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/*
* Copyright (C) 2015, 2016 "IoT.bzh"
* Author "Romain Forlot" <romain.forlot@iot.bzh>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* Interface between the daemon and the binding
*/
static const struct afb_binding_interface *interface;
/*
* the type of position expected
*
* here, this type is the selection of protocol
*/
enum type {
type_OBDII,
type_CAN,
type_DEFAULT = type_CAN,
type_INVALID = -1
};
#define type_size sizeof(enum type)-2
/*
* names of the types
*/
static const char * const type_NAMES[type_size] = {
"OBDII",
"CAN"
};
/* CAN variable initialization */
struct canfd_frame canfd_frame;
struct can_handler {
int socket;
char *device;
bool is_fdmode_on;
struct sockaddr_can txAddress;
};
/*
* each generated event
*/
typedef struct _event event;
struct _event {
event *next; /* link for the next event */
const char *name; /* name of the event */
struct afb_event afb_event; /* the event for the binder */
openxc_CanMessage can_message; /* value for the can_message */
};
/*
* each can event, will browse by the id
*/
typedef struct _can_event can_event;
struct _can_event {
can_event *next; /* Link to the next other can message */
event *events; /* events for the can message */
uint32_t id; /* id of the event for unsubscribe */
enum type type; /* the type of data expected */
};
can_event *can_events_list;
/* TODO : Add help comments :p */
static int connect_to_event_loop();
// Initialize default can_handler values
static struct can_handler can_handler = {
.socket = -1,
.device = "vcan0",
.is_fdmode_on = false,
};
static void send_event();
static int retry( int(*func)());
static int parse_can_frame(openxc_CanMessage *can_message, struct canfd_frame *canfd_frame, int maxdlen);
#ifdef openxc_CanMessage_init_default
#undef openxc_CanMessage_init_default
#endif
openxc_CanMessage openxc_CanMessage_init_default = {.has_bus = false, .bus = 0, .has_id = false, .id = 0, .has_data = false, .data = {0, {0}}, .has_frame_format = false, .frame_format = (openxc_CanMessage_FrameFormat)0};
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