summaryrefslogtreecommitdiffstats
path: root/low-can-binding/binding
diff options
context:
space:
mode:
authorRomain Forlot <romain.forlot@iot.bzh>2019-11-26 16:18:36 +0100
committerRomain Forlot <romain.forlot@iot.bzh>2019-11-28 16:11:46 +0100
commit68d8bc019fab3e73654a330baf6b8dd7c11859ca (patch)
treee2a01ddfb0d640e1237ccae06e7be5e922cb237b /low-can-binding/binding
parent006598ee46a227f52bcac7be172cd45a8a364aff (diff)
Add feature to build messages and fix some functions
Allows to build a message (J1939,BCM) with a signal and a value. Bug-AGL: SPEC-2386 Bug-AGL: SPEC-2976 Signed-off-by: Arthur Guyader <arthur.guyader@iot.bzh> Change-Id: Iadca13a927ff83f713f39da441c88356695a1285 Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>
Diffstat (limited to 'low-can-binding/binding')
-rw-r--r--low-can-binding/binding/low-can-cb.cpp163
-rw-r--r--low-can-binding/binding/low-can-subscription.cpp27
-rw-r--r--low-can-binding/binding/low-can-subscription.hpp2
3 files changed, 149 insertions, 43 deletions
diff --git a/low-can-binding/binding/low-can-cb.cpp b/low-can-binding/binding/low-can-cb.cpp
index dbeaa555..9c21b675 100644
--- a/low-can-binding/binding/low-can-cb.cpp
+++ b/low-can-binding/binding/low-can-cb.cpp
@@ -197,7 +197,10 @@ static int subscribe_unsubscribe_diagnostic_messages(afb_req_t request,
event_filter.frequency = event_filter.frequency == 0 ? sig->get_frequency() : event_filter.frequency;
std::shared_ptr<low_can_subscription_t> can_subscription;
- auto it = std::find_if(s.begin(), s.end(), [&sig](std::pair<int, std::shared_ptr<low_can_subscription_t> > sub){ return (! sub.second->get_diagnostic_message().empty());});
+ auto it = std::find_if(s.begin(), s.end(), [&sig](std::pair<int, std::shared_ptr<low_can_subscription_t> > sub)
+ {
+ return (! sub.second->get_diagnostic_message().empty());
+ });
can_subscription = it != s.end() ?
it->second :
std::make_shared<low_can_subscription_t>(low_can_subscription_t(event_filter));
@@ -250,7 +253,10 @@ static int subscribe_unsubscribe_signals(afb_req_t request,
int rets = 0;
for(const auto& sig: signals)
{
- auto it = std::find_if(s.begin(), s.end(), [&sig, &event_filter](std::pair<int, std::shared_ptr<low_can_subscription_t> > sub){ return sub.second->is_signal_subscription_corresponding(sig, event_filter) ; });
+ auto it = std::find_if(s.begin(), s.end(), [&sig, &event_filter](std::pair<int, std::shared_ptr<low_can_subscription_t> > sub)
+ {
+ return sub.second->is_signal_subscription_corresponding(sig, event_filter) ;
+ });
std::shared_ptr<low_can_subscription_t> can_subscription;
if(it != s.end())
{can_subscription = it->second;}
@@ -374,14 +380,14 @@ static int process_one_subscribe_args(afb_req_t request, bool subscribe, json_ob
// 2 cases : ID(PGN) and event
- json_bool test_event = json_object_object_get_ex(args,"event",&event);
+ json_object_object_get_ex(args,"event",&event);
json_bool test_id = json_object_object_get_ex(args,"id",&id);
if(!test_id)
{
- json_object_object_get_ex(args,"pgn",&id);
+ test_id = json_object_object_get_ex(args,"pgn",&id);
}
- if( args == NULL || (!test_event && !id))
+ if( args == NULL || (id && ((std::string)json_object_get_string(id)).compare("*") == 0))
{
rc = one_subscribe_unsubscribe_events(request, subscribe, "*", args);
}
@@ -467,55 +473,122 @@ void unsubscribe(afb_req_t request)
do_subscribe_unsubscribe(request, false);
}
-static int send_frame(struct canfd_frame& cfd, const std::string& bus_name)
+/*
+static int send_frame(struct canfd_frame& cfd, const std::string& bus_name, socket_type type)
{
- if(bus_name.empty()) {
+ if(bus_name.empty())
+ {
return -1;
}
std::map<std::string, std::shared_ptr<low_can_subscription_t> >& cd = application_t::instance().get_can_devices();
if( cd.count(bus_name) == 0)
- {cd[bus_name] = std::make_shared<low_can_subscription_t>(low_can_subscription_t());}
+ {
+ cd[bus_name] = std::make_shared<low_can_subscription_t>(low_can_subscription_t());
+ }
- return low_can_subscription_t::tx_send(*cd[bus_name], cfd, bus_name);
-}
-static void write_raw_frame(afb_req_t request, const std::string& bus_name, json_object *json_value)
+ if(type == socket_type::BCM)
+ {
+ return low_can_subscription_t::tx_send(*cd[bus_name], cfd, bus_name);
+ }
+ else{
+ return -1;
+ }
+}
+*/
+static int send_message(message_t *message, const std::string& bus_name, socket_type type)
{
- struct canfd_frame cfd;
- struct json_object *can_data = nullptr;
+ if(bus_name.empty())
+ {
+ return -1;
+ }
- ::memset(&cfd, 0, sizeof(cfd));
+ std::map<std::string, std::shared_ptr<low_can_subscription_t> >& cd = application_t::instance().get_can_devices();
- if(wrap_json_unpack(json_value, "{si, si, so !}",
- "can_id", &cfd.can_id,
- "can_dlc", &cfd.len,
- "can_data", &can_data))
+ if( cd.count(bus_name) == 0)
{
- afb_req_fail(request, "Invalid", "Frame object malformed");
- return;
+ cd[bus_name] = std::make_shared<low_can_subscription_t>(low_can_subscription_t());
+ }
+
+
+ if(type == socket_type::BCM)
+ {
+ return low_can_subscription_t::tx_send(*cd[bus_name], message, bus_name);
+ }
+ else
+ {
+ return -1;
}
+}
+
- if(cfd.len <= 8 && cfd.len > 0)
+static void write_raw_frame(afb_req_t request, const std::string& bus_name, message_t *message, struct json_object *can_data, socket_type type)
+{
+ if((message->get_length() <= 8 && message->get_length() > 0 && type == socket_type::BCM)
+#ifdef USE_FEATURE_J1939
+ || (message->get_length() < J1939_MAX_DLEN && type == socket_type::J1939)
+#endif
+ )
{
- for (int i = 0 ; i < cfd.len ; i++)
+
+ std::vector<uint8_t> data;
+ for (int i = 0 ; i < message->get_length() ; i++)
{
struct json_object *one_can_data = json_object_array_get_idx(can_data, i);
- cfd.data[i] = (json_object_is_type(one_can_data, json_type_int)) ?
- (uint8_t)json_object_get_int(one_can_data) : 0;
+ data.push_back((json_object_is_type(one_can_data, json_type_int)) ?
+ (uint8_t)json_object_get_int(one_can_data) : 0);
}
+ message->set_data(data);
}
else
{
- afb_req_fail(request, "Invalid", "Data array must hold 1 to 8 values.");
+ if(type == socket_type::BCM)
+ {
+ afb_req_fail(request, "Invalid", "Data array must hold 1 to 8 values.");
+ }
+ else
+ {
+ afb_req_fail(request, "Invalid", "Invalid socket type");
+ }
return;
}
- if(! send_frame(cfd, application_t::instance().get_can_bus_manager().get_can_device_name(bus_name)))
+ if(! send_message(message, application_t::instance().get_can_bus_manager().get_can_device_name(bus_name),type))
+ {
afb_req_success(request, nullptr, "Message correctly sent");
+ }
else
+ {
afb_req_fail(request, "Error", "sending the message. See the log for more details.");
+ }
+}
+
+static void write_frame(afb_req_t request, const std::string& bus_name, json_object *json_value)
+{
+ message_t *message;
+ int id;
+ int length;
+ struct json_object *can_data = nullptr;
+ std::vector<uint8_t> data;
+
+ AFB_DEBUG("JSON content %s",json_object_get_string(json_value));
+
+ if(!wrap_json_unpack(json_value, "{si, si, so !}",
+ "can_id", &id,
+ "can_dlc", &length,
+ "can_data", &can_data))
+ {
+ message = new can_message_t(CANFD_MAX_DLEN,(uint32_t)id,(uint32_t)length,message_format_t::STANDARD,false,0,data,0);
+ write_raw_frame(request,bus_name,message,can_data,socket_type::BCM);
+ }
+ else
+ {
+ afb_req_fail(request, "Invalid", "Frame object malformed");
+ return;
+ }
+ delete message;
}
static void write_signal(afb_req_t request, const std::string& name, json_object *json_value)
@@ -548,11 +621,39 @@ static void write_signal(afb_req_t request, const std::string& name, json_object
encoder(*sig, dynafield_value, &send) :
encoder_t::encode_DynamicField(*sig, dynafield_value, &send);
- cfd = encoder_t::build_frame(sig, value);
- if(! send_frame(cfd, sig->get_message()->get_bus_device_name()) && send)
+ socket_type type = socket_type::INVALID;
+
+ if(sig->get_message()->is_j1939())
+ {
+ type = socket_type::J1939;
+ }
+ else
+ {
+ type = socket_type::BCM;
+ }
+
+// cfd = encoder_t::build_frame(sig, value);
+ message_t *message = encoder_t::build_message(sig,value);
+
+ if(! send_message(message, sig->get_message()->get_bus_device_name(), type) && send)
+ {
afb_req_success(request, nullptr, "Message correctly sent");
+ }
else
+ {
afb_req_fail(request, "Error", "Sending the message. See the log for more details.");
+ }
+
+ if(sig->get_message()->is_j1939())
+ {
+#ifdef USE_FEATURE_J1939
+ delete (j1939_message_t*) message;
+#endif
+ }
+ else
+ {
+ delete (can_message_t*) message;
+ }
}
void write(afb_req_t request)
@@ -566,7 +667,7 @@ void write(afb_req_t request)
if (args != NULL && ! wrap_json_unpack(args, "{ss, so !}",
"bus_name", &name,
"frame", &json_value))
- write_raw_frame(request, name, json_value);
+ write_frame(request, name, json_value);
// Search signal then encode value.
else if(args != NULL &&
@@ -683,9 +784,13 @@ void list(afb_req_t request)
rc = -1;
if (rc >= 0)
+ {
afb_req_success(request, ans, NULL);
+ }
else
+ {
afb_req_fail(request, "error", NULL);
+ }
}
/// @brief Initialize the binding.
diff --git a/low-can-binding/binding/low-can-subscription.cpp b/low-can-binding/binding/low-can-subscription.cpp
index c2f31a03..b31fe48e 100644
--- a/low-can-binding/binding/low-can-subscription.cpp
+++ b/low-can-binding/binding/low-can-subscription.cpp
@@ -427,9 +427,9 @@ int low_can_subscription_t::create_rx_filter_bcm(low_can_subscription_t &subscri
// If it's not an OBD2 CAN ID then just add a simple RX_SETUP job
// else monitor all standard 8 CAN OBD2 ID response.
- std::shared_ptr<can_message_t> msg = std::make_shared<can_message_t>();
+ can_message_t msg = can_message_t();
- msg->set_bcm_msg(bcm_msg);
+ msg.set_bcm_msg(bcm_msg);
if(bcm_msg.msg_head.can_id != OBD2_FUNCTIONAL_BROADCAST_ID)
{
@@ -442,7 +442,7 @@ int low_can_subscription_t::create_rx_filter_bcm(low_can_subscription_t &subscri
for(uint8_t i = 0; i < 8; i++)
{
bcm_msg.msg_head.can_id = OBD2_FUNCTIONAL_RESPONSE_START + i;
- msg->set_bcm_msg(bcm_msg);
+ msg.set_bcm_msg(bcm_msg);
subscription.socket_->write_message(msg);
if(! subscription.socket_)
return -1;
@@ -455,22 +455,23 @@ int low_can_subscription_t::create_rx_filter_bcm(low_can_subscription_t &subscri
/// send a message
///
/// @return 0 if ok else -1
-int low_can_subscription_t::tx_send(low_can_subscription_t &subscription, struct canfd_frame& cfd, const std::string& bus_name)
+int low_can_subscription_t::tx_send(low_can_subscription_t &subscription, message_t *message, const std::string& bus_name)
{
- struct bcm_msg bcm_msg = subscription.make_bcm_head(TX_SEND, cfd.can_id);
+ can_message_t *cm = static_cast<can_message_t*>(message);
+
+ struct bcm_msg bcm_msg = subscription.make_bcm_head(TX_SEND, cm->get_id(),cm->get_flags());
+ canfd_frame cfd = cm->convert_to_canfd_frame();
subscription.add_one_bcm_frame(cfd, bcm_msg);
if(subscription.open_socket(subscription, bus_name) < 0)
{return -1;}
-
- std::shared_ptr<can_message_t> msg = std::make_shared<can_message_t>();
-
- msg->set_bcm_msg(bcm_msg);
-
- subscription.socket_->write_message(msg);
+ cm->set_bcm_msg(bcm_msg);
+ subscription.socket_->write_message(*cm);
if(! subscription.socket_.get())
- return -1;
+ {
+ return -1;
+ }
return 0;
-}
+} \ No newline at end of file
diff --git a/low-can-binding/binding/low-can-subscription.hpp b/low-can-binding/binding/low-can-subscription.hpp
index 61c354d1..5ea1cf17 100644
--- a/low-can-binding/binding/low-can-subscription.hpp
+++ b/low-can-binding/binding/low-can-subscription.hpp
@@ -101,5 +101,5 @@ public:
static int create_rx_filter_j1939(low_can_subscription_t &subscription, std::shared_ptr<signal_t> sig);
static int create_rx_filter_bcm(low_can_subscription_t &subscription, bcm_msg& bcm_msg);
- static int tx_send(low_can_subscription_t &subscription, struct canfd_frame& cfd, const std::string& bus_name);
+ static int tx_send(low_can_subscription_t &subscription, message_t *message, const std::string& bus_name);
};