Multifixes: class and methods, typo, comments
[apps/agl-service-can-low-level.git] / src / can-utils.hpp
index 58a9873..c6b23a2 100644 (file)
 #include <cstdio>
 #include <string>
 #include <thread>
+#include <fcntl.h>
+#include <unistd.h>
+#include <net/if.h>
+#include <sys/ioctl.h>
 #include <linux/can.h>
+#include <sys/socket.h>
+#include <json-c/json.h>
+#include <linux/can/raw.h>
 
 #include "timer.hpp"
 #include "openxc.pb.h"
 
+extern "C"
+{
+       #include <afb/afb-binding.h>
+       #include <afb/afb-service-itf.h>
+}
+
 // TODO actual max is 32 but dropped to 24 for memory considerations
 #define MAX_ACCEPTANCE_FILTERS 24
 // TODO this takes up a ton of memory
@@ -103,24 +116,26 @@ typedef struct CanMessage CanMessage;
 */
 class can_message_t {
        private:
-               const struct afb_binding_interface *interface_;
+               const struct afb_binding_interfaceinterface_;
                uint32_t id_;
                CanMessageFormat format_;
-               uint8_t data_[CAN_MESSAGE_SIZE];
+               uint8_t data_;
                uint8_t length_;
 
        public:
+               can_message_t(const struct afb_binding_interface* interface);
+
                uint32_t get_id() const;
                int get_format() const;
-               uint8_t get_data() const;
-               uint8_t get_lenght() const;
+               const uint8_t* get_data() const;
+               uint8_t get_length() const;
 
-               void set_id(uint32_t id);
-               void set_format(CanMessageFormat format);
-               void set_data(uint8_t data);
-               void set_lenght(uint8_t length);
+               void set_id(const uint32_t new_id);
+               void set_format(const CanMessageFormat format);
+               void set_data(const uint8_t new_data);
+               void set_length(const uint8_t new_length);
 
-               void convert_from_canfd_frame(canfd_frame frame);
+               void convert_from_canfd_frame(const canfd_frame& frame);
                canfd_frame convert_to_canfd_frame();
 };
 
@@ -146,13 +161,17 @@ class can_bus_dev_t {
        public:
                can_bus_dev_t(const std::string& dev_name);
 
-               int open();
+               int open(const struct afb_binding_interface* interface);
                int close();
                bool is_running();
+               void start_reading();
+               canfd_frame read(const struct afb_binding_interface *interface);
                
-               can_message_t* next_can_message();
+               can_message_t next_can_message(const struct afb_binding_interface* interface);
                void push_new_can_message(const can_message_t& can_msg);                
                bool has_can_message() const;
+
+               int send_can_message(can_message_t& can_msg, const struct afb_binding_interface* interface);
 };
 
 /** 
@@ -179,9 +198,7 @@ class can_bus_t {
                
                void start_threads();
                
-               int send_can_message(can_message_t can_msg);
-
-               openxc_VehicleMessage& next_vehicle_message();
+               openxc_VehicleMessage next_vehicle_message();
                void push_new_vehicle_message(const openxc_VehicleMessage& v_msg);
                bool has_vehicle_message() const;
 };
@@ -266,7 +283,7 @@ typedef struct CanSignal CanSignal;
  * @param[in] format - the format of the message's ID.
  * @param[in] clock - an optional frequency clock to control the output of this
  *             message, if sent raw, or simply to mark the max frequency for custom
- *             handlers to retrieve.
+ *             handlers to retriec++ if ? syntaxve.
  * @param[in] forceSendChanged - If true, regardless of the frequency, it will send CAN
  *             message if it has changed when using raw passthrough.
  * @param[in] lastValue - The last received value of the message. Defaults to undefined.
@@ -283,32 +300,6 @@ struct CanMessageDefinition {
 };
 typedef struct CanMessageDefinition CanMessageDefinition;
 
-/* Private: An entry in the list of acceptance filters for each CanBus.
- *
- * This struct is meant to be used with a LIST type from <sys/queue.h>.
- *
- * filter - the value for the CAN acceptance filter.
- * activeUserCount - The number of active consumers of this filter's messages.
- *             When 0, this filter can be removed.
- * format - the format of the ID for the filter.
-struct AcceptanceFilterListEntry {
-       uint32_t filter;
-       uint8_t activeUserCount;
-       CanMessageFormat format;
-       LIST_ENTRY(AcceptanceFilterListEntry) entries;
-};
- */
-
-/* Private: A type of list containing CAN acceptance filters.
-LIST_HEAD(AcceptanceFilterList, AcceptanceFilterListEntry);
-
-struct CanMessageDefinitionListEntry {
-       CanMessageDefinition definition;
-       LIST_ENTRY(CanMessageDefinitionListEntry) entries;
-};
-LIST_HEAD(CanMessageDefinitionList, CanMessageDefinitionListEntry);
- */
-
 /**
  * @brief A parent wrapper for a particular set of CAN messages and associated
  *     CAN buses(e.g. a vehicle or program).
@@ -377,7 +368,7 @@ typedef struct {
  * @param[in] buses - An array of all CAN buses.
  * @param[in] int busCount - The length of the buses array.
  */
-void pre_initialize(can_bus_dev_t* bus, bool writable, CanBus* buses, const int busCount);
+void pre_initialize(can_bus_dev_t* bus, bool writable, can_bus_dev_t* buses, const int busCount);
 
 /* Post-initialize actions made after CAN bus initialization and before the
  * event loop connection.
@@ -388,7 +379,7 @@ void pre_initialize(can_bus_dev_t* bus, bool writable, CanBus* buses, const int
  * buses - An array of all CAN buses.
  * busCount - The length of the buses array.
  */
-void post_initialize(can_bus_dev_t* bus, bool writable, CanBus* buses, const int busCount);
+void post_initialize(can_bus_dev_t* bus, bool writable, can_bus_dev_t* buses, const int busCount);
 
 /* Public: Check if the device is connected to an active CAN bus, i.e. it's
  * received a message in the recent past.
@@ -403,4 +394,11 @@ bool isBusActive(can_bus_dev_t* bus);
  * buses - an array of active CAN buses.
  * busCount - the length of the buses array.
  */
-void logBusStatistics(CanBus* buses, const int busCount);
+void logBusStatistics(can_bus_dev_t* buses, const int busCount);
+
+/**
+ * @brief Function representing thread activated by can bus objects
+ */
+void can_reader(can_bus_dev_t& can_bus);
+void can_decode_message(can_bus_t& can_bus);
+void can_event_push(can_bus_t& can_bus);
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