAGS="-DMY_RS485 $CPPFLAGS"
+elif [[ ${transport_type} == "can" ]]; then
+    CPPFLAGS="-DMY_CAN $CPPFLAGS"
 else
     die "Invalid transport type." 3
 fi