[LBM v4.8.0] Patch to fix Class B not working

[lbm-team]

From: lbm-team <[email protected]>
Date: Thu, 27 Mar 2025 18:23:15 +0100
Subject: [PATCH] Fixed class B rx_payload_size which was mistakenly removed

---
 .../lr1mac/src/lr1mac_class_b/smtc_ping_slot.c               | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lbm_lib/smtc_modem_core/lr1mac/src/lr1mac_class_b/smtc_ping_slot.c b/lbm_lib/smtc_modem_core/lr1mac/src/lr1mac_class_b/smtc_ping_slot.c

--- a/lbm_lib/smtc_modem_core/lr1mac/src/lr1mac_class_b/smtc_ping_slot.c
+++ b/lbm_lib/smtc_modem_core/lr1mac/src/lr1mac_class_b/smtc_ping_slot.c
@@ -523,8 +523,9 @@ void smtc_ping_slot_mac_rp_callback( smtc_ping_slot_t* ping_slot_obj )
         {
             ping_slot_obj->last_toa = 0;
 
-            // save rssi and snr
             RX_DOWN_DATA.rx_metadata.timestamp_ms = tcurrent_ms;
+
+            // save rssi and snr
             if( ping_slot_obj->rp->radio_params[from_hook_id].pkt_type == RAL_PKT_TYPE_LORA )
             {
                 RX_DOWN_DATA.rx_metadata.rx_snr =
@@ -543,6 +544,8 @@ void smtc_ping_slot_mac_rp_callback( smtc_ping_slot_t* ping_slot_obj )
                 SMTC_MODEM_HAL_PANIC( );
             }
 
+            RX_DOWN_DATA.rx_payload_size = ( uint8_t ) ping_slot_obj->rp->rx_payload_size[from_hook_id];
+
             SMTC_MODEM_HAL_TRACE_PRINTF_DEBUG( "payload size receive = %u, snr = %u , rssi = %u\n",
                                                RX_DOWN_DATA.rx_payload_size, RX_DOWN_DATA.rx_metadata.rx_snr,
                                                RX_DOWN_DATA.rx_metadata.rx_rssi );
-- 
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