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| author |   Arthur Guyader <arthur.guyader@iot.bzh> | 2019-08-14 13:22:15 +0200 |
|---|---|---|
| committer | Arthur Guyader <arthur.guyader@iot.bzh> | 2019-08-30 11:46:04 +0200 |
| commit | f516a1228e83c7921a326f52e0055f69fd429fe8 (patch) | |
| tree | 4f2f22b88c9ee5b648d2a4f7ff67cf3eafd81c6c | |
| parent | ff6e251cd95827bbfdf55303af726bccd27143b1 (diff) | |
Add function remove last bcm frame
This commit creates the function remove_last_bcm_frame.
This function removes the last bcm frame of the subscription.
Bug-AGL : SPEC-2779
Change-Id: I5bb6f07a8d677c4aa882549fc1950f00a0b1da04
Signed-off-by: Arthur Guyader <arthur.guyader@iot.bzh>
| -rw-r--r-- | low-can-binding/binding/low-can-subscription.cpp | 11 | ||||
| -rw-r--r-- | low-can-binding/binding/low-can-subscription.hpp | 1 |
2 files changed, 12 insertions, 0 deletions
diff --git a/low-can-binding/binding/low-can-subscription.cpp b/low-can-binding/binding/low-can-subscription.cpp index a1187edd..bec3ad63 100644 --- 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) { diff --git a/low-can-binding/binding/low-can-subscription.hpp b/low-can-binding/binding/low-can-subscription.hpp index d0462ecb..b5d4f7aa 100644 --- a/low-can-binding/binding/low-can-subscription.hpp +++ b/low-can-binding/binding/low-can-subscription.hpp @@ -93,6 +93,7 @@ public: static struct bcm_msg make_bcm_head(uint32_t opcode, uint32_t can_id = 0, uint32_t flags = 0, const struct timeval& timeout = {0,0}, const struct timeval& frequency_thinning = {0,0}); static void add_one_bcm_frame(struct canfd_frame& cfd, struct bcm_msg& bcm_msg); + static void remove_last_bcm_frame(struct bcm_msg& bcm_msg); static int open_socket(low_can_subscription_t &subscription, const std::string& bus_name = "", socket_type type = socket_type::INVALID); |