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l2cap-ertm: calculate fcs only if used

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This commit is contained in:
Matthias Ringwald 2017-12-13 17:38:14 +01:00
parent fcb125edaf
commit b72f690607
1 changed files with 1 additions and 1 deletions
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2
src/l2cap.c
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@ -1134,7 +1134,7 @@ int l2cap_send_prepared(uint16_t local_cid, uint16_t len){
l2cap_setup_header(acl_buffer, channel->con_handle, packet_boundary_flag, channel->remote_cid, len + fcs_size); l2cap_setup_header(acl_buffer, channel->con_handle, packet_boundary_flag, channel->remote_cid, len + fcs_size);
#ifdef ENABLE_L2CAP_ENHANCED_RETRANSMISSION_MODE #ifdef ENABLE_L2CAP_ENHANCED_RETRANSMISSION_MODE
if (channel->mode == L2CAP_CHANNEL_MODE_ENHANCED_RETRANSMISSION){ if (fcs_size){
// calculate FCS over l2cap data // calculate FCS over l2cap data
uint16_t fcs = crc16_calc(acl_buffer + 4, 4 + len); uint16_t fcs = crc16_calc(acl_buffer + 4, 4 + len);
log_info("I-Frame: fcs 0x%04x", fcs); log_info("I-Frame: fcs 0x%04x", fcs);