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[Feature Request] In-band handling of cellular_comm_interface errors #118

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[Feature Request] In-band handling of cellular_comm_interface errors#118
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chinglee-iot
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enhancementNew feature or requestfeature request
@tpecar-ltek

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@tpecar-ltek
tpecar-ltek
opened on Nov 23, 2022

The cellular_comm_interface, which handles low level transfers between the modem and the cellular library, has provisions to report errors on receive / transmit (ie. caused by buffer overruns, etc.)

However, the pktio layer currently disregards this status information

FreeRTOS-Cellular-Interface/source/cellular_pktio.c

Lines 590 to 592 in 936d4f7

( void ) pContext->pCommIntf->recv( pContext->hPktioCommIntf, ( uint8_t * ) pRead,
bufferEmptyLength,
CELLULAR_COMM_IF_RECV_TIMEOUT_MS, &bytesRead );

FreeRTOS-Cellular-Interface/source/cellular_pktio.c

Lines 1290 to 1292 in 936d4f7

( void ) pContext->pCommIntf->send( pContext->hPktioCommIntf,
( const uint8_t * ) &pContext->pktioSendBuf, newCmdLen,
CELLULAR_COMM_IF_SEND_TIMEOUT_MS, &sentLen );

It would be beneficial if the errors on the low-level layer could be propagated back to the user API.

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