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-rw-r--r--low-can-binding/binding/low-can-cb.cpp118
-rw-r--r--low-can-binding/binding/low-can-hat.cpp2
-rw-r--r--low-can-binding/binding/low-can-hat.hpp2
3 files changed, 75 insertions, 47 deletions
diff --git a/low-can-binding/binding/low-can-cb.cpp b/low-can-binding/binding/low-can-cb.cpp
index 5910f6a..cac9fc4 100644
--- a/low-can-binding/binding/low-can-cb.cpp
+++ b/low-can-binding/binding/low-can-cb.cpp
@@ -368,17 +368,80 @@ void unsubscribe(struct afb_req request)
do_subscribe_unsubscribe(request, false);
}
-void swrite(struct afb_req request)
+static int send_frame(const std::string& bus_name, const struct can_frame& cf)
+{
+ std::map<std::string, std::shared_ptr<low_can_socket_t> >& cd = application_t::instance().get_can_devices();
+
+ if( cd.count(bus_name) == 0)
+ {cd[bus_name] = std::make_shared<low_can_socket_t>(low_can_socket_t());}
+
+ return cd[bus_name]->tx_send(cf, bus_name);
+}
+
+static int write_raw_frame(const std::string& bus_name, uint32_t can_id, uint8_t can_dlc, struct json_object* can_data)
+{
+ int rc = 0;
+ struct can_frame cf;
+
+ ::memset(&cf, 0, sizeof(cf));
+
+ cf.can_id = can_id;
+ cf.can_dlc = can_dlc;
+
+ struct json_object *x;
+ int n = json_object_array_length(can_data);
+ if(n <= 8)
+ {
+ for (int i = 0 ; i < n ; i++)
+ {
+ x = json_object_array_get_idx(can_data, i);
+ cf.data[i] = json_object_get_type(x) == json_type_int ? (uint8_t)json_object_get_int(x) : 0;
+ }
+ }
+
+ const std::string found_device = application_t::instance().get_can_bus_manager().get_can_device_name(bus_name);
+ if( ! found_device.empty())
+ {
+ rc = send_frame(found_device, cf);
+ }
+
+ return rc;
+}
+static int write_signal(const std::string& name, uint64_t value)
{
int rc = 0;
struct can_frame cf;
struct utils::signals_found sf;
+
+ ::memset(&cf, 0, sizeof(cf));
+
+ openxc_DynamicField search_key = build_DynamicField(name);
+ sf = utils::signals_manager_t::instance().find_signals(search_key);
+
+ if (sf.can_signals.empty())
+ {
+ AFB_WARNING("No signal(s) found for %s. Message not sent.", name.c_str());
+ rc = -1;
+ }
+ else
+ {
+ for(const auto& sig: sf.can_signals)
+ {
+ cf = encoder_t::build_frame(sig, value);
+ const std::string bus_name = sig->get_message()->get_bus_name();
+ rc = send_frame(bus_name, cf);
+ }
+ }
+
+ return rc;
+}
+
+void write(struct afb_req request)
+{
+ int rc = 0;
struct json_object* args = nullptr,
*json_name = nullptr,
*json_value = nullptr;
- std::map<std::string, std::shared_ptr<low_can_socket_t> >& cd = application_t::instance().get_can_devices();
-
- ::memset(&cf, 0, sizeof(cf));
args = afb_req_json(request);
@@ -395,28 +458,10 @@ void swrite(struct afb_req request)
(json_object_object_get_ex(json_value, "can_dlc", &json_can_dlc) && (json_object_is_type(json_can_dlc, json_type_double) || json_object_is_type(json_can_dlc, json_type_int))) &&
(json_object_object_get_ex(json_value, "can_data", &json_can_data) && json_object_is_type(json_can_data, json_type_array) ))
{
- cf.can_id = json_object_get_int(json_can_id);
- cf.can_dlc = (uint8_t)json_object_get_int(json_can_dlc);
-
- struct json_object *x;
- int n = json_object_array_length(json_can_data);
- if(n <= 8)
- {
- for (int i = 0 ; i < n ; i++)
- {
- x = json_object_array_get_idx(json_can_data, i);
- cf.data[i] = json_object_get_type(x) == json_type_int ? (uint8_t)json_object_get_int(x) : 0;
- }
- }
-
- const std::string bus_name = json_object_get_string(json_name);
- const std::string found_device = application_t::instance().get_can_bus_manager().get_can_device_name(bus_name);
- if( ! found_device.empty())
- {
- if( cd.count(bus_name) == 0)
- {cd[bus_name] = std::make_shared<low_can_socket_t>(low_can_socket_t());}
- rc = cd[bus_name]->tx_send(cf, found_device);
- }
+ write_raw_frame(json_object_get_string(json_name),
+ json_object_get_int(json_can_id),
+ (uint8_t)json_object_get_int(json_can_dlc),
+ json_can_data);
}
else
{
@@ -429,25 +474,8 @@ void swrite(struct afb_req request)
(json_object_object_get_ex(args, "signal_name", &json_name) && json_object_is_type(json_name, json_type_string)) &&
(json_object_object_get_ex(args, "signal_value", &json_value) && (json_object_is_type(json_value, json_type_double) || json_object_is_type(json_value, json_type_int))))
{
- openxc_DynamicField search_key = build_DynamicField(json_object_get_string(json_name));
- sf = utils::signals_manager_t::instance().find_signals(search_key);
-
- if (sf.can_signals.empty())
- {
- AFB_WARNING("No signal(s) found for id %d. Message not sent.", cf.can_id);
- rc = -1;
- }
- else
- {
- for(const auto& sig: sf.can_signals)
- {
- cf = encoder_t::build_frame(sig, (uint64_t)json_object_get_double(json_value));
- const std::string bus_name = sig->get_message()->get_bus_name();
- if( cd.count(bus_name) == 0)
- {cd[bus_name] = std::make_shared<low_can_socket_t>(low_can_socket_t());}
- rc = cd[bus_name]->tx_send(cf, sig);
- }
- }
+ write_signal(json_object_get_string(json_name),
+ (uint64_t)json_object_get_double(json_value));
}
else
{
diff --git a/low-can-binding/binding/low-can-hat.cpp b/low-can-binding/binding/low-can-hat.cpp
index 0fb7e8c..ae16f5d 100644
--- a/low-can-binding/binding/low-can-hat.cpp
+++ b/low-can-binding/binding/low-can-hat.cpp
@@ -56,7 +56,7 @@ extern "C"
{ .verb= "auth", .callback= auth, .auth= &afb_auth_perm, .info="Authentification against service to get the required level of confidence", .session= AFB_SESSION_NONE},
{ .verb= "subscribe", .callback= subscribe, .auth= NULL, .info="Let subscribe to signals", .session= AFB_SESSION_NONE},
{ .verb= "unsubscribe", .callback= unsubscribe, .auth= NULL, .info="Let unsubscribe signals", .session= AFB_SESSION_NONE},
- { .verb= "swrite", .callback= swrite, .auth= &afb_auth_loa_1, .info="Write a single CAN message on a CAN bus", .session= AFB_SESSION_LOA_1},
+ { .verb= "write", .callback= write, .auth= &afb_auth_loa_1, .info="Write a single CAN message on a CAN bus", .session= AFB_SESSION_LOA_1},
{ .verb= NULL, .callback= NULL, .auth= NULL, .info=NULL, .session= 0}
};
diff --git a/low-can-binding/binding/low-can-hat.hpp b/low-can-binding/binding/low-can-hat.hpp
index b0f29b5..eafb9c6 100644
--- a/low-can-binding/binding/low-can-hat.hpp
+++ b/low-can-binding/binding/low-can-hat.hpp
@@ -39,4 +39,4 @@ int read_message(sd_event_source *s, int fd, uint32_t revents, void *userdata);
void auth(struct afb_req request);
void subscribe(struct afb_req request);
void unsubscribe(struct afb_req request);
-void swrite(struct afb_req request);
+void write(struct afb_req request);