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authorRomain Forlot <romain.forlot@iot.bzh>2017-03-06 19:16:30 +0100
committerRomain Forlot <romain.forlot@iot.bzh>2017-03-16 17:04:39 +0100
commit4fd376fac5b1d47eed3f22467ae5b5e35f1ec610 (patch)
tree4a38eb9db42c57dfb1d80f05e334a19d916c85fb /src/obd2-signals.cpp
parent7578df6fb02f05aea7fb69938f8a15a9c3e6c53a (diff)
Raw import openXC function to detect obd2 response.
Change-Id: Ieea0396979302329f5884ebef2064bdc7015a45f Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>
Diffstat (limited to 'src/obd2-signals.cpp')
-rw-r--r--src/obd2-signals.cpp39
1 files changed, 39 insertions, 0 deletions
diff --git a/src/obd2-signals.cpp b/src/obd2-signals.cpp
index 69db5e29..1a562d06 100644
--- a/src/obd2-signals.cpp
+++ b/src/obd2-signals.cpp
@@ -102,6 +102,45 @@ void shims_timer()
{
}
+bool is_obd2_response(can_message_t can_message)
+{
+ if(can_message.get_id() >= 0x7E8 && can_message.get_id() <= 0x7EF)
+ {
+ openxc_VehicleMessage message = {0};
+ message.has_type = true;
+ message.type = openxc_VehicleMessage_Type_DIAGNOSTIC;
+ message.has_diagnostic_response = true;
+ message.diagnostic_response = {0};
+ message.diagnostic_response.has_bus = true;
+ message.diagnostic_response.bus = bus->address;
+ message.diagnostic_response.has_message_id = true;
+ //7DF should respond with a random message id between 7e8 and 7ef
+ //7E0 through 7E7 should respond with a id that is 8 higher (7E0->7E8)
+ if(commandRequest->message_id == 0x7DF)
+ {
+ message.diagnostic_response.message_id = rand()%(0x7EF-0x7E8 + 1) + 0x7E8;
+ }
+ else if(commandRequest->message_id >= 0x7E0 && commandRequest->message_id <= 0x7E7)
+ {
+ message.diagnostic_response.message_id = commandRequest->message_id + 8;
+ }
+ message.diagnostic_response.has_mode = true;
+ message.diagnostic_response.mode = commandRequest->mode;
+ if(commandRequest->has_pid)
+ {
+ message.diagnostic_response.has_pid = true;
+ message.diagnostic_response.pid = commandRequest->pid;
+ }
+ message.diagnostic_response.has_value = true;
+ message.diagnostic_response.value = rand() % 100;
+ pipeline::publish(&message, &getConfiguration()->pipeline);
+ }
+ else //If it's outside the range, the command_request will return false
+ {
+ debug("Sent message ID is outside the valid range for emulator (7DF to 7E7)");
+ status=false;
+};
+
/*
* Will scan for supported Obd2 pids
*