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Merge remote-tracking branch 'origin/shm-channel-fix' into integration_2026_w05 (!3853)

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Clear memory in shm_td_iq_channel after RX

Clear memory in shm_td_iq_channel after RX. This prevents the IQ
from being read twice. This can happen if the application crashes
and will keep the other side reading historical IQ samples.
This commit is contained in:
Jaroslava Fiedlerova
2026-01-26 10:43:20 +01:00
parent 2acc8b6a08 407d175f5d
commit 7c64fe0f60
1 changed files with 3 additions and 0 deletions
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common/utils/shm_iq_channel/shm_td_iq_channel.c
+3
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@@ -208,8 +208,11 @@ IQChannelErrorType shm_td_iq_channel_rx(ShmTDIQChannel *channel,
size_t num_samples_first_copy = CIRCULAR_BUFFER_SIZE - first_sample;
memcpy(tx_iq_data, base_ptr + first_sample, num_samples_first_copy * sizeof(sample_t));
memcpy(tx_iq_data + num_samples_first_copy, base_ptr, (num_samples - num_samples_first_copy) * sizeof(sample_t));
memset(base_ptr + first_sample, 0, num_samples_first_copy * sizeof(sample_t));
memset(base_ptr, 0, (num_samples - num_samples_first_copy) * sizeof(sample_t));
} else {
memcpy(tx_iq_data, base_ptr + first_sample, num_samples * sizeof(sample_t));
memset(base_ptr + first_sample, 0, num_samples * sizeof(sample_t));
}
return CHANNEL_NO_ERROR;
}