Add function remove last bcm frame

[apps/agl-service-can-low-level.git] / low-can-binding / binding / low-can-subscription.cpp

diff --git a/low-can-binding/binding/low-can-subscription.cpp b/low-can-binding/binding/low-can-subscription.cpp
index a1187ed..bec3ad6 100644 (file)
--- a/low-can-binding/binding/low-can-subscription.cpp
+++ b/low-can-binding/binding/low-can-subscription.cpp
@@ -353,6 +353,17 @@ void low_can_subscription_t::add_one_bcm_frame(struct canfd_frame& cfd, struct b
        bcm_msg.msg_head.nframes++;
 }
 
+/// @brief Take an existing bcm_msg struct and add a can_frame.
+/// Currently only 1 uniq can_frame can be added, it's not possible to build
+/// a multiplexed message with several can_frame.
+void low_can_subscription_t::remove_last_bcm_frame(struct bcm_msg& bcm_msg)
+{
+       struct canfd_frame cf;
+       memset(&cf,0,sizeof(cf));
+       bcm_msg.fd_frames[bcm_msg.msg_head.nframes] = cf;
+       bcm_msg.msg_head.nframes--;
+}
+
 #ifdef USE_FEATURE_J1939
 int low_can_subscription_t::create_rx_filter_j1939(low_can_subscription_t &subscription, std::shared_ptr<signal_t> sig)
 {